KYORITSU KEW 1061 - Accuracy

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 DC500mV 0.01mV
0.02+2
2400mV 0.1mV
5V 0.0001V 0.025+5
10MΩ 1000V rms AC
50V 0.001V
0.03+2500V 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.