| Customization: | Available |
|---|---|
| After-sales Service: | Yes |
| Warranty: | 1year |
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
|
Base condition and working condition
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Influence factor
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Test item
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Base condition
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Working condition
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Environment temperature
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All parameters
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(23±2)°C
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-10°C~ 40°C
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Relative humidity
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All parameters
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40%~ 60%
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<80%
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Phase-to-neutral voltage
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All parameters
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(100±1%)V
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1.0V~ 1000V
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Phase-to-phase voltage
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True RMS phase-to-phase voltage
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(200±1%)V
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1.0V~ 2000V
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Current
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True RMS current
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(5±1%)A
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10mA~ 1000A
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Network frequency
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All parameters
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50Hz±0.1Hz
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40Hz~ 70Hz
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Phase shift
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Active power and active energy
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Cosφ=1
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Cosφ: 0.2~ 1.0
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Reactive power and reactive energy
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Sinφ=1
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Sinφ: 0.2~ 1.0
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Harmonic
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All parameters
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<0.1%
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0.0%~ 100%
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Voltage unbalance
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All parameters
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<10%
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0.0%~ 100%
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Working voltage of device
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All parameters
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DC9.8V±0.1V
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DC9.5V~ 10.5V
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External electric field,
magnetic field |
All parameters
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Should be avoided
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|
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Test position
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Measured related parameters of current
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Tested wire at the center of clamp.
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ABOUT US
Huazheng, established in 2008, is a enterprise which is engaged in the research, development,
sale and service of transformer tester, transformer oil tester, relay tester, high voltage tester, circuit breaker tester. We are a cooperative supplier of the State Grid of China, and we have also
established cooperative relationships with customers in countries and regions such as USA, Brazil, Chile, Vietnam, Indonesia, Korea, Turkey, Dubai, South Africa, etc.We have obtained ISO and
CE certificates. And developed impeccable inspection organization to make sure all of our
products quality comply with international standards(like IEC/ASTM/EN).
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