Japan Electric Meters Inspection Corporatio
Accreditation No,:0050
Name of Organization
Accredited Laboratory
Details of Accreditation Scope
Field : Electrical Calibrations
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Quantity and Equipment to be Calibrated |
Range |
Best Measurement Capability |
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|
DC Voltage |
Source |
1V,1.018V,10V |
±5ppm |
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|
1µ V~1V |
±(5ppm+0.2µ V) |
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1V~1kV(except 1V,1.018V,10V) |
±5ppm |
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Measuring Equipment |
1V,1.018V,10V |
±5ppm |
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|
1µ V~1V |
±(10ppm+0.2µ V) |
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|
1V~1kV(except 1V,1.018V,10V) |
±5ppm |
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|
Resistive Voltage Divider |
10V~1kV |
100:1 |
±5ppm |
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|
10:1 |
±5ppm |
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|
1:1 |
±5ppm |
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DC Resistance |
Standard Resistor |
1mW |
±10ppm |
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|
10mW |
±10ppm |
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|
100mW |
±5ppm |
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|
1W |
±5ppm |
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10W |
±5pm |
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100W |
±5pm |
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1kW |
±5pm |
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10kW |
±5pm |
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|
100kW |
±10pm |
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|
1MW |
±10ppm |
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Measuring Equipment |
1mW ~10W |
±10ppm |
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|
10W ~10kW |
±5ppm |
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|
10kW ~1MW |
±10ppm |
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|
1MW ~100MW |
±40ppm |
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Direct Current |
Source |
10µ A~1mA |
±45ppm |
|
|
1mA~ 30A |
±90ppm |
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Measuring Equipment |
10µ A~1mA |
±45ppm |
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|
1mA~30A |
±90ppm |
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Standard Shunt |
1A~10A |
±85ppm |
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|
10A~1kA |
±280ppm |
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AC Voltage |
Source |
1V~100V(40Hz~10kHz) |
±100ppm |
|
|
100V~ 1kV under (40Hz~10kHz) |
±120ppm |
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Measuring Equipment |
100mV~ 100V(40Hz~10kHz) |
±100ppm |
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|
100V~ 1kV(40Hz~10kHz) |
±120ppm |
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|
Voltage Transformer |
3V~ 33kV(50Hz,60Hz) |
Ratio error ±170ppm Phase angle ±1.2' |
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| 33kV~ 77kV(50Hz,60Hz) |
Ratio error ±240ppm Phase angle ±1.3' |
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| 77kV~150kV(50Hz,60Hz) |
Ratio error ±290ppm Phase angle ±1.3' |
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|
AC-DC Voltage Comparator |
1V~ 200V(40Hz~10kHz) |
±120ppm |
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|
200V~ 1kV(40Hz~10kHz) |
±130ppm |
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Details of Accreditation Scope
Field : Electrical Calibrations(Continued)
|
Quantity and Equipment to be Calibrated |
Range |
Best Measurement Capability |
|
|
Alternating Current |
Source |
100mA (50Hz,60Hz) |
±410ppm |
|
100mA~10A(50Hz,60Hz) |
±390pm |
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|
10A~50A(50Hz,60Hz) |
±410ppm |
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|
Measuring Equipment |
100mA~1A(50Hz,60Hz) |
±210ppm |
|
|
1A~10A(50Hz,60Hz) |
±240pm |
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|
10A~50A(50Hz,60Hz) |
±410ppm |
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|
Current Transformer |
Rated primary current 100mA~150A(50Hz,60Hz) |
Ratio error ±130ppm Phase angle ±1.0' |
|
|
Rated primary current 150A~3kA(50Hz,60Hz) |
Ratio error ±160ppm Phase angle ±1.4' |
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|
Rated primary current 3kA~5kA(50Hz,60Hz) |
Ratio error ±210ppm Phase angle ±1.6' |
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|
Electric power |
Watt Converter |
75V~300V 0.5A~20A(50Hz,60Hz) Power factor 1,0.5 lag |
±710ppm |
|
Measuring Equipment |
1-Phase 2-Wire System 1-Phase 3-Wire System 75V~300V 0.5A~20A(50Hz,60Hz) Power factor 1,0.5 lag |
±1130ppm |
|
|
Electric Energy |
Measuring Equipment |
3-Phase 3-Wire System 1-Phase 2-Wire System 1-Phase 3-Wire System 100V,110V 0.25A~5A(50Hz,60Hz) Power factor 1, 0.866 lag 0.5 lag 0.5 lead |
±870ppm |