Gas Sensor

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Medical Oxygen Sensor, 0-100%, Molex 3 Pin/Headphone Jack

SUCH-O2S-AO6789
● 0~100% linear output ● 3.55mm TRS/Molex 3 Pin ● P/N 5520257-2 Interface ● Shared-voltage electrochemical
$99.41

TVOC Gas Sensor with PID, 0-10ppm to 0-10000ppm

SUCH-GAS-TVOC
● Detect gas: TVOC ● Rang: 0-10/40/100/10000ppm ● Photoionization Detection ● Accuracy: ≤±2%
$671.74

NDIR Refrigerant (HFC) Gas Sensor, 0~100%LFL

SUCH-GAS-R454B
● Detect: Hydrofluorocarbon (HFC) ● Rang: 0~100%LFL ● Principle: NDIR ● Resolution: 1% LFL
$195.55

Oxygen Concentration Sensor, 0–30% Linear/30–100% Non-Linear

SUCH-O2S-AO03
● 0–30% linear/30–100% non-linear ● 0.10 ± 0.03 mA (in air) ● ABS material ● Response time<30s
$63.14

Waterproof CO2 Sensor, 400-5000ppm, UART Output

SUCH-CO2-FS00302
● 400-5000ppm CO2 ● UART (3.3V TTL level) output ● 1 ppm min resolution ● Gold-plated chamber design
$83.09

Chlorine (Cl2) Gas Sensor, 0-10ppm/0-5000ppm

SUCH-GAS-Cl2
● Detect: Chlorine (Cl2) ● Rang: 0-10ppm to 0-5000ppm ● Electrochemical three-electrode ● Resolution: 0.1ppm
$245.15

CO2 Air Quality Sensor, 400-5000ppm, RS485 Output

SUCH-CO2-FS00820B
● 400-5000ppm CO2 ● Modbus-RS485 output ● 1 ppm CO₂ resolution ● DC 10V-0V working voltage
$188.54

Vinyl Chloride (C2H3Cl) Gas Sensor, 0~20ppm, 0~100ppm

SUCH-GAS-C2H3Cl
● Detect: Vinyl chloride (C2H3Cl) ● Rang: 0~20ppm, 0~100ppm ● Electrochemical three-electrode ● Resolution: 0.5ppm
$145.95

Sulfur Dioxide (SO2) Sensor, 0-20ppm/2000ppm

SUCH-GAS-SO2
● Detect gas: Sulfur dioxide (SO2) ● Rang: 0-20ppm/2000ppm ● RS485/4-20mA/10-5V/10-10V ● Measuring method: Imported sensor
$174.55

NDIR Sulphur Hexafluoride (SF6) Gas Sensor, 0~1000/5000ppm

SUCH-GAS-SF6
● Sulphur hexafluoride (SF6) ● Rang: 0~1000/5000ppm ● RS485/4-20mA/10-5V/10-10V ● SF6 resolution: 1ppm
$174.55

Methanol (CH3OH) Gas Sensor, 0-100ppm, 0-500ppm

SUCH-GAS-CH3OH
● Detect: Methanol (CH3OH) ● Rang: 0-100ppm, 0-500ppm ● Electrochemical three-electrode ● Resolution: 0.5ppm
$144.97

Electrochemical Hydrogen Fluoride (HF) Gas Sensor, 0-10ppm

SUCH-GAS-HF
● Detect: Hydrogen Fluoride (HF) ● Rang: 0-10ppm ● Electrochemical three-electrode ● Resolution: 0.1ppm
$182.89

Nitric Oxide (NO) Gas Sensor, 0-50ppm to 0-5000ppm

SUCH-GAS-NO
● Detect: Nitric Oxide (NO) ● Rang: 0-50ppm to 0-5000ppm ● Electrochemical three-electrode ● Resolution: 1ppm, 3ppm, 5ppm
$182.99

Nitrogen Dioxide (NO2) Gas Sensor, 0-20/100/200ppm

SUCH-GAS-NO2
● Detect: Nitric Dioxide (NO2) ● Rang: 0-20/100/200ppm ● Electrochemical three-electrode ● Resolution: 0.1ppm
$149.56

Hydrogen Chloride (HCl) Gas Sensor, 0-50ppm, 0-500ppm

SUCH-GAS-HCl
● Detect: Hydrogen Chloride (HCl) ● Rang: 0-50ppm, 0-500ppm ● Electrochemical three-electrode ● Resolution: 0.1ppm
$148.82

Hydrogen Cyanide (HCN) Gas Sensor, RS485, TTL

SUCH-GAS-HCN
● Detect: Hydrogen Cyanide (HCN) ● Rang: 0-50ppm ● Module output: TTL/RS485 ● Resolution: 1ppm
$149.79

Ethylene Oxide (ETO) Gas Sensor with Module Output

SUCH-GAS-ETO
● Detect: Ethylene Oxide (ETO) ● Rang: 0-100ppm ● Module output: TTL/RS485 ● Resolution: 1ppm
$148.73

Chlorine Dioxide (ClO2) Gas Sensor, 0-50ppm, RS485/TTL

SUCH-GAS-CLO2
● Detect: Chlorine Dioxide (ClO2) ● Rang: 0-50ppm ● Module output: TTL/RS485 ● Resolution: 1ppm
$148.53

Tetrahydrothiophene (THT) Gas Sensor, 0-50mg/m3

SUCH-GAS-THT
● Detect: Tetrahydrothiophene ● Rang: 0-50mg/m3 ● Module output: TTL/RS485 ● Resolution: 0.5mg/m3
$209.99

Hydrogen (H2) Gas Sensor with Module, 0-1000~5000ppm

SUCH-GAS-H2
● Detect: Hydrogen (H2) ● Rang: 0-1000~5000ppm ● Module output: TTL/RS485 ● Resolution: 1ppm
$129.78

Gas sensors serve as critical core components for environmental safety and industrial control, enabling precise detection of changes in airborne gas concentrations. They find extensive applications across petrochemical processing, laboratory monitoring, gas alarms, environmental testing, and smart home systems. SUCH offers diverse gas sensor types, including high-performance models for detecting liquefied petroleum gas (LPG), propane, methane, hydrogen, carbon monoxide, ozone, and VOCs. These cover varying requirements from low-concentration leak alarms to high-precision industrial monitoring.

All gas sensors are engineered using electrochemical, semiconductor, or infrared principles, delivering high sensitivity, low power consumption, rapid response, and strong anti-interference capabilities. Their metal-encapsulated structure ensures stable operation in high-humidity, high-temperature, or complex environments, with some models boasting a lifespan of up to 10 years. Whether integrated into industrial equipment or deployed for scientific research and environmental monitoring, SUCH gas sensors provide reliable data support and safety assurance.

Choosing SUCH means choosing a dependable safety monitoring partner. We prioritize technological innovation and adhere to stringent manufacturing standards to guarantee precision and consistency in every sensor. Browse this catalog to discover gas sensor solutions tailored to your applications. Experience the new standard in industrial detection—high sensitivity and stability—adding enduring power to your safety control systems.