MH7220 portable ambient air CO/CO₂The analyzer adopts gas filtering related infrared absorption method to measure CO/CO in ambient air₂The portable instrument is suitable for environmental air quality monitoring, vehicle mounted environmental air monitoring, environmental assessment, and other occasions.

Execution standards

• QX T 273-2015 "Atmospheric Carbon Monoxide Monitoring Method - Infrared Gas Filtering Correlation Method"
• HJ 965-2018 "Automatic determination of CO in ambient air by non dispersive infrared method"
• HJ 193-2013 Environmental Air Gaseous Pollutants (SO)₂、 NO₂、 O₃、 Technical Specification for Installation and Acceptance of Continuous Automatic Monitoring System (CO)
• HJ 654-2013 Environmental Air Gaseous Pollutants (SO)₂、 NO₂、 O₃、 Technical Requirements and Testing Methods for CO Continuous Automatic Monitoring System
• HJ 663-2013 Technical Specifications for Environmental Air Quality Assessment (Trial)
• HJ 818-2018 Environmental Air Gaseous Pollutants (SO)₂、 NO₂、 O₃、 Technical Specification for Operation and Quality Control of CO Continuous Automatic Monitoring System

Main features

• Has good anti-interference ability, and all technical performance meets the requirements of the US EPA;
• Support real-time data display, real-time data curve display;
• Adaptive signal filtering technology optimizes response time;
• Standard temperature, humidity, and atmospheric pressure sensors;
• 7-inch touch screen display, rich data display interface, user-friendly human-computer interaction;
• Large capacity memory, automatically stores historical data, supports historical data query, and historical alarm information query;
• Built in lithium battery, capable of continuous sampling for 4 hours.