4.3 Measuring ranges
Device description
5191 / 07/2021 en
BENNING CM 2-1
24
4.3.2
Current ranges
AC ranges (A‑AC)
Overload protection: 400 A‑AC / A‑DC
Measuring range
Resolution
Measuring accuracy
15 … 500 Hz
0.5 … 1 kHz
40 A
0.01 A
±(2.5 % + 5 digits)
±(3.5 % + 5 digits)
400 A
0.1 A
Table 8:
AC ranges (A-AC)
• Frequency range: 15 Hz … 1 kHz
DC ranges (A‑DC)
Overload protection: 400 A‑AC / A‑DC
Measuring range
Resolution
Measuring accuracy
40 A
0.01 A
±(2.5 % + 5 digits)
400 A
0.1 A
Table 9:
DC ranges (A-DC)
4.3.3
Resistance ranges
Overload protection: 600 V‑AC / V‑DC
Measuring range
Resolution
Measuring accuracy
1)
400 Ω
0.1 Ω
±(1.0 % + 5 digits)
4 kΩ
0.001 kΩ
40 kΩ
0.01 kΩ
400 kΩ
0.1 kΩ
4 MΩ
0.001 MΩ
40 MΩ
0.01 MΩ
±(1.5 % + 5 digits)
Table 10:
Resistance ranges (Ω)
1)
Before measuring, check for a possible offset by short-circuiting the measuring lines and
subtract it from the measured value.
• Measured values >10 MΩ might vary by 50 digits.
4.3.4
Continuity test
Overload protection: 600 V‑AC / V‑DC
Measuring range
Resolution
Measuring accuracy
400 Ω
0.1 Ω
±(1.0 % + 5 digits)
Table 11:
Continuity test
• The integrated buzzer sounds at a resistance lower than 20 … 200 Ω.
• Buzzer response time: <500 μs
