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Series 100 Voltmeters

Many applications require the measurement of electrostatic charge or voltage on surfaces that are either stationary or in motion. The Model 105 Electrostatic Voltmeter is designed to meet this requirement. For additional information on similar equipment please refer to the Series 600 section covering Static Level Monitoring Systems.

Model 105 Electrostatic Voltmeter

Description-The Model 105 Electrostatic Voltmeter is a precision non-contacting instrument that measures the magnitude and polarity of the electrostatic fields produced by charged objects. The accuracy and versatility of the Model 105 makes it invaluable in laboratory, industrial or manufacturing environments for measuring and monitoring electrostatic charge build-up. The unit has three user selectable ranges; 0 to 500V, 0 to 5kV and 0 to 50kV.

Model 111 Electrostatic Measurement System

Description-The Model 111 Electrostatic Measurement System incorporates the Model 105 Electrostatic Voltmeter, Model 106 Electrostatic Reference Test Unit, Model 207 20pf Charge Plate Assembly and Hand Probe in a carrying case. The Model 111 provides a complete system for performing ionizer balance, ionizer decay, static propensity, static dissipation and voltage suppression tests.

Series 200 Static Meters

Static meters are ideal instruments for measuring electrostatic potentials commonly encountered in development, manufacturing and end-user applications. They are excellent instruments for detecting and accurately measuring static electricity found in the manufacture and handling of electronic, paper, plastic, textile, food, chemical, medical and pharmaceutical products. In addition, these meters are invaluable instruments for use in computer rooms, clean rooms, hazardous locations, hospitals and those locations where the measurement of electrostatic fields are required. ETS Series 200 Static Meters are precision, hand-held instruments that measure the magnitude and polarity of electrostatic fields produced by charged objects, the movement of personnel and equipment and the interaction between material and machinery. Chopper stabilized models enable measurements to be performed in ionized environments.

Model 201 Static Meter

Description-The Model 201 Static Meter is a low cost, easy-to-use instrument that incorporates the latest in integrated circuit technology to locate and measure electrostatic fields. A 2-position switch selects either the 500 or the 5000 Volt range at a Meter-To-Object spacing of 2 inches. Depressing the OPERATE button turns the Meter on and lights the LED corresponding to the selected range. The Model 201 features a recessed, tri-color scale analog meter with 10 division to provide an easy-to-read, accurate readout of the measured electrostatic field. The meter is powered by a standard 9-volt battery and incorporates a low battery detection circuit that inhibits the measurement when the minimum operating voltage is reached. A 10 foot grounded cable with plug-in alligator clip is included.

Model 210 Static Meter

Description- The Model 210 Static Meter is a rugged, precision instrument that features a unique 14 element, 4-color LED display to indicate the magnitude, polarity and range of the measured electrostatic field plus BAT LO indication. The 10 segment bargraph incorporates a 4 color array to indicate the magnitude with 50 or 500 Volt resolution and overscale by flashing of the display. Red and Green LED’s indicate positive and negative polarity. The fast response, high visibility of the Model 210 display makes the instrument ideal for measuring in limited access areas and for use in electrostatic demonstrations. A 3 position switch with center off is used to both turn the Meter on and to select either the 500 volt, or the 5,000 Volt range which is indicated by an amber LED. The Meter is calibrated for a Meter-to-object spacing of 2 inches. The Model 210 is powered by a standard 9-volt alkaline battery and incorporates an LED BAT LO indicator. A standard banana jack is provided along with a 3-foot cord with plug-in alligator clip for grounding.

Model 212 Static Meter

Description- The Model 212 Digital Static Meter is a lightweight, precision static meter that features a chopper stabilized sensor for long-term, accurate measurements in both normal and ionized environments; liquid crystal display and a recorder output jack. The measurement range is from 0 to 20 kV at a Meter-to-object distance of 1 inch. A 3 -digit LCD meter provides 10 Volt resolution, polarity indication and low battery warning. The Meter utilizes LED ranging lights for increased measurement accuracy. A locking push button MEASURE/HOLD switch enables the user to take a measurement and then hold the reading, a very useful feature when performing electrostatic experiments. A momentary switch version is also available. A user adjustable zero control increases the instrument’s versatility. The Model 212 is housed in a compact, conductive case and incorporates a " male snap that accepts most wrist strap cords for grounding. A 10-foot cord with removable alligator clip plus a vinyl carrying case are included. An optional molded cord assembly with flying leads is available for connecting the meter to a strip chart recorder, oscilloscope or external display having a full scale sensitivity of at least 200mV powered by a standard 9-volt battery.

Model 215A Portable Electrostatic Measurement System

Description-This system, housed in a sturdy molded polystyrene carrying case, includes the Model 212 Static Meter, Model 208A Dual Voltage Charging Source, 6"x 6" Detector Plate plus tripod and ground buss. The Model 215A offers the user a low cost, portable system for performing ionizer balance, static propensity, E-Field attenuation, personnel voltage, and voltage suppression (optional probe required). It may also be used for calibration measurements. Static dissipation and ionizer decay tests can be performed with the addition of an external timing device such as a stopwatch, oscilloscope or strip chart recorder.

Static Meter Accessories

Model 205A Charge Plate Detector

Description-The Model 205A snaps on to the front end of the Model 201 and 210 Static Meters. The 205A expands the capabilities of the fieldmeter allowing the user to easily check ionizer balance and voltage on personnel.

Model 205C 20pf Charge Plate Detector

Description-The Model 205C is designed for use with the Model 212 Digital Static Meter. The unit incorporates the required capacitance to perform ionizer checks in accordance with ESD Association and other standards. Use the 205C to perform ionizer balance and decay and voltage on personnel measurements.

Model 206 Charge Plate Assembly

Description-The Model 206 is a 3-inch square charge plate assembly with a capacitance of 20 pf. The unit is designed for use with ETS and other fieldmeters. The Model 206 can be used to perform a wide variety of ESD tests including triboelectric charge generation testing and ionizer decay.

Model 207 Charge Plate Assembly

Description-The Model 207 is a 6-inch square charge plate assembly that meets all the requirements of ESD Association Test Method S2.1 for calibration of Ionization equipment. The Model 207 may also be used to perform a wide variety of ESD tests.

Model 208A Dual Voltage Charging Source

Description-The Model 208A is a portable power supply with user selectable outputs of 500 and 1000 volts with an accuracy of 2%. Use the Model 208 for laboratory or field analysis of ESD materials or check the accuracy of static meters and ionizers.


Series 250 Ground Strap Testers

The potential for damage caused by a static charge build-up on personnel involved in the handling of sensitive semiconductor devices or flammable material has been clearly established. Grounding wrist straps, heel straps and footwear are the most commonly used protective devices which prevent the build-up of electrostatic charge on personnel. The random failure of a ground strap or ground connection compromises the protection it provides and can also create a potentially lethal shock hazard. The ETS Series 250 Ground Strap Testers are precision instruments that check the specified resistance limits of all types of wrist straps and similar personnel grounding devices plus instruments to measure resistance to ground of the groundable point.

Model 250 Wrist Strap Tester

Description-The Model 250 is a battery powered, lightweight, low cost instrument that can be placed on the workbench or carried by supervisory personnel to quickly and efficiently check the STRAP & WEARER or STRAP ONLY. Visual and audible indicators clearly indicate pass/fail status and battery low circuitry assures accurate measurement and reliable performance.

Model 252C Wrist, Heel & Footwear Tester

Description-The Model 252C is an AC powered, wall mounted unit designed to check wrist straps, heel straps and footwear in accordance with industry specifications. The system included a ground plate and cable and can be supplied with battery back up

Model 253A Wrist Strap Tester (Military Version)

Description-Designed for military applications, the Model 253 is a wall mount, AC powered system that performs testing of both ESD and Ordinance ground straps.

Model 255 Resistance-to-Ground Tester

Description-The Model 255 verifies that the bonding to ground is less than 1W or 2W depending on the range selected. This hand-held, portable unit allows the user to make fast, accurate checks of AC outlets and point-to-ground connections on ESD workstations and other items.

Model 256 Utility Wiring Verifier

Description-The Model 256 is designed to provide a fast, accurate check of a standard (US) AC outlet and indicate line wiring status. The unit also incorporates a standard banana jack to allow easy access to a ground point. The Model 256 is ideal for all auditors and should be a part of all static control audit kits.

Model 257 Air Velocity Meter

Description-The Model 257 is designed for use with the ETS Series 2000 Audit Kits but can also be purchased separately and used to verify ionizer flow rate in feet per seconds, knots and meters per second.

Model 269A Work Station Monitor Calibration Check System for 3M 720 &722

Description- The ETS Model 269A Work Station Monitor Calibration Check System is designed to both test the operation and check the calibration of the 3M Model 720 and Model 722 Continuous Work Station Monitors. Designed in accordance with 3M’s requirements, the Calibration Check Unit utilizes precision 0.1 and 0.5 percent tolerance resistors to test all audio/visual indicators for both wrist strap and work mat monitoring functions. The Model 269A is housed in an ABS plastic enclosure, measuring 6.5"x 2.75"x 1.125" and weighs just 6.5 ounces. It comes complete with interconnect cables, connectors and Certificate of Calibration traceable to NIST. The calibration check menu is incorporated into the front panel overlay.


Series 400

Model 406D Static Decay Meter

Description- Materials used in static sensitive applications such as electronic component handling and packaging, clean rooms, hospitals and hazardous locations must dissipate static charges in a rapid and safe manner. The Model 406D Static Decay Meter meets the test requirements for static charge dissipation testing as required by the applicable DOD, NFPA and EIA test specifications. A wide variety of electrode configurations enable

the static dissipative characteristics of IC carriers, tote boxes, garments, tabletop and flooring material, storage systems, etc. to be evaluated. The system may be used in both development and quality control applications to test any material where static electricity can effect production, handling, performance or appearance.

Model 431 Shielded Bag Test System

Description-Sensitive electronic devices are susceptible to damage or degradation by direct electrostatic discharge from personnel or equipment, or by a charged device discharge. The static shielding bag is designed to protect these components from ESD events. Devices may be either voltage or energy sensitive. EIA-541 "Packaging Material Standards for ESD Sensitive Items" defines the measurement of the voltage inside the bag when a 1kV HBM discharge is applied to the outside of the bag. ANSI ESD S11.31 "Evaluating the Performance of Electrostatic Discharge Shielding Bags" defines the measurement of the energy inside the bag when a 1kV Human Body Model discharge is applied. The Model 431 Shielded Bag Test System is a complete instrument that generates the specified ESD pulse across a test bag and detects either the voltage induced onto or the current across a capacitive sensor placed inside the bag. The optional ETS Energy Calculation Program controls the operation of the Model 431, calculates the energy inside the bag and processes the data in accordance with ESD S11.31.


Series 500 Humidity/Temperature Controllers & Indicators

Many applications in research, testing, calibration, assembly and storage require the precise measurement and/or control of relative humidity and temperature. These requirements are found in many diverse industries such as electronics, plastics, petrochemical, packaging, pharmaceutical and medical. To meet these requirements, the ETS line of Automatic Humidity and Temperature Controllers provides accurate measurement and precise control of humidity and temperature. These controllers are designed for use with the ETS line of Controlled Environment Chambers and other enclosed environment systems. ETS portable hand-held indicators meet the need for accurate measurement of humidity, temperature and Dew point in either a closed or open environment.

Model 511 Humidity Controller (Single Point)

Description-The Model 511 Humidity Controller is designed to control the humidity level within a sealed chamber to a factory preset level between 5 and 30% R.H. The humidity can be maintained to within 2.5% R.H. of the set-point with an overall measurement accuracy better than 3% R.H. An LCD readout provides 0.1% R.H. resolution of the humidity level indication. The instrument housing contains both the capacitive type humidity sensor and control circuits. The system utilizes a 4 amp 110/220 Volt solid state output to operate a solenoid valve that controls either the flow of dry gas into the chamber or the optional desiccant/pump Model 5611 Dehumidification System. LEDs indicate the ON/OFF status of the Controller.

Model 512B Automatic Humidity Controller (Dehumidify Only)

Description-The Model 512B Automatic Humidity Controller is designed for use with a desiccant/pump dehumidification system to lower and automatically control the relative humidity in a sealed chamber. It can also operate an AC solenoid valve to control the flow of gas.

Model 513A Automatic Temperature Controller (Humidify & Dehumidify)

Description-The Model 513A Automatic Temperature Controller accurately measures and precisely controls the temperature over the range from 32-199 F (0-100 C). An optional sensor is available to expand the measurement and control range from –67 to 302 F (-55 to 150 C). A digital readout with 0.1 resolution provides precise indication of the set-point and measured temperature level. Temperature indication in either F or C is selected by a front panel switch. Measurement accuracy is 1.8 F (1 C). The Controller utilizes solid state switching circuits to operate any heating and cooling system requiring less than 4 amps at 115/230 VAC. Individual ON/OFF switches enable the user to activate any combination of operating modes. LED indicators show the ON/OFF status of each mode.

Model 514 Automatic Humidity Controller

Description-The Model 514 Automatic Humidity Controller accurately indicates and precisely controls the relative humidity over the entire 0-100% range in any sealed environmental chamber. The fast response, capacitive type sensor has a measurement accuracy of 2% R.H. over the range of 0-90% and 3% from 90-100% R.H. A digital readout with 0.1% R.H. resolution provides precise indication of the set-point and measured humidity level. The Controller utilizes solid state switching circuits to operate dehumidification and humidification systems that automatically control the relative humidity in a sealed chamber. Individual ON/OFF switches enable the user to activate any combination of operating modes. LED indicators show the ON/OFF status of each mode.


Model 5611 Desiccant/Pump Dehumidification System Model 5612 Humidification System (115VAC or 220 VAC)

Model 5613 Cooling System (CO2) **

Model 5614 Heater (Increase Temperature 20F)

Model 5615 Dry Gas Dehumidification System

Model 6340 Extended Temperature Heating System (To 140 )

Model 517 Environmental Control System

Description-The Model 517 Environmental Control System combines the features of the Model 513A Automatic Temperature and the 514 Automatic Humidity Controllers to operate integrated temperature and humidity systems to control the environment inside sealed chambers up to 64 cu. ft. over the range of 32 to 122 F (0-50 C) and to 98% R.H. Heating and cooling are provided by the ETS Model 5613 Gas Cooling System and the Model 5614 Heater. Humidity is controlled by the ETS Model 5611 Dehumidification System and the 5612 Ultrasonic Humidifier. Separate power switches control the supplied 110CFM fan and optional lighting. Refer to the Model 518 Controlled Environment Chamber and the Accessories sections of the ETS Series 500C brochure for additional information. Options for the Model 517 include humidity control/temperature read only and a dry gas dehumidification system.

Model 528 Humidity Control System for Rooms

Description-The Model 528 provides precise humidity control and temperature monitoring. The system operates over a range of 8 to 95% RH with an accuracy of 2% and can control the relative humidity to within 0.5% of set point. All controls are located on the front panel of a 10" x 12" x 6" fiberglass NEMA 12 enclosure. The Model 528 may also be incorporated into ETS designed or rooms from other manufacturers.

Model 540 & 545 Temperature/Humidity/Dew Point Indicators

Description-The Models 540 & 545 Humidity/Temperature/Dew Point Indicators are designed to provide fast, accurate measurements in virtually any situation. The Model 540 has a probe permanently attached to the housing while the Model 545 incorporates a removable probe. These precision instruments are capable of measuring relative humidity over the range of 5-95% R.H. and temperature from 32-122 F (0-50 C). Accuracy is 3% for humidity and 0.7 F ( 0.4 C) for temperature which can be displayed in either F or C. Dew point is easily calculated at the touch of a button. Both indicators have a memory function to display preprogrammed MINimum and MAXimum values and operate from a single 9V alkaline battery with a typical operating life of 100 hours. When battery life drops to approximately 10 hours, the "BAT LOW" indicator activates.


Series 500C Controlled Environment Chambers

Controlled humidity and/or temperature environments are used for research, testing, calibration, conditioning, assembly and storage. Applicable industries include electronics, petrochemical, plastics, medical and pharmaceutical. The electronics industry requires controlled environments for storage, assembly, testing and calibration of critical components and systems. Material used for static control in electronics, medical and hazardous applications must be tested and certified under specific humidity and temperature conditions. There is a need in every industry for relatively small chambers or rooms to meet specific environmental requirements. The ETS line of Controlled Environment Chambers and Rooms are designed to meet these needs.

Model 505 Controlled Humidity Storage Cabinet

Description-The Model 505 Controlled Humidity Storage Cabinet is a steel unit available in 21 standard colors. When configured for ESD protective applications, the cabinets are supplied with appropriate grounding and a black static dissipative paint finish. The Model 505 features automatic humidity control over the range of 5-30% R.H. by regulating the flow of dry nitrogen or other dry gas (user supplied). The cabinet measures 30" W X 27.75"D and is available in heights of 33", 44" and 59". Various drawer, bin and shelving arrangements are available to accommodate virtually any storage requirement.

Model 506 Controlled Environment Chamber

Description- The Model 506A has an internal volume of 9cu.ft. and is fabricated from .25" clear and white acrylic. It comes complete with a 32 CFM circulating fan, humidity/ temperature indicator plus the Model 5611 Desiccant/Pump Dehumidification System designed to reduce the humidity inside the chamber to less than 10% R.H. Access to the chamber is through a 12"x 12" opening located on the left hand side. The heavy duty acrylic door is secured by a single half-turn latch along with a resilient gasket which ensures an airtight seal. A 1.5" dia. cable pass-through and accordion style neoprene gloves complete the system. Controllers and options are available which allow precision control of relative humidity and temperature within the enclosure.


Iris Ports

Replacement Hands

Conductive Replacement Hands Renewable Desiccant

Desiccant Column

Model 6326 Pass-Thru Chamber

Model 6324 Chamber Insulation Blanket

Model 518 Controlled Environment Chamber

Description-The Model 518 Controlled Environment Chamber has an integrated precision humidity and temperature system that (at the sensors) controls the relative humidity to within 0.5% R.H. over the range of 5-98% R.H. at lab ambient. The system controls temperature to within 1.8 F (1 C) over the range from 32-122 F (0-50 C). Typically, the humidity and temperature within the chamber can be maintained at 3% R.H. and 3.6 F (2 C). Humidity control is achieved by a desiccant/pump drying system and an ultrasonic humidifier. Temperature control is provided by a 500 Watt electric heater and the conversion of liquid CO2 into gas for cooling. The chamber, fabricated entirely from 0.25" and 0.375" white and clear acrylic, measures 47" W x 25.5"D x 22"H with a 13 cu. ft. controlled environment section. A 14"x 14" door and a 1.5" diameter cable pass-through are located on the left side panel. A front mounted 32"x 14" door allows easy placement of large objects within the Chamber. The front also contains a pair of accordion style neoprene gloves for handling objects within the controlled environment. Other standard accessories include a 110CFM circulating fan, a sealed 15 Watt fluorescent light and a duplex AC (North American Std. Only) power outlet.


Model 6320 Dry Gas Dehumidification System

Model 6321 Nitrogen Cooling System

Model 6323 Chamber Insulating Blanket

Model 6325 Pass-Thru (Air Lock) Chamber

Contact ETS for more information on our expanding line of chambers, controllers and options.


Series 500R Controlled Humidity Rooms

Controlled humidity/temperature rooms are often required for research, testing, calibration, conditioning, assembly and storage. Applicable industries include electronics, plastics, petrochemical, medical and pharmaceutical. Often, material and products must be tested, certified and stored under specific humidity and temperature conditions. In every industry there is a need for a controlled humidity environment at working temperatures between 65 and 90 F (18 and 32 C). The ETS Series 500R Controlled Humidity Rooms are specifically designed to meet these requirements. For additional information or a quotation, please contact ETS with your room requirements.

Series 600 Electrostatic Monitoring Systems

The build-up of electrostatic charge during manufacturing and handling operations can seriously affect production capacity and quality. If an explosive product or atmosphere exists, personnel and plant safety can be at risk. Electrostatic discharge is often the ignition source in many unexplained explosions. ETS Electrostatic Monitoring Systems detect static events or the build-up of static charge and are designed to activate a warning and/or countermeasure signal when a preset threshold is exceeded. Systems are available in single and multiple channel configurations. ETS systems are available with standard or intrinsically safe, positive pressure or explosion-proof sensors for use in free air or environments containing gas, liquid, dust or particulate.

Model 601 Static Level Alarm System

Description-The Model 601 Static Level Alarm System is a single channel unit consisting of a rugged electrostatic sensor and a control unit housed in a steel NEMA Type 12 enclosure. The System has two alarm thresholds that are fully adjustable by the user. Yellow and red LED indicators on the front panel illuminate and remain lit when the thresholds are exceeded. The alarm outputs consist of 4 amp solid state switches and Form-C relays to operate warning devices and control functions. The alarms may be reset either remotely or at the control unit. An analog meter on the front panel of the control unit displays the magnitude and polarity of the electrostatic charge being monitored and is used to set the alarm threshold levels. Digital and remote readouts are also available. All input/output connections to the control unit utilize barrier blocks and strain relief bushings to facilitate user installation.

Model 618 Electrostatic Event Monitoring System

Description-The Model 618 Electrostatic Event Monitoring System is available with up to 8 channels to detect an electrostatic event or a rapid change in level that activates a dual threshold alarm. Each channel consists of a miniature static event sensor and an individual plug-in signal processing board with upper and lower alarm threshold adjustments and indicators. The individual alarm signals latch a common alarm circuit that controls a relay for each threshold. The alarm is reset either remotely or at the control panel. An analog meter is used to both observe changes in static level for the channel selected and to set the alarm threshold levels. The control unit is housed in a steel NEMA Type 12 enclosure.

Model 621 Static Level Monitor

Description-The Model 621 Static Level Monitor is a single channel alarm system featuring an autoranging display of 500 to 5kV or 5kV to 50kV at a distance of 2 inches. The unique, low cost, flexible design of the Model 621 allows the user to easily add this unit to virtually any installation. The sensor can be connected directly to the control unit, connected by conduit as a single assembly or connected by cable. The Model 621 is housed in a cast aluminum enclosure. Water resistant ABS plastic enclosures are also available. The control unit contains signal processing and alarm electronics. An LED bargraph display the magnitude and polarity of the measured charge

Model 628 Multi-Channel Static Level Monitor

Description-The Model 628 Static Level Monitor is a multi-channel alarm system that continuously monitors the static level and initiates lower and upper thresholds when the preset thresholds are exceeded. The system is capable of simultaneously monitoring up to eight channels.

Series 800P Resistance/Resistivity Probes & Test Fixtures

Many test standards used to describe the resistance characterization of material define specific electrode configurations. ASTM D-257 is the test standard for measuring the surface and volume resistivity of insulative material using either parallel bar or concentric ring electrodes. ESD Association Standards S11.11 and DS11.12 define a specific D-257 concentric ring electrode configuration to measure surface and volume resistance of dissipative planar material. ASTM D-991 utilizes a 4-pole measurement fixture for measuring bulk resistance of conductive material. ESD Association standards specify a 5 pound, 2.5" diameter probe with conductive rubber electrode for measuring point-to-point resistance and resistance-to-gound of ESD protective work surfaces, floors and seating. ASTM F-150 and NFPA 99 specify a similar probe.

Resistance characterization of material or finished product is a primary requirement in the static control industry to define the dissipative characteristics of ESD safe material and products. It is also used wherever the conductive or insulative properties of material are required. The ETS line of resistance/resistivity probes and test fixtures are designed to meet these requirements. The probes incorporate electrode dimensions that enable the user to convert a surface resistance measurement to surface resistivity. In addition, ETS designs custom probes and fixtures to measure the resistance characteristics of virtually any solid, liquid or powder material.

Model 803B Resistance/Resistivity Probe

Description-The Model 803B Surface/Volume Resistance/Resistivity Probe complies with the test requirements specified in ESD S11.11, DS11.12 and ASTM D-257 for measuring the surface and volume resistance of static dissipative and insulative planar material. The Probe is fabricated to provide the specified 5 pound (2.2 kg) weight. The electrodes are made from silver-impregnated silicon rubber with a Shore-A hardness of 65 durometer to ensure good probe-to-test-surface contact. Contact resistance of less than 1 Ohm enables measurements of less than 10 Ohms to be made. Teflon insulators provide
high insulation resistance between electrodes under relatively high humidity conditions. The Model 803B comes complete with a both a 4" (10.16 cm) metal and an acrylic test bed as specified in ASTM D-257, ESD S11.11 and DS11.12. Cables terminated with standard banana plugs enable the probe to be used with any resistance meter having banana jack input connectors.

Model 805 IC Shipping Tube Resistivity Test Fixture

Description-The Model 805 is designed to allow fast, accurate resistivity measurements of .3 and .6 inch IC shipping tubes. The fixture may be used in conjunction with any standard resistance meter providing the necessary test voltage and measurement range.

Model 808 Volume Resistivity Test Cell

Description-The Model 808 is used to accurately measure the volume resistivity of most liquids and powders. It is designed in accordance with the guidelines specified in ASTM D-257. The dimensions of the electrodes and spacing result in a volume resistivity that is 10 times the measured resistance. The cell consists of a Delrin body and stainless steel electrodes and hardware. The unit is easily disassembled for cleaning. The Test Cell is also available with a Teflon body for measuring insulative material.

Model 809B Surface Calibration Check Fixture (500K/1TW )

Description-The Model 809B is a two-sided calibration check fixture designed in accordance with the requirements of ESD S11.11. The fixture is intended to verify the accuracy of the probe to be used before measurements are taken on a sample material. Side one is used to perform a flatness and accuracy test on the ETS Model 803B or similar Resistance/Resistivity Probe. An acceptable reading will be 500kW . Side two has a resistance of 1TW and is used to check electrification time.

Model 819 Volume Calibration Check Fixture (500KW )

Description-The Model 819 is similar in use to the Model 809B but is used to verify the accuracy of the volume resistance measurements.

Models 821-824 Family of Surface Resistance Probes for Non-Flat Surfaces

Description-The Models 821, 822 & 823 are concentric ring probes specifically designed to measure the surface resistance of uneven or curved surfaces. The probes conform to surface resistivity measurement standards. The compact size of these probes makes them ideal for measuring surfaces with an accessible area as small as 0.375" (1cm) in diameter. The probes are supplied with gold-plated socket-mounted flat tip electrodes. Teflon insulation between the inner and outer concentric rings provide high insulation resistance between electrode arrays. A 3-foot Teflon shielded cable is terminated with standard banana jacks for compatibility with most resistance meters.

The Model 821 consists of a 0.375 inch outer ring of 12 individual 0.062" diameter, flat electrodes and a single 0.125 inch flat center electrode. An approximate force of 3 pounds (1.35 kg) is required to fully compress the spring electrodes. The probe measures 2" long by 0.75" in diameter with a total weight of 1.6 oz.

The Model 822 measures areas greater than 1" (2.54 cm) in diameter. The probe consists of 22 individual 0.125" diameter flat electrodes. The outer ring is configured with 17 electrodes and the inner ring with 5. An approximate force of 5 pounds (2.2 kg) is required to compress the spring-loaded electrodes. The Model 822 measures 3" long by 1.5" in diameter and weighs 5.4 oz.

The Model 823 is a full size probe that meets the dimensional requirements specified in ESD S11.11. The probe is configured with two concentric rings comprised of 0.125" diameter spring-loaded flat electrodes. The probe is fabricated from brass measuring 3.25" (8.25 cm) by 4.5" (11.43 cm), including handle, to provide the specified 5 pound weight.

The 824 Family is a series of 2-point probes available with .060", .075", .100" or .156" flat electrodes spaced from .2" to .5".


Model 831 ASTM 991 Test Fixture

Description-The Model 831 is designed for measuring volume resistivity in accordance with ASTM D-991 "Rubber Property - Volume Resistivity of Electrically Conductive Antistatic Products". This test method utilizes the measurement of current flow (I) through a material and the voltage drop (V) across a section of the material to calculate the volume resistivity in Ohms-cm. The test fixture, fabricated from nickel-plated steel and Delrin, is designed to measure standard 3" x 5" test samples.

Model 850 Surface Resistance Probe

Description-The Model 850 is designed for point-to-point resistance measurements in accordance with current military and industry standards. The probe is used for making measurements on floors, mats, workbenches, seating or any other flat surface where the resistance between two points is required. The probe weighs 5 pounds (2.2 kg) with a 2.5 inch diameter electrode made from carbon-impregnated, .25" thick silicon rubber with a Shore-A hardness of 65 durometer. Contact resistance of the complete Probe is less than 100 Ohms. A 5-foot cable is provided with each probe.

Series 800M Wide Range Resistance Meters

Many applications require the measurement of resistance or resistivity over a wide range. The ETS Series 800M Wide Range Resistance Meters offers precision, voltage regulated instrumentation for both laboratory and field applications to meet virtually all resistance characterization requirements. Battery powered instruments offer both visual and audible PASS/FAIL indication plus an analog readout for resistance/resistivity measurements from 10 ohms to over 1 Teraohm. These instruments feature built-in electrodes to meet current industry and military standards. ETS Wide Range Resistance Meters are used to perform measurements as specified in ESD Association Standards, EIA-541, MIL-B-81705C, ASTM-D-257 and other applications requiring the measurement of resistance utilizing test voltages from 10 to 500 Volts.

Model 860 Wide Range Resistance Indicator

Description-The Model 860 Wide Range Resistance Indicator incorporates a unique, dual electrode design for both resistance-to-ground and surface resistivity measurements. The geometric configuration of the resistivity electrodes provides a direct reading of surface resistivity that is 10 times the measured resistance. Measurements over the 102 to 1011 Ohm range are performed with a regulated open circuit test voltage of 10 Volts. The resistance within the selected decade is indicated by a green LED. Resistances below the selected range are indicated by a flashing yellow LED and above the range by a flashing red LED. An audio tone indicates out of range measurements. An optional plug-in analog meter with a tri-color scale converts the Model 860 into a wide range resistance meter and extends the measurement range by two decades. The instrument operates from two 9-Volt alkaline batteries and includes an automatic battery low detection system that turns the meter off when the voltage drops below 13 Volts.

Model 870A Wide Range Resistance Indicator

Description-The Model 870A extends the measurement capabilities of the Model 860. The instrument has user selectable test voltages of 10 and 100 Volts. Resistance measurements over the range of 104 to 1011 Ohms can be made using 100 Volts. A reversible electrode assembly utilizes conductive silicone rubber concentric ring electrodes on one side for Point-to-Point and Point-to-Ground measurements and a 2.5" diameter silicone rubber electrode on the other side for Surface Resistivity and Surface Resistance measurements. By selecting the required electrode configuration, measurements meeting current industry and military standards can be performed. The instrument is powered by two 9-Volt alkaline batteries and incorporates an LED low battery warning indicator.

Model 872 Wide Range Resistance Meter

Description-The Model 872 is a precision instrument designed for measuring resistance and resistivity in both laboratory and field applications. It can be operated from either batteries or by an AC power module. The instrument measures over the range of 101 to 1013 Ohms with better than 5% accuracy. Regulated, user selectable test voltages measure resistance over the entire range when a test voltage of 10 Volts is selected or from 104 to 1013 Ohms with 100 Volts. The PASS/FAIL feature operates the same as with the Model 860 and 870. A large 3 " analog meter with a tri-color scale corresponds to the PASS/FAIL indicators. The Model 872 utilizes standard banana jacks for SOURCE, SENSE, and GROUND connectors. A 3 conductor, 4-foot shielded Teflon cable terminated with standard banana plugs is included.

Model 863/487 Wide Range Resistance/Current Meter

Description-The Model 863/487 is a precision instrument designed for measuring resistance and resistivity in laboratory applications. The instrument measures over the range of 101 to 1015 Ohms with better than 2% accuracy. User selectable test voltages rang from 1-500 volts. An adjustable sampling rate and computer interface expand the capabilities of the system, to allow detailed examination of conductive, dissipative and insulative materials.

Series 900 Electrostatic Discharge Simulators

Electrostatic discharge (ESD) is a significant factor in both the premature failure of electronic equipment and the ignition of explosive devices. ESD has become a common cause of microelectronic circuit failure, with many devices being sensitive to less than 30 Volts. Since it is not always possible to control the environment where electronic or explosive devices are used, the burden of product reliability falls upon the manufacturer to design and build equipment that will reduce its susceptibility to ESD.

Model 910 Electrostatic Discharge Simulator (Device Testing)

Description- The Model 910 is a completely integrated system used to determine the ESD susceptibility level of electronic devices up to 8kV in accordance with Mil-Std 883C Method 3015 and ESD S5.1. Plug-in RC Networks allow the Model 910 to simulate Human Body and Machine Models. The Model 910 features an adjustable power supply and can performing testing as low as 20 volts in either manual or automatic modes. Optional DUT Boards are available to test a wide variety of devices.

Model 930C Electrostatic Discharge Simulator

Description-The Model 930C is a complete system that produces ESD pulses from 500 to 26kV. The 1.5k W /100pf Human Body Model (HBM) network is standard. The simulator can also be configured to meet IEC 801-2 (1991 & 1984) and other industry standards using optional plug-in R/C networks.

The Model 930C is composed of a controller and a gun connected by a detachable 12-ft cable. The control unit houses the low voltage power supply with LED status indicators, system timing electronics, a displays for the AUTO MODE event counter, high voltage controls and a 2 " analog meter. In addition, a complete set of Charge/Discharge controls is provided for remote operation. The gun contains the high voltage power supply and voltage relay plus the plug-in resistor and capacitor networks. It incorporates high voltage ON/OFF, MANUAL/AUTO and RELAY/AIR discharge controls along with LED status indicators. A threaded hole enables the gun to be mounted to a tripod. The system has four modes of operation: AUTO COUNT, FREE RUN, MANUAL and AIR DISCHARGE. Air Discharge and Manual operations are controlled by the switches on the gun. The Model 930C includes 0.50" diameter elliptical (finger tip) and conical point probe tips (per IEC 801-2), standard banana jack adapter and a 2-meter ground cable are contained in a sturdy polystyrene carrying case.

Model 930C-FTS Firing Test Set Electrostatic Discharge Simulator

Description-The Model 930C-FTS is designed to tests the ESD susceptibility level of ordnance and explosive devices such as automotive pretensioner and pyrotechnic release systems. This instrument incorporates the same versatile features as the Model 930C plus a modified discharge unit which includes a Mil Std-1512 & 1576 R/C networks of 5kW and 500 pf plus a discharge output inhibit module. The Model 930C-FTS can be customized to meet virtually any ESD or high voltage pulse generator application.

Series 2000 Static Control Audit Kits

Electrostatic discharge is a major concern when handling sensitive electronic components or hazardous materials. Many military and industry specifications require material, work stations and storage areas to be periodically audited for conformance to ESD standards. The ETS Series 2000 Static Control Audit Kits provide instrumentation and accessories for measuring resistance/resistivity, static voltages, temperature/ humidity, ground verification, ionizer performance and other parameters to meet virtually any static control measurement or auditing requirement. ETS Audit Kits are ideal for meeting ISO-9000, military and commercial requirements for static control.
All kits are supplied with certificates of calibration traceable to NIST standards.

Model 2001A Static Control Audit Kit

Description-The Model 2001A enables the user to make Resistance, Resistivity, Static Voltage and AC Wiring verification measurements, plus monitor the relative humidity , temperature and dew point. The kit includes a Model 860 Wide Range Resistance Indicator which features a unique dual electrode design. The unit performs tests at 10 Volts for accurate surface resistivity and resistance-to-ground measurements. Connecting the Model 850 Resistance Probe to the Model 860 provides point-to-point resistance measurements. The Model 210 Static Meter measures static voltages on personnel and objects and displays the magnitude and polarity in an LED bargraph format. The Model 540 Humidity/Temperature/ Humidity/Dew Point Indicator accurately measures temperature, in either F or C, and relative humidity simultaneously. Dew point is displayed at the touch of a button.

Model 2002 Flooring Resistance Test Kit

Description-The Model 2002 is a portable resistance measuring system that contains a wide range resistance meter, a pair of 5 lb., 2.5" diameter test probes plus the necessary cables to make numerous types of resistance measurements. The kit is designed primarily for making point-to-point and point-to-ground resistance measurements on worksurfaces & flooring systems where test voltages of 100, 500 or 1000 Volts are required. The meter may be used in virtually any application to measure resistance over the range of 101 to 1012 Ohms. With the use of the appropriate (optional) probes or test fixtures, the meter may also be used to measure the surface and volume resistivity of material.

Model 2010 Static Control Audit Kit

Description-The Model 2010 kit expands on the capabilities of the Model 2001A by including additional equipment that enables the user to perform basic charged plate monitor tests, check personnel grounding and bond-to-ground resistance. Along with the equipment listed in the 2001 kit, the Model 2010 includes the Model 870A Wide Range Resistance Meter with user selectable voltages of 10 and 100 Volts, a reversible concentric ring electrodes assembly for measuring surface and volume resistance/resistivity and a 2.5" diameter electrode for measuring point-to-point and point-to-ground resistance in accordance with applicable standards. The Model 205A and Model 206 are charged plate detectors that convert the Model 210 Static Meter into a charged plate measurement system. A wrist strap is included for personnel grounding and static propensity testing. The Model 250 Wrist Strap Tester checks the integrity of wrist strap and wearer and the Model 255 Resistance-to-Ground Tester verifies the bond-to-ground resistance to be less than 1W or 2 W as selected by the user.

Model 2015 Static Control Audit Kit

Description-The Model 2015 is a complete, portable electrostatic measurement laboratory in kit form. This kit builds upon the precision equipment supplied with the Model 2010 and includes a dual voltage power supply and special resistance probes for measuring small and/or uneven surfaces, finger cots and volume resistance. The Model 208A Dual Voltage Power Supply provides either 500 or 1kV for performing static dissipation, voltage suppression and ionizer neutralization tests. The Model 821 is a .375" diameter concentric ring probe that utilizes an array of spring-loaded pins to provide contact to uneven surfaces or small objects. (The Model 822 is a 1" version available as an option.) Accessory probes and plates are provided for testing chairs, footwear, gloves and finger cots. In addition, a static dissipative mat and a pair of ESD protective gloves are included.

Misc. ETS Equipment

Model 220A High Input Impedance Precision Digital Voltmeter

Description-Most laboratory voltmeters are not capable of measuring high voltage sources with high output impedance without significantly loading the voltage source. Originally designed for the U.S. Army to calibrate radiation measuring equipment, the Model 220A High Input Impedance Voltmeter with 70 Gig-ohm input impedance can measure DC voltages up to 5.5 kV with 1.0 Volt resolution over a wide range of temperature and humidity with better than 1% accuracy without loading the power source. The compact size, light weight and battery powered operation make the Model 220A ideally suited for use in both laboratory and field applications.

Model 230 Nanocoulombmeter

Description-Electrostatic charge on an object is measured by placing it into a Faraday Cup where the charge is transferred to the cup and measured by a nanocoulombmeter. The Model 230 Nanocoulombmeter is a wide range instrument capable of measuring charge as low as 0.01 nanocoulomb. The Model 230 meets the requirements specified in ESD Association, EIA, DOD and other industry standards and features three user selectable ranges of 0-20 nC, 0-200 nC and 0-2000 nC. Various size cups and buckets are available to meet your specific requirements.

Model 705 Triboelectric Charge Generation

Description-The antistatic properties of material is one of the most important factors in determining the effectiveness of a static control product. One of the most frequently used procedures is the inclined plane test described in ESD ADV 11.21. This test measures the charge developed on Teflon and Quartz cylinders when rolled down a test material mounted to a plane inclined at 15 . The Model 705 Triboelectric Charge Test System provides all the equipment necessary to perform this test including the Model 230 Nanocoulombmeter with footswitch, Model 231 Faraday Cup, Model 701 Inclined Plane, Model 210 Static Meter, Ionizer, Teflon and Quartz cylinders plus all required accessories for performing inclined plane testing.

Model 810 High Voltage – Low Current Power Supply

Description-The study of electrostatic phenomena, the simulation of electrostatic discharge and the evaluation of the behavior of electronic components and material frequently require the use of a precision high voltage power source. The high voltage is generally used to place a charge on a surface or a device, charge up a capacitor or probe, calibrate electrostatic instrumentation or place a charge on a person to simulate an actual human body discharge. The current limited output, 10kV dual polarity, high resolution controls plus digital readout make the Model 810 High Voltage Power Supply an ideal instrument for all electrostatic measurement applications.







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COPYRIGHT 1997  electro-tech systems,inc
AUTHOR: Don Papa