single phase reference standard meter

الوصف

2. TechnicalSpecifications
2.1 Voltage Input
Input range（V）:*0~**0
Range（V）:*0, **0, **0, **0
Overload voltage（V）:**0
Load:≤ 0.5mA (**0V)
2.2 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）
2.3 Output Frequency of Pulse
fH=CH. p/***0（Hz）
fL=fH/****0  ï¼ˆHz）
Level：TTL 
2.4 Accuracy
2.4.1Class: 0.*5, 0.1
2.4.2 Power Measurement
Active Power: 0.*5%, 0.1%（PF≥0.5）
Reactive Power: 0.1%, 0.2%（PF≥0.5）
2.4.3Energy Measurement
Watt-hour: 0.*5%, 0.1%（PF≥0.5）
Varhour: 0.1%, 0.2%（PF≥0.5）
2.5 Display
2.5.1Content of Display
     Voltage:  U
     Current:  I
     Active:   P
     Apparent Power: S
     Reactive: Q
     Power Factor: PF(*1.***0~1.***0)
     Phase Angle: θ（0o~**0o）
     Frequency: F
2.5.2Digit of Display: 5 Digits
2.6 Power supply: **0V±*0%, *0Hz±5%  Power consumption：About *5VA
2.7 Preheating Time：*0 Minutes
2.8 Working Environment
   Temperature:     5℃~*0℃
Relative Humidity: ≤*5%
No corrosive gases
2.9 Dimensions: **2mm×**0mm×**3mm
2.*0 Weight: 7kg