ShenzhenYijiajie Electronic Co., Ltd.
                                                                                                           
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20 Years
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Gas Sensor

China YJJ 7O3 MST 7 Series Electrochemical Ozone Sensor 0-500ppb to 30000ppm for Gas Leakage Monitoring for sale

YJJ 7O3 MST 7 Series Electrochemical Ozone Sensor 0-500ppb to 30000ppm for Gas Leakage Monitoring

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

High-precision electrochemical ozone sensor with multiple ranges from 500ppb to 30000ppm. Features linear output, long-term stability

China YJJ MST-EX Catalytic Combustible Gas Sensor Element 2.9V 90mA for LEL Detection for sale

YJJ MST-EX Catalytic Combustible Gas Sensor Element 2.9V 90mA for LEL Detection

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

Broad-spectrum catalytic element detects natural gas, LPG, and alkanes from 1-100% LEL. Features fast response under 10s, ExdllCT6 Gb certification, and linearity

China YJJ 7C2H5OH-100 7 Series Electrochemical Ethanol Sensor for Gas Leakage Alarm 100ppm for sale

YJJ 7C2H5OH-100 7 Series Electrochemical Ethanol Sensor for Gas Leakage Alarm 100ppm

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

High-precision ethanol sensor with reproducibility of 1% output signal and linear regression coefficient R=0.999. Operates in 20°C to 50°C range, 2-year lifespan. Ideal for gas leakage alarm devices. Custom options available.

China YJJ MST 7C2H5OH-10 7 Series Electrochemical Ethanol Sensor 2 Year Life for Gas Leak Alarm for sale

YJJ MST 7C2H5OH-10 7 Series Electrochemical Ethanol Sensor 2 Year Life for Gas Leak Alarm

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

High-precision electrochemical ethanol sensor with 1% reproducibility and linear regression coefficient R=0.999. Operates from 20°C to 50°C and 15% to 90% humidity. Features long-term drift

China YJJ 4C2H5OH-300 Electrochemical Ethanol Sensor 0-300PPM for Gas Leak Monitoring Alarm for sale

YJJ 4C2H5OH-300 Electrochemical Ethanol Sensor 0-300PPM for Gas Leak Monitoring Alarm

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

High-precision ethanol sensor with 0-300PPM range, ±0.4μA baseline, and

China YJJ 4C2H5OH-100 4-Series Electrochemical Ethanol Sensor C2H5OH 100ppm Range for sale

YJJ 4C2H5OH-100 4-Series Electrochemical Ethanol Sensor C2H5OH 100ppm Range

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

High-precision electrochemical ethanol sensor with excellent linearity (R²=0.999) and long-term stability (

China Electrochemical Chlorine Gas Sensor 4CL2-10 0-10 ppm for Waste Incineration Flue Gas Monitoring for sale

Electrochemical Chlorine Gas Sensor 4CL2-10 0-10 ppm for Waste Incineration Flue Gas Monitoring

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

High-sensitivity electrochemical chlorine sensor with 0.05 ppm resolution and ≤30 s response time. Operates from -40°C to 50°C with long-term stability

China 4O2-LQ Oxygen Gas Sensor 0-30% Vol O2 Electrochemical 3 Electrode Industrial for sale

4O2-LQ Oxygen Gas Sensor 0-30% Vol O2 Electrochemical 3 Electrode Industrial

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

High performance electrochemical O2 sensor with 0-30% vol range and 3-electrode design for superior stability. Features 2-year lifespan, ≤30s response time, and 90% overload capacity. Ideal for industrial gas detection applications.

China TGS2600 Indoor Air Quality Sensor Low Power Consumption 1-30ppm H2 Detection for sale

TGS2600 Indoor Air Quality Sensor Low Power Consumption 1-30ppm H2 Detection

Price: Negotiable
MOQ: 1
Delivery Time: 1

The TGS2600 is a low-power MOS sensor for detecting gaseous air contaminants. It offers high sensitivity, long life, and a compact TO-5 package. Ideal for air cleaners, ventilation control, and air quality monitors.

China WSP1110 Flat Semiconductor NO2 Refrigerant Sensor 0.1-10ppm Metal Cap for sale

WSP1110 Flat Semiconductor NO2 Refrigerant Sensor 0.1-10ppm Metal Cap

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

High sensitivity NO2 gas sensor with quick response and recovery. Low power consumption, simple detection circuit, and long life. Ideal for refrigerant leak detection in industrial applications.

China QRAE-3 014-0212-000 Compatible Combustible Gas Sensor 0-100% LEL Catalytic Bead for sale

QRAE-3 014-0212-000 Compatible Combustible Gas Sensor 0-100% LEL Catalytic Bead

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

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.

China NAP-505R Low Cost Carbon Monoxide Gas Sensor 3 Electrode 0-1000ppm for sale Video

NAP-505R Low Cost Carbon Monoxide Gas Sensor 3 Electrode 0-1000ppm

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

The NAP-505R is a low-cost 3-electrode electrochemical CO sensor for 0-1000ppm detection. Features high stability, leak-proof enclosure, shock resistance, low power, and minimal drift. Ideal for domestic detectors, fire alarms, and air quality monitors.

China DS4-CO Carbon Monoxide Gas Sensor Smart Digital Electrochemical 3.3V to 12V DC for sale

DS4-CO Carbon Monoxide Gas Sensor Smart Digital Electrochemical 3.3V to 12V DC

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

Smart digital electrochemical CO sensor with low power consumption, wide temperature range -40°C to +55°C, and ±5% F.S accuracy. Ideal for IoT integration with UART or RS485 communication.

China H2 3E 4% Hydrogen Gas Sensor 3 Electrode Cell LEL Detection 0-4% Range for sale

H2 3E 4% Hydrogen Gas Sensor 3 Electrode Cell LEL Detection 0-4% Range

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

Amperometric 3-electrode sensor for 0-4% hydrogen LEL detection. Resistant to poison gases with excellent long-term stability. Ideal for TLV monitoring, LEL detection, and fuel cell applications. Reliable and accurate.

China INIR-CD5% CO2 Infrared Gas Sensor Probe Low Power Consumption 0.45W for sale Video

INIR-CD5% CO2 Infrared Gas Sensor Probe Low Power Consumption 0.45W

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

INIR-CD5% CO2 infrared gas sensor offers low power consumption at 0.45W, fast response, and durable stainless steel construction. Immune to poisoning, it ensures reliable fail-safe operation in harsh environments. Suitable for stationary or portable instruments with self-compensation reference channels.

China MH-Z1311A NDIR CO2 Sensor 5V DC Carbon Dioxide Gas Detector for HVAC Air Quality for sale Video

MH-Z1311A NDIR CO2 Sensor 5V DC Carbon Dioxide Gas Detector for HVAC Air Quality

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

Compact NDIR CO2 sensor with 5V DC supply, low power consumption, and built-in temperature compensation. Ideal for HVAC, fresh air systems, and smart home air quality monitoring. Long life, no oxygen dependence, and digital output for easy integration.

China MicroClip XL MCXL-XWHM-Y-CN Explosion Proof Four In One Gas Detector 18hr Runtime IP66/67 for sale

MicroClip XL MCXL-XWHM-Y-CN Explosion Proof Four In One Gas Detector 18hr Runtime IP66/67

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

Portable 4-in-1 gas detector with automatic calibration and zeroing. Certified by Classification Society. Features over 18 hours runtime, IP66/67 dustproof and waterproof, event recording, and data logging. Ideal for industrial safety.

China MAX250B R125P02-003 Galvanic Cell Oxygen Sensor 8 Year Life Medical Grade for sale Video

MAX250B R125P02-003 Galvanic Cell Oxygen Sensor 8 Year Life Medical Grade

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

High-precision galvanic cell oxygen sensor with 8-year working life and 1% measurement accuracy. Features 10-15.5mV signal output, fast

China 4H AC200-800 Hydrogen Sulfide H2S Gas Sensor 0-100 ppm Low Detection Industrial for sale

4H AC200-800 Hydrogen Sulfide H2S Gas Sensor 0-100 ppm Low Detection Industrial

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

Electrochemical H2S sensor with 0-100 ppm range, 0.1 ppm resolution, and

China YJJ 4HS/LM AC226-800 0-100 ppm Electrochemical Hydrogen Sulfide Gas Sensor for H2S Detection for sale

YJJ 4HS/LM AC226-800 0-100 ppm Electrochemical Hydrogen Sulfide Gas Sensor for H2S Detection

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

YJJ 4HS/LM AC226-800 electrochemical H2S sensor detects 0-100 ppm hydrogen sulfide with high accuracy. Features fast T90 response ≤30s, wide temperature range -40°C to +50°C, and linear output. Ideal for industrial safety and environmental monitoring.