Carbon Dioxide Gas Alarm

Carbon dioxide gas alarms use infrared sensors to detect the absorption of specific wavelengths of infrared light by carbon dioxide molecules in the air. When the concentration exceeds a preset threshold, audible and visual alarms are triggered. These devices are used for air quality monitoring in confined spaces to ensure personnel safety and are commonly found in environments such as laboratories, greenhouses, and storage facilities.
Selection
When selecting, ensure the measurement range covers 500-5000 ppm, and prioritize NDIR infrared principle sensors. Pay attention to the adjustable alarm function, check explosion-proof certification and calibration cycles. Choose wall-mounted or portable structures based on the installation environment, and consider sensor lifespan and consumable costs for long-term use.

Terms

Standards

Instruments

Using electrochemistry principle to detect carbon monoxide, with a range of 0~ 1000ppm, with four Alarm modes and wireless data transmission functions, support temperature compensation algorithm and a variety of usage methods.

$ 254.00

Using industrial grade Sensor to detect nitrogen dioxide gas, range 0~ 20ppm, resolution 0.1ppm, Response Time T90 < 60s, with waterproof, dustproof and explosion-proof characteristics, small and durable.

$ 248.00

Can simultaneously detect 4 kinds of gases, integrated temperature Humidity detection, support diffusion and pump sampling, with Internet of Things remote monitoring function, Response Time T90 ≤ national standard, Protection Rating IP66, Operating temperature -40~ 55 ℃.

$ 911.00

With manual and automatic temperature compensation function, concentration Measurement range 1 × 10 ^ ²~ 5 × 10 ^ mol/L, the fastest reaction time is less than 4 minutes, support pFe value and iron Ion concentration display.

$ 382.00

Can simultaneously detect four gases, Electrochemical sensor, Response Time instant, alarm sound up to 80 decibels, operation temperature range -10~ 50 ℃, portable design weighs only 360 grams.

$ 241.00

Using Industrial Sensor, Response Time less than 30 seconds, accuracy +/- 3% FS, shell explosion-proof structure, 4-20mA standard signal output, can detect a variety of gas concentrations and have sound and light alarm function.

$ 267.00

Maximum support for simultaneous detection of 4 gases, integrated temperature and Humidity detection, compatible with pumping and diffusion Sampling method, Response Time T90 ≤ national standard, detection accuracy ≤ +/- 3% FS, with Internet of Things remote monitoring and a variety of Installation methods.

$ 1326.00

Gas Sleeve Heating mode is used to heat up quickly and evenly, Temperature Fluctuation +/- 0.5 ℃, carbon dioxide concentration recovery time is short, double door design sealing is good for easy observation, Humidity evaporates naturally.

$ 2068.00

Supports simultaneous detection of 4 gases and integrated temperature Humidity monitoring, adopts dual temperature Humidity compensation design, has zero point automatic correction function, Response Time T90 ≤ national standard, Protection Rating IP66, Operating temperature range -40~ 55 ℃.

$ 323.00

Using infrared NDIR detection principle, Response Time ≤ 30 seconds, detection error ≤ +/- 3% F. S, support 4-20mA, RS485 and switch output, with explosion-proof structure and remote alarm function, Sensor life up to 5 years.

$ 409.00

Support simultaneous detection of 4 kinds of gases, integrated temperature Humidity detection function, physical + software double revisit Humidity compensation, Response Time T90 ≤ national standard, detection accuracy ≤ +/- 3% FS, with a variety of alarm and remote monitoring capabilities.

$ 658.00

Modular design with MCU chip, with intelligent Sensor technology. Detection error ≤ +/- 3% F. S, Response Time ≤ 30S, support 3-wire 4-20mA analog and RS485 digital signal output, can be operated by remote control without opening the lid.

$ 977.00

Using infrared NDIR detection principle, range 0-500ppm, accuracy ≤ +/- 1% F. S, Response Time ≤ 30 seconds, support 4-20mA, RS485 and wireless signal output, with explosion-proof structure and remote monitoring capability.

$ 848.00

Using 32-bit microprocessor and 24-bit ADC chip, equipped with 2.4-inch high definition screen, support multi-Sensor and a variety of signal output, with explosion-proof and anti-corrosion design, Response Time ≤ 20s, detection accuracy ≤ +/- 2%.

$ 527.00

Supports 4-20mA signal input, compatible with two-wire and three-wire devices, provides 6 passive switches and RS485 interfaces, with two-level alarm settings, operating temperature 0-40 ℃, suitable for gas safety detection.

$ 212.00