Gas Sensor

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Smart Carbon Monoxide Sensor, 0-999ppm

SUCH-COS-24E
● 0-999ppm, EU plug ● CO, temp & humidity, flammable gas ● Input: 100~240V 50/60Hz ● GAS Lv1–4 Lv4 (15% LEL)
$70.29

Ammonian (NH3) Gas Sensor with Module, 0-100ppm~1000ppm

SUCH-GAS-NH3
● Detect: Ammonian (NH3) ● Rang: 0-100ppm~1000ppm ● Interface: RS485, TTL, 4-20mA ● Resolution: 1 ppm
$269.68

Mini Oxygen Sensor, 0-30%, 3 Electrode

SUCH-O2S-01
● Detect: Oxygen (O2) ● 0-30% linear output ● 0.085±0.02 mA (in air) ● 30~100% nonlinear output
$158.93

Wireless Carbon Monoxide Sensor, 0-1000ppm

SUCH-COS-S01
● 0~1000ppm (±10%) ● 50ppm default alarm rang ● 3.7V, 1000mA battery ● DC 5V~24V Type-C input
$89.59

CO Detection Sensor, 0-300ppm, RS485/0-10V

SUCH-COS-CODS
● 0-300ppm ● Electrochemical detection ● Relay output, RS485, 0-10VDC ● 24V DC/AC power input
$315.29

Phosphine (PH3) Gas Sensor, RS485/TTL Module Output

SUCH-GAS-PH3
● Detect: Phosphine (PH3) ● Rang: 0-20ppm ● Interface: RS485, TTL ● Resolution: 0.1 ppm
$198.99

Trace Oxygen Sensor, 0-10ppm to 0-10000ppm

SUCH-O2S-AOP10
● Detect: Oxygen (O2) ● 0–10ppm (Min), 0–10,000ppm (Max) ● 295~700 μA (in air) ● Shared-voltage electrochemical
$277.06

Lead Free Oxyge Sensor with Temperature Compensation

SUCH-O2S-AOX3100
● Detect: Oxygen (O2) ● 0~100% linear output ● 9~14 mV (in air) ● Shared-voltage electrochemical
$95.73

PID Gas Sensor for Benzene (C6H6), 0-10000ppm

SUCH-GAS-C6H6
● Detect gas: Benzene (C6H6) ● Rang: 0-10000ppm ● Photoionization Detection ● Resolution: 1ppb~2ppm
$667.59

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

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

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

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.