Rcd Trip Time - Fluke 1652C Calibration Manual

RCD Trip Time

To prevent possible electrical shock, fire, or personal injury, do
not touch the L or N input jacks while performing the following
tests. These input jacks have line voltage on them during the
test.
To test the RCD Trip Time Accuracy, perform the following procedure for each step in
Table 8.
1. Connect the UUT's L, PE, and N to the 5320A as shown in Figure 9.
2. Turn the UUT on and set the rotary switch to the ∆T function.
3. On the UUT, set
4. On the 5320A, press
Trip Time.
5. Press the 5320A softkeys to select Trip I and I Mult.
6. Using the cursor keys, modify the Trip I and I Mult. to the same value as the UUT
and setting.
7. Put the 5320A in
8. Press the UUT
9. Compare the UUT measured trip time to the Accuracy limits in Table 8.
UUT
Step
Function
1 30 ms
∆T
2 300 ms
3 500 ms
Warning
, , to the values shown in Table 8.
and use the MODE softkey and Cursor keys to select
and wait to settle.
.
Table 8. RCD Trip Time Accuracy Tests
UUT Settings
5320A RCD
Trip Time
30 mA
30 mA
30 mA
Spec
x1 AC 1 % + 1
x1 AC 1 % + 1
x1 AC S 1 % + 1
Electrical Installation Tester
Accuracy Tests
Trip Time
Accuracy
Lo Limit Hi Limit
28.7 31.3
296.0 304.0
494.0 506.0
31