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Static Watthour Meter With Electro Mechanical Display

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DESCRIPTION
It measures the energy (Watt - Hour) consumed by the load.

 

FEATURES
• True RMS measurement.
• Isolated Soild - State Pulse Output Or built - in RS - 485 interface for communication with PC.
• Reverse direction indication.
• Tamper - proof
• Battery Backup facility to retain the data for six months. (only for kWh meter having in-built RS- 485

 

ELECTRICAL SPECIFICATIONS
• WIRING METHOD Single Phase
3 Phase 3 Element 4 Wire,
3 Phase 2 Element 3 Wire.
• OPERATING VOLTAGE (RANGE) 110V Line voltage (85 to 130V)
240V Phase Voltage (180V to 270V)
415 Line Voltage (330V to 470V)
• OPERATING CURRENT (RANGE) 1Amp (0.05 to 1.2 Amps)
5Amps (0.25A to 6Amps)
• SIGNAL FREQUENCY 45Hz TI 55Hz
• OPERATING POWER FACTOR 0.5 (Lag) - Unity - 0.8 (Lead)
• ACCURACY 1.0%
• AUX. SUPPLY 110V / 240V AC ±10%, 45Hz to 55Hz
• VA BURDEN (RATED) Voltage        :   0.5 VA / Phase
Current        :    0.5 VA / Phase
Aux. Supply :   3VA
• DISPLAY 6 Digit Mechanical Counter, Tamper proof, Non-resettable.
• PULSE OUTPUT 500 ± 50m sec. (ON period)
• CONTACT RATING 24VDC, 100mA DC
• INTERFACE RS 485
• INSULATING RESISTANCE 5 Mohms at 500VDC
• DIELECTRIC STRENGTH 2kV RMS for 1minute
• OPERATING TEMP. 0° C to 55° C
• STORAGE TEMP. -10° C to 70° C
• HUMIDITY Upto 95% RH
• CONFORMS TO I.S 13779

 

MECHANICAL SPECIFICATIONS
• SIZE 96 x 96 x 130mm
• WEIGHT 870gms. Approx.

 

Ordering information
1) Wiring method 2) Operating Voltage 3) Operating Current 4) PT Ratio 5) CT Ratio Aux. Supply

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* To embrace new technologies and methods. * To give unsurpassed products and services to the clients. * To constantly look for improvement and changes.

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