Continuity Testers

A Continuity Tester can sometimes be referred to as an "Electrical Tester", "Electrical Test Equipment", "Voltage Continuity Tester" or a "Circuit Tester". A Continuity Tester is a type of electrical testing equipment, predominantly used to test for an electrical path between two given points. If an electrical current is found, the circuit that is being tested on can be safely de-energised before being connected to any other equipment.

How do Continuity Testers work?

The test equipment holds an electrical current indicator, which sits between the two test leads and probes. Whilst performing a test, if a circuit is established and a current or voltage is found then the indicator will be activated. This indicator may be in the form a light or buzzer, alternatively there are audible Continuity Checkers that will omit a beeping noise if power or a current is found during.

What are Continuity Testers for?

A Continuity checker is used to perform a continuity test on apparatus, to determine if a connection has been made correctly or if one is apparent between two points. This tester also helps with the indication and detection of two points that are connected, that possibly shouldn't be.

RS Components supply a generous variety of Continuity Testers, brought to you from leading brands such as Catu, Martindale and of course our trusted own brand RS Pro.

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Description Price Test Current Visual Indicator Probe Voltage Weight Dimensions Length Maximum Operating Temperature Minimum Operating Temperature Model Number p Audible Alarm Battery Type Display Type Height Power Source
RS Stock No. 254-263
Mfr. Part No.TEK 404
5mA - 9V 185g 150 x 64 x 30mm 150mm +40°C -5°C TEK 404 Yes 9V LED 30mm Battery
RS Stock No. 255-604
Mfr. Part No.RSTEK402
50µA No 2.2V dc 260g 50 x 64 x 30mm 50mm - - TEK 402 Yes 9V LED 30mm Battery