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Single Phase High Precision Reference Standard Energy Meter

Model No.︰JWT-5103A
Brand Name︰JWTRONIC
Country of Origin︰China
Unit Price︰-
Minimum Order︰-
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Product Description
 
JWT5103 single-phase standard watt-hour meter is a kind of multi-function  high-accuracy intelligent watt-hour measurement instrument which is designed with most advanced digital electronic technology and uses high-speed DSP processor as it’s core technology. It comprises of high-speed DSP processor, two-way current frequency converter, digital controller, and digital display. Its voltage and current inputs are separated by passive transformer, so it is a kind of watt-hour measurement instrument with wide current measurement range, two-way current measurement capability, high accuracy, good stability, high overloading capacity, and strong practicability.
Technical Parameters
 
 
 
 
 
Input parameters
 
 
Voltage input
Input voltage(V)
40-480
Input voltage range(v)
60、120、240、480
Overloading capacity(v)
600
Input load
≤0.5mA(480v)
 
 
Current input
Input voltage(a)
0.01-100
Input voltage(a)
100,50,25,10,5,2.5,1,0.5,、0.25,0.1,0.05,0.025
Overloading capacity(a)
150
Input load
≤0.3mΩ(100A-20A≤0.4mAΩ(10A-0.01A)
Output pulse frequency
fH=CH.p/3600(Hz) fL=fH/10000(Hz)
Output signal
TTL signal
accuracy
accuracy
Grade 0.05,0.1
 
Power accuracy
Active power accuracy
0.05%、0.1%(pf≥0.5)
Reactive power accuracy
0.1%、0.2%(pf≥0.5)
Watt-hour accuracy
Active watt-hour accuracy
0.05%、0.1%(pf≥0.5)
Reactive watt-hour accuracy
0.1%、0.2%(pf≥0.5)
Displayed contents
Voltage (U ),Current (I ),Active Power (P ),Apparent Power (S),Reactive Power (Q),Power Factor (Pf),Phase Angle
Power supply
220v±10%、50Hz±5%
Power Consumption
About 15VA
Pre-heating time
30min n
Operating environment
Temperature : 5degree-40degree
Relative Humidity
≤85%No corrosive gasses exist
Outer dimensions
482mm×420mm×140mm
Weight
About 7Kg
 
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