Welcome to the website of Hunan Gri Instrument Co., Ltd

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Hunan Gri Instrument Co., Ltd

Address:5/F, Bldg. 5, Xinggong Int'l Ind. Zone, No. 100, Luyun Road,
Yuelu Dist., Changsha, Hunan, China (Mainland)


  • brand GRI-IAT air quality monitor station also supply poisonous gas detector methane gas analyzer
brand GRI-IAT air quality monitor station also supply poisonous gas detector methane gas analyzer
Product Type:
Product Category: NO Gas Detector

Hot Line:0731-88860558

Product Description

Quick Details
Place of Origin:Hunan, China (Mainland)
Brand Name:GRI
Model Number:GRI-IAQ
Detecting Gas:PM2.5/PM10/CO/SO2/NO2/O3/Temperature/Humidity/VOC
Working Voltage:12VDC
Working Current:200mA
Shell Material:Aluminum
Temperature:-10-60 ℃
Output signal:RS485 /GPRS
Explosive proof grade:IP65/TVS 8000V Anti-Lightning /Anti-surge protection

Product Details


GRI-IAT is our new air quality online multi-parameter monitoring system, the main monitoring gas type include: PM2.5, PM10, CO, SO2, NO2, O3, TVOC, temperature, humidity and so on.  Others for customizable.


GRI-IAT can be used in a variety of environments, industrial production environment monitoring, tunnel traffic environment monitoring, and urban environmental monitoring. The atmospheric environmental data monitoring and analysis system can improve the processing and management of air pollution monitoring data, and provide decision-making basis for environmental planning and environmental assessment.


Main Feature

1)Implement multi-parameter automatic monitoring, and anti-jamming technology design.
2)High precision, reliable performances for outdoor and industrial environments to achieve various parameters, automatic upload network platform, automatically publish data.
3)Integrated GPRS communication technology, real-time monitoring of atmospheric environment data, real- time transmission of data, real-time monitoring equipment operating status Small size, modular design, grid flexible layout.
4)Integrated temperature compensation technology, long-term automatic calibration technology.
5)32-bit high-speed processing core chip.
6)Global positioning system, real-time tracking device.






Pollution control in traffic environment;
Road and tunnel pollution monitoring;
Urban air quality monitoring;
Emission monitoring of particulate and pollution sources;
Long-term air quality trends analysis;
Short-term atmospheric environmental impact assessment;
Environmental monitoring in residential areas, schools, Hospitals;
Park / forest environmental monitoring;
Industrial area air quality monitoring: Chemical plant, Power plant, Landfill, Incineration station, Port, Sewage treatment plant, Storage facilities, Underground facilities, etc.


GRI was established in 2009. Expert in gas detector market for 10years.


Q1:Are you factory or trade company?
A1:We are factory.

Q2:What about the payment method?
A2:T/T, Paypal, Western Union, L/C is available

Q3:Does your company accept customization?
A3:We do customizing service for customers.

Q4:What about the Shipment?
A4:We'll choose proper transportation mode based on the weight of goods, usually arrange shipment by air express such as DHL,FEDEX,TNT or UPS.

Q5:What about after-sale service?
A5:12 months warranty for all kinds of products;

Q6:What's the product range of our company?
A6:Industrail gas detector, fixed gas detector, home portable gas detector, priming pump gas detector, diffusion gas detector. Online gas monitor station. Gas anaylzer. Gas sensor.NDIR sensor.


Contact us:


Ms Coco Cao
Hunan Gri Instrument Co.,Ltd
Tel:+86 0731-88826348-8027 Fax:+86 0731-85687410 

Mobile:+86 19974893132
Skype: f-sale02
Website: http://old.cngri.net/en/  https://cngri.en.alibaba.com
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