ADCMT 7352A, Operation Manual

Page: 172 / 218

7352 Series Digital Multimeter Operation Manual
7.1.2 AC Voltage Measurement
7-4
ACV(AC+DC)-Ach
Additional error depending on the crest factor (For a non sine-wave input voltage)
Additional error to the ACV(AC+DC)-Ach measurement
Maximum allowable applied voltage
Input
terminal
Range
Maximum display Resolution
Input impedance
FAST/MED SLOW1, 2 FAST/MED SLOW1, 2
V

Hz-
COM A
200 mV 199.9 199.99 100

V 10

V
1 M
 
12%, 140 pF or less
2000 mV 1999 1999.9 1000

V 100

V
20 V 19.99 19.999 10 mV 1000

V
200 V 199.9 199.99 100 mV 10 mV
700 V 749 749.9 1000 mV 100 mV
Range
Measurement accuracy *1

(% of r digits)
20 Hz -
45 Hz
45 Hz -
100 Hz
100 Hz -
20 kHz
20 kHz -
50 kHz
50 kHz -
100 kHz
200 mV 0.38+14 0.11+14 0.1+14 0.25+15 0.7+24
2000 mV 0.38+14 0.11+14 0.1+14 0.2+15 0.6+24
20 V 0.38+14 0.11+14 0.1+14 0.2+15 0.6+24
200 V 0.38+14 0.11+14 0.1+14 0.2+15 0.6+24
700 V 0.38+10 0.11+10 0.1+10 – –
*1: For sine-wave input When RATE is set to FAST or MED, the digit term is reduced
to 1/10 of its specification.
1 - 2 0 + 0.05

(% of r % of range)
2 - 3 0 + 0.05
FAST MED

(% of reading)
20 - 45 Hz 1.24% 0.72%
45 - 100 Hz 0.06% –
Between V

Hz and COM A terminals
700 Vrms, 1000 Vpeak, 2.2

10
7
V Hz
Between COM A terminal and the chassis 500 V
Between COM A and COM B terminals 200 V