Gas Sensor

3EF 3E/F Electrochemical Gas Sensor for Fixed Life Safety Systems Industrial Hygiene & Safety Monitoring Features: Built-in filter: Removes SOₓ, NOₓ, H₂S interference. 3-electrode design: High stability, low drift. Fast response: T90

ZM101-A Gas Sensor Multi Channel Intelligent Electronics AI Nose 6 Gas Channels Product Description AI-Nose is a multi-channel intelligent electronic nose system comprising six MEMS sensing units, offering the flexibility to select operational modes ranging from one to six channels. The product features capabilities such as signal filtering and temperature/humidity compensation, and supports deep integration with artificial intelligence algorithms. This enables a complete

Product Description: YJJ OXY-FLEX-1-H High-Temperature Type Zirconia ZrO2 Through-Hole Oxygen O2 Sensor / Transmitter Features: I. Core Parameters (Standard Specifications) Table Parameters Typical Value Explanation Model OXY-FLEX-1-H SST OXY-Flex high-temperature series (H = High Temp) Detected Gas Oxygen (O₂) Principle of zirconia, specifically for measuring oxygen concentration Detection Principle Zirconia (ZrO₂) solid electrolyte Non-consumable, no electrolyte required,

Product Description: YJJ O3 3E 1 -4CTL 1531-031-30049 Electrochemical Ozone O3 Sensor 0-1 ppm for Environmental Monitoring Features: I. Core Parameters (Standard Specifications) Table Parameters Typical Values Explanation Model O3 3E 1 -4CTL CITY Classic 4 series (Φ20mm) standard package Detected Gas Ozone (O₃) High selectivity Detection Principle Tri-electrode potentiostatic electrolytic type Current-type linear output Range 0 - 1 ppm High concentration precise monitoring

Product Description: YJJ TGS4260 Lead-Free Potentiometric Oxygen Sensor 0-25% O2 Sensitivity Medical Environmental Applications Features: I. Core Parameters Table Parameters Typical Values Explanation Detected Gas Oxygen O₂ Specific and Selective Detection Principle Three-electrode potentiometric electrolysis Unbiased voltage, current-type output, Fagor Technology Co., Ltd. Range 0 - 25 vol% (maximum 30%) Covers air / hypoxic / hyperoxic scenarios Output Signal Linear current

Product Description: YJJ 4CO-AF Electrochemical Carbon Monoxide CO Sensor Portable / Fixed Gas Detection Instruments Features: I. Core Parameters (Standard Specifications) Table Parameters Typical Value Explanation Detected Gas CO (Carbon Monoxide) Specificity electrochemical detection Detection Principle Triple-electrode electrochemistry Unbiased voltage, current-type output Range 0~100 ppm (standard) Extended: 0~200 ppm Overload ≤ 2000 ppm No damage within a short period

Product Description: YJJ GR-S/CO2 GR-S CO2 NDIR Infrared Carbon Dioxide Sensor Module Low-Cost CO2 Monitoring Industrial Applications Features: I. Core Parameters (Standard Specifications) Table Parameter item Typical value Explanation Detected gas CO₂ (carbon dioxide) Unique specific detection Detection principle NDIR non-dispersive infrared 4.26μm characteristic absorption, long lifespan, non-poisonous Zhengzhou Weisheng Electronic Technology Co., Ltd. Measurement range 0 -

Product Description: YJJ GY-SGP30 Gas Sensor Module TVOC/eCO2 Air Quality Measurement Formaldehyde Carbon Dioxide Features: 1. Core Parameters (GY-SGP30 Module) Table Parameter item Specification Explanation Core chip Sensirion SGP30 Metal oxide (MOX) multi-pixel sensing chip Detected gas TVOC + eCO₂ Non-specific detection of formaldehyde, benzene, alcohol, CO, etc. VOCs TVOC range 0 - 60000 ppb Resolution 1 ppb eCO₂ range 400 - 60000 ppm Resolution 1 ppm Operating voltage 3

MC114 MC114C Catalytic Combustion Gas Sensor Methane Gas Industrial and Mining Gas Liquefied Gas Explosion-proof MJC4/2.5J Product details: MJC4/2.5 J type catalytic element work, according to the principle of catalytic combustion effect consists of detecting element and compensating element matching bridge two arm, meet the combustible gas detecting element resistance increases, the output voltage change bridge road, the voltage increases with the increase of gas concentrati

MC113C MC113 Catalytic Combustion Gas Sensor for Coal Mine Explosion-proof MJC4/2.8J Methane Gas Liquefied Gas Detection Product details: MJC4/2.8 J type catalytic element work, according to the principle of catalytic combustion effect consists of detecting element and compensating element matching bridge two arm, meet the combustible gas detecting element resistance increases, the output voltage change bridge road, the variable voltage increases with the increase of gas

MC112 MC112C MC112D Catalytic Combustion Gas Sensor for Coal Mine Underground Gas Alkane Gas Explosion-proof Component MJC4/3.0J Product Features: Linear bridge output voltage, ensuring accurate and reliable measurement Fast response speed and long service life (up to 3 years) Excellent repeatability and high selectivity to combustible gases Outstanding long-term stability and reliability in harsh industrial environments Strong resistance to H₂S and organosilicon poisoning,

Product Description: YJJ ME3-CH2O Electrochemical Formaldehyde CH2O Sensor Civil Industrial Fields Features: I. Core Parameters (Official Standards) Table Parameter item Specification Explanation Detected gas Formaldehyde (CH₂O / HCHO) One type of carcinogen, the main pollution source in indoor decoration Detection principle Tri-electrode electrochemistry When gas is oxidized, an electric current is generated, and the concentration is proportional to the current Measurement

Product Description: YJJ MEv-GH01 Electrochemical Fuel Cell Type Hydrogen H2 Sensor for Hydrogen Leakage Detection Features: I. Core Parameters (Official Standards) Table Project Specification Explanation Gas to be detected Hydrogen (H₂) Flammable and explosive gas. Explosion limit: 4.0% ~ 75.6% Detection principle Electrochemical (fuel cell type) H₂ oxidizes at the electrode to generate current. Current ∝ concentration (Faraday's Law) Measurement range 0 ~ 2000 ppm Standard

4HCN CLE-0731-400 Hydrogen Cyanide Sensor for Mining and Metallurgy Gas Detection Personal Safety Alarms Product Features: High sensitivity for low-concentration hydrogen cyanide detection Fast response and rapid recovery, ensuring timely alarm Excellent stability and low baseline drift under varying temperature and humidity Good anti-interference ability, minimizing false alarms Long operational lifespan and high reliability Three-electrode electrochemical structure, stable

4CO-AF Electrochemical Carbon Monoxide (CO) Gas Sensor for Most Life Safety Detectors Including Industrial Safety Monitors Product Features: High sensitivity and stable output for low-concentration CO detection Excellent anti-interference performance, reducing false alarms Wide operating temperature range, suitable for harsh environments Low baseline drift, long service life and high reliability Three-electrode electrochemical structure, fast response and good linearity No

GR-S/CO2/5%VOL Miniature Non-Dispersive Infrared (NDIR) Gas Sensor for HVAC Systems Indoor Air Quality Key Features: Miniature Size: Extremely compact form factor, ideal for space-constrained devices like wall-mounted thermostats or portable monitors. Low Power Consumption: Designed for energy-efficient operation, suitable for battery-powered applications. Applications: HVAC Systems: Demand-controlled ventilation based on CO2 levels. Indoor Air Quality (IAQ): Wall-mounted

LFO2-A1 Long-Life Oxygen Sensor for Process Control Medical & Healthcare Gas Analyzers Industrial Safety Key Features: Long Lifespan: Designed for a service life of > 5 years in air, significantly reducing maintenance and replacement costs. Lead-Free (RoHS Compliant): Manufactured without lead, adhering to strict environmental regulations. High Stability: Features excellent baseline and output stability, ensuring reliable readings over long periods. Fast Response: Responds to

TGS4260 Constant Potential Electrolysis Type Oxygen Sensor for Industrial Process Control Multi-Gas Detectors Key Features: Wide Detection Range: Capable of measuring oxygen concentrations from 0% to 100% Vol. Wide Operating Temperature: Functions effectively across a broad temperature range, suitable for diverse environmental conditions. Compliance: Meets relevant technical standards (often cited as meeting European and American standards for performance). Compact Design:

ME3-CH2O Formaldehyde Electrochemical Gas Sensor Indoor Environmental air Concentration Detector Features: Electrochemical principle, current output proportional to concentration Low power consumption, high precision & high sensitivity Wide linear range, good anti‑interference Excellent repeatability & long‑term stability Applications: Industrial safety, environmental monitoring, indoor air quality, formaldehyde detection instruments, hygiene & occupational safety Target Gas

TGS4260 Oxygen Gas Sensor Potentiostatic Electrolysis Type Three Electrode Constant-Potential Electrolytic, Lead-Free Oxygen (O₂) Sensor — Industry-Standard 20mm Package, Long Lifespan, Linear Output Features and Applications 1. Lead-free design, RoHS compliant 2. 20mm industry-standard size 3. Linear output, rapid response, high selectivity 4. Shock-resistant, long lifespan Applications: Portable/fixed oxygen detectors, multi-gas alarms, industrial oxygen concentration