Commercial Energy Meter with Power Quality Control Functions SHMK120SP

Brand: ShMK

$90 - $300 USD

MOQ: 20 pieces

Key Features

Overall dimensions, mm: 173×290×88

Weight, kg, not more: 2,0

LED indication: 1 row of seven-segment indicators (8 indicators, sign height: 14 mm); single seven-segment indicator - to display the number of the selected tariff; single LED indicators to display various current parameters

Input signal: 1 A, 5 A, I/1 A, I/5 A, 100 V, 400 V, U/100 V; voltage rating: 57.73/230 V - phase, 100/400 V - interphase; input measurement frequency: 42.5 to 57.5 Hz

Supplier Information

ELECTROPRIBOR OJSC

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Description

ShchMK120SP is designed for measurement, control and registration of basic parameters of electrical energy in single-phase two-wire, three-phase three-wire and four-wire electrical networks and AC power supply systems with a nominal frequency of 50 Hz; measurement, registration and metering of active and reactive electrical energy for specified time intervals in single-phase and three-phase AC networks (technical and commercial metering of active and reactive electricity); measurement of quality indicators of electrical energy (technical and commercial metering of active and reactive electricity); measurement of quality indicators of electrical energy (technical and commercial metering of active and reactive electricity). ShchMK120SP is included in the State Register of measuring instruments of the Russian Federation No.

68977-17. Interverification interval is 12 years.

Specifications

Overall dimensions, mm

173×290×88

Weight, kg, not more

2,0

LED indication

1 row of seven-segment indicators (8 indicators, sign height: 14 mm); single seven-segment indicator - to display the number of the selected tariff; single LED indicators to display various current parameters

Input signal

1 A, 5 A, I/1 A, I/5 A, 100 V, 400 V, U/100 V; voltage rating: 57.73/230 V - phase, 100/400 V - interphase; input measurement frequency: 42.5 to 57.5 Hz

Measurement time

0.2 sec (current and voltage), 1 sec (frequency)

Power quality parameters

Voltage short-circuit; positive voltage deviation; negative voltage deviation; frequency; frequency deviation; short-term flicker dose; long-term flicker dose; voltage n-harmonic coefficient up to 50th order; summaries

Commercial electricity metering

Active energy received/released/summed by 8 tariffs; reactive energy received/released/summed/by r-th quadrant (r = 1, 2, 3, 4) by 8 tariffs; averaging time during measurement of energy increment (accounting interval), min: 1, 2, 3, 4, 5, 6, 10, 12, 1, 1.

Compliance of PCE measurements with the established Russian standards

GOST 30804.4.30-2013 ; GOST 32144-2013 ; GOST 30804.4.7-2013 (Class I) ; GOST R 51317.4.15-2012 ; GOST R 8.655-2009 ; GOST R 8.689-2009

Compliance with requirements for active and reactive energy meters

GOST 31819.22-2012 (Class 0,2S); GOST 31819.23-2012 (Class 1); GOST 31818.11-2012; GOST IEC 61107-2011

Galvanic isolation on the power supply circuit (main or backup) and on the input circuits

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RS485 communication interface

Quantity: 2; protocols: Modbus RTU, IEC 60870-5-101

Ethernet communication interface

Ethernet 10/100BASE-TX (RJ45 connector) or Ethernet 100BASE-FX (ST connector) Number: 2; protocols: IEC 60870-5-104, IEC 61850-8-1 (MMS), IEC 61850-9-2 (SV) - optional

Remote human-machine interface

HTTP (embedded web interface)

Integration into the system of control of power quality indicators

HTTP (integration into the software package for visualization and control of power quality indicators supplied with the device)

Integration into external systems: telemetering, telemechanics, automated process control systems, SM&KE, ASCUE

RS485 (Modbus RTU, IEC 60870-5-101 with time stamp), Ethernet (IEC 60870-5-104, IEC 61850-8-1 (MMS)), optical local interface of "opto-port" type (IEC 61107), test pulse output interface

Time synchronization

NTP (RFC 5905)/PTP (IEEE `1588); clock error not more than ±1 sec. per day; clock can operate for at least 15 days in the absence of external power.

Event logs

System event log - up to 1000 events with automatic overwriting of earlier events when the maximum is reached; power quality event log - up to 100 thousand events with automatic overwriting of earlier events when the maximum is reached.

Storage of measurement results

In the internal non-volatile memory of measured PCE values; cyclic buffer for storing profiles of all values with a storage depth of at least 90 days (2160 hours) with automatic overwriting of earlier records after the free space is exhausted.

Electricity test protocol

In accordance with GOST 32144-2013 for any time interval not less than 90 days.

Power supply voltage

Main: 220VU (90 to 264 VAC with frequency (50 ± 0.5) Hz or 130 to 370 VDC); Standby: "RESERVE" (90 to 264 VAC with frequency (50 ± 0.5) Hz or 130 to 370 VDC).

Power consumption from the power supply circuit, not more

10 V?A (full power) when powered by 50 Hz single-phase AC power supply, 10 W when powered by DC power supply

Reprogramming

Via "Configurator" programme (RS485, Ethernet interface), via web interface

Operating temperature range

-40 to +55 °C (relative humidity 90% at +30 °C)

Degree of protection

IP51

Resistance to mechanical influences

Group 4 according to GOST 22261

Electromagnetic compatibility

Interference immunity: GOST R 51317.6.5, interference emission: SISPR 22 for class A