Gas Sensor

High sensitivity to low-flammable refrigerants R-32 and R-1234yf. Features improved selectivity, low power consumption at 280mW, and durable TO-5 metal housing. Ideal for stationary leak detectors in AC and refrigeration systems.

MC107B catalytic gas sensor with linear bridge output, fast response, and H2S poisoning resistance. Ideal for household natural gas, LPG, and coal gas leak detection. Stable and reliable with 5-year lifespan.

The SFA30 provides real-time HCHO detection in ppb with low ethanol cross-sensitivity. Features patented anti-dry electrochemical cell, 6-year lifespan, and I2C/UART interface. Fully temperature and humidity compensated for reliable HVAC and air purifier integration.

High-performance NH3 gas sensor for leak detection and discontinuous measurement in portable detectors. Features

GM-802B MEMS ammonia sensor offers high sensitivity, quick response, and long life. Ideal for refrigerator gas detection and cold storage ammonia leak monitoring. Features low power consumption, simple drive circuit, and robust structure. Custom options available.

NDIR-based intelligent micro gas sensor with no oxygen dependence and anti-poisoning. Features long life of 3-7 years, high accuracy, and stable performance. Ideal for environmental monitoring, medical, and industrial applications. Offers analog and digital outputs with linearization and temperature compensation.

Filterless H2S sensor with 2-year life, 0-200ppm range, and 500ppm overload. Fast 35s response, 300-440nA/ppm sensitivity. Compact Φ32.3×16.5mm size. Ideal for industrial safety and gas detection systems.

Multi-gas sensor with SMD/SMT installation, 32mA current rating, and 5.1V max supply. Operates from -30°C to +85°C with over 4 years lifespan. Ideal for air quality and safety monitoring in industrial and consumer applications.

NDIR CO2 sensor module with dual-wavelength technology for anti-interference. Gold-plated chamber and PTFE filter ensure >5-year life. Supports UART, PWM, and analog output. Ideal for HVAC, fresh air systems, and smart homes.

NDIR SF6 gas sensor for leak detection, 0-1000ppm range, ±2%FS accuracy, T90

High-precision NO2 sensor with 0-20ppm range,

Dual-gas electrochemical sensor for simultaneous CO and H2S leak detection. Range 0-1500ppm CO and 0-500ppm H2S. Four-electrode design ensures high accuracy and stability. 3-year service life in air. Trusted CITICEL quality since 1977.

High-performance 5SF SO2 sensor with fast T90 response under 30 seconds and stable baseline of 0 ±2ppm. Linear output, no bias voltage needed, and long-term drift

High-precision electrochemical gas sensor with 0.1 ppm resolution and 50 ppm maximum overload. Features fast response time, long-term stability, and wide temperature range. Ideal for industrial safety and environmental monitoring applications.

ZE14-O3 electrochemical ozone module detects O3 with high selectivity and stability. Features anti-water vapor interference, no poisoning, 0-100ppm range, 0.1ppm resolution, and built-in temperature compensation. Digital and analog output. 3-5 year lifespan.

4H2-40000 CLE-0644-400 Hydrogen Gas H2 Sensor 4 Series Plug In Three Electrode Electrochemistry Specicifation: Baseline drift (-20℃~50℃) Equivalent < 20 ppm H₂ Resolution 80 ppm Linearity Full-scale linearity Long-term stability < 2% signal value/month Bias 0 mV (no external bias required) Environmental parameters Operating temperature -20°C to +50°C Operating humidity 15%–90% RH (non-condensing) Operating pressure 91–111 kPa (Standard Atmosphere ±10%) Storage temperature 0°C

High-precision electrochemical NO sensor with 2000 ppm range, fast T90 ≤ 25 s response, and wide -20℃ to 50℃ operating range. Features long-term stability, low baseline shift, and drop-in replacement for 3-series sensors. Ideal for stack emission monitoring in power plants, boilers, and furnaces.

Accurate 0-50 ppm CO detection with 0.1 ppm resolution and fast ≤30s response. Features long-term stability, wide temperature range (-20°C to 50°C), and intrinsic safety. Ideal for industrial safety, environmental monitoring, and biomedical applications. Compact ABS housing, 2-year lifespan.

High-performance electrochemical NH3 gas sensor with 0-100 ppm range, 0.5 ppm resolution, and ≤90s response time. Reliable ammonia detection for industrial safety. Compatible with standard four-series sensors.

ME4-HF sensor offers accurate HF gas detection from 0-10ppm. Features low power consumption, high precision, and strong anti-interference. Ideal for industrial and environmental monitoring. Stable performance with 2-year lifespan.