MI 3109 EurotestPV Lite
Measurements
33
Figure 5.3: Connection for insulation measurement with PV Safety Probe
Insulation resistance measuring procedure
Select the
Roc-
sub-function using the function selector keys and
/
keys.
Set the required
test voltage
.
Enable and set
limit
value (optional).
Connect
universal PV test lead or PV Safety probe (A 1384) to the instrument
(see Figure 5.2 and Figure 5.3)
Connect
universal PV test lead or PV Safety probe (A 1384) to the PV system
(see Figure 5.2 and Figure 5.3 - step 1).
Press the
TEST
key to perform the measurement (double click for continuous
measurement
and later press to stop the measurement).
After the measurement is finished wait until tested item is fully discharged.
Store
the result by pressing the
MEM
key (optional).
Select the
Roc+
sub-function using the
/
keys.
Reconnect
DC+ lead on PV Safety probe (A 1384, (see Figure 5.3, - step 2).
Press the
TEST
key to perform the measurement (double click for continuous
measurement
and later press to stop the measurement).
After the measurement is finished wait until tested item is fully discharged.
Store
the result by pressing the
MEM
key (optional).
Figure 5.4: Examples of insulation resistance measurement result
Displayed results:
Roc+, Roc-..........Insulation resistance
Um......................Test voltage
– actual value
U: ...................... Actual voltage on test inputs
