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Panelboard digital electrical measuring device: Shch20.1 version

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 panelboard digital electrical measuring device Shch20.1 is designed to measure current or voltage in DC circuits for operation as part of the 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 device provides the possibility of selecting the input signal measurement range, changing the reading range and the unit of measurement. Shch20.1 has the possibility to transfer information to computing devices via RS485 interface (Modbus RTU, original protocol). The device is made in a metal case of shield mounting. The mounting structure is designed for installation in a 50 mm thick shield. According to the order it is possible to install the device in a shield of other thickness. Safety class of the devices: 2,3,4 according to NP-001-2015.

Specifications

Mounting In the shield

Overall dimensions, mm 50×25×91

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 Digital switchboard (counting device); digits height: 9 mm; number of indicators: 4; indicator colour: red, yellow, green

Maximum reading range -1999 to 9999

Alarm When the upper limit of the input signal measuring range is exceeded by 5 %

Basic error ±0,1%

Galvanic isolation between RS485 interface circuits and input circuits absent

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)

Reprogramming parameters Measuring range of input signal; reading range of digital DUT; brightness of indicators; parameters of RS485 interface; setting of open circuit and threshold value; calibration of instrument parameters

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

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 device: Shch20.1 version

Key Highlights

Description

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