Libra-3 ANSI Standard Industrial and Commercial User Multifunction Electric Ener
Overview
Wasion Libra-3 series electric energy meter is mainly designed for industrial and commercial application markets, based on ANSI C12 series standards. It is configurable with multiple energy metering methods, integrated with replaceable two-way communication module to provide Meter Buddy2 parameter configuration files.
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High-reliability, high-precision (better than accuracy Class CA 0.2) energy register, to fulfill the application demands of power consumers;
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Supporting forward energy, reverse energy, forward + reverse and forward – reverse energy four types of energy accumulation methods;
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Supporting multiple plug-and-play communication modules, such as RS485/232, power line carrier, wireless and Ethernet and others;
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Supporting senior functions of smart metering, such as demand, time-of-use, event logging and load control;
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Supporting senior metering functions, such as reactive, harmonic wave and energy quality monitoring;
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Electricity anti-tamper design, capable of detection of meter inverted, pull-out or external magnetic field disturbance and other abnormal events;
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Supporting LCD or runner energy display methods, provided with backlight function to turn on backlight automatically on the operation of the push buttons;
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Battery, capable of battery replacement without opening of the internal cover; Used to maintain clock, or the display and meter reading and other auxiliary functions in case of power down;
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Optional in-built maximum 200A current relay for remote switch on/off, so as to realize load control function;
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Modular product platform; Compactable with various extended function modules, with no need to recalibrate the meter; Optional function modules, including demand, time-of-use, load curves and other communication modules;
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Supporting communication interconnection, allowing third party communication scheme integrated into the product.
Metering mode
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Four measurement methods for active energy metering;
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Two measurement methods for reactive energy metering;
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Apparent energy
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Instantaneous electric parameters: split-phase voltage, current, power, phase angle, harmonic wave, frequency and power factor;
Display
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Display parameter may be configurable as 4, 5 or 6 digits and 0, 0.1, 0.01 and 0.001 decimals;
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Supporting three display mode: normal, testing and alternative;
Asynchronous serial communication interface
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2 asynchronous serial communication interfaces: optical communication and AMR/AMI interfaces, supporting ANSI C12.18 and C12.19;
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Provided with MeterBuddy2 parameter setting software, to be used for data reading, parameter setting, demand reset, event reset, relay on/off and event log enquiry;
Demand
Time-of-use function
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Maximum 4 time-of-use time frames and 4 seasons;
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Maximum 3 day type time schedules, plus one holiday time schedule;
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Maximum 80 time-of-use time schedule setting points;
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Maximum 150 programmable dates;
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Supporting holiday, season switching, daylight saving, settlement and timing demand reset;
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Every TOU time frame supporting maximum 5 energy and demand registers;
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Every demand supporting maximum 2 accompany demands;
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Characteristic
-
High-reliability, high-precision (better than accuracy Class CA 0.2) energy register, to fulfill the application demands of power consumers;
-
Supporting forward energy, reverse energy, forward + reverse and forward – reverse energy four types of energy accumulation methods;
-
Supporting multiple plug-and-play communication modules, such as RS485/232, power line carrier, wireless and Ethernet and others;
-
Supporting senior functions of smart metering, such as demand, time-of-use, event logging and load control;
-
Supporting senior metering functions, such as reactive, harmonic wave and energy quality monitoring;
-
Electricity anti-tamper design, capable of detection of meter inverted, pull-out or external magnetic field disturbance and other abnormal events;
-
Supporting LCD or runner energy display methods, provided with backlight function to turn on backlight automatically on the operation of the push buttons;
-
Battery, capable of battery replacement without opening of the internal cover; Used to maintain clock, or the display and meter reading and other auxiliary functions in case of power down;
-
Optional in-built maximum 200A current relay for remote switch on/off, so as to realize load control function;
-
Modular product platform; Compactable with various extended function modules, with no need to recalibrate the meter; Optional function modules, including demand, time-of-use, load curves and other communication modules;
-
Supporting communication interconnection, allowing third party communication scheme integrated into the product.
Function
Metering mode
-
Four measurement methods for active energy metering;
-
Two measurement methods for reactive energy metering;
-
Apparent energy
-
Instantaneous electric parameters: split-phase voltage, current, power, phase angle, harmonic wave, frequency and power factor;
Display
-
Display parameter may be configurable as 4, 5 or 6 digits and 0, 0.1, 0.01 and 0.001 decimals;
-
Supporting three display mode: normal, testing and alternative;
Asynchronous serial communication interface
-
2 asynchronous serial communication interfaces: optical communication and AMR/AMI interfaces, supporting ANSI C12.18 and C12.19;
-
Provided with MeterBuddy2 parameter setting software, to be used for data reading, parameter setting, demand reset, event reset, relay on/off and event log enquiry;
Demand
Time-of-use function
-
Maximum 4 time-of-use time frames and 4 seasons;
-
Maximum 3 day type time schedules, plus one holiday time schedule;
-
Maximum 80 time-of-use time schedule setting points;
-
Maximum 150 programmable dates;
-
Supporting holiday, season switching, daylight saving, settlement and timing demand reset;
-
Every TOU time frame supporting maximum 5 energy and demand registers;
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Every demand supporting maximum 2 accompany demands;
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