Gas Sensor

High-precision electrochemical ozone sensor with 0-5ppm range, 50ppm overload, and 2-year lifespan. Features fast response under 60s, low drift, and wide temperature range. Ideal for water purification and air quality monitoring.

Catalytic combustion sensor module for hydrogen and combustible gas leak detection in fuel cell systems. Features linear analog output, maintenance-free operation, compact 50x30x25.3mm size, and moisture-proof coating. RoHS compliant with fast ≤30s response time.

Detects acetylene (C2H2) using non-dispersive infrared dual-beam technology. Range 0-100% LEL with ±1% accuracy. Features pre-alarm at 7% LEL and main alarm at 14% LEL. Operating temperature -10°C to 50°C. Modbus and open collector outputs. Compact 100x20x20mm design.

Electrochemical CO sensor with 0-10000ppm range, 0.7-1.4nA/ppm output, and

High-performance gas sensor with 650°C film temperature and >50,000h blackbody radiation life. Features 40±20Ω hot resistance, 1-20μm spectral output, and 700mW rated power. Ideal for industrial safety and environmental monitoring. Customizable.

MEMS process hydrogen sulfide sensor with high sensitivity, quick response, and low power consumption. Ideal for mini breath detectors. Features strong structure, long life, and simple driving circuit. Custom options available.

Product Description: YJJ NO2-B43F 4-Electrode Electrochemical Nitrogen Dioxide Sensor 0-20PPM for Air-Quality Monitor Features: I. Product Overview NO2-B43F is a four-electrode ppb-level high-precision NO₂ (nitrogen dioxide) electrochemical sensor from the Alphasense Alpha B series of the UK. It is commonly installed on the mainboard of gas analyzers (such as the MCX-MPCB1 detection instrument mainboard), and requires a signal processing circuit board to complete current

High-performance electrochemical SO2 sensor with 0-2000 ppm range, 35s response time, and 3-year lifespan. Ideal for CEMS, flue gas analyzers, and industrial emission monitoring. Direct replacement for mainstream 3-series sensors. Custom options available.

YJJ MP801 MOS air quality sensor detects benzene, formaldehyde, alcohol, and smoke with a range of 0.5-1000 ppm. Features high sensitivity (S≥2 at 10 ppm alcohol), adjustable load resistance, and stable performance. Ideal for indoor air monitoring and industrial applications.

Solid polymer electrochemical sensor with ±5% F.S. accuracy, UART output, and intelligent self-checking. Factory-calibrated, supports sleep/wake modes for IoT. Lifetime >3 years, operating range -40°C to +55°C.

MP-702 ammonia sensor uses a thick film metal oxide semiconductor on an Al2O3 substrate for reliable NH3 detection from 0-100ppm. Ideal for refrigerator, cold storage, and agricultural risk control systems. Offers high sensitivity, durability, and easy circuit integration.

MEu-2O2 oxygen sensor uses fixed potential electrochemical principle for accurate O2 measurement. Features low power consumption, high precision, wide linear range, and excellent stability. Ideal for mining, warehouse, and environmental monitoring. Long-term drift

The CLL-6112-300 combustible gas sensor offers excellent impact resistance, long-term stability, and resistance to H2S and HMDS toxicity. Ideal for 0-100% LEL detection, it ensures reliable performance in demanding environments with custom options available.

High-accuracy gas sensor with 0-100% measuring range and ±2% full scale accuracy. Features fast 13-second T90 response, compensated temperature coefficient, and 60-month expected life. Ideal for hazardous environments in mining, oil & gas, and chemical processing. Custom options available.

High-performance electrochemical CO sensor with 2000PPM range, 50nA/ppm sensitivity, and

High sensitivity to Freon and benzene gases. Features 5V constant voltage, low power consumption, fast response, and excellent stability. Ideal for industrial refrigerant leak detection with long service life and simple drive circuit.

The VOC-B4 electrochemical gas sensor offers accurate detection of VOCs and CO for environmental air quality monitoring. Features fast response time, low power consumption, and compatibility with Alphasense ISB boards. Suitable for indoor air quality, industrial safety, and HVAC systems.

Compact electrochemical O3 sensor with 0-20 ppm range,

MC105 catalytic gas sensor detects alkane concentrations in industrial fields. Features linear bridge output, fast response, and excellent resistance to H2S and silicone poisoning. Ideal for natural gas, LPG, and solvent vapor leak alarms.

High-performance 0-100% LEL combustible gas sensor with 2.3V operating voltage. Features excellent shock, H2S, and HMDS resistance for reliable long-term stability. Ideal for industrial safety systems. 12-month warranty.