4
Measurement Characteristics
Accuracy is ±(% r number of digits) at 23°C ± 5°C, less than 80% R.H.
Temperature coefficient: 0.1 * (Specified accuracy)/°C, <18°C, >28°C
(1) DC Voltage
Range
Resolution
Accuracy
400.0V
0.1V
1000V
1V
±
(1% r 2 digits)
Input Impedance:
1M
Ω
Response Time:
< 1.5 sec.
Overload Protection:
AC/DC 1200V for 10 second.
(2) AC Voltage
Range
Resolution
Accuracy (Sine Wave)
400.0V
0.1V
1000V
1V
±(1.5% r 5 digits)
Input Impedance:
1M
Ω
// less than 100pF
Frequency Response:
45 ~ 500Hz (Sine Wave)
AC Conversion Type:
RMS sensing, RMS indication
Additional Accuracy by Crest Factor (C.F.):
Add 6.0% for C.F. 1.0 ~ 2.0.
Add 7.0% for C.F. 2.0 ~ 2.5.
Add 9.0% for C.F. 2.5 ~ 3.0.
Max. Crest Factor:
2.0 for 4000 ~ 3000 digits
3.0 for 3000 ~ 0 digits
Response Time:
< 2 sec. when the LCD reading is bigger than 1000 digits in each range.
Overload Protection:
AC/DC 1200V for 10 second.
(3) DC
μ
A
Range
Resolution
Accuracy
400.0
μ
A
0.1
μ
A
1000
μ
A
1
μ
A
±
(1% r 2 digits)
Response Time:
< 1.2 sec.
Overload Protection:
AC/DC 1200V for 10 second. AC/DC 200mA for 10 second.