Gas Sensor

Compact black body light source with 2 to 14 μm radiation, high emissivity, and fast electro-mechanical modulation. Features low power consumption, long service life, and robust MEMS design certified to IEC 60721-3-7 Class 7M3. Ideal for NDIR and PAS gas detection in medical, automotive, and environmental applications.

German IT M-15 oxygen sensor designed for medical rescue and surgery. Features high reliability, fast response time (

High sensitivity and selectivity to acetone with low interference from ethanol and hydrogen. Compact design, quick response, and low power consumption at 125mW. Ideal for acetone detectors and breath acetone testers. Reliable performance for industrial and medical applications.

High-precision NDIR N2O gas sensor with analog and digital output, designed for medical and dental anesthesia monitoring. Features fast response (T90

High sensitivity semiconductor module for detecting formaldehyde, benzene, CO, and VOCs. Features fast response ≤20s, low power ≤60mA, and stable performance with ≤1%/year sensitivity drift. Ideal for indoor air quality monitoring systems.

Product Description: YJJ 7HYT AE702-404 Hydrogen Electrochemical Sensor for Fuel Cell & Hydrogen Workshop Monitoring Features: Specification Model: 7HYT Electrochemical Hydrogen Sensor Target Gas**: Hydrogen (H₂) Principle**: 3-electrode Electrochemical, 7-series housing - Measurement Range: 0 ~ 1000 ppm H₂ - Max Overload: 2000 ppm H₂ - Sensitivity: 0.03 ± 0.01 μA/ppm - T90 Response Time:

MH-Z1341B-CH4 NDIR Infrared Methane (CH4) Gas Sensor for HVAC & Building Safety Equipment Civil Flammable Gas Detectors Features: Professional NDIR Infrared Principle: Adopts non-dispersive infrared detection technology, free from catalyst poisoning risks compared with traditional catalytic combustion sensors, ensuring long-term stable detection performance. Ultra-low Power Consumption: Optimized internal circuit and optical structure design greatly reduces operating current,

High-precision NDIR N2O sensor with 0-1000 ppm range, ±10 ppm accuracy, and ≤8s response time. Features long lifespan, low humidity interference, and pump suction sampling. Ideal for industrial leakage detection.

High-precision H2S gas sensor with linear output, 1ppm max zero shift, and

ZE03-H2 Electrochemical Hydrogen Gas Detection Module for Hydrogen Energy Industry Monitoring Smart Building & Public Safety Product Features: Professional Electrochemical Detection Principle: Adopts advanced three-electrode electrochemical sensing technology, with high sensitivity and exclusive selectivity for hydrogen gas. Effectively avoids cross-interference from conventional ambient gases and ensures accurate H2 concentration measurement. Dual Signal Output Mode:

MPV-820 Metal Oxide Semiconductor Hydrogen Gas Sensor for New Energy Industry Monitoring Industrial Safety Detection Features: High Hydrogen Sensitivity & Good Selectivity: Professionally optimized semiconductor sensing material delivers ultra-high sensitivity to hydrogen gas, with excellent anti-interference ability to other common ambient gases, ensuring accurate targeted detection. Fast Response & Stable Output: Features rapid response and recovery speed, stable detection

O2S-FR-T2-18BM-C Industrial Zirconia (ZrO2) Oxygen Sensor for High-Temperature Thermal Equipment Industrial Process Control Product Features: Non-Consumptive Zirconia Technology: Adopts mature zirconia ceramic sensing principle with non-depleting structure, no electrolyte aging and consumption issues, realizing ultra-long service life and maintenance-free operation. No Reference Gas & Fast Stabilization: Independent air-reference-free design, no external reference gas

7ETO AT704-400 3-electrode Electrochemical Ethylene Oxide (ETO/C2H4O) Gas Sensor for Medical & Pharmaceutical Industry Product Features: Professional ETO Target Detection: Customized for ethylene oxide gas monitoring, with exclusive formula to effectively identify ETO concentration, suitable for toxic gas safety detection in sterilization and chemical scenarios. Excellent Environmental Stability: Optimized temperature and humidity compensation design, low zero drift and gain

ZP07-MP503-10 grade air quality module uses advanced thick film semiconductor sensor for high sensitivity to VOCs like formaldehyde and benzene. Aged and calibrated for consistency. Features 5V DC operation, ≤60mA current, and ≤20s response time. Ideal for air quality monitoring.

Product Description: YJJ ZE30-C2H5OH Electrochemical Ethanol Sensor Module 0-5ppm for Alcohol Detector Features: ZE30-C₂H₅OH Wuxing Electrochemical Alcohol Module This electrochemical alcohol (ethanol C₂H₅OH) detection module incorporates a built-in temperature sensor for temperature compensation, and supports dual outputs of UART digital + analog voltage. Core Parameter Table | Model | ZE30-C₂H₅OH | | Detected Gas | Ethanol C₂H₅OH (alcohol) | | Detection Principle |

Product Description: YJJ MH-Z1341B-CH4 NDIR CH4 Sensor Module For Residential & Commercial Gas Safety Features: MH-Z1341B-CH4 Methane (CH₄) Infrared Gas Sensor Module Parameter Description Detection Principle: NDIR Non-dispersive Infrared Absorption, Ultra-low Power Consumption, Anti-poisoning, Long Life Core Detection & Electrical Parameters | Model | MH-Z1341B-CH4 | | Detected Gas | Methane CH₄ | | Detection Range | 0-5% VOL (0-100% LEL) | Resolution | 0.01% VOL |

Product Description: YJJ ZE03‑CO Electrochemical Carbon Monoxide Module 0-1000PPM For Boiler Room Gas Detection Features: Core Detection & Electrical Parameters | Model | ZE03-CO | | Gas Detected | Carbon Monoxide (CO) | | Detection Range | 0 - 1000 ppm | | Resolution | 1 ppm | | T90 Response Time | ≤ 30 seconds | | Analog Output | 0.6 - 3.0 V (linear corresponding to concentration) | | Digital Output | UART TTL - 3V, baud rate 9600bps | | Supply Voltage | DC 5.0V ± 0.1V | |

Product Description: YJJ ZE03-H2 0-1000PPM Electrochemical Hydrogen Sensor Module For H₂ Leakage Alarm System Features: Core Detection & Electrical Parameters | Model | ZE03-H2 | | Gas Detected | Hydrogen H₂ | | Detection Range | 0 - 1000 ppm | | Resolution | 1 ppm | | T90 Response Time | ≤ 30 s | | Analog Output | 0.6 - 3.0 V (linear corresponding to concentration) | | Digital Output | UART TTL-3V, baud rate 9600bps | | Supply Voltage | DC 5.0V ± 0.1V | | Operating Current |

Product Description: YJJ ZE03-H2S Hydrogen Sulfide Sensor Module for Sewage Biogas Gas Monitoring Features: Core Electrical & Detection Parameters | Item | Specification | | --- | --- | | Model | ZE03-H2S | Detected Gas | Hydrogen Sulfide (H₂S) | Detection Range | 0 - 100 ppm | Resolution | 1 ppm | T90 Response Time | ≤ 30 | Analog Output | 0.6 - 3.0 V (linearly corresponding to concentration) | Digital Output | UART TTL-3V, baud rate 9600bps | Operating Voltage | DC 5.0V ± 0

Product Description: YJJ ZE03‑HF Hydrogen Fluoride Sensor Module 0‑10ppm HF UART‑TTL & Analog Output Features: Core technical parameters | Item | Parameter | | Detection gas | HF (Hydrogen Fluoride) | | Measurement range | **0 - 10 ppm** | | Resolution | 0.1 ppm | | T90 response time | ≤ 90 s | Power Supply | DC 5V ± 0.1V, operating current < 5mA | Digital Output | UART-TTL (3.3V level); 9600-8-N-1; Active reporting / question-and-answer mode; Direct output of ppm concentrati