METREL MD 9070 Manuel D'utilisation page 24

MD 9070 Insulation/Continuity Digital Multimeter
VFD AC Voltage
Range
10 Hz ~ 45 Hz
600,0 V
45 Hz ~ 200 Hz
600,0 V
200 Hz ~ 440 Hz
600,0 V
1)
Unspecified for fundamental frequency > 440 Hz.
2)
Accuracy linearly decreases from 2% + 5d @ 200 Hz to 7% + 5d @ 440 Hz.
Input impedance: 10 MΩ, 110 pF nominal.
DC Voltage
Range
6,000 V, 60,00 V, 600,0 V
1000 V
Input impedance: 10 MΩ, 110 pF nominal.
Ohms
Range
600,0 Ω
6,000 kΩ, 60¸,00 kΩ, 600,0 kΩ
6,000 MΩ
60,00 MΩ
Open Circuit Voltage: < 1,5 VDC typical.
Audible Continuity Tester
Audible threshold: between 20 Ω and 200 Ω.
Response time < 30 ms.
Diode Tester
Range
2,000 V
Earth Continuity Test
Range
2,000 Ω
20,00 Ω
Open Circuit Voltage: > 4 VDC.
Live Circuit Detector: Inhibit test if terminal voltage > 2V prior to initialization of test.
1)
Specified measuring range at percentage operating uncertainty B[%] ≤ ±30% per
IEC/EN61557-4 requirements.
Accuracy Test Current (Typical) Open Circuit Voltage
1,5% + 4d 0,5 mA
Test Current Accuracy
> 200 mA 1,5%+3d
> 90 mA 1,5%+3d
1)
Accuracy
4% + 5d
2% + 5d
2)
7% + 5d
Accuracy
0,2% + 3d
0,3% + 3d
Accuracy
0,9% + 5d
0,9% + 2d
1,2% + 3d
3,0% + 6d
< 2,8 VDC
Measuring Range
0,015 Ω ~ 2,199 Ω
0,15 Ω ~ 21,99 Ω
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Specifications
1)