METREL EasiPLUS MI 3000 User Manual

MI 3000 EasiPLUS Measurements
32
How to perform contact voltage measurement
Step 1 Select RCD function with the function selector switch first. Use the / keys to
select contact voltage function (Uc). The following menu will be displayed:
Figure 5.14: Contact voltage measurement menu
Step 2 Set the following measuring parameters and limit values:
 Nominal residual current,
 RCD type,
 Limit contact voltage.
Step 3 Connect the test leads to the instrument and follow the connection diagram
shown in figure 5.15 to perform contact voltage measurement.
L1
L2
L3
N
PE
R E
Ro
LPEN
L
/
L
1
N
/
L
2
P
E
/
L
3
Figure 5.15: Connection of plug test cable or universal test cable
Step 4 Check for any warnings and check the online voltage/terminal monitor on the
display before starting the measurement. If everything is ok, press the TEST
key. After performing the measurement, the results will be displayed along
with a PASS/FAIL indication.
Figure 5.16: Example of contact voltage measurement results
Displayed results:
U.............Contact voltage.
Rl............Fault loop resistance.
Lim .........Limit earth fault loop resistance value according to BS 7671.

METREL EasiPLUS MI 3000 Specifications

General

Brand	METREL
Model	EasiPLUS MI 3000
Category	Test Equipment
Language	English