Infrared Carbon Dioxide Analyzer

Infrared Carbon Dioxide Analyzer

  • Product Number:LD-Q2
  • Product Difference:High-precision instrument for detecting toxic and harmful substances in the air, measuring the concentration of carbon dioxide in the air

Product Introduction

The infrared CO₂ analyzer is a high-precision instrument developed by our factory for detecting toxic and harmful substances in public spaces. Utilizing non-dispersive infrared technology to measure carbon dioxide concentrations in the air, it offers high measurement accuracy, extended service life, and minimal cross-interference. This instrument is essential for environmental monitoring and occupational health surveillance. It is widely used in environmental protection, environmental monitoring, health supervision, occupational health, disease control, and research institutions.

Product Features

  • Features an Android operating system with a 7-inch touchscreen display for enhanced real-time human-machine interaction.

  • Equipped with high-precision infrared sensors for superior measurement accuracy, rapid response, and minimal warm-up time.

  • Offers ample storage capacity, capable of retaining over 100,000 data entries.

  • Supports both nitrogen zero calibration and catalytic zero calibration methods.

  • Built-in thermal printer for immediate data printing upon test completion.

  • USB data interface enables data export to USB drives.

  • Digital flow sensor with real-time flow rate display.

  • Built-in passage switching solenoid valve for automatic zeroing and measurement switching.

  • Integrated Wi-Fi for data upload to platforms upon test completion, facilitating data monitoring (optional 4G module available).

  • Includes internal constant-temperature heating for operation in outdoor low-temperature environments.

  • Features temperature and humidity measurement with built-in compensation algorithms to eliminate the impact of temperature variations on measurement data.

  • Displays 0.5-hour averages, 8-hour averages, and daily averages; includes scheduled storage functionality.

Product parameters

Detection PrincipleNon-Dispersive Infrared Gas Analysis Method/ Non-Dispersive Infrared Method (NDIR)
Detected GasCarbon Dioxide (CO₂) in Air
Detection MethodBuilt-in Pump Suction
Measurement Range

Option 1,   0~0.500% CO₂ (0-5000ppm CO₂)

Option 2,   0~1.000% CO₂ (0-10000ppm CO₂)

Operating Temperature Range-20∽60℃
Humidity10-95%RH
Concentration Displayppm, mg/m³, % auto-switching
CO2 Resolution0.0001% CO2
Display7-inch capacitive touchscreen
Storage> 100,000 sets of measurement data, automatic zero calibration technology
Linear error≤±2% F.S.
Repeatability≤1.0%
Span drift≤±2% F·S /3h
Zero drift≤±1% F·S /h
Response timeCO2: ≤60S
Warm-up time5min
Flow rate(0.5-2.0) L/min
Output InterfaceUSB Direct Export to USB Drive
Alarm FunctionAudible and Visual Alarms
Power SupplyBuilt-in Lithium Battery, AC/DC dual-use, manually switchable
Dimensions257.3*147*300 (mm)
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