CP-300系列 数字式功率表
Specification
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电源测量 Single phase, two conductor (1Ø2W)
测量值种类 Voltage, current, Active power, power factor, reactive power, apparent power, frequency.
测量范围 Voltage, current and active power see separate table of ranges and resolution.
Frequency: 10Hz~100kHz(CP-320).
精确度(23℃± 5℃) Voltage 47 to 63Hz
±0.1% reading ±0.1% range ±2C ±0.1%/kHz
DC and 10Hz to 20k Hz ±0.2% reading ±0.1% range ±2C ±0.1% / kHz
Current 47 to 63Hz
±0.1% reading ±0.1% range ±2C ±0.1%/kHz
DC and 10Hz to 20k Hz ±0.2% reading ±0.1% range ±2C ±0.1% / kHz
Watt 47 to 63Hz
±0.2% reading ±0.1% range ±3C ±0.1%/kHz
DC and 10Hz to 20k Hz ±0.3% reading ±0.1% range ±3C ±0.1% / kHz
操作方式 Voltage and current: True RMS Power : Analog multiplier circuit.
范围选择 Auto or manual (remote via RS-232)
取样频率 3.3 times/sec.
输入阻抗 Voltage: approx 1Mohm
Current: approx 10mohm(CP-310,CP-320A)
             approx 5mohm(CP-350)
最大允许输入 Voltage: 650V RMS,
Current:  20A RMS   50A peak (CP-310,CP-320A)
                 50A RMS 125A peak (CP-350)
最大一般模式电压 Voltage and current input terminals: 600V rms.
波形因数 3
输入方法 Voltage: resistance divider
Current: shunt.
输入端子 large binding posts.
输入范围效率 5% to 100% of the set range.
Temperature Coefficient:  Less than ± 0.05% f.s/ ℃.
Averaging function: Displays computed average (fix 3 measured).
 
Computing Function
Apparent Power Reactive power Power factor
VA = V*A VAR = √(VA2 -W2)  PF = W (VA)
Computing Range  VA , VAR : Voltage and current range
PF Zero to unity leading or lagging
Computing Accuracy VA * VAR ± 0.05% of rated value 
PF ±0.001
  
Frequency measurement function
操作方式 Reciprocal counting method
测量范围 5% to 100% set range(10Hz ~ 100kHz)
自动选择范围 45Hz / 10kHz / 100kHz
准确度 ±1 DGT of the range
测量周期 3.3 times / sec
表示范围 10.00Hz ~ 99999Hz(5 digits)
  
Interface
RS-232: Baud Rate:1200 , 2400 , 9600 bps.
  Transmission system : Start-stop synchronization 8 bits , 1 stop bit. none parity
 
 

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