MH3205 portable infrared CO/CO₂The analyzer uses non dispersive infrared spectroscopy (NDIR) to measure CO and CO in the air₂Waiting for concentration. Suitable for routine environmental air quality monitoring and comparison of CO and CO measurement results in public places, workplaces, labor protection, civil air defense systems, health and epidemic prevention, tunnels, and online monitoring instruments₂Concentration measurement.

Execution standards

• JJG 635-2011 Infrared Gas Analyzer for Carbon Monoxide and Carbon Dioxide
• HJ 965-2018 "Automatic determination of carbon monoxide in ambient air by non dispersive infrared method"
• GB 9801-1988 "Air quality - Determination of carbon monoxide - Non dispersive infrared method"
• GB 37488-2019 "Requirements for hygiene indicators and limits in public places"
• GB/T 17094-1997 "Hygienic Standard for Carbon Dioxide in Indoor Air"
• GB/T 18204.2-2014 "Methods for hygiene inspection of public places - Part 2: Chemical pollutants"

Product Features

• Non dispersive infrared optical method for measuring CO and CO₂High accuracy and low detection limit;
• Equipped with a large capacity lithium battery, it can work continuously for about 8 hours;
• The instrument can be equipped with low-temperature heating to reduce environmental temperature changes and the impact of low temperatures, resulting in more stable and accurate measurement values;
• Support manual and automatic measurement, real-time and scheduled measurement, with minute mean, hour mean, 8-hour mean, and daily average display;
• Built in CO, CO₂Scrubber, can use ambient air for zeroing, supports two zeroing methods: air and nitrogen;
• Support CO, CO₂Curve display, with over limit alarm function and fault self check function, making operation and use more convenient.