Amprobe BDM40-UA Bench-Digital-Multimeter - Manual (Page 26)

25
Electrical
The electrical specifications apply for an operating temperature of 18°C to 28°C (64.4°F to 82.4°F), relative
humidity up to 90%, and a 1- year calibration cycle.
DC VOLTS:
RANGE RESOLUTION ACCURACY for 1 year
± 200 mV
± 2V
± 20V
± 200V
± 1000V
10µV
100µV
1 mV
10mV
1000mV
± (0.03% of reading + 4 digits).
Input Impedance: 10M Ω in parallel with < 100pF, all ranges.
Normal Mode Rejection Ratio: >60dB at 60Hz or >50dB at 50Hz.
Common Mode Rejection Ratio: >90 dB at dc, 50Hz or 60Hz (1 k Ω unbalanced)
Common Mode Voltage (Maximum): 500V DC or peak AC.
Response Time to Rated Accuracy: 1 second maximum.
Maximum Input: 1200V DC or peak AC continuous (less than 10 seconds duration on both the 200mV and 2V
ranges).
AC VOLTS (True RMS Responding, AC or AC + DC):
Voltage Readout Accuracy: ± (% of reading + no. of digits), between 5% of range and full range.
INPUT
VOLTAGE
RESOL
UTION
Range 20Hz** 45Hz 1kHz 2kHz 10kHz 20kHz 50kHz
10mV-200mV 10
μV
200mV :
0.1V-2V 100
μV
2V 1 % 0.5% 1% 2% 5%
1V-20V 1mV 20V +15 +15 +15 +15 +15
10V-200V 10mV 200V :
100V-1000V 100mV 1000V NOT SPECIFIED
** Typically 3 to 5 digits of rattle will be observed at full scale at 20Hz .