UNI-T UT268B, Operating Manual

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6
Length of test lead
length
1.5 m
Length of current
clamp lead
2 m
Operating
temperature and
humidity
-10°C~40°C; 80%RH
Storage temperature
and humidity
-10°C~60°C; 70%RH
Input impedance
2 M (the input impedance of testing voltage)
Withstand voltage
Apply 1000V/50Hz sinusoidal AC voltage between
voltammeter circuit and casing for one minute.
Insulation
100M (between voltammeter circuit and casing)
Structure
Double-insulated
Applicable safety
regulations
IEC61010-1 CAT III 600V, IEC61010-031, IEC61326,
Pollution Class 2
4. Performance Specifications
Type Range Resolution Basic error
Voltage
AC 0.00V~9.99V 0.01V ± (1.5%rdg+3dgt)
AC 10.0V~99.9V 0.1V ± (1.5%rdg+3dgt)
AC 100V~600V 1V ± (1.5%rdg+3dgt)
Current
AC 0.0mA~9.9mA 0.1mA ± (1.5%rdg+3dgt)
AC 10.0mA ~99.9mA 0.1mA ± (1.5%rdg+3dgt)
AC 100mA ~999mA 1mA ± (1.5%rdg+3dgt)
1.00A~10.00A 10mA ± (1.5%rdg+3dgt)
10.0A~100.0A 0.1A ± (1.5%rdg+3dgt)
100A~1000A 1A ± (1.5%rdg+3dgt)
Phase
0.0°~360° 0.1° ±1°
Frequency
45Hz~65Hz 0.01Hz ±0.1Hz
Power factor
-1~+1 0.001 ±0.03
Note 1: The phase error is ±3° under operating condition (For current amplitude
below 30mA, the phase error will be doubled).
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Current
Voltage range
10.0V~100.0V 100V~600V
Current
range
10.0mA~99.9mA
0.0100 KW 0.0600 KW
100mA~999mA
0.1000 KW 0.6000 KW
1A~9.99A
1.0000 KW 6.0000 KW
10A~99.9A
10.000 KW 60.000 KW
100A~1000A
100.000 KW 600.000 KW
Accuracy:
± (3%+3dgt)
Resolution:
10.000 KW: 0.0001 KW
10.000 KW: 0.001 KW