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Digital Panel Electromeasuring Device for DC Current/Voltage - Model Щ21.3 for Nuclear Power Plants

Electrical Measuring Devices

Manufacturer: ELECTROPRIBOR OJSC

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FOB, CIF & EXW terms available

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Description

The shield digital electrical measuring device Shch21.3 is designed to measure current or voltage in DC circuits for operation as part of technical means of nuclear power plants, as well as in other industries. The device can be used in a set with primary converters for measurement of non-electrical quantities, if the ranges of the output electrical signal of primary converters correspond to the ranges of the input signal of the devices. The devices have the following features: selection of input signal measuring range, change of reading range and unit name, programming of indication colour change thresholds of discrete-analogue digital output, data transfer to computing devices via RS485 interface (Modbus RTU, original protocol).

The device is made in a metal case of panel mounting. The mounting structure is designed for installation in a 50 mm thick shield. According to the order it is possible to install in the shield of other thickness.

Specifications

Overall dimensions, mm

100×25×81 (?21.3.D), 25×100×81 (?21.3.C)

Input signal measurement ranges

0...75 mV (-75...0...75 mV), 0...200 mV (-200...0...200 mV), 0...1 V (-1...0...0...1 V), 0...10 V (-10...0...10 V), 2...10 V, 0...5 mA (-5...0...0...5 mA), 0...20 mA (-20...0...20 mA), 4...20 mA (-12...4...20 mA).

LED indication

Discrete-analogue DUT (reference unit); number of unit indicators of discrete-analogue DUT, type of indicator: 31, bar (risk); type of discrete-analogue DUT: line

Colour of indicators

Colour of indicators: red, yellow, green (changes when the signal passes the programmed colour change thresholds according to the order)

Basic error

± 2,5%

Galvanic isolation of input circuits, interface circuits and power supply circuits

Got it

RS485 communication interface

Quantity: 1; Modbus RTU protocol, original protocol

Power supply voltage

(24 ± 4) VDC

Power consumption from the power supply circuit, not more

1.5 V-A.

Reprogramming

Via "Configurator" program (RS485 interface)

Operating temperature range

From -10 to +50 °C (relative humidity 98 % at +35 °C)

Degree of protection

IP20

Safety Class

2, 3, 4 according to NP-001-2015

Mounting

In the shield

Inspection interval

6 years old

Warranty period of operation

24 mos.

Average service life, at least

15 years

Average MTBF

150000 ?

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 Panel Electromeasuring Device for DC Current/Voltage - Model Щ21.3 for Nuclear Power Plants

Description

Specifications

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