ShenzhenYijiajie Electronic Co., Ltd.
                                                                                                           
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Gas Sensor

China 4HSC Hydrogen Sulfide H2S Gas Sensor 3-Electrode Electrochemical 0.7 μA/ppm for sale

4HSC Hydrogen Sulfide H2S Gas Sensor 3-Electrode Electrochemical 0.7 μA/ppm

Price: Negotiable
MOQ: 1
Delivery Time: 3-5 work days

The 4HSC H2S gas sensor uses a reliable 3-electrode electrochemical principle with sensitivity of 0.7 ± 0.15 μA/ppm. Features improved performance variability, linear output, and long-term stability. Ideal for industrial safety and environmental monitoring applications.

China 2-FE5 Formaldehyde Gas Sensor Module Calibration Free In-Line Side Insertion 150-350 uA/PPM for sale Video

2-FE5 Formaldehyde Gas Sensor Module Calibration Free In-Line Side Insertion 150-350 uA/PPM

Price: Negotiable
MOQ: 1
Delivery Time: 3-5Workingdays

Economical formaldehyde detection module EC819-HCHO with 0.01 PPM resolution and

China ZP07-MP503-4 Air Pollution Monitoring Module Gas Sensor 5V TTL Output 4 Level VOC Detector for sale

ZP07-MP503-4 Air Pollution Monitoring Module Gas Sensor 5V TTL Output 4 Level VOC Detector

Price: Negotiable
MOQ: 1
Delivery Time: 3-5work days

Thick-film semiconductor sensor detects VOCs and odors with 4-level pollution grading via dual TTL outputs. Features fast response (

China CO/CF-1000 Carbon Monoxide CO Gas Sensor 3-Electrode Electrochemical 0-1000 ppm for sale

CO/CF-1000 Carbon Monoxide CO Gas Sensor 3-Electrode Electrochemical 0-1000 ppm

Price: Negotiable
MOQ: 1
Delivery Time: 3-5workingdays

The CO/CF-1000 is a 3-electrode electrochemical CO gas sensor with a 0-1000 ppm range and fast T90 response under 40 seconds. Features an inboard filter to remove acidic gases, high resolution below 0.5 ppm, and reliable output of 100 ± 20 nA/ppm. Ideal for continuous air quality monitoring and safety control.

China MSH-P HC NC 5 V P Carbon Dioxide Sensor Infrared Gas Detector 0-5% Vol for sale Video

MSH-P HC NC 5 V P Carbon Dioxide Sensor Infrared Gas Detector 0-5% Vol

Price: Negotiable
MOQ: 1
Delivery Time: 3-5work days

Miniature infrared CO2 sensor with temperature compensation from -20 to +50°C. Features dual-gas detection for CO2 and methane, fast T90 response under 30 seconds, and linear analog or digital outputs. Ideal for OEM integration in hazardous area gas detection equipment.

China MC115 Catalytic Flammable Gas Sensor 0-100% LEL 20-40 mV/1% CH4 Industrial Methane Detector for sale

MC115 Catalytic Flammable Gas Sensor 0-100% LEL 20-40 mV/1% CH4 Industrial Methane Detector

Price: Negotiable
MOQ: 1
Delivery Time: 3-5work days

MC115 catalytic gas sensor detects methane and other flammable gases with 0-100% LEL range and 20-40 mV/1% CH4 sensitivity. Features long lifespan, linear output, fast response, and resistance to H2S and silicone interference. Ideal for industrial gas alarms and detectors.

China MG811 Electrolyte Carbon Monoxide Gas Sensor 0-10000ppm for Air Quality Control Systems for sale

MG811 Electrolyte Carbon Monoxide Gas Sensor 0-10000ppm for Air Quality Control Systems

Price: Negotiable
MOQ: 5
Delivery Time: 3-5work days

MG811 solid electrolyte CO2 sensor detects 0-10000ppm with stable voltage output. Ideal for air quality, fermentation, and greenhouse systems. Durable, precise, and customizable for industrial applications.

China AGS2616 Hydrogen Sensor Module 30-3000ppm Gas Concentration Detection for Home Safety Automotive Industry for sale

AGS2616 Hydrogen Sensor Module 30-3000ppm Gas Concentration Detection for Home Safety Automotive Industry

Price: Negotiable
MOQ: 1PCS
Delivery Time: 5-8 work days

High sensitivity hydrogen sensor module with 30-3000ppm range and fast response under 30s. MEMS-based with low power consumption (5V DC, 26mA). Compact 12x12x16.5mm design, I2C output, and over 10-year lifespan. Ideal for industrial hydrogen leakage detection.

China 4P90C PM143-000 Combustible Gas Sensor Catalytic Combustion ATEX UL CSA 28mV for sale

4P90C PM143-000 Combustible Gas Sensor Catalytic Combustion ATEX UL CSA 28mV

Price: Negotiable
MOQ: 1
Delivery Time: 3-5work days

ATEX, UL and CSA approved combustible gas sensor with enhanced H2S and silicone poison resistance. T90 response under 20 seconds, output sensitivity 28±5 mV/%methane. Linear to 3% methane. Ideal for industrial safety monitoring.

China ACO2000 Carbon Dioxide Gas Sensor Monitor 0-2000 ppm 4-20 mA Output for Conference Rooms Greenhouses for sale

ACO2000 Carbon Dioxide Gas Sensor Monitor 0-2000 ppm 4-20 mA Output for Conference Rooms Greenhouses

Price: Negotiable
MOQ: 1PCS
Delivery Time: 5-8 work days

The ACO2000 CO2 sensor offers wide measurement ranges (0-2000/5000 ppm), low power consumption (

China H2 3E 4% Electrochemical Hydrogen Gas Sensor Amperometric 3 Electrode Resistant to Poison Gases for sale

H2 3E 4% Electrochemical Hydrogen Gas Sensor Amperometric 3 Electrode Resistant to Poison Gases

Price: Negotiable
MOQ: 1
Delivery Time: 3-5work days

Amperometric 3-electrode sensor cell for H2 detection up to 4% volume. Resistant to poison gases with excellent long-term stability. Ideal for TLV monitoring, LEL detection, and fuel cell applications. Operates from -20°C to +40°C.

China G4P CH4 Infrared Methane Gas Sensor 5-100%VOL Range 1ppm Resolution for sale

G4P CH4 Infrared Methane Gas Sensor 5-100%VOL Range 1ppm Resolution

Price: Negotiable
MOQ: 1
Delivery Time: 3-5workingdays

G4P infrared methane sensor measures 0-100%VOL with 1ppm resolution. Complies with GB15322, AQ6211-2008, and AQ1052-2008 standards. Ideal for industrial plants, tunnels, petrochemical, and coal mine safety monitoring. Durable, accurate, and customizable.

China YJJ ME3-CH2O Electrochemical Formaldehyde Sensor 0-10 ppm for Indoor Air Quality Monitoring for sale

YJJ ME3-CH2O Electrochemical Formaldehyde Sensor 0-10 ppm for Indoor Air Quality Monitoring

Price: Negotiable
MOQ: 1
Delivery Time: 5-8 days

High-precision tri-electrode CH2O sensor with 0.1 ppm resolution and ≤90s response time. Ideal for household detectors, air purifiers, and industrial safety. Reliable performance from -20°C to +40°C with 2-year service life.

China AQ+7NO Nitric Oxide NO Sensor 7 Series 4 Pin High Precision 0-25 ppm for sale

AQ+7NO Nitric Oxide NO Sensor 7 Series 4 Pin High Precision 0-25 ppm

Price: Negotiable
MOQ: 1
Delivery Time: 3-5workingdays

High accuracy 4-electrode NO sensor for environmental air quality. Features 0-25 ppm range,

China YJJ SPXCDXSO1SS Electrochemical Oxygen Gas Sensor Probe 24V 4-20mA for sale

YJJ SPXCDXSO1SS Electrochemical Oxygen Gas Sensor Probe 24V 4-20mA

Price: Negotiable
MOQ: 1
Delivery Time: 3 days

Stationary oxygen sensor probe with electrochemical technology for stable long-term gas detection. Features 4-20mA output, 24V DC, and magnetic rod calibration. Suitable for chemical, metallurgy, and manufacturing industries. Durable metal housing.

China TCS208F Gas Thermal Conductivity Sensor 0.2mm3 Chamber Fast Response TO8 Package for sale

TCS208F Gas Thermal Conductivity Sensor 0.2mm3 Chamber Fast Response TO8 Package

Price: Negotiable
MOQ: 1
Delivery Time: 3-5work days

MEMS-based gas concentration sensor detects H2, CH4, CO2, He, and more via thermal conductivity. Features high accuracy, integrated temperature compensation, and fast response. Compact TO8 package with 30 mW heating power. Ideal for natural gas, power plant, and industrial gas analysis.

China YJJ HF 3E 10 SE-4CTL Electrochemical Hydrogen Fluoride Gas Sensor 0-10 ppm for Mobile Fixed-Point Measurement for sale

YJJ HF 3E 10 SE-4CTL Electrochemical Hydrogen Fluoride Gas Sensor 0-10 ppm for Mobile Fixed-Point Measurement

Price: Negotiable
MOQ: 1
Delivery Time: 5 to 8 working days

High-stability electrochemical HF gas sensor with 0-10 ppm range, 300 nA/ppm sensitivity, and T90 < 90s. Features three-electrode design, low drift, and strong acid gas selectivity. Ideal for TLV leakage detection in mobile and fixed-point systems. Durable ABS housing, -20 to 40°C operation, >18 months lifespan.

China YJJ CO-AM Electrochemical Carbon Monoxide Sensor 5000 ppm Range for Coal Mine and Agriculture for sale

YJJ CO-AM Electrochemical Carbon Monoxide Sensor 5000 ppm Range for Coal Mine and Agriculture

Price: Negotiable
MOQ: 1
Delivery Time: 5 to 8 working days

High-precision CO sensor with 5000 ppm range, 55-90 nA/ppm sensitivity, and

China WZ-S Formaldehyde Gas HCHO Module 0-2ppm High Precision Digital Signal Output Micro Fuel Cell for sale

WZ-S Formaldehyde Gas HCHO Module 0-2ppm High Precision Digital Signal Output Micro Fuel Cell

Price: Negotiable
MOQ: 1
Delivery Time: 3-5workingdays

WZ-S HCHO module combines a novel HCHO sensor with advanced electronics for direct PPM output. Pre-calibrated, it features fast response (

China Catalytic Combustion Combustible Gas Sensor 4LEL-3.0V 0-100% LEL for Industrial Gas Detection for sale

Catalytic Combustion Combustible Gas Sensor 4LEL-3.0V 0-100% LEL for Industrial Gas Detection

Price: Negotiable
MOQ: 1
Delivery Time: 3-5work days

3V low power catalytic combustion sensor for 0-100% LEL methane detection. Pin-to-pin replacement for standard 4-series LEL sensors. Features high stability, fast T90 response under 30s, and 316L stainless steel housing for harsh environments. Ideal for fixed and portable gas detectors.