This is a user manual for an analog high voltage megohmmeter, which includes instructions on how to use the meter, safety warnings, and other information.
The Extech 380320 Analog High Voltage Megohmmeter is a professional instrument designed for insulation testing with three ranges, a live circuit indicator, and low resistance measurement capabilities. It features a multiband analog display, a Power Lock On function for hands-free operation, and a live circuit indicator LED to ensure user safety. The device is powered by six 1.5V AA batteries and includes a tilt stand for convenient positioning.
| Display | Multiband analog display with zero adjust |
|---|---|
| Power supply | 6 x 1.5V AA batteries |
| Fuse Protection | 500mA 600V |
| Operating Temperature | 32 to 104 o F (0 to 40 o C) |
| Dimensions | 7.9 x 3.6 x 2" (200 x 92 x 50mm) |
| Weight | Approx. 24.7 oz. (700g) with batteries |
Do not proceed with the test; immediately disconnect the test leads and turn off power to the test circuit.
Set the range selector switch to the 3 Ω or 500Ω range, short the test leads together, press the Test key, and use the 0 ADJ control to align the pointer with the 0 point.