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Digital Measurement Device for Electrical Panels - Model Щ72 for DC Current and Voltage Measurement

Digital Electrical Instruments

Manufacturer:ELECTROPRIBOR OJSC

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Description

The Shch72 device is designed for measurement and conversion of current or voltage in DC electrical networks into output unified DC signals and transmission of measured values via serial digital interface RS485. The possibility of information exchange via RS485 interface, availability of output analogue DC signals and discrete outputs allow to use the devices in automated systems of various purposes. The devices are used in power engineering and other areas of industry to control electrical parameters and have a continuous mode of operation. Shch72 is included in the State Register of SI of the Russian Federation No. 68258-17. Interverification interval is 10 years.

Specifications

Overall dimensions, mm

72x72x103 (with back cover), 72x72x75,6 (without cover)

Weight, kg, not more

0,4

LED indication

1 block of seven-segment indicators for displaying the values of the measured signal on the measuring channel; single LED indicators displaying the interface operation, the status of discrete outputs, highlighting the unit prefix; Height of sign: 14,2 mm (

Input signal

60 mV, 75 mV, 100 mV, 150 mV, 200 mV, 250 mV, 500 mV, 1000 mV, 2000 mV; 1 V, 2 V, 5 V, 10 V, 2....10 V, 20 V, 50 V, 100 V, 150 V, 200 V, 250 V, 300 V, 500 V, 750 V; 1 mA, 2 mA, 5 mA, 10 mA, 20 mA, 4...20 mA, 50 mA, 100 mA, 200 mA, 500 mA, 1000 mA, 2000 mA;

Range of readings

-19999 to +19999; -9999 to +9999 (version without interface)

Registering the maximum measured value

Armoured glass

Measurement time

0,2 ?

Basic error

Current and voltage: ±0.1 %, ±0.2 %; analogue output: ±0.5 %

Galvanic isolation of input and output circuits, power supply circuits

Got it

RS485 communication interface

Quantity: 0, 1, 2; Modbus RTU protocols; Interface exchange rate: 4800, 9600, 19200, 38400, 57600, 115200 bits/sec.

Analog outputs

Quantity: 0, 1, 2; Ranges: 0...5 mA, 4...20 mA, 0...20 mA, 0...2.5...5 mA, 4...12...20 mA, 0...10...20 mA

Discrete outputs

Quantity: 0, 1, 2 DC voltage 350 V, 200 mA or AC voltage 250 V, 200 mA

Power supply voltage

5VH - (5+4/-0.5) VDC; 12VH - (12+6/-3) VDC; 24VH - (24+12/-6) VDC; 220VU - 85 to 305 VAC 50 Hz or 100 to 430 VDC; 230V - 85 to 305 VAC AC frequency

Power consumption from the power supply circuit, not more

2.5 V?A (for devices with supply voltage 5VN, 12VN, 24VN); 4.0 V?A (for devices without RS485 version with supply voltage 220VU, 230V); 5.0 (for devices with supply voltage 220VU, 230V)

Reprogramming

Via the "Configurator" software (RS485 interface) or via front panel keys (if available)

Operating temperature range

From - 40 to + 70 °C (relative humidity 98 % at +35 °C)

Degree of protection

IP54

Inspection interval

10 years

Mounting

In the shield

Performances

General industrial; for operation at NPPs (safety class 4 according to NP-001-2015)

Warranty period of operation

60 mos.

Average service life, at least

20 years

Average MTBF

200000 ?

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, RussiaCIF Available to major ports worldwideEXW 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 Measurement Device for Electrical Panels - Model Щ72 for DC Current and Voltage Measurement

Description

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