Benning MM 5, Operating Manual

Page: 15 / 63

10/ 2004
BENNING MM 5 13

3 V 1 mV ± (0.4 % of r 1 digit) 1000 V
DC
30 V 10 mV ± (0.25 % of r 1 digit) 1000 V
DC
300 V 100 mV ± (0.25 % of r 1 digit) 1000 V
DC
1000 V 1 V ± (0.25 % of r 1 digit) 1000 V
DC
7.2 AC voltage range
The input resistance is 10 MΩ parallel 100 pF. The measurement reading is
obtained by rectification of the average reading and displayed as the actual
value.
Measuring range Resolution
Measurement accuracy
in frequency range 40 Hz - 1000 Hz
Overload
protection
3 V 1 mV
± (1.3 % of r 5 digits) in frequency
range 40 Hz - 500 Hz for 3 V range
750 V
eff
30 V 10 mV ± (1.3 % of r 5 digits)
750 V
eff
300 V 100 mV ± (1.3 % of r 5 digits) 750 V
eff
750 V 1 V ± (1.3 % of r 5 digits)
750 V
eff
7.3 DC ranges
Overload protection:
- 1 A (500 V) fuse, rapid on mA input
- 10 A (500 V) fuse, rapid on 10 A input
Measuring range Resolution Measurement accuracy Voltage drop
30 mA 10 µA ± (1.5 % of r 2 digits) 200 mV max.
300 mA 100 µA ± (1.5 % of r 2 digits) 2 V max.
10 A 10 mA ± (2.0 % of r 2 digits) 2 V max.
7.4 AC ranges
The measurement reading is obtained by average-reading rectification and
displayed as the actual value. Overload protection:
- 1 A (500 V) fuse, rapid at mA input
- 10 A (500 V) fuse, g, rapid at mA input at 10 A input
Measuring range Resolution
Measurement accuracy
in frequency range 40 Hz - 1000 Hz
Voltage drop
30 mA 10 µA ± (2.0 % of r 5 digits) 200 mV
eff
max.
300 mA 100 µA ± (2.0 % of r 5 digits)
2 V
eff
max.
10 A 10 mA ± (2.5 % of r 5 digits) 2 V
eff
max.
7.5 Resistance ranges
Overload protection for resistance measurements: 600 V
eff
Measuring
range
Resolution Measurement accuracy
Max.
meas. current
Max. no-load
voltage
300 Ω 0,1 Ω ± (1.0 % of r 4 digits) 700 µA 1,5 V
3 kΩ 1 Ω ± (0.7 % of r 3 digits) 200 µA 1,5 V
30 kΩ 10 Ω ± (0.7 % of r 3 digits) 40 µA 1,5 V
300 kΩ 100 Ω ± (0.7 % of r 3 digits) 4 µA 1,5 V
3 MΩ 1 kΩ ± (1.0 % of r 3 digits) 400 nA 1,5 V
30 MΩ 10 kΩ ± (2.0 % of r 5 digits) 40 nA 1,5 V
7.6 Diode and continuity test
The stated measurement accuracy applies in the range between 0.4 and
0.8 V.
Overload protection for diode tests: 600 V
eff
The integrated buzzer sounds at resistances R < 30 Ω.