Maintenance - Unitest CHB 4 Bedienungsanleitung

Carrying out Measurements
Earth
Fig.: Leakage Current Measurement
Read measurement result.
In the event of range excess, digit „OL" blinks and you
should select the higher range.
By means of the Data-Hold button you can store the
displayed value and the „DH" indication is appears on
the display.
After measurement disconnect the current clamp
from all wires.

6.0 Maintenance

When using the instrument in compliance with the instruc-
tion manual, no special maintenance is required.
Should operational problems occur during daily use, our
consulting service (phone 0049(0)7684/8009-29) will be
at your disposal, free of charge.
22
Leakage-
current
0,5 mA
Leakage-
current 1,2 mA
Display: 1,7 mA