CP-240、CP-260、CP-280、CP-290 系列  數字式功率分析儀 
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 機種型號 CP-240 CP-260 CP-280 CP-290
Voltage(V) Ranges (Auto or Manual)(5 range) 30V 60V 150V 300V 600V RMS
Display Resolution 4 digits
Operating Principle Digital Calculation True RMS
Crest Factor Up to 1.7(at FULL SCALING)
Frequency Range 10Hz to 550Hz
Accuracy(23℃ ± 5℃) 47 to 63Hz

±0.1% reading ± 0.1% range ± 2C

10Hz to 550Hz  ±0.2% reading ± 0.1%range ± 0.1% / 100Hz
Maximum Input Continuous 600V RMS / 1000Vpk
Input impedance 2 MΩ and 10 pF on all ranges
Effective input range 5% to 120% of the range
Current (A)
Ranges (Auto or Manual)(5 ranges) 0.3A 1A 3A
10A 30A RMS
 0.01A 0.03A 
0.1A  0.3A 1A RMS
 0.03A  0.1A 
0.3A 1A 3A RMS
Display Resolution 4 digits
Operating Principle Digital Calculation True RMS
Crest Factor Up to 2 (at FULL SCALING)
Frequency Range 10Hz to 550Hz
Accuracy(23℃± 5℃) 47 to 63Hz ±0.1% reading  ±0.1%range  ±3C
10Hz to 550Hz ±0.3% reading  ±0.1%range  ±3C  ±0.1%/100Hz
Maximum Input Continuous 30A RMS / 60Apk 1Arms / 2Apk 3Arms / 6Apk
Input impedance All ranges ≦ 2 mΩ All ranges ≦ 10 mΩ All ranges ≦ 10 mΩ
Effective input range 10% to 110% of the range
Power(W) Ranges (Auto or Manual)
 (25 ranges corresponding to V and A)
9W to 18kW 0.3W to 600W 0.9W to 1800W
Display Resolution 4 digits
Operating principle Digital Calculation True Watt
Frequency Range 10Hz to 550Hz 
Accuracy
(23℃ +/- 5℃)
47Hz to 63Hz PF= 1 ~ 0.6 ±0.2%reading  ±0.2%range  ± 5C
PF= 0.5 ~ 0.1 ±0.2%reading  ±0.2%range ±0.01% / -0.1PF ±5C
10Hz to 550Hz ±0.3%reading  ±0.3%range  ±0.1% / 100Hz ±5C
Effective input range 2% to 110% of the range (at 47 to 63Hz)
5% to 110% of the range (at all range)
Frequency(Hz) Display Resolution / Maximum resolution 4 digits / 0.01Hz
Operating Principle Reciprocal Counting method
Accuracy(23℃ ± 5℃) ±0.02%  ± 1C
Measuring Input Voltage
Effective input range 5% to 100% of the voltage range
Measuring Range 10 Hz to 1kHz
Interface RS-232 NO YES YES YES
No Fuse Breakers (N.F.B.)  NO YES NO NO
   
計算功能 : 
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 x VAR ± 0.05% of rated value  /   PF:±0.001                     
  
 
 

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