Portable Single Gas Sensor CO CO2 SO2 H2S O3 Alarm Gas Leak Detector


Portable Single Gas Sensor CO CO2 SO2 H2S O3 Alarm Gas Leak Detector

Portable Single Gas Sensor CO CO2 SO2 H2S O3 Alarm Gas Leak Detector

1. High Sensitive and Accurate Measurement — Handheld single gas sensor with high quality imported gas sensor, excellent sensitivity and excellent repeatability, Comes FACTORY CALIBRATED. Open and use directly.


2.Two Alarm Methods — Sound and light alarm when the gas sensor reaches the preset level.


3.Easy Carrying Around — High density big digital LCD screen display real time gas concentation value; compact size and unique clip design, it is convenient for user to carry around, English operation interface.


4.Higher Quality Lower Error — Made of high strength ABS and Anti-slip grip rubber. Waterproof, dust-proof and explosion-proof, Detection error better than ≤±3% F.S. and response time: T<30s. Zero and span calibration options.


Detectable gas
Gas Range Resolution Default alarm point
LEL 0-100%LEL 0.1%LEL 20%LEL
H2S 0-100ppm 0.1ppm 10ppm
CO 0-1000ppm 0.1ppm 50ppm
O2 0-30%VOL 0.1%VOL 20%VOL
NO2 0-20ppm 0.1ppm 5ppm
CO2 0-5000ppm 1ppm 2000ppm
NO 0-250ppm 0.1ppm 50ppm
SO2 0-50ppm 0.1ppm 5ppm
CL2 0-20ppm 0.1ppm 5ppm
NH3 0-100ppm 0.1ppm 20ppm
H2 0-1000ppm 0.1ppm 50ppm
PH3 0-20ppm 0.1ppm 5ppm
HCL 0-20ppm 0.1ppm 5ppm
HCN 0-50ppm 0.1ppm 5ppm
C2H4O 0-100ppm 0.1ppm 20ppm
O3 0-10ppm 0.01ppm 2ppm
CH2O 0-5ppm 0.1ppm 2ppm
If the above parameters do not meet your needs, please contact customer service.

How to maintain the gas sensor

Maintaining gas sensors is essential to ensure their optimal performance, reliability, and longevity. Proper maintenance practices help prevent sensor degradation, drift, and false readings, ultimately contributing to accurate gas detection and safety assurance. Here are some key guidelines for maintaining gas sensors:

Regular Calibration: Calibrate the gas sensor according to the manufacturer’s recommendations and industry standards. Calibration ensures that the sensor’s response remains accurate and consistent over time. Depending on the specific sensor type and application, calibration may involve zero-point calibration (for removing offset errors) and span calibration (for adjusting sensitivity).

Scheduled Sensor Testing: Conduct routine testing of the gas sensor to verify its functionality and responsiveness.

Cleaning and Inspection: Use appropriate cleaning agents and methods recommended by the sensor manufacturer to prevent buildup of dust, dirt, or residues that may interfere with gas detection.

Environmental Considerations:  Protect the sensor from extreme temperatures, humidity, corrosive chemicals, and mechanical stress that could affect its performance or lifespan.

Replacement of Consumable Parts: If the gas sensor incorporates consumable components such as filters, membranes, or electrolytes, follow the recommended replacement schedule to maintain optimal sensor performance and accuracy.

Record Keeping: Documenting maintenance activities helps track the sensor’s history, identify trends, and comply with regulatory requirements.

Training and Awareness: Ensure that personnel responsible for gas sensor maintenance receive adequate training on proper handling, maintenance procedures, and safety precautions.

By following these maintenance practices, operators can maximize the reliability, accuracy, and service life of gas sensors, contributing to effective gas detection, safety assurance, and regulatory compliance across various industrial, commercial, and environmental monitoring applications.

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