The imported air quality sensor adopts the professional imported semiconductor sensor probe as the core detection device.
The volume is small and the power consumption is low, and the accurate measurement can be completed.
This sensor can integrate the parameters of temperature, humidity, TVOC, equivalent carbon dioxide concentration and so on.
Using the latest method of light detection at the University of Cambridge in the UK, using tiny heating to decompose organic matter.
The TVOC concentration is calculated by measuring the amount of carbon dioxide produced, with higher accuracy and resolution than traditional semiconductor measurements.
Domestic air quality sensors use VOC sensors to sample polluted gases in the air. A high-speed MCU can be used for AD acquisition, and the collected data is periodically transformed into Fourier butterfly shape.
The converted frequency domain data is separated from the various drift frequency domain data stored in the database, and the collected frequency domain is processed The frequency domain amplitude of the data, which is subjected to temperature, humidity and pressure, and other drifts.
Is removed and processed in the frequency domain and amplitude combined into true contamination data.
TVOC Measurement Range: 0-1000ppb(enter port)/30ppm(domestic)
TVOC measurement: Optical detection
TVOC measurement accuracy: 5%F.s
eCO2 measurement range: 400-5000ppm
ECO2 measurement: Gas Sensitive Equivalent Measurement
Measurement accuracy of eCO2: equivalent, the value is only of reference significance
Life length: 5 years (normal environment)
Baud rate: 2400/4800/9600
Communication port: RS485/4-20mA/0-5V/0-10V/NB-IOT/GPRS/4G/LORA/5G
Power Supply Voltage: Bus power supply ,12V-24V DC
Electricity consumption: =0.15W(@12V DC , 25℃)
Pressure limit: normal atmosphere±10%
Repetitiveness: <2%output value
Response time: =15S
Running temperature: 0-50℃
Working humidity environment: 20-90%RH
Working pressure range: 0.9-1.1atm
Outline dimension: 110×85×44mm3
Working humidity: 15-90%(No condensation)