This instrument complies with GB/T18204.2-2014Method for Testing Carbon Monoxide in the Air of Public PlacesGB/T9801-88The national standard for the determination of carbon monoxide in air quality using non dispersive infrared spectroscopy; comply withJJG635-1999The national metrological verification regulations for infrared gas analyzers for carbon monoxide and carbon dioxide.

The main technical indicators of this instrument meet the technical requirements of national second-class instruments and can obtain a second-class calibration certificate from the Chinese Academy of Metrology.

This instrument has a built-in zero adjustment filter, a six way valve for switching zero adjustment and measurement, and is easy and flexible to operate; This instrument adopts a large screen LCD display, can automatically zero, and can displaymg/m³Can store measurement data, equipped withRS232Interface and dedicated data transmission software.

This instrument can increaseO₂Measurement function for temperature and humidity. Can be customized to enable continuous measurement24An instrument with the ability to directly display daily mean values for hours.

Main technical indicators
Measurement principle: Non dispersive infrared gas analysis method/Non dispersive infrared method (NDIR)
Sampling method: built-in pump suction
Measurement range: 0~50.0 × 10-6 or 0~200.0 × 10-6 (customizable, maximum 0~100.0%)
Resolution: 0.1 × 10-6
• Linearity: ≤± 2% F • S
• Repeatability: ≤ 1% F • S
• Zero drift: ≤± 2% F • S/4h