Mercury 236 ART
The meters are designed for unidirectional multi-tariff measurement of active and reactive electric energy and power, as well as measurement of electrical parameters in three-phase and four-phase AC networks with subsequent accumulated data storage, generation of events and transmission of information to the AMR/AMI system's data collection centers.
The meters are designed for indoor operation and can be installed in the areas with additional environmental protection (installed inside premises, inside cabinets or boards).
The meter modifications are available with different rated and peak current, and additional functionalities which are not related to metrological perfomance.
|Meter accuracy class (active/reactive)||
|• with rated / peak current 5/10 A||0.5S / 1|
|• with rated / peak current 5/60, 10/100 A||1 / 2|
|Rated voltage, V||
3*230 / 400
|Base/peak current, A||
5 / 10; 5 / 60; 5 / 100
|Peak current for meters with rated / peak current 5/60,10/100 A during 10 ms||30*I max|
|Peak current for meters with rated / peak current 5/10 A during 0.5 s||20*I max|
|Starting current, А||
|• CT, CT&VT connections||0.005|
|• direct connection||0.02|
GOST R 51350, GOST R 52322, GOST R 52425.
|Active/total power consumption in each meter voltage circuit at rated voltage, W/V*A||1 / 9|
|Additional active/ total power consumption with available PLC modem in each meter voltage circuit at rated voltage, W/V*А||1.5 / 24|
|Total power consumed by each current circuit, max, V*А||0.1|
|Number of tariffs||4|
|Data retention during power outage, years||10|
|Calibration interval, years||16|
|Warranty period, years||3|
|Mean time between failures, min, h||220,000|
|Operating temperature range, °C||-45 to +70|
|Weight, max, kg||0.9|
|Dimensions (LхWхH), mm||158x72x154|
— Multifunctional meters for AMR/AMI systems in small-size housing with DIN-rail mounting are similar in most functions to the multifunctional meters Mercury 234.
— The meter measures, stores, displaying on LCD and communicate information via different interfaces of active and reactive electrical energy independently by every tariff zone and cumulatively for all tariff zones for the following periods of time:
- total cumulative energy;
- energy at the beginning of the current day and 123 previous days (for meters with Q index);
- energy at the beginning of the current month and 36 previous months (for meters with Q index);
- energy at the beginning of the current year and previous year;
- consumption for the current day and previous day;
- consumption for the current month and 11 pre vious months.
— Energy measurement independently from current circuits phasing (measurement per module).
— TOU with the option of setting individual schedule for every day of the week based on 4 tariffs, 16 time zones per day. Individual tariffs schedule is set every month. Minimal interval of each tariff during 24 hours is 1 minute. Multi-tariff perphase metering function.
— Measurement of electrical network parameters.
- instantaneous values of active, reactive and total power for each phase with total power vector direction indication;
- RMS of phase currents and voltages ;
- phase angles values;
- power frequency;
- power factors of each phase and o f their sum;
- THD of sinusoidal phase lines.
— Power profile and technical losses power profile with arbitrary integration period from 1 to 60 minutes. The storage period is
170 days for 30 minutes averaging time.
— Recording of morning and evening peaks of active and reactive power at a specified interval with a monthly schedule.
— Event logging including power quality events.
— Pulse output including a load c ontrol function.
— Automatic self-diagnosis with error indication.
— Nonvolatile electronic crimped seals.
— Recording of unauthorized impacts to the indelible event log.
— Multifunctional LCD with backlight and OBIS-c odes indication.
— LCD indication of data without main po wer.
Table of commercially available meters modifications. Other modifications are available on request.
|Modification||Rated voltage, V||Nominal/ maximum current, А||Accuracy A/R||Interfaces, relay|
|Mercury 236 ART-01 PQRS||3*230/400||5(60)||1,0/2,0||optical port, RS-485|
|Mercury 236 ART-02 PQRS||3*230/400||5(100)||1,0/2,0||optical port, RS-485|
|Mercury 236 ART-03 PQRS||3*230/400||5(10)||0,5S/1,0||optical port, RS-485|
|Mercury 236 ART-01 PQL||3*230/400||5(60)||1,0/2,0||optical port, PLС-I|
|Mercury 236 ART-02 PQL||3*230/400||5(100)||1,0/2,0||optical port, PLС-I|
|Mercury 236 ART-03 PQL||3*230/400||5(10)||0,5S/1,0||optical port, PLС-I|
Meter modification code structure:
Mercury 236 ART-0X P Q R L S
А – active energy measurement,
R – reactive energy measurement,
T – tariffs (TOU) , electronic seals,
0Х – code of rated/peak current and voltage, accuracy class,
Rated/peak currents, voltages and accuracy classes
|Code||Rated (peak) current, A||Rated voltage, V||Code Accuracy class|
|01||5/60||3 x 230/400||1/2|
|02||5/100||3 x 230/400||1/2|
|03||5/10||3 x 230/400||0.2S/0.5 or 0.5S/1|
Q – power quality measurement,
R – interface RS-485,
L – interface PLC-I,
S – internal power supply for interface RS-485.
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