Avon Meters Private Limited
 
PRODUCTS

1. THREE PHASE ELECTRONIC ENERGY METERS
STANDARDS : Conforms to IS 13779, IS 14697, IEC 62052/62053 & CBIP Report No. 88
ACCURACY : Class 1.0 & 0.5 S
NOMINAL VOLTAGE : 3 x 240 Volts AC, Variation + 20% to - 40%
MAXIMUM CURRENT : 20A, 30A, 40A & 60A for Whole Current Meters & 120% of Ib for CT Operated Meters
NOMINAL FREQUENCY : 50 Hz +/- 5%
DISPLAY : 6 digits electromechanical stepper motor register or LCD display
ANTI TAMPER FEATURES :
o Meter records correct energy under reverse current connection.
o Meter records energy correctly even in the absence of Neutral.
o No effect of external magnetic field as per CBIP 88
o Meter works correctly irrespective of the phase sequence.
o Immunity to D.C. component in A. C. circuit
o Meter works even if only two phases or one phase & neutral are present.
o Power on indication by Three LED's one for each phase.
o Meter Base & Cover are provided for Ultrasonic Welding.
OPTIONAL FEATURES :
o Single wire operation
o Real Time
o Instantaneous Parameters like Voltage, Current, Load, Power Factor, Frequency etc.
o Maximum Demand
o TOD Metering
o RS 232/485 communication


2. SINGLE PHASE ELECTRONIC ENERGY METERS
STANDARDS : Conforms to IS 13779, IEC 62052/62053 & CBIP Report No. 88
ACCURACY : Class 1.0
NOMINAL VOLTAGE : 240 Volts, 1 Phase, Variation + 20% to - 40%
MAXIMUM CURRENT : 10A, 20A, 30A, 40A & 60A
NOMINAL FREQUENCY : 50 Hz +/- 5%
DISPLAY : 6 digits electromechanical stepper motor register or LCD display
ANTI TAMPER FEATURES :
o Meter functions correctly when phase & neutral are interchanged.
o Meter records correct energy under reverse current connection.
o Meter records correct energy when load is connected to earth instead of neutral.
o No effect of external magnetic field as per CBIP 88
o Immunity to D.C. component in A. C. circuit
o Tamper condition is indicated through LED's
o Meter Base & Cover are provided for Ultrasonic Welding.
OPTIONAL FEATURES :
o Single wire operation
o Real Time
o Instantaneous Parameters like Voltage, Current, Load, Power Factor, Frequency etc.
o Maximum Demand
o TOD Metering
o RS 232/485 communication


3. SINGLE PHASE HIGH PRECISION ELECTROMECHANICAL ENERGY METERS
STANDARDS : Conforms to IS 13010, IEC 521 & CBIP Report No.88
ACCURACY : Class 2.0
NOMINAL VOLTAGE : 240 Volts, 1 Phase, Variation + 20% to - 40%
MAXIMUM CURRENT : 5A, 10A, 20A, 30A & 40A
NOMINAL FREQUENCY : 50 Hz +/- 5%
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.
STARTING CURRENT : 0.5% of Ib at rated voltage & unity power factor
TORQUE : More than 4.0 gm-cm at Ib
VOLTAGE CIRCUIT POWER LOSS : As per IS : 13010-2002
AC VOLTAGE TEST : 4 KV for 1 minute
ADJUSTMENTS :
o Full load adjustment
o Low load adjustment
o Inductive load adjustment
o Creep adjustment
EFFICIENCY FACTOR : 1.2 minimum


4. THREE PHASE HIGH PRECISION ELECTROMECHANICAL ENERGY METERS
STANDARDS : Conforms to IS 13010, IEC 521 & CBIP Report No.88
ACCURACY : Class 2.0 for Whole Current Meters & Class 1.0 & 2.0 for CT Operated Meters
NOMINAL VOLTAGE : 3 x 240 Volts, Variation + 20% to - 40%
MAXIMUM CURRENT : 5A, 10A, 20A, 30A & 40A for Whole Current Meters & 120% of Ib for CT Operated Meters
NOMINAL FREQUENCY : 50 Hz +/- 5%
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.
STARTING CURRENT : 0.5% of Ib at rated voltage & unity power factor
TORQUE : More than 8.0 gm-cm at Ib
VOLTAGE CIRCUIT POWER LOSS : As per IS : 13010-2002
AC VOLTAGE TEST : 4 KV for 1 minute
ADJUSTMENTS :
o Full load adjustment
o Low load adjustment
o Inductive load adjustment
o Creep adjustment
o Torque adjustment
EFFICIENCY FACTOR : 1.2 minimum



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