TG30 is a wire tracer kit produced by Extech. It is used to quickly trace and identify cables or wires within a group, and also check the operation of phone lines.
The Extech Model TG30 is a transmitter and probe kit designed to quickly trace and identify cables or wires within a group. It also allows users to check the operation of phone lines by observing LED indicators for line status, such as working condition, polarity, and ringing state.
The guide provides detailed instructions for three main functions: cable/wire tracing using an audible tone, telephone line testing via modular plugs, and continuity testing with alligator clips. It also includes safety cautions regarding voltage limits and battery replacement procedures.
| Probe Battery | (4) LR44, 157, AG13, A76 or equivalent |
|---|---|
| Transmitter Battery | 9V NEDA 1604/1604AL |
| Probe Dimensions | 147x28x28mm (5.8x1.1x1.1) |
| Transmitter Dimensions | 67x103x23mm (2.6x4.1x0.9") |
| Probe Weight | 30g (1.10oz) |
| Transmitter Weight | 120g (4.20oz) |
The transmitter should not be used on circuits greater than 52VDC.
Switch the transmitter to the CONT position and connect alligator clips to the wire pair; a buzzer sound indicates continuity.
A bright red LED indicates a working line that is not in use but has reverse polarity.