NAS-IR500

Gas Sensors

Examples of Gas Detection：

Click for the full list of detectable gases.

Certifications

Technical Parameter

Technical Specifications	Parameter Details
Detection gas	Methane and combustible hydrocarbons gases and steam
Detection principle	NDIR
Detection range	0%LEL-100%LEL
Detection method	Diffusion type
Response time	T90<30s (T90<6s in the case of rapid filling of the gas chamber)
measurement accuracy	±2% LEL
Resolution ratio	1%LEL
Service life	≥10years
long-term stability	±3% LEL
Output signal	Digital signal
Power consuption	≤1 watt (no heating) ≤4 watt (with heating)
Supply voltage	VCC：6V Heater：24V
Ambient temperature	-40℃ ～ 70℃
Relative humidity	0-95%RH/no condensation
Atmospheric Pressure	101kPa±20kpa
Connection thread	M25*1.5
Shell material	S316 stainless steel/aluminum alloy
Overall dimension	87×186mm（ΦxL）
Weight	1500g(S316 stainless steel shell)
Application	Petrochemical industry, drilling platforms, oil refineries, gas turbines, LNG/LPG storage tanks, tunnels, and mines

Product Features

Long optical path gas chamber, high detection sensitivity, high resolution, good accuracy
Dual optical path detection, self-correcting optical path, high reliability, strong anti-interference ability
Infrared light absorption principle, stable sensing performance, long service life
Multi-channel digital signal output, optional hydrocarbon detection gas types, and customizable detection ranges
No need for frequent calibration, low zero drift, high long-term stability
Intelligent temperature compensation, -40 to +70°C, meets the accuracy requirements of national standards
Optical path self-diagnostic alarm function, convenient for optical path cleaning
Resistance to gas poisoning such as silane, halogen elements, and hydrogen sulfide
Normal use in an oxygen-deficient environment;

Structure & Dimension Diagram

Detectable Gases

Paid Components

Video

Nuoan Team Building | Inside Our Industrial Gas Detection Team

Nuoan Gas Detection Laboratory | Precision Testing & Quality Assurance

Gas Detector Manufacturing | Nuoan Factory Production & Assembly Line

Get in Touch

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Address

1301, 1401, 1501, 1601, Building C1, No. 459, Qiaokai Road, Fenghuang Community, Fenghuang Street, Guangming District, Shenzhen, China (518107)

Email

sales@nuoan.com

+86 19928876242

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