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Home / Electrical & Lighting / Testing & Measurement / Electrical Meters / Digital Panel Meter / Digital Panel Electromeasuring Device for DC Current/Voltage - Model Щ21.3
Electrical & Lighting Testing & Measurement Electrical Meters Digital Panel Meter
Digital Panel Electromeasuring Device for DC Current/Voltage - Model Щ21.3

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

$90 - $360 USD
MOQ: 20 pieces

Key Features

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).
Basic error: ± 2,5%
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

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).
Basic error
± 2,5%
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)
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 ?

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