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Panelboard digital electrical measuring instrument: version Shch21.3

Electrical Measuring Devices

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Key Highlights

Made in Russia - engineered for durability
Suitable for challenging environments
Lower cost of ownership than European alternatives
Bulk orders available with volume discounts
Documentation and customs clearance assistance provided

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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Panelboard digital electrical measuring instrument: version Shch21.3

Key Highlights

Description

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