Custom Rcd Setting - Var Mode; Rcd Tripping Time In Auto Mode - Fluke 1662 User Manual

1662/1663/1664 FC
Users Manual
8. Wait for the test to complete.
•
The primary display shows the trip time.
•
The secondary display shows the fault voltage
wire) related to the rated residual current.
•
If the trip time meets the appropriate standard of the RCD, the RCD 
indicator shows. For more information, see the RCD Tripping Time
table in the Specifications section of this manual.
Custom RCD Setting – Var mode
To measure RCD tripping time for a custom RCD setting – Var mode:
Turn the rotary dial to the ΔT (or I
1.
position.
2. Press  to select the Var current rating. The current custom setting shows
on the primary display. Use
3. Press  to select a test current multiplier. Normally you will use x 1/2 or
x 1 for this test.
4. Repeat steps 4 through 7 listed in the RCD tripping time measurement
procedure.
5. To view the nominal setting used for the test, press .
The maximum setting for type A RCDs is 700 mA. Var mode is
not available for type B RCDs.

RCD Tripping Time in Auto mode

To measure RCD tripping time in Auto mode:
1. Plug the Tester into the outlet.
Turn the rotary dial to the ΔT position.
2.
3. Press  to select the RCD current rating (10 mA, 30 mA, or 100 mA).
4. Press  to select Auto mode.
46
for Tripping Current measurement)
ΔN

to adjust the value.
Note
(voltage drop on PE