Amprobe AM91RS Digital-Multimeter - Manual (Page 24)

23
ELECTRICAL SPECIFICATIONS
Accuracy is ± (% reading digits + number of digits) or otherwise specified, at 73 F ± 41F (23 ± 5 ) & less than 75% R.H. True RMS ACV, (DC+AC)V, & ACA
accuracies are specified from 5 % to 100 % of range or otherwise specified. Maximum Crest Factor <3:1 at full scale & <6:1 at half scale, and with frequency component
within the specified frequency bandwidth for non-sinusoidal waveforms
DC Voltage
RANGE Accuracy
40.00 mV 0.5% + 6d
400.0mV, 4.000V, 40.00V, 400.0V, 1000V 0.08% + 1d
NMRR : >60dB @ 50/60Hz
CMRR : >120dB @ DC, 50/60Hz, Rs=1k
Ω
Input Impedance : 10M
Ω
, 30pF nominal (100pF nominal for 40mV & 400mV ranges)
Temperature coefficient : 0.1 X (Specified accuracy)/ @23F - 65F or 83F - 122F (0 18 or 28 50 ),
Overload protection : 780 Vrms / 1000Vpeak (600 VDC/VAC rms for 40mV & 400mV ranges)
DC Adapter
10 counts per 1 mVDC
Accuracy : 0.08%+1d
Input Impedance : 1000M
Ω
, 70pF nominal
Temperature coefficient : 0.05 X (Specified accuracy)/ @ 23F - 65F or 83F - 122F (0 18 or 28 50 )
Overload protection : 600VDC/VAC rms
(AC DC) Voltage
RANGE* Accuracy
50Hz 60Hz
4.000V, 40.00V, 400.0V, 750V 0.8% + 8d
40Hz 1kHz
4.000V, 40.00V, 400.0V 1.0% + 8d
750V 1.2% + 8d
1kHz 5kHz
4.000V, 40.00V, 400.0V 1.2% + 8d
750V 3.2% + 8d**
5kHz 20kHz
4.000V, 40.00V, 400.0V 2.0%+8d**
750V Unspec'd
CMRR : >60dB @ DC to 60Hz, Rs=1k
Ω
Input Impedance : 10M
Ω
, 30pF nominal
*DC Coupled True RMS
**Specified from 10% to 100% of range
Update Rate : 1.6 per second nominal
Overload protection : 780 Vrms / 1000Vpeak