Three-phase electronic counter Mercury-230. Encyclopedia of radio electronics and electrical engineering

Encyclopedia of radio electronics and electrical engineering / Electric meters

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Mercury-230 TU AVLG 411152-021 is designed to account and measure active or active-reactive electricity in three-phase AC networks with a frequency of 50 Hz at 4 tariffs in one or two directions. Availability of modifications with a power profile. The only electric meter in Russia that allows preventing the possibility of electricity theft in case of violation of the phasing of the connection of the current circuits of unidirectional meters. Accuracy class 0.5(1.0), 1.0(2.0). CAN interface.

Features of the electric meter Mercury-230

- extended operating temperature range;
- technological margin by accuracy class;
- digital and pulse output allow the meters to be used both autonomously and in the ASKUE system;
- low own power consumption;
- counters have a CAN serial communication interface that provides information exchange with IBM PC;
- the counter has 2 modes of indication (removal of information) manual and automatic;
- the only meter in Russia that allows preventing the possibility of electricity theft in case of violation of the phasing of the connection of the current circuits of unidirectional meters.

Technical characteristics of the electric meter

Accuracy class	0,5(1,0); 1,0(2,0)
Rated voltage, V	3х57,7/100; 3х220/380
Rated (maximum) current, A	5(7,5), 5(50), 10(100)
Measuring network frequency range, Hz	from 47,5 to 52,5
Sensitivity, W	0,36
Meter constant, imp./(kWh); imp./(kvar.h) - in telemetry mode - in verification mode	5000 16000
Maximum parameters of the pulse output: - voltage, V - current strength, mA	24 30
Total power consumed by the voltage circuit, not more than, V * A	7,5
Active power consumed by the voltage circuit, not more than, W	0,5
Total power consumed by the current circuit, not more than, V * A	0,1
Tarificator	external or built-in
Digital CAN interface	+
Operating temperature range, ?С	from -20 to +55*
Meter weight no more than, kg	1,5
Overall dimensions (length, width, height), mm	258h170h74

* - changes in the constant updating of information on the LCD from 1 to 255 seconds allows you to keep the meter working at temperatures up to - 40 ° C.

Electric meter modifications

Mod.	Accurate class	Nomi- real. strain- zhenie, V	Nom. (max.) current, (A)	tariffs cator, interface, reading device	Add- body functions
Active energy measurement in 1st direction
230A-00	0,5	3x57,7 / 100	5 (7,5)	External, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ?
230A-01	1	3x220 / 380	5(7,5); 5(50)	External, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ?
230A-02	1	3x220 / 380	10 (100)	External, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ?
Measurement of active and reactive energy in the 1st direction
230AR-00	0,5	3x57,7 / 100	5 (7,5)	External, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ?
230AR-01	1	3x220 / 380	5(7,5); 5(50)	External, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ?
230AR-02	1	3x220 / 380	10 (100)	External, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ?
230ART-00	0,5	3x57,7 / 100	5 (7,5)	Integrated, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ?
230ART-01	1	3x220 / 380	5(7,5); 5(50)	Integrated, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ?
230ART-02	1	3x220 / 380	10 (100)	Integrated, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ?
230ART1-00	0,5	3x57,7 / 100	5 (7,5)	Integrated, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ? Power profile
230ART1-01	1	3x220 / 380	5(7,5); 5(50)	Integrated, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ? Power profile
230ART1-02	1	3x220 / 380	10 (100)	Integrated, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ? Power profile
230ART1-03	1	3x220 / 380	5 (7,5)	Integrated, CAN interface, LCD	Measurement per phase: current, voltage, frequency, cos ? Power profile
Measurement of active and reactive energy in 2 directions
230ART2-00	0,5	3x57,7 / 100	5 (7,5)	Integrated, CAN interface, LCD	Measurement per phase: active-reactive energy in 2 directions, frequency, cos ? Power profile
230ART2-03	0,5	3x220 / 380	5 (7,5)	Integrated, CAN interface, LCD	Measurement per phase: active-reactive energy in 2 directions, frequency, cos ? Power profile

Dimensional drawing of the electric meter Mercury-230

Resources, service life of the electric meter

- minimum time to failure of at least 55000 hours.
- calibration interval 8 years
- average service life of at least 30 years
- warranty period of operation 36 months.

Publication: cxem.net

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