CP-300系列 數字式功率表
Specification
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電源測量 Single phase, two conductor (1Ø2W)
測量值種類 Voltage, current, Active power, power factor, reactive power, apparent power, frequency.
測量範圍 Voltage, current and active power see separate table of ranges and resolution.
Frequency: 10Hz~100kHz(CP-320).
精確度(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.
範圍選擇 Auto or manual (remote via RS-232)
取樣頻率 3.3 times/sec.
輸入阻抗 Voltage: approx 1Mohm
Current: approx 10mohm(CP-310,CP-320A)
             approx 5mohm(CP-350)
最大允許輸入 Voltage: 650V RMS,
Current:  20A RMS   50A peak (CP-310,CP-320A)
                 50A RMS 125A peak (CP-350)
最大一般模式電壓 Voltage and current input terminals: 600V rms.
波形因數 3
輸入方法 Voltage: resistance divider
Current: shunt.
輸入端子 large binding posts.
輸入範圍效率 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
測量範圍 5% to 100% set range(10Hz ~ 100kHz)
自動選擇範圍 45Hz / 10kHz / 100kHz
準確度 ±1 DGT of the range
測量週期 3.3 times / sec
表示範圍 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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