Single Phase Double Channel Energy Meter Test Equipment

1 Introduction  

SY8126 single phase Energy Meter Test Equipment is a new generation, high precision, energy meter calibration equipment. It uses the international’s most advanced technology and components available in 90 decade. The equipment works under the control of keyboard or remote computer.

2 Function

• Warm up
• Basic error test
• Standard deviation (S) in error test
• Repeatable error test
• Latent test (no load test)/automatic/manual operation with seek mark automatically
• Initial test (starting test)/automatic/manual operation with seek mark automatically
• Voltage influence test
• Frequency influence test
• Deviation test for 24 hours
• Harmonic test
• Phase circuit testing with close link
• Neutral circuit testing with close link
• Neutral missing testing

3 Technical Specification

• Accuracy class: 0.02 / 0.05 / 0.1

• Standard equipment:

 SY3803: Wide current reference standard energy meter,

 Accuracy: Class 0.02 / 0.05 / 0.1

• Multi secondary voltage transformer (MSVT):

        Primary & Secondary Voltage Ratio: 1:1

        No of secondary outputs: 60 / 48 / 24 / 12 / 6

        Range of secondary burden: 30VA per winding

        Error: < + 0.01%, + 0.3 min, when each secondary load is the same

        Insulation performance:  AC voltage 3kV for 1 minute (between primary and secondary)

• Output voltage: 

        Voltage range:             30V ~ 300V (Phase – Neutral)

        Measurement error:      0.02% / 0.05%RG  (when connect reference standard)

        Drift per year:             0.05%

          Stability:                                     50ppm/h / 100ppm/h (with integration time of 60seconds)

          Capacity:                           2000VA / 1500VA / 750VA / 250VA

• Output current::

        Current range:             10mA ~ 120A (Option 20mA ~ 200A)

        Measurement error:      0.02% / 0.05%RD (50mA~120A)  

                                         0.02% / 0.05%RG (10mA~50mA)  (when connect reference standard)

        Drift per year:               0.05%

          Stability:                                     50ppm/h / 100ppm/h (with integration time of 60seconds)

          Capacity:                           2500VA / 2000VA / 1000VA / 500VA

• Power factor:

        Power factor range:      -1.000 - 0 - 1.000

        Measurement error:       0.05%RG, PF 0.5-1  (when connect reference standard)

         Drift per year:                 0.05%

• Frequency range:

        Frequency range:          45 ~ 65Hz (40Hz to 70Hz is optional)

        Measurement error:       0.02%

        Drift per year:                 0.005%

• Distortion factor: Sinusoidal voltage & current  ≦0.5% (linear load)
• Harmonic wave output

           2-21 harmonic wave, Contents of Harmonic Wave (Voltage &Current< 40%)

• Control mode:
  • Keyboard control: LCD menu, fully automatic, manual calibration.
  • Software control: Under Windows 98/2000/XP system, fully automatic, self-definition calibration.
• Number of meters calibrated: 60 / 48 / 24 / 12 / 6 positions
• Mains supply voltage : 220V/240V±15% (option 120V), 50/60Hz

                                The maximum power consumption: 3x 5000VA

• Ambient temperature:

          Storage range:    -200C ~ 550C

          Operating range:  50C ~ 400C

          Specified range:  100C ~ 300C

          Temperature co-efficient:  0.01% / 0C

          Relative Humidity: ≤85%

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