Benning MM 3 - Alternating current ranges; Resistance ranges; Diode and Continuity Testing; Capacitance ranges

10/ 2004 BENNING MM 3 13
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- 16 A (500 V) fast blow fuse on 20 A input terminal
Current measurements in the 20 A range must last for 30 seconds maximum
followed by a 3 minute break, 10 A continous.
Range Resolution Accuracy Burden Voltage
200 µA 0,1 µA ± (1,0 % of reading + 2 digits) 600 mV max.
2 mA 1 µA ± (1,0 % of reading + 2 digits) 600 mV max.
20 mA 10 µA ± (1,0 % of reading + 2 digits) 600 mV max.
200 mA 100 µA ± (1,0 % of reading + 2 digits) 900 mV max.
20 A 10 mA ± (2,0 % of reading + 3 digits) 900 mV max.
7.4 Alternating current ranges
The measurement value is arrived at by average sensing and is displayed as
the RMS value.
Overload protection:
- 1 A (500 V) fast blow fuse on µA/ mA input terminal
- 16 A (500 V) fast blow fuse on 20 A input terminal
Current measurements in the 20 A range must last for 30 seconds maximum
followed by a 3 minute break, 10 A continous.
Range Resolution
Accuracy in 40 Hz - 500 Hz
frequency range
Burden Voltage
200 µA 0,1 µA ± (1,5 % of reading + 3 digits) 600 mV
rms
max.
2 mA 1 µA ± (1,5 % of reading + 3 digits) 600 mV
rms
max.
20 mA 10 µA ± (1,5 % of reading + 3 digits) 600 mV
rms
max.
200 mA 100 µA ± (1,5 % of reading + 3 digits) 900 mV
rms
max.
20 A 10 mA ± (2,5 % of reading + 5 digits) 900 mV
rms
max.
7.5 Resistance ranges
Overload protection for resistance measurements: 600 V
rms
.
Range Resolution Accuracy
Maximum
test current
Max. open
circuit voltage
200 Ω 0,1 Ω ± (0.8 % of reading + 4 digits) 2,5 mA 3,2 V
2 kΩ 1 Ω ± (0.8 % of reading + 2 digits) 200 µA 0,5 V
20 kΩ 10 Ω ± (0.8 % of reading + 2 digits) 40 µA 0,5 V
200 kΩ 100 Ω ± (0.8 % of reading + 2 digits) 4 µA 0,5 V
2 MΩ 1 kΩ ± (0.8 % of reading + 2 digits) 400 nA 0,5 V
20 MΩ 10 kΩ ± (2 % of reading + 5 digits) 40 nA 0,5 V
7.6 Diode and Continuity Testing
The accuracy indicated below is valid in the range of 0.4 V to 0.9 V.
Overload protection for diode testing: 600 V
rms
.
The built-in buzzer sounds if the resistance R falls below 50 Ω.
Range Resolution Accuracy
Maximum
test current
Max. open
circuit voltage
1 mV ± (1,5 % of reading + 5 digits) 1,5 mA 3,2 V
7.7 Capacitance ranges
Conditions: Capacitors must be discharged before testing and then connected
to the meter according to the indicated polarity.