TIME DOMAIN REFLECTOMETRY - CAMBRIDGE
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ITI
2133 Sheridan Road
Evanston, Illinois
60208

Tel: 847.491.4338
Fax: 847.467.2056
iti@northwestern.edu
Typical TDR Equipment


Installing TDR cable and grouting with drill rig water pump
(grout contained in 55 gallon drum).


Connection of transmission cable to TDR transducer 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.