KYORITSU 1062 - Manual (Page 12)

70
3.2 Accuracy
Test conditions:
Temperature and humidity: 23±5ºC at 80%RH or less
Accuracy: ±(% of reading + digits)
Note: Each response time is a value to rated accuracy within selected range.
DC Voltage Measurement V
Range Resolution
Accuracy
Input Resistance
Maximum
Input Voltage KEW1061, KEW1062
50mV 0.001mV 0.05+10
Approx. 100MΩ 1000V DC 500mV 0.01mV
0.02+2
2400mV 0.1mV
5V 0.0001V 0.025+5
10MΩ 1000V rms AC
50V 0.001V
0.03+2 500V 0.01V
1000V 0.1V
NMRR: 80dB or more 50/60Hz ±0.1%
(70dB or more 50/60Hz ±0.1% when 50mV Range)
CMRR: 100dB or more 50/60Hz (Rs=1kΩ)
Response time: 0.3 sec max.
AC Voltage Measurement [RMS] V
KEW1061
AC Coupling, Rms-value detection, Crest factor*: <3
Range Resolution
Accuracy Input
Impe-
dance
Maximum
Input
Voltage
10 to 20Hz 20Hz to
1kHz
1k to
10kHz
10k to
20kHz
500mV 0.01mV
1.5+30 *1 0.7+30 *1 2+50 *2
11MΩ
<50pF
1000V
rms AC
1000V DC
5V 0.0001V
50V 0.001V
10MΩ
<50pF
500V 0.01V
1000V * 0.1V *2 *2 3+30 *2 -
*: Crest factor <1.5 at 1000V range
Accuracy *1: At 5 to 100% of range, *2: At 10 to 100% of range
CMRR: 80dB or more DC to 60Hz (Rs=1kΩ)
Response time: 1 sec max.