BENNING CM 5-1
02/ 2011
17
(grey)
J
for approx. 3 seconds.
9.1 Securing the instrument
Under certain circumstances safe operation of the BENNING CM 5-1 is no
longer ensured, for example in the case of:
- Visible damage of the casing.
- Incorrect measurement results.
- Recognisable consequences of prolonged storage under improper condi-
tions.
- Recognisable consequences of extraordinary transportation stress.
- Failure of the self-test; „FAIL“ is shown on the display.
In such cases the BENNING CM 5-1 must be switched off immediately, discon-
nected from the measuring points and secured to prevent further utilisation.
9.2 Cleaning
Clean the exterior of the housing with a clean dry cloth (exception: special
cleaning wipers). Avoid using solvents and/ or scouring agents for cleaning the
instrument. It is important to make sure that the battery compartment and bat-
tery contacts are not contaminated by leaking electrolyte.
If electrolyte contamination or white deposits occur in the area of the batteries
or battery compartment, clean them too with a dry cloth.
9.3 Battery replacement
Before opening the BENNING CM 5-1, make sure that it is free
of voltage! Electrical danger!
The BENNING CM 5-1 is fed by a 9 V block battery.
A battery replacement (see figure 7) is required, if the battery symbol
9
appears
on the display
.
Proceed as follows to replace the batteries:
- Disconnect the safety measuring leads from the measuring circuit.
- Disconnect the safety measuring leads from the BENNING CM 5-1.
- Switch off the BENNING CM 5-1.
- Lay the BENNING CM 5-1 face down and release the screws of the battery
compartment cover.
- Lift the battery compartment lid (in the housing recess area) from the bottom
part.
- Lift the discharged battery from the battery compartment and disconnect the
battery supply lines from the battery.
- The new battery have to be connected to the battery supply lines, and
arrange these such that they are not crushed between the housing parts.
Then place the battery into the battery compartment provided for this pur-
pose.
- Place the battery compartment cover onto the bottom part and tighten the
screw.
See figure 7:
Battery replacement
Make your contribution to environmental protection!
Do not dispose of discharged batteries in the household
garbage. Instead, take them to a collecting point for discharged
batteries and special waste material. Please inform yourself in
your community.
9.4 Calibration
To maintain the specified accuracy of the measurement results, the instrument
must be recalibrated at regular intervals by our factory service. We recommend
a recalibration interval of one year. Send the multimeter to the following address:
Benning Elektrotechnik & Elektronik GmbH & CO. KG
Service Centre
Robert-Bosch-Str. 20
D - 46397 Bocholt
10. Technical data of the 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,
- Protective class II (
), continuous double or reinforced insulation,
- Contamination class: 2,
- Length: 1.4 m, AWG 18,
