The conductor tester is used for check-up of two or more conductors laid in buildings or machinery. This tester has been designed on the basis of an integrated circuit U1-LM324 comprised of four functional amplifiers. These function as comparators. One D4 is used as a sensor and it initiates at the opposite end of the circuit under test. Pushing the pushbutton starts up the tester. 
- Supply Voltage: 9 to 16V. 
- Broken conductor indicator. 
- Misconnected conductor indicator. 
- Short-circuit conductor indicator. 
- Normal conductors indicator. 
Overall dimensions PCB 60x38mm. 

This product is a DIY assembly kit.
It is also available as a fully assembled module - Product code 1575 (separate product).