Instructions

4.3 Measuring ranges
Device description
5191 / 07/2021 enBENNING CM 2-124
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