14
5.1.16 Appliance dimensions:
(L x W x H) = 158 x 76 x 38 mm without rubber protection frame
(L x W x H) = 164 x 82 x 44 mm with rubber protection frame
Appliance weight:
240 g (MM 8), 265 g (MM 9/ 10) without rubber protection frame
340 g (MM 8), 365 g (MM 9/ 10) with rubber protection frame
5.1.17
The safety measuring cables are designed in 4 mm plug-in type technol-
ogy. The safety measuring cables supplied are expressly suited for the
rated voltage and the rated current of the BENNING MM 8/ 9/ 10.
5.1.18 The BENNING MM 8/ 9/ 10 is protected by a rubber protection frame
against mechanical damage. The rubber protection frame allows the
BENNING MM 8/ 9/ 10 to be set up or hung up during the measure-
ment.
5.1.19 The BENNING MM 10 features at its head an optical infrared RS-232
interface for accepting the IR adapter on the RS-232 cable. The
optical infrared RS-232 interface is used for the galvanic separation of
the measuring signal and the transmission of measuring data to a PC/
laptop.
6. Environment conditions
- The BENNING MM 8/ 9/ 10 is intended for making measurements in dry
environment.
- Maximum barometric elevation for making measurements: 2000 m,
- Overvoltage category/ Siting category: IEC 60664-1/ IEC 61010-1 → 600 V
category IV; 1000 V category III,
- Contamination class: 2,
- Protection Class: IP 30 (DIN VDE 0470-1 IEC/ EN 60529)
IP 30 means: Protection against access to dangerous parts and protection
against solid impurities of a diameter > 2.5 mm, (3 - first index). No protec-
tion against water, (0 - second index).
- Operating temperature and relative humidity:
For operating temperature from 0 °C to 30 °C: relative humidity less than 80 %
For operating temperature from 31 °C to 40 °C: relative humidity less than
75 %
For operating temperature from 41 °C to 50 °C: relative humidity less than 45 %
- Storage temperature: The BENNING MM 8/ 9/ 10 can be stored at any
temperature in the range from - 20 °C to + 60 °C (relative humidity from 0
to 80 %). The battery should be taken out of the instrument for storage.
7. Electrical specifications
Note: The measuring precision is specified as the sum of
- a relative fraction of the measured value and
- a number of digits (counting steps of the least significant digit).
This specified measuring precision is valid for temperatures in the range from
18 °C to 28 °C and relative humidity less than 80 %.
7.1 Direct voltage ranges
The input resistance amounts to 10 MΩ (within the 400 mV range 1 GΩ).
Measuring
range
Resolution Meas. precision
Overload
protection
600 mV 100 µV ± (0.5 % of the measured value + 2 digits) 1000 V
DC
6 V 1 mV ± (0.5 % of the measured value + 2 digits) 1000 V
DC
60 V 10 mV ± (0.5 % of the measured value + 2 digits) 1000 V
DC
600 V 100 mV ± (0.5 % of the measured value + 2 digits) 1000 V
DC
1000 V 1 V ± (0.5 % of the measured value + 2 digits) 1000 V
DC
7.2 Alternating voltage ranges
The input resistance amounts to 10 MΩ parallel 100 pF.
Measuring
range
Resolution
Meas. precision
*1
within the frequency
range 50 Hz - 500 Hz
Overload
protection
600 mV 100 µV
± (0.9 % of the measured value + 5 digits)
*2
750 V
eff
6 V 1 mV
± (0.9 % of the measured value + 5 digits)
*2
750 V
eff
60 V 10 mV
± (0.9 % of the measured value + 5 digits)
*2
750 V
eff
600 V 100 mV
± (0.9 % of the measured value + 5 digits)
*2
750 V
eff
750 V 1 V
± (0.9 % of the measured value + 5 digits)
*2
750 V
eff
11/ 2006
BENNING MM 8/ 9/ 10
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