User manual

42
10mV):
4.10 Timer of Current Flow
This function offers testing of the cutoff time of a breaker or a fuse. First,
connect the test object to output terminal as shown below.
Press
,
, ,
and then
in the main screen to enter the
current flow counter screen.
= 1.
= .
:
.
FF
= 1 .
:
After setting up the output voltage/current and pressing to turn on the
output, the system will start counting down the timer until the breaker or fuse is
open. The resolution of the timer is 100us (0.1 ms) and the maximum counting
period is one hour. If the counter doesn’t work after pressing
, error
occurs herein and the screen will display an error message after two seconds.
One of the following three scenarios may happen:
A. Connector not ready
If a fuse is not properly connected to the output connector or a breaker under
test has not been switched to ON position, the screen will show an error
V = 36.00 V
I = 40.00 A OFF
0.00 V 0.00 A