UNI-T UT256A Operating Manual page 11

UT256A User Manual
1) AC Current/Frequency
Range
Resolution
200.0A 0.1A
Frequency:
0.01Hz
50Hz~60Hz
Caution:
AC current accuracy guarantee: 5%~100% of range
Current frequency response: 50Hz~60Hz
When the measured current is ≥ 200A, the indicator
turns red to remind users.
For frequency measurement, the input amplitude should
be >20A.
19
Accuracy
0.2A ≤ACA ≤2.0A:
± (1.8%+2)
2.0A <ACA ≤5.0A:
± (1.8%+3)
5.0A <ACA ≤200.0A:
± (1.8%+5)
± (0.1%+5)
UT256A User Manual
2) Voltage
AC voltage/frequency
Range
Resolution
6.000V 0.001V
60.00V 0.01V
600.0V 0.1V
1000V 1V
Frequency:
0.01Hz~0.01kHz
10Hz~10kHz
DC voltage
Range
Resolution
6.000V 0.001V
60.00V 0.01V
600.0V 0.1V
1000V 1V
Caution:
For frequency measurement, the input amplitude should
be >8V RMS.
Input impedance: About 10MΩ
Maximum input voltage: 1000V
Voltage frequency response: 45Hz~400Hz, true RMS
display
Voltage accuracy guarantee: 5%~100% of range
20
Accuracy
± (1.2%+3)
± (0.1%+5)
Accuracy
± (0.8%+3)
± (1.0%+5)