Introduction
A gas detector is an instrument used to detect and measure the concentration of gases in the air, and it is used for safety monitoring, leak detection, environmental monitoring, and process control in industry, laboratories, mining, firefighting, and many other applications. Gas detectors operate on various principles, including electrochemical sensors, which measure gases such as oxygen, carbon monoxide, and hydrogen sulfide; catalytic bead sensors for combustible gases; infrared sensors for carbon dioxide and hydrocarbons; photoionization detectors for volatile organic compounds; and semiconductor sensors, and they provide alarms when the gas concentration exceeds the set threshold, warning of toxic, flammable, or oxygen-deficient conditions; the detectors are available as portable personal monitors, which are worn by workers, and fixed systems with multiple sensors and central monitoring, and they are calibrated and tested regularly to ensure accurate and reliable operation. Gas detectors are used in industry for monitoring toxic and flammable gases in workplaces, in confined spaces, in mines, in chemical plants, in refineries, in wastewater treatment, for detecting gas leaks in buildings and pipelines, in laboratories for safety monitoring, in firefighting for detecting hazardous gases, in environmental monitoring for air quality, for measuring emissions, and for many other applications, and they are used to protect personnel, to detect leaks, to monitor processes, and to comply with safety regulations. With their protection of life and property, gas detectors are essential safety instruments in many industries.
Wall-mounted CO₂ Gas Detector LAGD-T2011
Wall-mounted CO₂ Gas Detector weighs 320g and operates on a 2000 mAh battery. It’s sturdy and tamper-resistant casing enhances durability in harsh environments. The rugged enclosure sh...
Wall-mounted CO₂ Gas Detector LAGD-T2010
Wall-mounted CO2 Gas Detector with a CO2 measuring range of 400 to 5000 ppm. It’s equipped with an advanced sensor for accurate gas detection. The built-in temperature and humidity sens...
NH3 Ammonia Gas Detector LGAD-T2010
NH3 Ammonia Gas Detector within a temperature range of -10°C to 50°C. Its built-in data logger records measurements for future analysis. The device enhances workplace safety by providi...
CO Carbon Monoxide Gas Detector LCGD-T2011
CO Carbon Monoxide Gas Detector a net weight of 81g and is powered by 800 mAh power supply. Its weather-resistant design ensures durability in both indoor and outdoor environments. The d...
CO Carbon Monoxide Gas Detector LCGD-T2010
CO Carbon Monoxide Gas Detector within a CO measuring range of 0 to 500 ppm. The high sensitivity allows early detection of carbon Monoxide, reducing the risk of poisoning. Its easy-to-r...
Portable 4 In 1 Multi Gas Detector LPGD-T2012
Portable 4 in 1 Multi Gas Detector detects PH₃ from 0 to 100 ppm, CH₃Br from 0 to 100 ppm, and CO₂ up to 5000 ppm. It features an concentration monitoring. The operating temperature r...
Portable Methane Gas Detector LPMG-T2014
Portable Methane Gas Detector detects methane within a 0–100% data points. The detector uses the catalytic combustion principle to measure the amount of methane gas in the air. Its larg...
Portable 4 In 1 Multi Gas Detector LPGD-T2011
Portable 4 in 1 Multi Gas Detector detects up to 4 gases, including combustible gas, O₂, and toxic gases. It measures combustible gases up to 100,000 ppm, O₂ up to 300,000 ppm, and CO ...
Portable Cl₂ Gas Detector LPSG-T2031
Portable Cl₂ Gas Detector measures chlorine gas 0-100 ppm with 0.01 ppm resolution, ensuring accuracy. It utilizes advanced electrochemical detection principles; it ensures accurate and...
Portable Methane Gas Detector LPMG-T2013
Portable Methane Gas Detector is designed to measure methane concentrations from 0 to 100% volume, delivering reliable leak detection. It offers rapid detection for quick and effective r...
Wall Mounted 2 In 1 Multi Gas Detector LAGD-T2011
Wall Mounted 2 in 1 Multi Gas Detector detects NH₃ and B₂H₆ gases within a range of 0 to 100 ppm. This intelligent, hot-swappable fixed gas detector features a quick response time of ...
Portable 4 In 1 Multi Gas Detector LPGD-T2010
Portable 4 in 1 Multi Gas Detector has a detection range of up to 5000 ppm for NH₃, SO₂, and CO₂, and up to 10000 ppm for H₂S. The built-in high-power carbon film self-priming pump e...
Portable Multiple Gas Detector LPMG-T2020
Portable Multiple Gas Detector detects flammable, toxic, and harmful gases using a pump suction sampling method with a 500 mL/min flow rate. The detection principle involves electrochemi...
Portable Multiple Gas Detector LPMG-T2012
Portable Multiple Gas Detector can measure up to 4 gases simultaneously (O₂, CH₄, CO, H₂S). It measures gas starting in the to % Volume. Features audible, visual, and Geiger alarm fun...
Portable SO₂ Gas Detector LPSG-T2022
Portable SO₂ Gas Detector offers a measuring range of 0 to 5000ppm with 1ppm resolution. It uses a pumping sampling method with adjustable suction. Features self-calibration and zero ca...
Portable NH₃ Gas Detector LPSG-T2010
Portable NH₃ Gas Detector is engineered to accurately measure ammonia (NH₃) gas concentrations ranging from 0 to 5000 ppm. It has a built-in micro-sampling pump with adjustable suction...
Portable Multiple Gas Detector LPMG-T2011
Portable Multiple Gas Detector is a five sensor gas detector. It utilizes the diffusion or pump method for the detection of gas. It operates on a temperature range of -20 ℃ to 50 ℃ wit...
Wall Mounted Gas Detector LAGD-T2010
Wall Mounted Gas Detector includes one control panel with H2 detector, detector, NH3 detector, and O2 detector. The panel supports 1 to 4 channels of 4 to 20 mA signal acquisition and is...
Portable Nitrous Oxide Gas Detector LPNG-T2011
Portable Nitrous Oxide Gas Detector utilizes electrochemical methods for precise detection of over 30 gases up to 20000 ppm. Offers continuous monitoring of oxygen and hazardous gases wi...
Portable He Gas Detector LPHG-T2010
Unleash the power of precision with the Portable He Gas Detector specially crafted for durability. Equipped with a flashlight for visibility in the darkest spaces. This tool integrates r...
Portable 2 In 1 Gas Detector LPTG-T2011
Portable 2 in 1 Gas Detector is a high-precision instrument designed for the simultaneous detection of SO₂ and CO gases. It uses a built-in pump with a 500 ml/min flow rate and electroc...
Portable VOC Gas Detector LPVG-T2010
Portable Gas Detector is a compact, pump-suction device for detecting O₂, EX, and toxic gases like H₂S, NH₃, CO, SO₂, Cl₂. It ensures high sensitivity and reproducibility with impor...
Handheld C2H4 Ethylene Gas Detector LEGD-T2011
Handheld C2H4 Ethylene Gas Detector is a self-calibrated detector designed for quick response times, quite useful for immediate gas leak detection in case of accidents. Internal sampling...
Portable Nitrogen N2 Gas Detector LNGD-T2010
Portable Nitrogen N2 Gas Detector is integrated with multiple gas sensors and, 3.5-inch high-definition wide viewing angle. Equipped with built-in gas sampling pump with adjustable ten-s...
Portable Multiple Gas Detector LPMG-T2010
Portable Multiple Gas Detector is a compact, lightweight gas detector that detects H₂S, CO, O₂, and CH₄ simultaneously. It has large lattice display for real-time monitoring with adju...
Portable Single Gas Detector LPSG-T2010
Portable Single Gas Detector is a lightweight device for detecting flammable gases, oxygen, and toxic gases. It operates on a diffusion sampling method and utilizes different measurement...
Portable 2 In 1 Gas Detector LPTG-T2010
Portable 2 in 1 Gas Detector is a lightweight handheld device for detecting CO₂ and gases like O₂, CO, NH₃, or H₂S simultaneously. It uses diffusion sampling and features two distinc...
Portable NO2 Gas Detector LPSG-T2021
Portable NO2 Gas Detector is a fast response and high accuracy gas measurement device with 0 to 1000 ppm range. Its internal sampling pump with fast sampling speed and high flow rate, en...
Portable SO2Gas Detector LPSG-T2020
Portable SO2Gas Detector is a fast response and high accuracy gas measurement device with 0 to 1000 ppm range. Its internal sampling pump with fast sampling speed and high flow rate, ens...
Portable H2S Gas Detector LPSG-T2030
Portable H2S Gas Detector is a fast response and high accuracy H2S gas measurement device with 0 to 5000 ppm range. Its internal sampling pump with fast sampling speed and high flow rate...
Portable 10 In 1 Multi Gas Detector LMGD-T2010
Portable 10 in 1 Multi Gas Detector is simultaneous detector of 10 gases namely O2, CH4, CO2, , CO, H2S, SO2, CL2, NO2, NH3. It display multiple display modes selectable, multi-channel d...
Handheld C2H4 Ethylene Gas Detector LEGD-T2010
Handheld C2H4 Ethylene Gas Detector is a portable device with built-in sampling pump having a flow rate of 1 standards which makes it suitable for use in harsh environmental conditions. ...
Portable Infrared Gas Detector LIGD-T2010
Portable infrared gas detector is a hand-held SF6 (sulfur hexafluoride) Gas detector for continuous measurement of gas. Adopted with imported gas infrared sensor, it utilizes unique meth...
Standards
IEC 60079-29-1:2016-Explosive atmospheres-Part 29-1: Gas detectors-Performance requirements of detectors for flammable gases
IEC 60079-29-2-Explosive atmospheres-Part 29-2: Gas detectors-Selection, installation, use, maintenance and service
ISO 6143:2001-Gas analysis-Comparison methods for determining and checking the composition of calibration gas mixtures
Complies with the above standards, but is not limited to them.
Features
1. Gas detectors for monitoring and alarming hazardous gas concentrations.
2. Fixed or portable detection of combustible, toxic and oxygen deficiency gases.
3. Suitable for industrial, laboratory, chemical, oil/gas, mining and facility safety.
4. Includes sensor, display, alarm, controller (fixed) or portable unit and manual.
5. Supports gas leak detection, safety monitoring and regulatory compliance.
FAQ
Q1: What testing scenarios are these detectors mainly applied to?
A: Gas detectors are used in industrial facilities, chemical plants, oil and gas, mining, laboratories, wastewater treatment, food processing, confined spaces and buildings to monitor and alarm for hazardous gas concentrations including combustible gases (LEL), toxic gases (CO, H2S, Cl2, NH3, etc.) and oxygen deficiency/enrichment for personnel safety, regulatory compliance and facility protection. They support industrial plant gas leak detection and safety monitoring, laboratory hazardous gas monitoring, oil and gas exploration and production safety, mining gas detection (methane, CO), confined space entry monitoring, wastewater treatment gas monitoring (H2S, CH4), food processing CO2 and ammonia monitoring, and building indoor air quality. Gas detectors are critical safety equipment for protecting personnel from gas hazards in various industries.
Q2: What standards do these detectors comply with?
A: Gas detectors comply with relevant ISO, IEC, ASTM and GB/T standards for gas detection equipment, including IEC 60079 for explosive atmospheres (ATEX/IECEx), ISO 15106, GB 12358 for gas detectors, and applicable performance standards. The hardware complies with relevant electrical safety standards and may require intrinsic safety certification for hazardous areas. Calibration should use certified gas standards traceable to international standards. Specific industries follow applicable regulations (OSHA, GBZ, mining safety regulations).
Q3: What is the warranty period for the whole detector and key components?
A: The whole gas detector is covered by a 12-month warranty. The sensor, electronics, display, alarm and housing are covered, while sensors, batteries, filters and fuses are consumables (sensors have limited service life, typically 1-3 years). Damage from improper use, sensor poisoning or unauthorized repair is excluded. Extended service contracts are available for this critical safety equipment.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained safety personnel familiar with gas hazards, detector operation, calibration and emergency procedures. We provide operation manuals, training and application support. Proper sensor selection, calibration, bump testing, alarm response, maintenance and emergency procedures are critical for effective gas detection and personnel safety.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Bump test (functional test) recommended before each use for portable detectors. Full calibration with certified gas standards recommended every 1-6 months depending on sensor type and regulations. Sensor condition and response verified. Battery replacement when needed. Full detector performance verification annually. Sensor replacement when calibration fails or response degrades.
Q7: Are supporting consumables universal?
A: Calibration gas, sensors, batteries, filters and tubing are available from specialized gas detection suppliers, though sensor type and compatibility should be verified. Long-term consumable cost depends on gas type, sensor lifespan and calibration frequency.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes gas type (combustible, toxic, oxygen), detection range, sensor type (electrochemical, catalytic, infrared, PID), fixed vs portable, multi-gas capability, alarm features, data logging, communication and accessories. Additional sensors, calibration gas and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Portable detectors require no installation. Fixed gas detection systems include on-site installation, commissioning, calibration and operator training by certified gas detection specialists. Site survey and sensor placement guidance are provided before delivery.
Q10: What types of gases are compatible with this equipment?
A: Gas detectors monitor specific gases including combustible gases (methane, propane, hydrogen, LEL), toxic gases (CO, H2S, Cl2, NH3, SO2, NO2, O3, etc.), oxygen (deficiency/enrichment), VOCs (PID) and CO2 within the gas type, detection range and sensor specification. Different gases require specific sensor types: catalytic bead or infrared for combustibles, electrochemical for most toxics, NDIR for CO2, PID for VOCs. Sensor poisoning (e.g., silicone, lead for catalytic beads) can affect performance. Users should select the appropriate sensor for the target gas, calibrate with certified gas standards, perform regular bump tests, place sensors at appropriate heights (lighter gases near ceiling, heavier near floor), follow proper emergency response procedures, and replace sensors when calibration fails. For confined space entry, use a portable multi-gas detector and test before entry. For hazardous areas, use intrinsically safe certified detectors. The detector should not be used in concentrations exceeding the sensor range or in environments that could damage the sensor. Calibration gas should be traceable and within expiration. The detector should be stored properly (clean, dry environment) and the sensor should be maintained per manufacturer instructions. For fixed systems, integrate with alarms, ventilation and emergency shutdown per safety requirements.
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