Amprobe AM91RS Digital-Multimeter User Manual
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AC Adapter
10 counts per 1 mVAC
Accuracy : Same as AC 400.0mV range
Input Impedance : 1000M
Ω
, 70pF nominal
Temperature coefficient : 0.1 X (Specified accuracy)/
@ 23F - 65F or 83F - 122F (0
18
or 28
50
)
Overload protection : 600VDC/VAC rms
AC Voltage
RANGE*
Accuracy
50Hz
60Hz
400.0mV, 4.000V, 40.00V, 400.0V,
750V
0.5% + 3d
40Hz
1kHz
400.0mV
0.8% + 3d
4.000V, 40.00V, 400.0V
0.8% + 4d
750V
1.0% + 4d
1kHz
5kHz
400.0mV
1.0% + 3d
4.000V, 40.00V, 400.0V
1.0% + 4d
750V
3.0%+6d**
5kHz
20kHz
400.0mV
1.5%+6d***
4.000V, 40.00V, 400.0V,
1.8%+6d***
750V
Unspec'd
20kHz
50kHz
400.0mV
2.5%+6d****
CMRR : >60dB @ DC to 60Hz, Rs=1k
Ω
Input Impedance : 10M
Ω
, 30pF nominal (100pF nominal for 400mV range)
*AC Coupled True RMS
**Specified from 10% to 100% of range
***Specified from 15% to 100% of range
****Add (30000/reading) counts below 38% of range
Overload protection : 780 Vrms / 1000Vpeak (600 VDC/VAC rms for 400mV range)
AC Current
RANGE*
Accuracy
burden Voltage
50Hz
60Hz
400.0
µ
A
1.0%+4d**
0.15mV/
µ
A
4000
µ
A
0.8%+3d
0.15mV/
µ
A