MI 3102(H) BT
Eurotest
XE
Measurements
47
5.5.4 RCD Auto-test
RCD auto-test function is intended to perform a complete RCD test (trip-out time at different
residual currents, trip-out current and contact voltage) in one set of automatic tests, guided by
the instrument.
Additional key:
HELP
Click
Toggles between top and bottom part of results field.
Keep pressed for 1s
Enters Help screen
RCD Auto-test procedure
RCD Auto-test steps
Notes
Select the
RCD
function using the function selector keys.
Set sub-function to
AUTO
using
UP / DOWN
keys.
Set test
parameters
(if necessary).
Connect
test cable to the instrument.
Connect
test leads to the item to be tested (see
Press the
TEST
key to perform the test.
Start of test
Test with I
N
, 0
(step 1).
RCD should trip-out
Re-activate RCD
.
Test with I
N
, 180
(step 2).
RCD should trip-out
Re-activate RCD
.
Test with 5
I
N
, 0
(step 3).
RCD should trip-out
Re-activate RCD
.
Test with 5
I
N
, 180
(step 4).
RCD should trip-out
Re-activate RCD
.
Test with ½
I
N
, 0
(step 5).
RCD should not trip-out
Test with ½
I
N
, 180
(step 6).
RCD should not trip-out
Trip-out current test, 0
(step 7).
RCD should trip-out
Re-activate RCD
.
Trip-out current test, 180
(step 8).
RCD should trip-out
Re-activate RCD.
1)
Trip-out current test,
+ DC
(step 9).
RCD should trip-out
Re-activate RCD
.
1)
Trip-out current test,
- DC
(step 10).
RCD should trip-out
Re-activate RCD
.
Store
the result by pressing the
MEM
key (optional).
End of test
1) Steps 9 and 10 are performed for EV RCD or MI RCD only.
Result examples:
Step 1
Step 2
