CP 300 SERIES POWER METER
Specification
| Line measure | Single phase, two conductor (1Ø2W) | 
| Values measured | Voltage, current, Active power, power factor, reactive power, apparent power, frequency. | 
| 
       Measurement ranges ¡@  |  
      
         
        Voltage,   
        current and active power see separate table of ranges and resolution.  |   
    
| Operating principle | Voltage and current: True RMS Power: Analog multiplier circuit. | 
| Range selection | Auto or manual (remote via RS-232) | 
| Sampling rate | 3.3 times/sec. | 
| 
       Input impedance ¡@  |  
      
         
        Voltage:   
        approx 1M omh  |  
    
| 
       Maximum allowable input ¡@  |  
      
         
        Voltage:   
        650V RMS,  |   
    
| Maximum common mode voltage | Voltage and current input terminals: 600V rms. | 
| Crest factor | 3 | 
| 
       Input method ¡@  |   
       
         
        Voltage:   
        resistance divider  |   
    
| Input terminals | large binding posts. | 
| Effective input range | 5% to 100% of the set range. | 
| Temperature Coefficient | Less than +/- 0.05% f.s / oC | 
| Averaging function | Displays computed average (fix 3 measured). | 
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| Computing Function | |||
| Apparent Power | Reactive power | Power factor | |
| VA = V*A | VAR = (VA2 -W2)^(1/2) | 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 | |||
| Operating Principle | Reciprocal counting method | ||
| Measurement range | 5% to 100% set range(10Hz ~ 100KHz) | ||
| Auto Range | 45Hz / 10KHz / 100KHz | ||
| Accuracy | +/- 1 DGT of the range | ||
| Measurement Cycle | 3.3 times / sec | ||
| Display Range | 10.00Hz ~ 99999Hz(5 digits) | ||
| ¡@ | ¡@ | ||
| Interface | |||
| RS-232 | Baud Rate¡G1200 , 2400 , 9600 bps. | ||
| ¡@ | Transmission system : Srart-stop synchronization 8 bits , 1 stop bit. none parity | ||
| ¡@ | ¡@ | ||
| General specification | |||
| Dielectric Strength | 2.2KV AC (50/60Hz) for one minute between input terminals and case. | ||
| Insulation Resistance | more than 20M£[ at 500V dc between input terminals and case between case and power line. | ||
| Operating Temperature | 5 to 50oC (41 to 104oF) | ||
| Humidity Range | 10 to 90% (relative humidity) non-condensing. | ||
| Line Requirements | AC115V or 230V +/- 15%, 48 to 63 Hz 15VA | ||
| Dimensions/Weight | 260x110x360(WxHxD)/4.8Kgs net. | ||
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