Nuoan logo
Nuoan logo
Gas Detection Manufacturer
Gas Detecting And Monitoring Products/Systems and Solutions
Infrared combustible gas detector
Suitable for petrochemical, oil & gas,LNG/LPG, pharmaceutical industries
Volatile Organic Compounds(VOCs) gas detector
Detection accuracy: ppb level
Portable Gas Detector Multi-Gas Detection
Simultaneously detects 1 to 6 gases
Previous slide
Next slide
Gas Detection Manufacturer
Gas Detecting And Monitoring Products/Systems and Solutions
Volatile Organic Compounds(VOCs) gas detector
Detection accuracy: ppb level
Infrared combustible gas detector
Suitable for petrochemical, oil & gas,LNG/LPG, pharmaceutical industries
Portable Gas Detector Multi-Gas Detection
Simultaneously detects 1 to 6 gases
Previous slide
Next slide

What Products We Supply

The products include  gas detectors, gas alarm controllers and monitoring systems, gas analysis and pre-treatment systems，explosion-proof audio-visual alarm, flame detectors,gas sensors, and industrial HSE IoT.

Fixed-type PID VOCs Detector
Fixed-type infrared combustible gas detector
Fixed-type catalytic combustible gas detector
Fixed-type toxic and oxygen gas detector
Explosion-proof sound and light alarm
vocs detector
PIDSense880

Fixed-type photoionization VOCs detector

Gas Detection：Benzene
Detecting Gas Types

VOCs, such as benzene, toluene, aniline, butadiene, etc.

PID Detector Applications
Typical Application Scenarios

Scenarios that are prone to producing volatile organic compounds, such as the production, storage, and transportation of petrochemical products.

PID Detection Principle
Detection Principle

Photoionization detection(PID)

PID Detector Certification
Product Certification

EAC,SIL, CE-EMC, HART,PAC,etc.

Infrared Combustible Gas Detector
GTYQ-IR500L

Fixed-type infrared combustible gas detector

infrared gas detection
Detecting Gas Types

Primarily detects various hydrocarbon combustible gases, such as methane, ethane, propane, ethylene, isobutane, etc.

Applications of infrared gas detection
Typical Application Scenarios

Industrial environments with flammable and explosive gases, particularly suitable for continuous monitoring under harsh conditions including high humidity, high dust, oxygen-deficient or oxygen-free atmospheres.

Working Principle of infrared gas detection
Detection Principle

Infrared absorption

Certification of infrared gas detection
Product Certification

ATEX, IECEx,EAC, PAC, CE, etc.

Catalytic Combustible Gas Detector
SNE4100B

Fixed-type catalytic combustible gas detector

Which gases do combustible gas detectors detect?
Detecting Gas Types

Primarily for combustible gas detection, operating range: 0% LEL ~ 100% LEL.

Combustible Gas Detector Applications
Typical Application Scenarios

 Suitable for continuous monitoring in areas with potentially explosive gas atmospheres, such as petrochemical plant areas, tank farms, and pipe trenches.

Operating Principles of Combustible Gas Detectors
Detection Principle

 Catalytic combustion(poison-resistant)

Combustible Gas Detector Certification
Product Certification

CE-EMC,CPA,SIL,CE, China (Ex) ,etc.

Toxic Gas Detector
SNE600E

Fixed-type toxic and oxygen gas detector

Which gases do toxic gas detectors detect?
Detecting Gas Types

Used for detecting toxic and harmful gases and oxygen, such as carbon monoxide, hydrogen sulfide, ammonia, chlorine, etc.

Toxic Gas Detector Application Scenarios
Typical Application Scenarios

Widely used in petroleum, chemical, metallurgical, power and other industrial fields for continuous monitoring of toxic gas and oxygen concentrations in production facilities and storage areas.

Detection Principles of Toxic Gas Detectors
Detection Principle

Electrochemical

Toxic Gas Detector Certification
Product Certification

EAC,PAC,SIL, CE-EMc,HART etc.

Audible and Visual Alarm
G003

Explosion-proof sound and light alarm

Alarm sound type adjustable
Detecting Gas Types

Depend on gas detector

High-brightness light alarm with low power consumption
Typical Application Scenarios

Typically installed in Zone 1 and Zone 2 explosive hazardous environments, integrated with gas detection systems to provide strong warnings to on-site personnel during emergencies such as gas leaks.

Working Principle of Regional Audible and Visual Alarms
Detection Principle

An alarm output device that receives abnormal signals from detectors or gas controllers to trigger the built-in high-decibel buzzer (110dB~120dB) and high-brightness LED light source for audible and visual alarms.

Area Audible and Visual Alarm Certification
Product Certification

EAC, China (Ex), CCC, CE-EMc, etc.

Solution

The Nuoan Intelligent Gas Alarm and Control System provides reliable safety protection for critical industries such as petroleum, chemical, metallurgy, and more, while also offering professional customized solutions based on specific needs.

Gas Detection Systems

GDS Gas Detection and Alarm Control System

The GDS system employs high-performance gas detectors to accurately measure ambient gas concentrations, transmitting data to the host via standard signal, bus, wireless transmission, or industrial Ethernet.


The system enables real-time monitoring of gas concentration, instant alarm alerts, historical alarm queries, trend analysis, report generation, distribution charts, and SMS notifications. 

Discover more
Industrial Environment Gas Detection IoT

Industrial Gas Monitoring IoT
Solution

Real-time monitoring and collection of flammable and toxic gas information at detection points. Through network access of various devices, it achieves ubiquitous connectivity between objects and between objects and people, enabling comprehensive control over detection points to ensure the safety of staff.

Gas Sampling Pretreatment Monitoring System

Online Monitoring System for Sampling Preprocessing

A specialized system for real-time online analysis of combustible and toxic gas concentrations in harsh environments (e.g., dust, impurities, moisture, high temperatures, negative pressure).

Customized Gas Detector Detection System

Industrial Gas Leakage Prevention Plan

For the detection of toxic and harmful gases in facilities such as petroleum refining, chemical and pharmaceutical industries, urban utility tunnels, storage tank areas, sewage treatment plants, and waste treatment plants, a full-chain online monitoring system is constructed.

About Us

Shenzhen Nuoan Technology Co., Ltd

The GDS system employs high-performance gas detectors to accurately measure ambient gas concentrations, transmitting data to the host via standard signal, bus, wireless transmission, or industrial Ethernet.

Discover more
Founded in
0
Intellectual Property
0 +
Categories of gas detection
0 +
Customers' cases
0 +
Nuoan Global Services

Our Business

Cover Country/Region
0 +
Partner
0 +
Service Performance
0 +
Globale Design
0 +

Our Products

Product Series
0 +
Categories of Product
0 +
Categories of gas detection
0 +
Globale Design
0 +

Our Services

Over 60 technical support staff
0 +
27 years of experience
0 -years
12,000 square meters of
production workshop
0 m2
Lead-time range .Global warehousing
0 -weeks

Client Testimonials

The products include gas sensors, gas detectors, gas alarm controllers and monitoring systems, gas analysis and pre-treatment systems，explosion-proof audio-visual alarm, flame detectors, and industrial HSE IoT.

NUOAN

The products include gas sensors, gas detectors, gas alarm controllers and monitoring systems, gas analysis and pre-treatment systems.

NUOAN

The products include gas sensors, gas detectors, gas alarm controllers and monitoring systems, gas analysis and pre-treatment systems.

NUOAN

The products include gas sensors, gas detectors, gas alarm controllers and monitoring systems, gas analysis and pre-treatment systems.

Get in Touch

We will provide you with the most professional solution.

Address

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

Email

sales@nuoan.com

WhatsApp

+86 19928876242

Latest News

Common Toxic Gases in Wastewater Treatment

Industry Application | Common Toxic Gases in Wastewater Treatment and Supporting Pipe Networks

Read More  >
Multi-Gas Portable Detector

NuoAn Analysis | GB 46768-2025: Confined Space Work Safety Technical Specification

Read More  >
Gas detector China brand

The Rise of “Chinese Brand” Power: Nuoan Technology Leads the High-End Industrial Safety Market

Read More  >
See All News
Nuoan Technology Logo

Nuoan’s gas detectors provide instant, accurate alerts, protecting your people and assets 24/7.

Email: sales@nuoan.com
Phone: +86 19928876242
Address: 1301, 1401, 1501, 1601, Building C1, No. 459, Qiaokai Road, Fenghuang Community, Fenghuang Street, Guangming District, Shenzhen, China (518107)

Instagram Linkedin Youtube Tiktok X-twitter Facebook-f
Products
Solutions
Quick Links
Copyright © 2026 Shenzhen Nuoan technology Co., Ltd. All rights reserved.