Self-powered non-contact ac dc voltage detector tester

Self-powered non-contact ac dc voltage detector tester

Inductance Circuit Voltage Tester Probe Sensor 12-500V
This is a magic voltage sensor, DCY25. It checks wires without contacting the wires and tells you which is hot (fire), which is cold (ground), and amazingly, no battery needed! It sucks the juice from what you are testing. It checks voltage from 12V to 250V and shows segment display with digital numbers on it. So, you can find out wire hid in the wall from surface, also it shows spark on the meter to tell you where there is a hot wire inside.It checks both AC and DC with just one end touch, why? Because your body makes the loop to make the measurement, so just one end touch, you can find out where the source comes from. It's perfect for home use and becomes handy when checking holiday lights.
Voltage sectional digital display 12V-250V
1. To check the voltage, hold the end button and connect the tip to the point you want to check, the display will show the voltage range immediately.
2. To identify the wires, hold the second button ( close to LCD) , when the wire is detected, A spark sign will show on the display area.
3. To check a broken point on a wire, just following the hot wire with spark sign on, when the spark sign disappears, there is a broken point on the wire.
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