MI 3102(H) BT EurotestXE Measurements
69
IMD test procedure (MANUAL R, MANUAL I)
Select the IMD function from the OTHERS menu.
Select MANUAL R or MANUAL I sub-function.
Enable and set limit value.
Connect 3-wire test lead to the instrument and tested item (see Figure 5.58).
Press the TEST key for measurement.
Press the UP / DOWN keys to change insulation resistance
*)
until IMD alarms an
insulation failure for L1.
Press the TEST key to change line terminal selection to L2.
In case, when IMD switches off voltage supply, instruments automatically changes line
terminal selection to L2 and proceed with the test when instrument detects supply
voltage.
Press the UP / DOWN keys to change insulation resistance
*)
until IMD alarms an
insulation failure for L2.
Press the TEST key.
If IMD switches off voltage supply, instrument automatically proceeds to the PASS/FAIL
indication.
Use the TAB key to select PASS / FAIL indication.
Press the TEST key to confirm selection and stop the measurement.
Store the result (optional).
IMD test procedure (AUTO R, AUTO I)
Select the IMD function from the OTHERS menu.
Select AUTO R or AUTO I sub-function.
Enable and set limit values.
Connect 3-wire test lead to the instrument and tested item (see Figure 5.58).
Press the TEST key for measurement.
Insulation resistance between L1-PE is decreased automatically according to limit value
*)
every time interval selected with timer. To speed up the test press the UP / DOWN keys
until IMD alarms an insulation failure for L1.
Press the TEST key to change line terminal selection to L2.
In case, when IMD switches off voltage supply, instruments automatically changes line
terminal selection to L2 and proceeds with the test when instrument detects supply
voltage.
Insulation resistance between L2-PE is decreased automatically according to limit value
*)
every time interval selected with timer. To speed up the test press the UP / DOWN keys
until IMD alarms an insulation failure for L2.
Press the TEST key.
If IMD switches off voltage supply, instrument automatically proceeds to the PASS/FAIL
indication.
Use the TAB key to select PASS / FAIL indication.
Press the TEST key to confirm selection and stop the measurement.
Store the result (optional).
*)
When MANUAL R or AUTO R sub-function is selected, start value of insulation resistance is
determined by
When MANUAL I or AUTO I sub-function is selected, start value of insulation resistance is
determined by