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Benning CM7 Manual

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09/ 2013
BENNING CM 7
10
2. Safety note
The instrument is built and tested in accordance with
DIN VDE 0411 part 1/ EN 61010-1
and has left the factory in perfectly safe technical state.
To maintain this state and ensure safe operation of the appliance tester, the user
must observe the notes and warnings given in these instructions at all times.
The unit may be used only in power circuits within the over-
voltage category III with a conductor for 1000 V max. to earth,
or within overvoltage category IV with a conductor for 600 V
against ground.
Only use suitable measuring leads for this. With measurements
within measurement category III or measurement category IV,
the projecting conductive part of a contact tip of the measuring
leads must not be longer than 4 mm.
Prior to carrying out measurements within measurement cat-
egory III and measurement category IV, the push-on caps pro-
vided with the set and marked with CAT III and CAT IV must be
pushed onto the contact tips. The purpose of this measure is
user protection.
Remember that work on electrical components of all kinds is
dangerous. Even low voltages of 30 V AC and 60 V DC may be
dangerous to human life.
Before starting the appliance tester up, always check it as well
as all cables and wires for signs of damage.
Should it appear that safe operation of the appliance tester is no longer possible,
it should be shut down immediately and secured to prevent it being switched
on accidentally.
It may be assumed that safe operation is no longer possible:
- if the instrument or the measuring cables show visible signs of damage, or
- if the appliance tester no longer functions, or
- after long periods of storage under unfavourable conditions, or
- after being subjected to rough transport.
In order to avoid danger,
- do not touch the bare prod tips of the measuring cables
measuring probes,
- insert the measurement lines in the appropriately desig-
nated measuring sockets on the multimeter
3. Scope of delivery
The scope of delivery for the BENNING CM 7 comprises:
3.1 One BENNING CM 7,
3.2 One safety measuring cable, red (L = 1.4 m)
3.3 One safety measuring cable, black (L = 1.4 m)
3.4 One compact protective pouch,
3.5 One 9 V block battery
3.6 One operating instructions manual
Parts subject to wear:
- The BENNING CM 7 is fed by a 9 V block battery.
- The above-mentioned safety measuring cables (tested accessories) cor-
respond to CAT III 1000 V and are approved for a current of 10 A.
4. Description of appliance tester
See figure 1: Appliance front face
The display and operator control elements specified in Fig. 1 are designated
as follows:
Digital display, for the measurement value, bar graph display, overranging
display,
Polarity indication,
Battery status indication, appears when the battery is discharged,
Button (yellow), display lighting,
ZERO key, for zero balance or differential measuring
MIN/MAX button, storage of the highest and lowest measured values ,
Button PEAK, peak value storage,
Rotary switch, for selecting the measurement function,
Jack (positive
1
), for V, Ω
… 16 …


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