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| T I M E D O M A I N R E F L E C T O M E T R Y | |
| INFRASTRUCTURE TECHNOLOGY INSTITUTE |
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| Purpose of Project |
| History of TDR |
| Description |
| Equipment Used |
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ITI TEL: 847.491.4338 |
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EQUIPMENT USED
 Installing TDR cable and grouting with drill rig water pump (grout contained in 55 gallon drum).  Connection of transmission cable to TDR trasducer cable in protective enclosure.  TDR manual access box showing [clockwise from upper right] TDR connection port, TDR selector switch batteries, TDR phone and control cable entering bottom of box, TDR manual selector switch, telephone extension.  Comparison of the Tektronix 1502B cable tester [left] and newer CMOS-based Campbell Scientific/Hyper Labs HL1500. |