APPLICATION:
Applied in the measurement centre of grid company, energy measurement department of power supply company and energy management utility, industrial enterprise and meter manufacturers.
FUNCTIONS:
·Able to calibrate all kinds of electronic and inductive single phase and three phase kWh meter.
·Able to perform automatic measurement like shunting, basic errors, standard deviation, etc.
·Able to test the error caused by voltage, current and harmonic affection.
·Able to check the same type meters with different constants.
·Able to print out all kinds of test reports with the standard forms.
·Able to test voltage, current, active/reactive/apparent power, phase, power factor, frequency, and etc.
·Calibrate voltage/current of each phase, phase difference, active/reactive/apparent power of each phase, total active/reactive/apparent power, total power factor, frequency, and etc.
·Display the real-time vector chart and waveform of voltage and current.
·Able to set 2nd-21st harmonic of voltage and current, measure the waveform distortion and harmonic content, and display harmonic chart.
·Automatically test the symmetry of three phase voltage & current and the max. value of three-phase difference.
·Provide standard pulse output ; the pulse constant can be set automatically or manually.
·Equipped with RS232 communication port.
FEATURES:
·Equipped with CL3112/CL311V2(three phase multi-function reference meter) and CL303(program-controlled three phase power source), which can be separately used and are convenient for testing.
·Operate automatically or manually.
·Automatically calculate the waiting time of starting and shunting experiments.
·High accuracy, 6-digit display, the energy relative errors are no more than ±0.05%(±0.1%) within the measuring range.
·Wide measuring range which can be automatically switched.
·Large LCD display with high resolution and simple interface for operation.
·Able to test close-link meter.
Technical Specification:
OUTPUT ENERGY:
·Range:
Output voltage metering range: 57.7V, 100V, 220V, 380V
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:
Three phase voltage and current output should be positive.
·Output Energy Adjustment:
Voltage and current adjustment
Adjustment range: (0%～120%)×range
Resolution(10%, 1%, 0.1%, 0.01%)
Phase adjustment: range (0~359.99°)
Resolution(10°, 1°, 0.1°, 0.01°)
Frequency adjustment: range(45Hz~64.99Hz)
Resolution (1Hz, 0.1Hz, 0.01Hz, 0.001Hz)
·Output Power Stability:
Class 0.02/0.05: ≤0.01%/100s
Class 0.1/0.2:≤0.02%/100s
·Output Voltage Current Wave Distortion:
Class 0.02/0.05:≤0.5%
Class 0.1/0.2: ≤1%
·Three Phase Energy Symmetry:
Different value of each phase voltage and average value should not be more than 0.5%
Different value of each phase current and average value should not be more than 1%
ENERGY PULSE:
·Energy Pulse Output:
Constant setting range (1～599999999)r/kWh
Max. Pulse frequency 10KHz
·Input Energy Pulse:
Pulse constant setting range (1～599999999)r/kWh
Pulse frequency not higher than 10kHz
PRODUCTS SERIES:
CL30002 three phase kWh meter test bench (class 0.02)
CL30005 three phase kWh meter test bench (class 0.05)
CL3001 three phase kWh meter test bench (class 0.1)
CL3002 three phase kWh meter test bench (class 0.2)
Computer & printer are optional
METER POSITION:
Meter position : 3, 6, 8, 12, 24 (optional) according to users, requirements
OTHERS:
·Power supply: 3×220V/380V±10%, 50Hz/60Hz
·Ambient condition: 20℃~25℃