Amprobe AM91RS Digital-Multimeter - Manual (Page 25)

24
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