User manual

MD 9250 Clamp Meter Series Specifications
18
AC+DC Voltage
RANGE Accuracy
DC, 50Hz ~ 400Hz
6.000V, 60.00V,
600.0V & 1000V
1.4% + 7d
Input Impedance: 10M, 50 pF nominal
AutoCheck_ACV
RANGE Accuracy
1)
50Hz ~ 60Hz
6.000V, 60.00V,
600.0V & 1000V
1.5%+5d
AutoCheck
TM
Lo-Z ACV Threshold:
> 1.5V(50/60Hz) nominal
AutoCheck
TM
Lo-Z ACV Input Impedance:
Initially approx. 2.5k, 600pF nominal; Impedance increases abruptly within a fraction
of a second as display voltage is above 50V (typical). Ended up impedances vs display
voltages typically are:
10k @100V
60k @300V
200k @600V
420k @1000V
VFD_ACV (with Low Pass Filter )
RANGE Accuracy
1)
10Hz ~ 20Hz
6.000V, 60.00V,
600.0V & 1000V
4%+80d
20Hz ~ 200Hz
6.000V, 60.00V,
600.0V & 1000V
2%+60d
200Hz - 400Hz
2)
6.000V, 60.00V,
600.0V & 1000V
7%+80d
1)
Not specified for fundamental frequency > 400Hz
2)
Accuracy linearly decreases from 2% + 50d @ 200Hz to 7% + 80d @ 400Hz
CREST-MAX Capture Mode
Accuracy: Specified accuracy plus 250 digits for changes > 5ms in duration
Ohm & AutoCheck
TM
_Ohm
1)
RANGE Accuracy
600.0, 6.000K, 60.00K
0.5%+5d
600.0K
0.8%+5d
6.000M
1.2%+5d
40.00M
2.3%+5d
Open Circuit Voltage: 0.45VDC typical