Amprobe AC75B - Manual (Page 13)

8
DC/AC VOLTS
Range DC Accuracy AC Accuracy
4.000 V
40.00 V
400.0 V
1000 V dc/750 V ac
±(0.9 % + 2 dgt)
±(1.5 % + 5 dgt)
50 Hz to 500 Hz
Overvoltage Protection: DC 1000 V or AC 750 V rms
Input Impedance: 10 M
Ω//less than 100 ρF
CMRR/NMRR: (Common Mode Rejection Ratio/Normal Mode Rejection
Ratio)
V ac
CMRR
> 60 dB at DC, 50 Hz/60 Hz
V dc
CMRR
> 100 dB at DC, 50 Hz/60 Hz
NMRR
> 50 dB at DC, 50 Hz/60 Hz
AC Conversion Type: Average sensing rms indication.
Resistance
Range Accuracy
2 400.0
Ω ±(1.0 % + 2 dgt)
4.000 k
Ω
40.00 k
Ω
400.0 k
Ω
±(0.7 % + 2 dgt)
4.000 M
Ω ±(1.0 % + 2 dgt)
1 40.00 M
Ω ±(1.5 % + 2 dgt)
Overload Protection: 1000 V dc/750 V ac
Open Circuit Voltage: -1.3 V approx.
1 <100 dgt rolling
2 10 dgt rolling