Three phase reference standard meter

详情

2 Main Technical Specifications
2.1 Input
2.1.1 Voltage Input
Input range（V）: *0~**0
Range（V）: *0, **0, **0, **0
Overload voltage（V）: **0
Load: ≤ 0.5mA (**0V)
2.1.2 Current Input
Input range(A): 0.*1~**0
Range(A) :**0, *0, *5, *0, 5, 2.5, 1, 0.5, 0.*5, 0.1, 0.*5, and 0.**5
Overload current（A）: **0
Load : ≤0.3mΩ（**0A~2A）
      ≤0.4Ω（1A~0.*1A）
2.2 Output
2.2.1Pulse Frequency
fH=CH. p/***0       （Hz）
fL=fH/****0         （Hz）         
2.2.2 Level:TTL
2.3Accuracy
2.3.1Class: 0.*5, 0.1
2.3.2 Accuracy of Power Measurement
Active Power: 0.*5%, 0.1%（PF≥0.5）
Reactive Power: 0.1%, 0.2%（PF≥0.5）
2.3.3 Accuracyof Energy
Watthour: 0.*5%, 0.1%（PF≥0.5）
Varhour: 0.1%, 0.2%（PF≥0.5）
2.4 Display
2.4.1Content of Display 
Three-phaseVoltage:U1, U2, U3
3P4W: U1, U2, U3 denote Uan, Ubn, Ucn
3P3W: U1, U2, U3 denote Uab, Ubc, Uca
Three-phase Current: Ia,Ib,Ic(A)
Active:P(W)
Apparent Power:S(VA)
Reactive:Q(VA)
Power Factor:Pf *1.***0~1.***0
Phase Angle:θ（0o~**0o）
Frequency:F（Hz）
2.4.2Digit of Display:5 Digits
2.5Power supply:**0V±*0%, *0Hz±5%  Power consumption:About *5VA
2.6Preheating time:*0 Minutes
2.7Working Environment
Temperature:5℃~*0℃
Relative Humidity:≤ *5%
No corrosive gases
2.8Dimensions:**2mm×**0mm×**3mm
2.9Weight:9kg