Extech Instruments 382252, Руководство пользователя, Страница: 6 / 8

382252-en-GB_V1.5 1/17
6
4 5
1 2 3
200k

Resistance Measurement
1. Connect the red test lead to the V

(C) connector and the black test lead to the COM (E)
connector.
2. Set the function selector switch to the 200k

position.
3. Connect the test probes to the circuit under test.
4. Note the displayed Resistance value.
AC Voltage Measurement
5. Connect the red test lead to the V

(C) connector and the black test lead to the COM (E)
connector.
1. Set the function selector switch to the 750V AC position.
2. Connect the test probes to the circuit under test.
3. Note the displayed Voltage value.
DC Voltage Measurement
1. Connect the red test lead to the V

(C) connector and the black test lead to the COM (E)
connector.
2. Set the function selector switch to the 1000V DC position.
3. Connect the test probes to the circuit under test.
4. Note the displayed Voltage value.
Three terminal Ground Resistance Measurement
1. Using the Red and Green (1.5m) test leads with the alligator clips,
Connect one of the banana jacks of the red test lead to the V

(C) connector (Red) and the
other to the P (Yellow) connector on the meter.
2. Connect the Green test lead (1.5m) with the alligator clip to the COM (E) (Green) connector on
the meter.
3. Set the function selector switch to the one of the Earth resistance positions. (20, 200, 2000 Ω )
4. Perform the Zero adjustment as described above.
5. Connect the Red and Green test clips to the ground rod or other item to be measured.
4. Press TEST button. The “ “ icon will flash and the audible signal will sound.
5.
Note the resistance reading on the display.
6. Press the TEST button to stop the test.