Portable Cable Fault Identifier with Precise Detection and Direction of Clock Hands' Swing

Instrument Layout and Description:

This instrument consists of a main unit, receiver clamps, and a handheld receiver.

Main Unit Panel:

1. Ammeter: Displays the instantaneous average value of the output current;

2. Working Indicator Light: Indicates that the instrument is outputting a recognition signal;

3. Positive Output Terminal: Signal source output positive, connect to the red output wire;

4. Fuse Holder: 20A fuse mounting location at the output terminal;

5. Negative Output Terminal: Signal source output positive, connect to the black output wire;

6. Power Socket: Standard AC 220V connection port, instrument's operating power input port;

7. Fuse Holder: 6A fuse mounting location for AC 220V power supply system;

8. Power Switch: "Position I" turns on AC 220V power supply, "Position 0" turns off power supply;

9. Stop Button: Press this button to stop the recognition instrument from working;

10. Start Button: Press this button to start the instrument; the "Working" light illuminates, and the instrument outputs a signal;

11. Frequency Adjustment Knob: Adjusts the signal transmission speed;

12. Output Selection Switch: "Position I" is low; "Position II" is high.

1. There is a potentiometer on the underside of the handheld receiver to adjust the receiver sensitivity.

2. There is a BNC connector on the underside of the handheld receiver for connecting a receiver clamp.

Note: The sensitivity should ideally be adjusted so that the meter needle swings approximately 20-80% left and right. Do not make it too sensitive to avoid "meter reading errors"!