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STATIC WATTHOUR METER WITH ELECTRO-MECHANICAL DISPLAY
Panel Meter,Transformer,Voltage Regulator/ stabilizer,Rectifier,Transducer,Break down tester,Test Bench,Relay test kit,Energy saver,Test measuring instruments
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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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