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JHJDQ series remote transmission gas density relay
  • JHJDQ series remote transmission gas density relay

JHJDQ series remote transmission gas density relay

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recommendation index:
With temperature compensation device
Suitable for different indoor and outdoor installation needs
Built-in high-precision electronic pressure sensor
Support remote monitoring of gas status
  • The meter has a Modbus digital signal output port, which supports remote monitoring of gas status, meeting the requirements of smart grids and modern power stations

  • Medium and high voltage equipment for gases, enclosed gas tanks, SF6 insulated combinators (GIS) and SF6 mixed gas insulated combinators, etc

  • Monitoring gas type

  • JHJDQ-100 is suitable for monitoring SF6 gas

  • JHJDQ100-HQ1 is suitable for monitoring SF6/N2 gas mixtures


project

parameter data

Shell diameter

100mm

Digital sensing unit measurement parameters

pressure

Range: 0MPa~ 1MPa (absolute pressure), error: ± 0.2% F.S.

P20

Range: 0MPa~ 1MPa, error: ± 0.5% F.S.

temperature

Range: -40 ℃~ + 80 ℃, error: ± 0.5 ℃

Mechanical sensing unit measurement parameters

fundamental error

Class 1.0, @20 ° C

1.6 grade, @-40 ℃~ + 70 ℃

switching difference

0.2%-3%F.S.

Consistency between on-site display and remote data

Temperature 20 ℃: ± 1.0% F.S.

Other temperatures: ± 1.6% F.S.

working environment

operating temperature

-40℃~+70℃,

relative humidity

Resistance ≤ 95%RH resistance

elevation

< 3000 meters

Remote transmission part of the main electrical performance indicators

working voltage

DC 24V

power consumption

<2W

mode of communication

RS485

communication protocol

ModBus RTU


Related recommendations

JHJDQ-HQ series, gas density relay

Temperature compensation device

JHDT-100 SF6 Density Transmitter

Equipped with real-time monitoring of pressure and gas temperature

JHDT-100W SF6 Wireless Density Transmitter

Equipped with real-time monitoring of pressure and gas temperature

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