Gas Sensor
S4NH3-100 Ammonia Gas Sensor Electrochemical Three Electrodes High Precision 200PPM 2 Year Life
High precision electrochemical ammonia sensor with 200PPM max load, 2 year service life, and fast response under 90s. Ideal for industrial, livestock, and environmental ammonia detection. Low power, high sensitivity, and excellent stability.
YJJ ME3-NO2 Electrochemical Nitrogen Dioxide Sensor 0-20ppm for Industrial Environmental Protection
ME3-NO2 sensor uses electrochemical principle for accurate NO2 detection. Features 0-20ppm range, ≤25s response time, linear output, and long-term stability. Ideal for industrial environmental monitoring with 2-year service life.
TGS822 Alcohol Detection Sensor Ethanol Gas Detection Module 50-5000ppm Serial Output
High sensitivity ethanol gas sensor module with 50-5000ppm detection range. Features threshold alarm, serial port output, and 7-12V operation. Ideal for alcohol detectors and organic solvent monitoring. Fast response, customizable alarm polarity.
ME3-SO2 Electrochemical Sensor 0-100ppm Sulfur Dioxide Gas Detector Module
High precision SO2 sensor with low consumption, wide linear range, and excellent stability. Ideal for industrial safety and environmental monitoring. Features zero drift ≤0.2ppm and strong anti-interference. Custom options available.
Hydrogen Sensor 3HYE 20000 ppm Industrial Safety Detection Electrochemical
Three-electrode hydrogen sensor for industrial safety. Stable performance with low drift, operates from -20°C to +50°C, withstands up to 20000 ppm H2. No bias voltage needed, easy integration with 4-20 mA transmitters. Ideal for leak detection in chemical plants and fuel cell monitoring.
QRAE-3 014-0212-000 Compatible Combustible Gas Sensor 0-100% LEL Catalytic Bead
This replacement catalytic bead sensor for QRAE-3 detects most combustible gases from 0 to 100% LEL with 1% resolution. Features 30-second response time, 2-year operating life, and 2-year warranty. Ideal for industrial safety and gas detection applications.
NAP-57S Combustion Type Gas Sensor Single Head Industrial Flammable 2.5V 0-50% LEL
NAP-57S single head industrial gas sensor offers high sensitivity to all combustible gases, conforming to Chinese GB standard. Features 2.5V applied voltage, 0-50% LEL detection range, and superior gas sensitivity over NAP-55S and NAP-52A. Ideal for OEM and custom applications.
Industrial Electrochemical Carbon Monoxide Sensor 0-500 ppm SMD1003E for CO Gas Detection
Compact ceramic CO sensor with low power consumption ≤30 mW, dual voltage 3.3V/5V, fast response T90
Low Range NO Replacement Sensor 0-300 ppm 0.1 ppm for testo 340 350 Flue Gas Analyzer
Plug-and-play replacement sensor for low-range NO measurement in flue gas. Factory pre-calibrated for immediate use. 0-300 ppm range with 0.1 ppm resolution. Compatible with testo 340 and 350 analyzers. Durable plastic housing, 18 g weight.
YJJ 4SO2-20 Electrochemical Sulfur Dioxide Gas Sensor 0-20 ppm for SO2 Air Detection
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.
MTCS2601 Thermal Conductivity Gas Sensor for Primary Pressure Control 10⁻⁴ to 1000 mbar
Based on the Pirani principle, the MTCS2601 offers ultra-fast response (
SprintIR-WF-60 High Speed NDIR CO2 Sensor 0-100% Range 35mW Low Power for Industrial Use
High-speed 20Hz NDIR CO2 sensor with 0-100% measurement range and low 35mW power consumption. Features gold-plated optics, all-solid-state source, and optional ventilation pipe. Ideal for industrial, metabolic, and ventilator applications.
NE4-CO-SI Electrochemical CO Gas Sensor 50 ±10 nA/ppm Output 2000 ppm Overload
Low cost three-electrode CO sensor with high sensitivity and long-term stability. Compact 20.4mm design, linear output, resistant to shocks and humidity. Ideal for portable detectors and car-park monitoring. Lifetime >2 years.
TGS6814 Methane Gas Sensor Catalytic Combustion 100%LEL Detection Linear Output
TGS6814 catalytic combustion gas sensor detects methane up to 100%LEL. Features linear output, high stability, fast response, and excellent durability. Low sensitivity to organic vapors with a special filter layer. Resistant to silicon compounds for harsh environments.
HCl/M-20 3-Electrode Electrochemical Gas Sensor Highly Sensitive HCl Measurement for Portable Gas Detectors
The HCl/M-20 is a highly sensitive 3-electrode electrochemical gas sensor for accurate hydrogen chloride measurement. Designed for portable gas detectors, it offers excellent repeatability, linear output, and reliable performance across -20°C to 50°C and 15% to 90% RH.
YJJ ME3-CL2 Electrochemical Gas Sensor for CL2 Detection 0-100ppm Industrial Environmental Protection
ME3-CL2 electrochemical gas sensor offers low power consumption, high precision, and wide linear range for reliable CL2 detection. Features fast response (T90 ≤60S), excellent repeatability, and strong anti-interference. Ideal for industrial and environmental protection applications.
CRIR E1 C06-0801-000 Commercial CO2 Sensor 400-2000 ppm Fast Response Air Quality Monitoring
Compact CO2 sensor with 400-2000 ppm range, fast response, and 10-year lifespan. Features automatic baseline calibration, temperature compensation, and UART interface. Ideal for HVAC, air purification, and industrial monitoring. Maintenance-free for normal indoor use.
Electrochemical NH3 Gas Sensor NE4-NH3-1000 0-1000 PPM Ammonia Detector
High-performance electrochemical sensor for ammonia detection in 0-1000 PPM range. Features long-term stability, compact 20.4mm design, and sealed electrolyte enclosure. Ideal for portable instruments and fixed gas detectors. Operating temperature -30°C to +50°C.
PMS5003T PM2.5 Particulate Matter Sensor 0.3-10μm 5V ≤10s Response Time
High-precision PMS5003T sensor measures PM2.5 mass concentration (0-500 μg/m³) with ±10% accuracy, plus temperature (0-99°C) and humidity (0-99%). Features ≤10s response time, 5V operation, and ≥3 years MTBF. Ideal for air quality monitoring systems.
YJJ LOX-02-F Fluorescent Oxygen O2 Sensor 0-25% Flow-Through for Medical Use
LuminOx optical oxygen sensor uses fluorescence quenching for accurate 0-25% O2 measurement. Features long life, low power, factory calibration, and RoHS compliance. Ideal for medical and clean gas applications.