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02/ 2020
BENNING MM 5-1/ 5-2
26
7.10 Temperature ranges °C/ °F
(BENNING MM 5-2)
Overload protection: 600
V
AC/ DC
Measuring range
OL indication
Resolution
Measurement accuracy*
-40 °C - +400 °C
- 44 °C - +440 °C
0.1 °C
± (1 % of reading + 20 digits)
-40 °F - +752 °F - 44 °F - +827.2 °F
0.1 °F
± (1 % of reading + 36 digits)
* The measuring accuracy of the K-type temperature sensor has to be added
to the specified measuring accuracy.
Wire temperature sensor (type K):
Measuring range: - 60 °C to 200 °C
Measurement accuracy: ± 2 °C
The measuring accuracy applies to stable ambient temperatures < ± 1 °C. After
a change of the ambient temperature of ± 2 °C, the measuring accuracy data
will apply after 2 hours.
7.11 PEAK HOLD for AC V/ AC A
Please add ± 150 digits to the specified measuring accuracy.
Square-wave signals are not specified.
8. Measuring with the BENNING MM 5-1/ MM 5-2
8.1 Preparation for measuring
Store and use the BENNING MM 5-1/ MM 5-2 only under the correct tempera-
ture conditions stated. Always avoid longer exposure to sunlight.
- Check the rated voltage and rated current stated on the safety measuring
leads. The safety measuring leads supplied with the unit are suitable for the
rated voltage and current of the BENNING MM 5-1/ MM 5-2.
- Check the insulation of the safety measuring leads. If the insulation is dam-
aged in any way, do not use the leads.
- Check the continuity of the safety measuring leads. If the conductor in the
safety measuring lead is interrupted, do not use the leads.
- Before selecting another function with the rotating switch
, always discon-
nect the safety measuring leads from the measuring point.
- Sources of strong current in the vicinity of the BENNING MM 5-1/ MM 5-2
may cause unstable or incorrect readings.
8.2 Voltage and current measurement
Always observe the maximum voltage to earth potential!
Electrical hazard!
The maximum voltage which may be applied to the sockets
- COM socket
- socket for V, Ω,
, Hz (+) (BENNING MM 5-1) or for V, Ω,
, Hz, μA,
(BENNING MM 5-2)
- socket for 10 A range
L
(BENNING MM 5-2)
of the BENNING MM 5-1/ MM 5-2 to earth is 600 V CAT III.
8.2.1 Voltage measurement
- With the rotating switch
, select the desired function ( , ,
) on the
BENNING MM 5-1/ MM 5-2.
- Connect the black safety measuring lead to the COM socket
on the
BENNING MM 5-1/ MM 5-2.
-
Connect the red safety measuring lead to the socket
on the
BENNING MM 5-1/ MM 5-2.
-
Connect the safety measuring leads to the measuring points. Read the measure-
ment value displayed in the digital display
of the BENNING MM 5-1/ MM 5-2.
See fig. 2:
DC-voltage measurement
See fig. 3:
AC-voltage measurement
8.2.2 Current measurement (BENNING MM 5-2)
- With the rotating switch
, select the desired range and function (A AC/DC
or µA DC) on the BENNING MM 5-2.
- Connect the black safety measuring lead to the COM socket
on the
BENNING MM 5-2.
- Connect the red safety measuring lead to the jack for the A range
L
(up to
10 A AC/DC) or to the jack for V, Ω, Hz, μA DC,
,
(up to 4000 μA
DC) of the BENNING MM 5-2.
- In the (A AC/DC) function, select the current type to be measured – direct
current (DC) or alternating current (AC) – by pressing the key (blue)
4
of
the BENNING MM 5-2.
- Connect the safety measuring leads to the measuring points. Read the meas-
urement value displayed in the digital display
of the BENNING MM 5-2.
See fig. 4:
DC-current measurement
