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Technical data
6.5 Calibrating the device
5191 / 07/2021 en
BENNING CM 2-1
39
7
Technical data
Protection class
II (double or reinforced insulation)
Contamination level
2
Protection category
(DIN VDE 0470-1, IEC / EN 60529)
IP 30
1st digit: 3 = protection against access to
dangerous parts and protection against solid
impurities (diameter >2.5 mm)
2nd digit: 0 = no protection against water
Overvoltage category
• CAT III 600 V to earth
• CAT IV 300 V to earth
Housing dimensions
(length x width x height)
188 mm x 56 mm x 28 mm
Max. clamp opening
27 mm
Weight (batteries included)
0.225 kg
Battery life (alkaline batteries)
approx. 100 h (without background lighting)
Safety measuring lines (item no.: 044145)
Standard
IEC / DIN EN 61010‑031 (VDE 0411‑031)
Overvoltage category
(only applies to the safety measuring lines,
additionally observe the limitations of the
device)
• With attachable protective cap:
– CAT III 1 000 V to earth
– CAT IV 600 V to earth
• Without attachable protective cap:
– CAT II 1 000 V to earth
Protection class
II (double or reinforced insulation)
Contamination level
2
Max. rated current
10 A
Length
1.4 m
Operation
Max. barometric altitude
2 000 m
Operating temperature
0 … 50 °C (do not permanently expose the
device to sunlight)
Max. relative air humidity
80 % RH (0 … 30 °C),
75 % RH (30 … 40 °C),
45 % RH (40 … 50 °C),
non-condensing
Storage
(remove the batteries from the device)
Ambient temperature
-20 … 60 °C (do not permanently expose the
device to sunlight)
Max. relative air humidity
80 % RH
Table 16:
Technical data