DC test [DC]
Used for testing DC Sensitive RCDs.
Test Lead OPTION 1,2 or 3 as required
1)Select the appropriate RCD rated current on the right hand
rotary switch.
2)Select the [DC] test on the left hand switch.
3) Press the YELLOW test button.
4)The trip time will be displayed .
5)If the RCD fails to trip, ">200 ms" will be displayed.
0º or 180º
On either the
I
, 5
I
or DC test, to switch between 0º and 180º
press the BLUE 0°/180° button.
Ramp Test [
]
Test Lead OPTION 1, 2 or 3 as required
A test current from
1/2
I
to 1
I
will be applied during which the
RCD should trip.
1) Set the Range select to the RAMP symbol.
2) Set the RCD range switch [mA] to the current rating of the RCD.
3) Press the YELLOW test button.
4) Results are displayed in mA.
5) If RCD fails to trip the message ">***mA" is displayed.
*** = Final test current applied
Batteries
Uses 8 x 1.5 V AA (LR6) Alkaline dry cells.
Low battery voltage is indicated by the
b
symbol in the display.
To replace batteries,
disconnect test leads
. Remove the battery
cover and carefully remove the battery carrier.
Replace with new batteries. Do not mix old and new batteries
Warning: OBSERVE CORRECT POLARITY
. Incorrect battery
polarity could damage the instrument and invalidate the warranty.
Spare fuse
A blown fuse is indicated by the
f
symbol. To replace the fuse:
Disconnect test lead and remove the battery cover, replace fuse
with spare provided: type: 500 mA (F) HBC 10 kA 500 V