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PRODUCTS
1. THREE PHASE ELECTRONIC ENERGY METERS
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STANDARDS
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Conforms to IS 13779, IS 14697, IEC 62052/62053 & CBIP Report No. 88
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ACCURACY
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Class 1.0 & 0.5 S
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NOMINAL VOLTAGE
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3 x 240 Volts AC, Variation + 20% to - 40%
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MAXIMUM CURRENT
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20A, 30A, 40A & 60A for Whole Current Meters &
120% of Ib for CT Operated Meters
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NOMINAL FREQUENCY
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50 Hz +/- 5%
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DISPLAY
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6 digits electromechanical stepper motor register or
LCD display
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ANTI TAMPER FEATURES :
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Meter records correct energy under reverse current connection.
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Meter records energy correctly even in the absence of Neutral.
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No effect of external magnetic field as per CBIP 88
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Meter works correctly irrespective of the phase sequence.
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Immunity to D.C. component in A. C. circuit
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Meter works even if only two phases or one phase & neutral are present.
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Power on indication by Three LED's one for each phase.
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Meter Base & Cover are provided for Ultrasonic Welding.
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OPTIONAL FEATURES :
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Single wire operation
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Real Time
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Instantaneous Parameters like Voltage, Current, Load, Power Factor, Frequency etc.
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Maximum Demand
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TOD Metering
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RS 232/485 communication
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2. SINGLE PHASE ELECTRONIC ENERGY METERS
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STANDARDS
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Conforms to IS 13779, IEC 62052/62053 &
CBIP Report No. 88
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ACCURACY
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Class 1.0
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NOMINAL VOLTAGE
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240 Volts, 1 Phase, Variation + 20% to - 40%
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MAXIMUM CURRENT
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10A, 20A, 30A, 40A & 60A
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NOMINAL FREQUENCY
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50 Hz +/- 5%
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DISPLAY
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6 digits electromechanical stepper motor register or
LCD display
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ANTI TAMPER FEATURES :
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o |
Meter functions correctly when phase & neutral are interchanged.
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o |
Meter records correct energy under reverse current connection.
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Meter records correct energy when load is connected to earth instead of neutral.
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No effect of external magnetic field as per CBIP 88 |
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o |
Immunity to D.C. component in A. C. circuit
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o |
Tamper condition is indicated through LED's
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o |
Meter Base & Cover are provided for Ultrasonic Welding.
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OPTIONAL FEATURES :
|
|
o |
Single wire operation
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|
o |
Real Time
|
|
o |
Instantaneous Parameters like Voltage, Current, Load, Power Factor, Frequency etc.
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|
o |
Maximum Demand
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o |
TOD Metering
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o |
RS 232/485 communication
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3. SINGLE PHASE HIGH PRECISION ELECTROMECHANICAL ENERGY METERS
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STANDARDS
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Conforms to IS 13010, IEC 521 & CBIP Report No.88
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ACCURACY
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Class 2.0
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NOMINAL VOLTAGE
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240 Volts, 1 Phase, Variation + 20% to - 40%
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MAXIMUM CURRENT
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5A, 10A, 20A, 30A & 40A
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NOMINAL FREQUENCY
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50 Hz +/- 5%
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REGISTERING MECHANISM
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Cyclometer type with 5/6 drums. The unidirectional counters are also available
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BRAKE MAGNET
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Four pole magnet of ALNICO Grade V or VI. The
magnets are aged against time, temp. & external
magnetic effects before assembly
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LOWER BEARING
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Magnetic suspension type with two homo polar
annular magnets with a guide & bearing bush.
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STARTING CURRENT
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0.5% of Ib at rated voltage & unity power factor
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TORQUE
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More than 4.0 gm-cm at Ib
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VOLTAGE CIRCUIT POWER LOSS
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As per IS : 13010-2002
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AC VOLTAGE TEST
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4 KV for 1 minute
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ADJUSTMENTS :
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Full load adjustment
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Low load adjustment
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Inductive load adjustment
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Creep adjustment
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EFFICIENCY FACTOR
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1.2 minimum
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4. THREE PHASE HIGH PRECISION ELECTROMECHANICAL ENERGY METERS
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STANDARDS
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Conforms to IS 13010, IEC 521 & CBIP Report No.88
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ACCURACY
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: |
Class 2.0 for Whole Current Meters & Class 1.0 &
2.0 for CT Operated Meters
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NOMINAL VOLTAGE
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: |
3 x 240 Volts, Variation + 20% to - 40%
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MAXIMUM CURRENT
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: |
5A, 10A, 20A, 30A & 40A for Whole Current Meters
& 120% of Ib for CT Operated Meters
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NOMINAL FREQUENCY
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: |
50 Hz +/- 5%
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REGISTERING MECHANISM
|
: |
Cyclometer type with 5/6 drums. The unidirectional counters are also available
|
BRAKE MAGNET
|
: |
Four pole magnet of ALNICO Grade V or VI. The
magnets are aged against time, temp. & external
magnetic effects before assembly
|
LOWER BEARING
|
: |
Magnetic suspension type with two homo polar
annular magnets with a guide & bearing bush.
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STARTING CURRENT
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0.5% of Ib at rated voltage & unity power factor
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TORQUE
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More than 8.0 gm-cm at Ib
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VOLTAGE CIRCUIT POWER LOSS
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As per IS : 13010-2002
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AC VOLTAGE TEST
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4 KV for 1 minute
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ADJUSTMENTS :
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o |
Full load adjustment
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o |
Low load adjustment
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o |
Inductive load adjustment
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o |
Creep adjustment
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Torque adjustment
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EFFICIENCY FACTOR
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1.2 minimum
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Copyright © 2004 Avon Meters Private Limited. All rights reserved.
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