BEHA UNITEST CHB 140 Mode D'emploi page 19

Continuity test
Ensure that the UUT is switched off and that no volta-
ge is present.
1) Select measurement range "Ω/•))" with Range selection
switch (3)
5) Connect black test lead with COM socket and red test
lead with VΩ socket
6) Connect test leads to UUT
4) Read the measured value on the display. A signal sound
is audibel at resistance values less than 40Ω.
The polarity at the red test lead (socket) is "+"
Data-Hold function
If the display is not visible during measurement, press the
"DH" button (9) to retain the display. The clamp can then be
removed from the conductor and the stored value read.
Min/Max Functions
Facility to switch between 4 measurement modes pressing
the MIN / MAX key (7), in accordance with the following
table:
Maintenance
As long as the instructions in the operating manual are ad-
hered to, no special maintenance is required.
Cleaning
Disconnect the instrument from all circuits. Humidify the
cloth slightly with household cleaner and wipe the instru-
ment surface by applying light pressure. Allow a recovery
time after cleaning before operating the instrument.
Calibration Interval
Measurement instruments must be calibrated at regular
intervals to ensure the accuracy and reliability of test results.
A calibration interval of one year is recommended for clamp
meters.
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