METREL MD 9250, Руководство пользователя

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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