Extech
Handheld test & measurement instruments — humidity, temperature, water quality, power, and more
Extech Continuity Testers
3 products across 3 product families
40180 Tone Generator and Amplifier Kit
The Extech 40180 is a Tone Generator and Amplifier Probe Kit. This heavy-duty kit with audible tone easily identifies wires or cables. The insulated inductive probe tip prevents shorting conductors. Featuring a wire trace, continuity test, clear/busy/ringing line test, and tip or ring identification. Includes alligator clips, RJ45 and RJ11 modular connectors, 9 V battery, and a case.
CT20 Continuity Tester
The CT20 is an electronic tool for electricians, alarm, cable installers and others who routinely need to check circuits for continuity and also identify cables and wires. It allows a single user to quickly identify and label two wires even when the wire ends are located in different rooms. It can accommodate test wire lengths up to 10,000-feet (3,000 meters), 26-gauge minimum. The CT20’s Remote Continuity mode allows the user to check continuity and to identify two or more cables/wires simultaneously.
TG20 Wire Tracer/Tone Generator
Wire Tracer/Tone Generator
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