Thingsee AIR

Thingsee AIR is a state of the art, battery powered wireless IoT sensor for your indoor air quality monitoring. Together with Co², TVOC, temperature, barometric pressure, humidity sensors and ambient light sensor, it’s a perfect device to provide an extensive overlook to both present air quality data and the data history.

Thingsee AIR is part of Haltian Thingsee IoT solution and product family.

Product information

Product name Thingsee AIR
Product description Indoor AIR quality measurement
Vendor name Haltian Oy
Product type Wirepas sensor
Internal Model Code (IMC prefix for TUID)
  • TSAR01
  • XXAR01

Sensor measurement specifications

  • Measure CO₂ levels indoors
  • Measurement range 400 ... 5000 ppm
  • Accuracy is ±(30ppm +3% of reading)
  • Automatic baseline calibration takes 8 days, and requires that the CO₂ level drops at least once per day
  • Possibility for manual baseline calibration
  • CO₂ sensor is a nondispersive infrared sensor (NDIR)
  • Total volatile organic compounds
  • Resolution is 1ppb at range 0ppb-2008ppb
  • Resolution is 6ppb at range 2008ppb – 11110ppb
  • Resolution is 32 ppb at range 11110ppb - 60000ppb
  • Automatic baseline calibration takes 24 hours.
  • Measurement range -40 ... 85 °C
  • Accuracy is ±0.2°C
Relative humidity
  • Accuracy is ±2%
Barometric pressure
  • Measurement range 300 ... 1200 hPa
  • Absolute accuracy ±1hPa
  • Barometric sensor precision ±0.002hPa
Ambient light
  • Measurement is not calibrated
  • Use only for indicative purposes

Hardware info

Northbound interfaces
  • nRF52832 (Wirepas)
Battery type 2 x AA (replaceable)


Width 55.95mm
Height 26.88mm
Length 92.95mm
Weight 100 g

Operating conditions

  • Operating temperature +5°C ... +50°C
  • Operating humidity 0% ... 85% RH non-condensing
  • Storage temperature 5°C ... +25°C
  • Storage humidity 45% ... 85% RH non-condensing
  • IP rating IP30



Device descriptor for developers


Download device descriptor (JSON)

Installation instructions

Firmware versions