| Shenzhen Clou Electronics Co., Ltd |
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Item Number:
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cl3000 |
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Product Name:
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three phase kWh meter test bench |
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Description:
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APPLICATION:
Applied in the measurement center of grid company, energy measurement department of power supply company and energy management utility, industrial enterprise and meter manufacturers.
FUNCTIONS:
1) Able to calibrate all kinds of electronic and inductive single phase kWh meter, such as multifunction, multi-rate and prepayment;
2) Able to perform automatic measurement like shunting, basic errors, standard deviation, and etc
3) Able to test the error caused by voltage, current and harmonic effeciton;
4) Able to check the same type meters with different constants;
5) Able to print out all kinds of test reports with the standard forms
6) Able to test voltage, current, active/reactive/apparent power, phase, power factor, frequency, and etc.;
7) Calibrate voltage/current of each phase, phase/phase difference, active/reactive/apparent power of each phase, total active/reactive/apparent power, total power factor, frequency, and etc.;
8) Display the real-time vector chart and waveform of voltage and current;
9) Able to set 2nd ?1st harmonic of voltage and current, measuring the waveform distortion and harmonic content, and display harmonic chart;
10) Automatically test the symmetry of 3-phase voltage & current and the max. value of three-phase difference;
11) Providing standard impulse output and the impulse constant can be set automatically or manually;
12) Equipped with RS232 communication port.
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Features:
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1) Equipped with CL311 (Three-phase Multi-function Standard Meter) and CL303 (Program-controlled Power Meter), which can be separately used and are convenient for test;
2) Operation by means of either automatically or manually;
3) Automatic calculation of waiting time of starting and shunting experiments;
4) High accuracy, 6-digit display, the energy relative errors are no more than ?.05%(?.1%) within the measuring range;
5) Wide measuring range which can be automatically switched;
6) Large LCD display with high resolution and simple interface for operation
7) Series of products:
CL30005 3-phase electrical energy meter calibrator (class 0.05)
CL3001 3-phase electrical energy meter calibrator (class 0.1)
CL3002 3-phase electrical energy meter calibrator (class 0.2)
8）Computer & printer is optional
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Specification:
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Output range
Output voltage metering range: 57.7V, 100V, 220V, 480V
Output voltage metering range: 0.01A, 0.025A, 0.05A, 0.1A, 0.25A, 0.5A, 1A, 2.5A, 5A, 10A, 25A, 50A, 100A;
Output capacity:
Voltage output: up to meter position Min.:100VA
Current output: up to meter position Min. 200VA
Phase
3P voltage output should be positive.
Output energy ajustment:
Voltage and current ajustment
Ajustment range: (0%～120%)×range
Resolution(10%, 1%, 0.1%, 0.01%)
Phase ajustment: range (0~359.99?
Resolution(10? 1? 0.1? 0.01?
Frenquency ajustment: range(45Hz~64.99Hz;)
Resolution (1Hz, 0.1Hz, 0.01Hz, 0.001Hz)
Output power stability
Class0.03, 0.05: ≤0.01%/100s;
Class 0.1, 0.2: ≤0.02%/100s
Output voltage current wave distortion:
Class0.03, 0.05/0.1; ≤0.5%;
Class 0.1, 0.2: ≤1%
Three phase energy symmetry
Different value of each phase voltage and average shouldnot be more than 0.5%
Different value of each phase current and average shouldnot be more than 1%
Energy pulse
1.Energy pulse output:
Constant set range (1～599999999)r/kWh
Max. pulse frequency 10kHz
2.Input energy pulse:
Pulse constant set range (1～599999999)r/kWh
Pulse frequency not higher than 10Kh
Meter Position
Meter position : 3, 6, 8, 12, 24 (optional) according to user’s requirements
Others:
Power supply: 3?20V/380V?0%, 50Hz?0%
Ambient condition: 20℃～25℃
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