Device description
4.3 Measuring ranges
5235 / 05/2022 en
BENNING MM 7-2
29
4.3.3
Resistance ranges
Overload protection: 1 000 V‑AC / V‑DC
Measuring range
Resolution
Measuring accuracy
1)
600 Ω
0.01 Ω
±(0.085 % + 10 digits)
6 kΩ
0.0001 kΩ
±(0.085 % + 4 digits)
60 kΩ
0.001 kΩ
±(0.085 % + 4 digits)
600 kΩ
0.01 kΩ
±(0.15 % + 4 digits)
6 MΩ
0.0001 MΩ
±(1.5 % + 5 digits)
60 MΩ
0.001 MΩ
±(2.0 % + 5 digits)
±(2.5 % + 5 digits) at >50 MΩ
Table 14:
Resistance ranges (Ω)
1)
Temperature coefficient (at -20 ... 18 °C or 28 ... 55 °C): 0.2 [1/°C] x specified measuring
accuracy x difference to reference temperature range [°C]
• Open-circuit voltage: <1.3 V‑DC (<1.5 V‑DC in the 600 Ω range)
• Testing current: approx. 0.1 μA in the 6 MΩ range and approx. 0.01 μA in the 60 MΩ range
4.3.4
Continuity test
Overload protection: 1 000 V‑AC / V‑DC
Measuring range
Resolution
Measuring accuracy
600 Ω
0.01 Ω
±(0.085 % + 10 digits)
Table 15:
Continuity test
• The integrated buzzer sounds and the display illumination flashes at a resistance lower than
100 … 420 Ω.
• Response time: <100 μs
4.3.5
Diode test
Overload protection: 1 000 V‑AC / V‑DC
Measuring range
Resolution
Measuring accuracy
3.0 V
0.1 mV
±(1.0 % + 20 digits)
Table 16:
Diode test
• Open-circuit voltage: <3.1 V‑DC; testing current: approx. 0.35 mA
• Forward voltage <0.85 V: Brief acoustic signal of the buzzer; forward voltage <0.1 V: Long
acoustic signal of the buzzer
• Optical indication: Display illumination
