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TDR Tutorial and Riser Bond TDR Product Review

1205t 1205t


Model 1205T Dual Input Metallic Time Domain Reflectometer
Cable Fault Locator

Optimized for twisted pair cables.

View waveforms in the field or back at the office

Riser-Bond Instruments has taken waveform storage to a higher level. Model 1205T's exclusive SUPER-STORETM is the ultimate in waveform storage, viewing, and comparison.

Competitive TDRs store only a screen snapshot of the cable under test. Model 1205T stores all on-screen and off-screen cable data, for viewing at all gain settings.

Recall the waveform on Model 1205T or upload to a PC for post-storage analysis, comparison, manipulation, and archiving. Or, download the waveform directly to an external printer.

WAVE-VIEWTM for Windows® software is included free of charge, creating a virtual TDR on your PC. Try that with any other TDR!

Model 1205T Product Specifications

Physical Dimensions:
 Height:
267 mm
 Width: 247.6 mm
 Depth: 127 mm
 Weight: 3.6 kg

Power:  Lead Acid or NiCad battery pack
 12VAC, 1A (minimum) charger.

Charger: 110V, 220V 3 wire, or 220V Europlug

Environment:
 Operating temperature:
  +32 deg F (0 C) to +122 deg F (+50 C)
 Typical temperature:
  5 deg F (-15 C) to +140 deg F (+60 C)
 Storage temperature:
  -4 deg F (-20 C) to +140 deg F (+60 C)
 Humidity: 95% maximum relative humidity,
  non-condensing.

Display:
 128 x 256 dot matrix liquid crystal display
 (LCD) with electroluminescent backlighting.

Horizontal Resolution:
 <610 m: < .07 m at .99 VOP, <.02 m at .30 VOP
 >610 m: .10 m at any VOP

Vertical Resolution:
 17 bits with 93 dots displayed.

Output Pulse:
 Adjustable pulse widths of 2, 10, 100, 1000, 2000,
 4000, and 6000 nsec.

Maximum Range:
 19,400 m at .99 VOP, 11,700 m at .60 VOP
 Maximum testable cable length will vary with
 pulse width and cable type.

Vertical Sensitivity: Greater than 65 dB.

Output Connector: Four mm banana plugs.

Distance Accuracy:  +/- 0.15 m plus +/- .01% of reading.
 Accuracy will vary with VOP and cable type.

Input Protection:
 400 volts (AC + DC) from DC to 400 Hz and
 decreases to 10 volts at 1 MHz

Output Impedance:
 Front panel selection of 125, 93, 75 and 50 ohm,
 +/- 5%.

Auto dBRL: 2 digit auto dBRL calculation at cursor set.

Auto Crosstalk:
 2 digit crosstalk calculation at cursor set.

Velocity of Propagation:
 Keypad selection from .300 to .999 in .001
 or .01 increments.

Waveform Storage:
 Standard:
  4 at 12,000 samples/waveform
                      8 at 6,000 samples/waveform
                     16 at 3,000 samples/waveform
 Optional:  16 at 12,000 samples/waveform
                      32 at 6,000 samples/waveform
                      64 at 3,000 samples/waveform

Automatic/Manual Noise Filter:
 Standard:
Two averaging filters.
 Optional: Multi-function/level filter routines.

Serial I/O Port: RS-232.

Accessories:
 Standard:
Battery pack and charger, Operator's
  manual, Shoulder strap, Connectors, WAVE-
  VIEW software disks, Clip-on accessory bag.
 Optional: Additional waveform storage package,
  Additional noise filtering package, Custom
  softside carrying case, Strand hooks kit,
  Extended warranty.

CE CERTIFIED



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Copyright ©1993, 1994, 1995, 1996, 1997, 1998 James M. Atkinson
(Some material ©1996 Riser-Bond Instruments, used with permission)