
07/ 2016
BENNING MM 7-1
17
current will not be recognized).
5.1.9 The yellow button
switches the display illumination on. To switch it off,
press the yellow key again.
5.1.10 The function key (blue)
serves to select the secondary or third func-
tion of the rotary switch position.
Switch position
Function
Hz
→
Hz
→
ac+dc
→
→
ac+dc
Ω
Ω
→
→
→
Hz
→
→
ac+dc
→
Hz
→
→
ac+dc
°C
→
°F
5.1.11 The nominal measurement rate of the BENNING MM 7-1 is 3 measure-
ments per sec. for the digital display.
5.1.12 The BENNING MM 7-1 is switched on and off by the rotating switch
.
Switch-off position “OFF”.
5.1.13
The
BENNING MM 7-1 switches off automatically after approx. 20
minutes (
APO
,
A
uto-
P
ower-
O
ff). It switches back on again when the
HOLD key (or another) is pressed. Deactivate the automatic switch-off
by pressing the function key (blue)
and simultaneously switching the
BENNING MM 7-1 ON from the switch position “OFF”.
5.1.14 Check the segments of the digital display by pressing the “Smart
HOLD” key
and simultaneously switching the BENNING MM 7-1 ON
from the switch position “OFF”.
5.1.15 Temperature coefficient of measurement value: 0.15 x (stated meas-
urement accuracy)/ °C < 18 °C or > 28 °C relative to the value at the
reference temperature of 23 °C.
5.1.16 The BENNING MM 7-1 is powered by one 9-V block battery (IEC 6 LR 61).
5.1.17 The battery display
permanently shows the remaining battery capac-
ity over a maximum 3 segments.
As soon as all segments in the battery symbol have gone off
and the battery symbol blinks please exchange the battery for
a new battery immediately in order to avoid a risk through false
measurements for people.
5.1.18 The life span of a battery is approx. 180 hours (alkali battery).
5.1.19 Appliance dimensions:
(L x W x H) = 180 x 88 x 33.5 mm without protective rubber holster
(L x W x H) = 190 x 94 x 48 mm with protective rubber holster
Weight:
320 g without protective rubber holster
460 g with protective rubber holster
5.1.20 The safety measuring leads are expressly suitable for the rated voltage
and power of the BENNING MM 7-1.
5.1.21 The BENNING MM 7-1 is protected against mechanical damage by a
protective rubber holster
. The protective rubber holster
makes
it possible to suspend the BENNING MM 7-1 during the measuring
process or to stand it upright.
6. Ambient conditions
- The BENNING MM 7-1 is designed only for measuring in dry surroundings,
- Maximum barometric height during measurement: 2000 m.
- Overvoltage category / setting category: IEC 60664/ IEC 61010-1 → 600 V
cate gory IV; 1000 V category III.
- Degree of contamination: 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:
At operating temperatures of 0 °C to 30 °C: relative humidity under 80 %.