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Precision Gas Sensing for a Smarter World

Leading manufacturer of CO2, PM2.5, O3, TVOC, and multi-gas sensors. Trusted by global partners including Samsung Group. Delivering reliable, intelligent sensor-based IoT solutions from China to the world.

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About Fosen

Henan Fosen Electronics Technology Co., Ltd. (Fosensor) is a leading provider of sensor-based IoT solutions, dedicated to innovation and quality in gas sensing technology.

From China, for the world — we are committed to being the global leader in intelligent environmental monitoring and industrial safety sensors. Our strategic partnership with Samsung Group highlights our commitment to excellence and technological advancement.

  • Advanced R&D in infrared, electrochemical, and MEMS sensors
  • ISO-certified manufacturing processes
  • Global distribution and technical support
  • Participation in the 138th Canton Fair, Guangzhou 2025
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Our Products

High-performance sensors for air quality, industrial safety, healthcare, and smart environments. All designed for reliability, precision, and seamless integration.

CO2 Sensor

CO2 Sensor

NDIR-based high-accuracy carbon dioxide detection for indoor air quality and HVAC systems.

  • NDIR Technology
  • Long lifespan
  • Digital output (UART/RS485)
O3 Sensor

O3 Sensor

Electrochemical ozone sensor for environmental monitoring and industrial safety.

  • High sensitivity
  • Low power consumption
  • Stable performance
PM2.5 Sensor

PM2.5 Sensor

Optical particle sensor for real-time monitoring of airborne particulate matter.

  • Laser scattering principle
  • Detects PM1.0, PM2.5, PM10
  • Ideal for air purifiers
TVOC Sensor

TVOC Sensor

Metal oxide semiconductor (MOS) sensor for total volatile organic compounds.

  • Fast response time
  • Low maintenance
  • Suitable for smart homes
Multi-in-one Module

Multi-in-one Module

Integrated sensor module measuring CO2, PM2.5, TVOC, temperature, and humidity.

  • All-in-one solution
  • RS485/WiFi support
  • Tuya APP compatible
Air Quality Monitor

Air Quality Monitor FS11006AC

Smart air quality detector with color display and real-time monitoring.

  • 4-inch HD color screen
  • Supports HVAC integration
  • Remote control via Tuya APP
Portable Air Quality Monitor

Portable Monitor FS11007DC

Rechargeable handheld device for on-the-go air quality testing.

  • Battery powered
  • Alarm reminder function
  • Measures CO2, PM2.5, TVOC, CH2O
Industrial Gas Detector

Industrial Gas Sensor

Robust sensors for combustible, toxic, and hazardous gas detection in industrial settings.

  • Explosion-proof design
  • High reliability
  • Wide detection range
View All Products

Applications

Our sensors power intelligent systems across industries — from smart homes to industrial safety and healthcare.

Indoor Air Quality

Smart homes, offices, schools — real-time monitoring of CO2, PM2.5, and VOCs.

Industrial Security

Gas leak detection, fire warning, and hazardous environment monitoring.

Healthcare

Medical oxygen sensors, patient monitoring, and hospital air quality.

Smart Agriculture

Greenhouse climate control, livestock monitoring, and soil gas analysis.

Automotive Electronics

Cabin air quality sensors and Li-battery thermal runaway detection.

Smart Robot Inspection

Autonomous robots equipped with multi-gas sensors for remote monitoring.

Advanced Sensor Technologies

Infrared Gas Sensor

Utilizes NDIR technology for highly accurate CO2 and hydrocarbon detection with long-term stability.

Electrochemical Sensor

Ideal for detecting toxic gases like CO, O3, and H2S with high sensitivity and low power.

MEMS Gas Sensor

Miniaturized sensors for portable devices using micro-electromechanical systems.

PID Gas Sensor

Detects volatile organic compounds (VOCs) at very low concentrations using photoionization.

Semiconductor Sensor

Cost-effective solution for detecting combustible and reducing gases.

Catalytic Gas Sensor

Used for detecting flammable gases in industrial and mining environments.

Latest News

July 4, 2023

Samsung Strategic Partnership

Fosensor announces a major collaboration with Samsung Group to integrate advanced air quality sensors.

Upcoming

138th Canton Fair 2025

Visit us at Pazhou Complex, Guangzhou, to see our latest AI and environmental sensors.

New Product

FS11007AC Smart Controller

4-inch HD screen, WiFi/RS485, Tuya APP control for HVAC and fresh air systems.

Get in Touch

For inquiries, partnerships, or technical support — reach out through the official Fosensor website.

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