qimoi Wire Path Instrument Multimeter Tester 9V Switch Tester Continuity Tester for Circuit Measure
qimoi
1. How to use: After plugging in the test , touch the two ends of the measured wire. If an audible and visual alarm is issued, it means that the wire is conducting, otherwise it is not conducting. 2. This product has a built-in 9V battery, and the cover can be opened to replace the battery. As shown in the principle diagram, if the red and black ends are not measured, the circuit is not conducting and there is no current consumption. 3. After the measurement circuit is turned on, the loop current is about 20ma. This product is not suitable for measuring tiny electronic components, electronic circuit boards, etc., Weight: 0.39903669422 pounds, Manufacturer: qimoi
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