Long test lead. The cable length is about 5m(16ft) which allows you test any electrical system easily. Operation Instrcution: Unroll the unit’s cable. Clamp the red clip to the positive terminal of the vehicle’s battery. Clamp the black clip to the negative terminal of the vehicle’s battery.
EM285 is an Electrical Tester for Reducing Diagnostic Time in Automotive Electrical Systems. The unit has short-circuit protection and can test for bad ground contacts instantly.
An alarm sound made by the item indicates that the circuit breaker trips off. After the circuit breaker trips, it will reset automatically within 3 to 5 seconds. After an alarm sound, if this item is still connected with the testing object and you keep pressing down the power switch, the circuit breaker will repeat the process of trip and reset automatically.
EM285 have Long Cable Makes Your Testing Easily. It is a Comprehensive 6-24V DC test kit. After a simple hook-up of the unit to the vehicle’s battery, automotive technician can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward.