NDIR SO2 gas sensor module- Infrared Modules Detect SO2 Gas Sensor
SO2 gas sensor module adopts non dispersive infrared technology, which has the characteristics of high sensitivity, high resolution, oxygen free dependence, stable signal, accurate measurement, low power consumption and long service life. SO2 gas sensor module has diffusion type and pump type, which can be selected according to the demand.
(1)Using NDIR technology
After the infrared radiation emitted by the infrared light source is absorbed by a certain concentration of the gas to be measured, the spectral intensity proportional to the gas concentration will change. The concentration of the gas to be measured can be inversed by calculating the change of the spectral intensity;
(3)The principle of NDIR is adopted
The advanced optical path, precision circuit and intelligent software are combined to form a universal infrared SF6 sensor.
(1)Large scale monitoring
The good selectivity of SO2 gas sensor module makes up for the deficiency of traditional electrochemical sensor in the selection of high range test range.
(2)Fearless of harsh environment
With imported infrared light source and dual channel pyroelectric measurement, and automatic temperature compensation function, stable and reliable measurement results can be obtained even under harsh temperature and environmental conditions.
Compared with the traditional electrochemical sensor, NDIR sensor has no obvious consumption and long service life.
(4)Zero calibration function
It is convenient for users to calibrate the zero point.
(5) Da output, analog voltage signal
The voltage output range and corresponding measuring range can be customized according to customer's requirements.
SO2 gas sensor module is widely used in HVAC fresh air control / indoor air quality monitoring / agricultural and animal husbandry production process monitoring. It can be installed in intelligent buildings / ventilation system controller / wall mounted use / robot / automobile and other applications.
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