Ac Current Measurements; Voltage Measurements (Only Unitest Clamp Meter Chb 15) - Unitest CHB 15 Bedienungsanleitung

4.2.2 AC current measurements

1. Turn selector switch (2) to "200 A; /400 A; " / UNITEST
Clamp Adapter CHB 10 "200 A".
UNITEST Clamp Adapter CHB 10:
Connect the UNITEST Clamp Adapter CHB 10 to a Multimeter
i.e. a UNITEST Digital Multimeter Order No. 93428 and select
the correct range.
2. Open the clamp, and close it round the conductor. Make sure
that the clamp properly encircles the conductor, and that there is
no air gap between the jaws.
If the display is not visible during measurement, press the "HOLD"
button (3) to retain the display. The clamp can then be removed
from the conductor and the stored value read. (Clamp Meter CHB
15 and CHB 35 only).
4.3 Voltage measurements
(Clamp Meter CHB 15 only)
DANGER !
Do not connect more than 750 V AC or 1000 V DC to the input
sockets. Eceeding these values can endanger the operator, and
may result in damage to the instrument.
WARNING !
Before switching to a new function, disconnect the probes from
the UUT.
DANGER !
Only handle test leads and probes on the grips provided. Avoid
touching the probes under any circumstances.
Correct current measurement
with the UNITEST Clamp
Adapter CHB 10 and a Digital
Multimeter.
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