User’s Manual Smart Digital Power Meter
Instruments.uni-trend.com
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2.2 Technical Index
* f represent the frequency of input signal in the below table.
Model
Display
VA broken code display, 5 digits
，
four windows
Display Update Rate
0.1S, 0.25S, 0.5S, 1S, 2S, 5S
Measuring Object
V, A, W, PF/HZ
Measuring Mode
AC, DC, AC+DC (T-RMS)
Measuring Range of Voltage
3.0V-600V
Voltage Range
75V/150V/300V/600V
Accuracy of Voltage
DC
：
±(0.4% 0.1 range+1 character)
40Hz≤f≤66Hz
：
±(0.4% 0.1 range+1 character)
66Hz
＜
f≤400Hz
：
±(0.3% 0.2 range+1 character)
Voltage Resolution
0.01V/0.1V
Measuring Range of Current
0.5mA-20.0A
Current Range
500mA/2A/8A/20A
Accuracy of Current
DC
：
±(0.4% 0.1 range+1 character)
40Hz≤f≤66Hz
：
±(0.4% 0.1 range+1 character)
66Hz
＜
f≤400Hz
：
±(0.3% 0.2 range+1 character)
Current Resolution
0.0001A /0.001A
Switching Range
Auto/Manual
Power Range
1W~12kW
Accuracy of Power
DC
：
±(0.4% 0.1 range+1 character)
40Hz≤f≤66Hz
：
±(0.4% 0.1 range+1 character)
66Hz
＜
f≤400Hz
：
±(0.3% 0.2 range+1 character)
Power Resolution
0.001W/0.01W/0.1W/1W
Power Factor Range
-1.000~1.000
Accuracy of Power Factor
±(0.004 + 0.001* r1 character)
Frequency Range
DC, 40Hz
～
400Hz
Accuracy of Frequency
±(0.1% r1 character)
Auto Range
Voltage Range
Increasing
Urms exceeds the measuring range about 110% ( CF < 2 )
