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  • Hydrogen concentration detector/transmitter GAir-h2
  • Hydrogen concentration detector/transmitter GAir-h2
Hydrogen concentration detector/transmitter GAir-h2

The GAir-H2 intelligent hydrogen transmitter is a fully intelligent gas transmitter designed using the most advanced ultra large scale integrated circuit technology, international standard intelligent technology level design technology, and proprietary digital analog hybrid communication technology. The product has communication and self diagnosis functions, and is easy to install and maintain. The advanced performance of typical intelligent on-site monitoring instruments has been fully developed, which greatly meets the requirements of industrial on-site safety monitoring for high reliability of equipment, and is widely used in environmental protection, test equipment, metallurgy and petrochemical, fire safety and other industries.

■ Fully realize the digitization and intelligence of two-wire gas transmitters;

■ 4-20mA signal output;

■ Unique LCD with backlight design technology, the observation and maintenance of on-site equipment are no longer troubled by changes in light;

■ Full range digital compensation;

■ The three explosion-proof buttons enable the transmitter to be freely configured on site, such as viewing, setting, and calibration;

■ Design of intrinsically safe circuits and explosion-proof enclosures, ensuring safe, convenient, and fast on-site maintenance;

■ The entire shell can rotate 360 degrees according to installation requirements.

Product Details

Technical specifications


service life More than 2 years of working life
range 0~20000ppm or 0~50% LEL
measurement accuracy <5%F.S
Shell material Aluminum alloy explosion-proof shell
Overall dimensions 180×130×74
Total weight 1.8kg
Explosion proof level Exd IIC T6
Protection level IP66
LCD display (optional) 50 segment percentage bar progress
5-digit 8-segment digital display measurement value
8-bit 16 segment meter shaped information prompt
LCD display mode ppm
Working environment temperature -20~50℃
Working environment humidity 10~95% RH non condensing
Analog signal output 4~20mA linear output
working voltage 24VDC(12~35VDC)

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Deeply rooted in the sensing industry, we integrate R&D, production and sales, focusing on the R&D, manufacturing of intelligent sensing equipment and supply of relevant solutions.
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Email: ming@greystoneenergy.com.cn

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