Voltage /Current Measurement - Iso-Tech IPM 138 Instruction Manual

1. VOLTAGE /CURRENT Measurement

1-1 Voltage testing procedures
1. Plug the Black test lead into the COM terminal and the
Red test lead into the V-Ω terminal.
2. Set the rotary switch to the V
3. Connect the test leads to the device to be measured.
4. Read the value from digital display.
- If the measured voltage is greater than 42 V DC or AC RMS,
the display will show " " and the buzzer beeps three times.
- If the measured voltage exceeds 1000 V DC or AC RMS, the
display will show "OL".
- If the measured frequency exceeds 1000 Hz , the display
will show " out. F ".
position.
EN-5