LIMIT 400 - DC Voltage Measurement; AC Voltage Measurement; DC Current Measurement

A. DC voltage
Range Resolution
Accuracy
Overload protection
UT39A UT39B UT39C
200mV 100µV
±(0.5%+1)
250V DC or AC rms
2V 1mV
1000V DC
or 750V AC
20V 10mV
200V 100mV
1000V 1V ±(0.8%+2)
Remark:
• Input impedance: 10MΩ.
B. AC voltage
Range Resolution
Accuracy
Overload protection
UT39A UT39B UT39C
2V 1mV
±(0.8%+3)
1000V DC
or 750V AC
20V 10mV
200V 100mV
750V 1V ±(1.2%+3)
Remark:
• Input impedance: 10MΩ.
• Frequency response: 40Hz ~ 400Hz.
• Display effective value of sine wave (mean value response).
C. DC current
Range Resolution
Accuracy
Overload protection
UT39A UT39B UT39C
20µA 0.01µA ±(2%+5)
0.315A. 250V
fast type fuse,
ø5x20mm
200µA 0.1µA ±(0.8%+3)
2mA 1µA
±(0.8%+1)
±(0.8%+1)
20mA 10µA
200mA 100µA ±(1.5%+1)
10A/20A 10mA ±(2%+5) Un-fused
Remark:
• UT39A/UT39B-At 10A range: For continuous measurement ≤10 seconds and interval not less than 15
minutes.
• UT39C-At 20A range: For continuous measurement ≤10 seconds and interval not less than 15 minutes.
• Measurement voltage drop: Full range at 200mV.
Illustrations