Kaiterra Square, Modbus User Manual, Page: 7 / 8

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Register Address
Address Content R/W Property Comments
Input register 0 PM2.5 R 0-999 ug/m3
Input register 1 TVOC R 0-60000 ppb
Input register 2 Temperature R
-30.0-50.0
℃
Input register 3 Humidity R 0.0%-100% RH
Input register 4 CO2 R 0-9999 ppm
Input register 5 PM10 R 0-999 ug/m3
Input register 6 HCHO R 0-2000 ppb
Input register 7 CO R 0.0-500.0 ppm
Input register 8 O3 R 0.0-100.0 ppm
Input register 9 Reserved R
Input register 10 Reserved R
Input register 11 Reserved R
Input register 12 Reserved R
Input register 13 Reserved R
Input register 14 AQI R 0-500