02/ 2011
BENNING CM 1-3
15
If there are electrolyte contamination or white deposits in the area of the battery
or the battery compartment, clean these areas as well by means of a dry cloth.
9.3 Battery replacement
Before opening the BENNING CM 1-3, strictly observe that the
device is free of voltage! Electrical danger!
The BENNING CM 1-3 is supplied by means of two integrated 1.5 V micro
batteries. Battery replacement (see figure 8) is required, if the battery symbol
appears on the display
3
.
Proceed as follows to replace the battery:
- Disconnect the safety measuring leads from the measuring circuit.
- Remove the safety measuring leads from the BENNING CM 1-3.
- Switch the rotary switch
2
to position „OFF“.
- Put the BENNING CM 1-3 face down and unscrew the screw of the battery
compartment cover.
- Lift off the battery compartment cover from the bottom part of the battery
compartment.
- Remove the discharged battery from the battery compartment.
- Insert the new batteries into the battery compartment observing correct
polarity.
- Lock the battery compartment cover into place on the bottom part and
tighten the screw.
See figure 8:
Battery replacement
Make your contribution for environmental protection! Do not
dispose of discharged batteries via the household waste. Instead,
return them to a collecting point for discharged batteries or spezial
waste. Please look for information in your community‘s facilities.
9.4 Calibration
To maintain accuracy of the measuring results, the device must be recalibrated
in regular intervals by our factory service. We recommend recalibrating the
device once a year. For this purpose, send the device to the following address:
Benning Elektrotechnik & Elektronik GmbH & Co. KG
Service Center
Robert-Bosch-Str. 20
D - 46397 Bocholt
10. Technical data of measuring accessories
- Standard: EN 61010-031,
- Maximum rated voltage to earth (
) and measuring category:
With push-on caps: 1000 V CAT III, 600 V CAT IV,
Without push-on caps: 1000 V CAT II,
- Maximum rated current: 10 A,
- Protection class II (
), continuous double or reinforced insulation,
- Contamination class: 2,
- Length: 1.4 m, AWG 18,
- Ambient conditions:
Maximum barometric height for measurements: 2000 m,
Temperature: 0 °C to + 50 °C, humidity 50 % to 80 %
- Only use the test leads if in perfect and clean condition as well as according
to this manual, since the protection provided could otherwise be impaired.
- Replace the measuring leads, if the insulation is damaged or if the con-
ductor/connector is interrupted.
- Do not touch the bare contact tips of the measuring leads. Only touch the
area intended for your hands!
- Insert the bent terminals into the testing or measuring device.
11. Environmental note
At the end of product life, dispose of the unserviceable device via
appropriate collecting facilities provided in your community.
