APPLICATION:
The test bench is 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 kWh meter.
·Able to perform automatic measurement like shunting, basic errors, standard deviation, and 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.
·Able to display waveform of voltage and current, able to set 2nd-15th harmonic of voltage and current, measure the waveform distortion and harmonic content, and display harmonic chart.
·Equipped with RS232 communication port.
FEATURES:
·Equipped with CL111 (single phase multi-function reference meter) and CL101 (program-controlled single 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.
·High stability of power source which is up to 0.01%/100s and low distortion which is no more than 0.5%.
·Wide current measuring range which can be automatically switched.
·High resolution of voltage, current and power.
·Self-check and perfect protection function.
·Large LCD display and simple interface for operation.
TECHNICAL SPECIFICATION:
OUTPUT ENERGY:
·Range:
Output voltage metering range: 220V
Output voltage metering range: 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
·Output Energy Adjustment:
Voltage and current adjustment
Adjustment(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 0.05: ≤0.01%/100s
Class 0.1/0.2/0.3: ≤0.02%/100s.
·Output Voltage Current Distortion
Class 0.05/0.1: ≤0.5%
Class 0.2/0.3: ≤1%
ENERGY PULSE:
·Energy Pulse Output:
Constant set range (1~599999999)r/kWh
Max. pulse frequency 10KHz
·Input Energy Pulse:
Pulse constant set range (1~599999999)r/kWh
Pulse frequency not higher than 10KHz
PRODUCTS SERIES:
CL10005 single phase kWh meter test bench(class 0.05)
CL1001 single phase kWh meter test bench(class 0.1)
CL1002 single phase kWh meter test bench(class 0.2)
Computer & printer are optional.
METER POSITION:
3,6,12,16, 20,24,48(optional) as per request.
OTHERS:
·Power supply: 220V or 3×220V/380V±10%, 50/60Hz±10%
·Ambient condition: 20℃~25℃