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Digital Multifunction Power Quality Measurement Device - SHM Model for Accurate Energy Monitoring

Electrical Measuring Devices

Manufacturer: ELECTROPRIBOR OJSC

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Description

The ShchMK120S device is designed for measurement, control and registration of the main parameters of electrical energy up to the 50th harmonic in single-phase two-wire and 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 three-phase AC networks (including technical and commercial metering of active and reactive electricity) in accordance with the requirements of the Russian Federation State Register of Measuring Instruments No. 617-16-16. ShchMK120S is included in the State Register of measuring instruments of the Russian Federation No. 60431-15. Interverification interval - 10 years.

Specifications

Average MTBF

250000 ?

Overall dimensions, mm

120?120?93 (without protective cover), 120?120?103 (with cover)

Weight, kg, not more

0,7

LED indication

3 blocks of seven-segment indicators (4 indicators per block); single LED indicators for displaying units of measurement, distinctive indices and signs of displayed parameters; sign height: 20 mm; seven-segment indicators for displaying the current state o

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 at 8 tariffs; reactive energy received/released/summed/ by r-th quadrant (r = 1, 2, 3, 4) at 8 tariffs

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

Got it

RS485 communication interface

Quantity: 2; protocols: Modbus RTU, IEC 60870-5-101 Interface exchange rate: 200, 300, 600, 1200, 1200, 2400, 4800, 4800, 9600, 19200, 38400, 57600, 115200 bits/sec.

Ethernet communication interface

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

Remote human-machine interface

HTTP (embedded web interface) with access by device IP address

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

IEC 60870-5-104, IEC 61850-8-1 (MMS), Modbus TCP, IEC 60870-5-101, Modbus RTU

Time synchronization

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

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 (from 90 to 264 V AC with frequency (50 ± 0.5) Hz or from 130 to 370 V DC); standby ("RESERVE"): 220VU (90 to 264 VAC with a frequency of (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 22261-94

Industrial noise level

GOST 30805.22-2013 for class A equipment

Inspection interval

10 years

Warranty period of operation

36 mos.

Average service life, at least

30 years

Note: All specifications are provided by the manufacturer and may be subject to change. Please contact us to confirm the latest specifications before placing your order.

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Shipping Terms

FOB Novorossiysk, Russia CIF Available to major ports worldwide EXW Manufacturer's facility, Russia

Delivery Time

Sea freight: 30-60 days (depending on destination) Air freight: 14-21 days (for urgent orders)

Payment Methods

Letter of Credit (L/C) Wire Transfer (T/T) Escrow Services

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Digital Multifunction Power Quality Measurement Device - SHM Model for Accurate Energy Monitoring

Description

Specifications

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