Gas Detection & Monitoring

High precision handheld NO2 detector for sale online. It is a compact nitrogen dioxide detector with an optional measuring range of 0 to 20/50/100 ppm, providing a sound, light and vibration alarm for NO2 gas leaks, fast response and accurate detection.

This handheld SF6 gas detector offers flexible detection ranges from 0 to 1000 ppm, 0 to 2000 ppm, and 0 to 3000 ppm. With a resolution of 1 ppm, this device provides unparalleled precision for detecting sulfur hexafluoride leaks in power stations, transformers, and circuit breakers.

Best air quality monitor for sale online. It is designed for measuring PM2.5/PM1.0/PM10, CO2, TVOC, Temperature and Humidity. AQI data can also be displayed on the screen. Other functions like time, calendar and alarm clock are included. Home air quality monitor comes with a big display, large capacity rechargeable battery and 24-hour real-time monitoring, easy to operate and read.

Radon monitor features a 2.0-inch TFT color screen that clearly displays real-time values, cumulative averages, and peak values. This radon monitor also monitors temperature and humidity, giving a comprehensive overview of indoor environmental conditions.

The hydrogen sulfide (H₂S) gas sensor features a 0–100 ppm measuring range, enabling reliable detection and monitoring of hydrogen sulfide concentrations across a broad range of industrial applications. It is suitable for wastewater treatment, sewage systems, oil and gas facilities, chemical processing, biogas systems, and industrial environments where continuous H₂S monitoring is required.

High accuracy indoor air quality monitor is used for performing 24-hour real time monitoring of PM2.5, HCHO, TVOC, PM1.0, PM10, temperature and humidity. Compact air quality tester features 4 independent sensors and a large LCD display to show real-time air quality readings, also supports time, calendar and alarm clock functions, suitable for home, car and public places.

Indoor air quality sensor with WiFi/RS485 Output delivers precise, real-time monitoring of PM2.5, CO2, TVOC, and formaldehyde levels. Its dual-output design enables seamless data transmission to building management systems. Low power consumption and a wide 10-30V DC power range ensure flexible installation. The sensor provides instant alerts and historical data logging for effective ventilation management.

Industrial fixed carbon monoxide (CO) gas detector provides continuous and accurate monitoring of CO gas levels in industrial and commercial environments. With multiple measuring ranges (0–10 ppm, 0–20 ppm, 0–50 ppm, 0–100 ppm, 0–1000 ppm, 0–2000 ppm, and 0–5000 ppm), this detector meets the needs of various applications—from precise low-level detection to high-concentration industrial monitoring.

Cheap price infrared leak detector for sale online. The HVAC refrigerant leak detector has an adjustable sensitivity with High/Medium/Low levels and the maximum sensitivity is up to 0.1oz/yr.

The SISCO laser methane sensor is designed for highly selective detection of methane (CH₄). It responds specifically to methane gas while minimizing interference from other gases. With a measuring range of 0 to 5% Vol, it is suitable for continuous methane monitoring in industrial and safety-critical environments.

The nitrogen purity analyzer equipped with an intuitive LCD digital display, offers real-time measurement of oxygen content, enabling users to accurately determine nitrogen purity. It provides relay contact output and a 4-20mA standard analog output, ensuring seamless integration into industrial automation and monitoring systems.

Standalone fire alarm with a 360-degree high-decibel smoke detection system. This fire alarm emits a powerful 85 dB sound audible up to 3 meters away. It is equipped with highly sensitive sensors that provide immediate alerts when smoke levels surpass safety thresholds. Ideal for use in homes, hotels, schools, computer rooms, and libraries.

The sisco wall mounted photoelectric smoke detector features an infrared photoelectric sensor and a beeping smoke alarm that accurately removes interference from normal smoke, such as cigarettes, and prevents false alarms. This smoke alarm has 85dB of audible alarm sound, built-in battery, in the case of low battery voltage, can also be issued every 40 seconds short "beep" sound reminder, for your intimate protection.

Portable air quality detector can detect the formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), and particulate matter (PM2.5/PM1.0/PM10) in the air as well as temperature and humidity, and also show you air quality index (AQI) on the LCD display. High accuracy air quality monitor is the ideal test tool to protect your health at home/office/car.

Portable gas detector provides ammonia (NH3) gas leak monitoring with a high accuracy sensor and audible & visual alarm. Handheld pumping-type gas detector has an optional measuring range of 0 to 50ppm, 0 to 100ppm, 0 to 200ppm and 0 to 500ppm, widely used in refrigerated spaces, liquid ammonia tank storage areas, laboratories, livestock farms, sewage treatment plants, etc.

Best carbon monoxide detector for sale online. Handheld CO detector comes with a high-accuracy sensor and a selectable measuring range of 0 to 500 ppm, 0 to 1000 ppm, and 0 to 2000 ppm. Pump suction type, gas leak alarm with audible, visual and vibrating, compact size and lightweight, long working time, easy to carry and operate.

SISCO CO gas detecter is a compact 3-in-1 portable safety monitor that tracks carbon monoxide, temperature, and humidity in real time. With a 0–500 ppm CO range, 1 ppm resolution, and <3 s response time, it delivers precise readings for tents, RVs, cabins, travel, and job-site use.

The chlorine gas detector has a built-in micro pump, high precision sensor, measurement range 0 to 10ppm/20ppm/50ppm/100ppm, and a sound, light and vibration alarm. The portable Cl2 detector is the best choice for detecting chlorine.

Portable explosion-proof gas detector can detect 4 gases at the same time, including CO (0-1000ppm), H2S (0-100ppm), O2 (0-30%VOL), EX (0-100%LEL). It has IECEX, ATEX explosion-proof certificates, protection level reaches IP67, compact ergonomic design makes it easy to carry. The gas detector can effectively filter water, oil, dust and other impurities, widely used in harsh industrial environments such as coal mines and petroleum fields.

Portable explosion-proof gas detector has got IECEX and ATEX certificates that can detect CO, H2S, O2, LEL, and VOC at the same time. 0 to 100 ppm, 0 to 500 ppm, 0 to 1000 ppm, and 0 to 5000 ppm VOC measuring range for optional, fast response and accurate detection.