Gas Sensor

The NC-170S single-header catalytic gas sensor operates at 2.0V with low drift and excellent stability. Designed for fixed gas alarms and densitometers, it offers compact size, easy integration, and reliable detection up to 60% LEL in harsh industrial environments.

YJJ CH-A3 catalytic combustion gas sensor detects combustible gases from 0-100% LEL with fast T90 response. Features IP66/IP67 protection, ATEX/IECEx certifications, and 3.3VDC operation. Ideal for oil drilling, industrial safety, and environmental monitoring.

YJJ 4SO2-20 electrochemical SO2 sensor detects sulfur dioxide concentrations from 0-20 ppm with 0.1 ppm resolution. Features fast T90 response under 45 seconds and high sensitivity of 0.5 μA/ppm. Ideal for industrial air quality monitoring and safety applications.

Industrial-grade ammonia sensor with 0-300 ppm linear range, T90 response under 40s, and 24-month lifespan. Features high sensitivity, wide temperature tolerance (-40°C to +50°C), and long-term stability. Ideal for portable and fixed gas detectors in harsh environments.

High reliability ethylene oxide gas sensor with 3-electrode electrochemical design. Features 1.9 ± 0.5 µA/ppm sensitivity,

Bias-free design simplifies circuit integration. Stable performance with

High stability electrochemical CO sensor with 0-5000 ppm range and 24 month lifespan. Ideal for industrial safety, portable detectors, and environmental monitoring.

YJJ A3EF electrochemical CO sensor offers 0-2000ppm range, H2 interference compensation, and built-in acid gas filtration. With linear output, T90 < 40s response, and >3 year lifespan, it ensures reliable detection in industrial safety systems.

YJJ A3STF/A3ST/F SO2 gas sensor uses four-electrode electrochemical principle for accurate 0-10 ppm detection. Features fast T90

Electrochemical CO sensor with H2 compensation for accurate smoke gas measurement. Range 0-10000 ppm, resolution 1 ppm, T90

High-precision electrochemical nitric oxide sensor for testo 340 analyzers. Measures 0-4000 ppm NO with 1 ppm resolution. Pre-calibrated for easy field replacement. Durable plastic housing, fast T90 response under 30 seconds. Ideal for industrial flue gas and combustion emission monitoring.

High-precision catalytic combustion sensor for detecting methane, propane, and hydrogen. Range 0-100% LEL, response time

Compact electrochemical CO sensor with 5-year lifespan, 0.5-1000 ppm range, and acid gas filter. Designed for smaller instruments, it meets RoHS standards and performs reliably in harsh conditions from -40°C to +60°C.

High-performance O2 sensor with 5-year life, 0.6-25% vol range, and

Compact SO2 sensor with 5-year lifespan, digital UART interface, and pre-calibration. Features ±5% precision, 0.1 ppm resolution, and wide temperature range (-20°C to 50°C). Ideal for industrial safety environments.

High-precision NO gas sensor for Testo 340 and 350 series analyzers. Features plug-and-play design with integrated adjustment data for quick, maintenance-free replacement. Measures 0-4000 ppm with 1 ppm resolution and ±5 ppm accuracy. Ideal for combustion exhaust gas detection.

0393 0100 CO gas sensor with 0-10000 ppm range and 1 ppm resolution for precise carbon monoxide detection. Features H₂ compensation and built-in adjustment data storage for easy replacement. Ideal for testo 340 flue gas analyzers in industrial exhaust analysis.

NX1 series gas sensors offer dual-technology options (electrochemical/catalytic) for toxic and combustible gas detection. High accuracy (±2% FS), low drift, wide temperature range (-40°C to +85°C), and IP65 protection. Ideal for portable detectors, fixed systems, and industrial process control.

CAT-16 combustible gas sensor offers outstanding poison resistance, stable performance with

High-sensitivity electrochemical sensor for sulfur dioxide detection in fixed gas alarm systems. Features 0-100 ppm range, fast T90 response under 60 seconds, and 2-year lifespan. Compatible with PAC 7000 and X-am series detectors. ATEX and IECEx certified.