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

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Voltage, current and active power see separate table of ranges and resolution.
Frequency: 10Hz~100KHz.

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

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Voltage: approx 1M omh
Current: approx 10m omh  (CP-310,CP-320A) / approx   5m omh (CP-350)

Maximum allowable input

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Voltage: 650V RMS,
Current:  20A RMS   50A peak (CP-310,CP-320A) / 50A RMS 125A peak (CP-350)

Maximum common mode voltage Voltage and current input terminals: 600V rms.
Crest factor 3

Input method

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Voltage: resistance divider
Current: shunt.

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

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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)
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Interface
RS-232 Baud Rate¡G1200 , 2400 , 9600 bps.
¡@ Transmission system : Srart-stop synchronization 8 bits , 1 stop bit. none parity
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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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  Consult the Factory The Customer Specification.

Specifications Subject to Change Without Notice.

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