Gas Sensor

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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

Ozone (O3) Gas Sensor, 0-20ppm, RS485/TTL

SUCH-GAS-O3
● Detect: Ozone (O3) ● Rang: 0-20ppm ● Module output: TTL/RS485 ● Resolution: 0.5ppm
$212.59

VOC Detection Gas Sensor, 0-100ppm

SUCH-GAS-VOC
● Detect: VOC ● Rang: 0-100ppm ● Electrochemical three-electrode ● Resolution: 1ppm
$191.18

Air Quality Gas Sensor, CH2O/C6H6, 0.5~1000ppm

SUCH-GAS-MP801
● Detect: CH2O/C6H6/Smoke ● Rang: 0.5~1000ppm ● Metal encapsulation ● Circuit voltage: ≤24V DC
$45.41

NDIR Gas Sensor for Refrigerant, 0~25%LFL (0-3600ppm)

SUCH-GAS-D4100
● Used for refrigerant ● 0~25%LFL (0-3600ppm) ● Accuracy: ±2.5% LFL ● I²C / UART / Alarm digital output
$66.18

Thermal Conductivity Gas Sensor, 0~100% LEL

SUCH-GAS-MD61
● Methane, Hydrogen, Inert gases ● Rang: 0~100% LEL ● Sensitivity: ≥15 mV/10%CH₄ ● Linearity: ≤8%
$95.63

Hydrogen Peroxide (H2O2) Gas Sensor, 0-10/0-50/0-100ppm

SUCH-GAS-H2O2
● Hydrogen Peroxide (H2O2) ● Rang: 0-10/0-50/0-100ppm ● Resolution: 0.1-0.5ppm ● Maximum overload: 100ppm
$195.88

MEMS Gas Sensor for Hydrogen Detection, 0.1~1000ppm

SUCH-GAS-MEMS
● Detect: Hydrogen ● Rang: 0.1~1000ppm ● Principle: MEMS ● Loop voltage: ≤24V DC
$79.52

Vapour Gas Sensor, Toluene/Ethanol, 1~50ppm

SUCH-GAS-P2110
● Detect: C7H8/CH2O/C2H5OH ● Rang: 1~50ppm ● Load resistance: Adjustable ● Circuit voltage: ≤24V DC
$79.59

Catalytic Gas Sensor, C3H8/CH4, 0-100%LEL

SUCH-GAS-227D
● Detect: Methane/Propane ● Rang: 0-100%LEL ● Linearity: ≤5% ● Operating voltage: 2.5 ± 0.1V
$54.29

Natural Gas Sensor, Methane/Biogas, 300~10000ppm

SUCH-GAS-4C
● Detect: Methane/Biogas ● Rang: 300~10000ppm ● Load resistance: Adjustable ● Circuit voltage: ≤24VDC
$47.35

Propane(C3H8) Gas Sensor, 300~10000ppm (LPG)

SUCH-GAS-C3H8
● Detect: Propane(C3H8) ● Rang: 300~10000ppm (LPG) ● Load resistance: Adjustable ● Circuit voltage: ≤24VDC
$45.35

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.