RW-THC Indoor air quality sensor with CO2 and Modbus and WiFi

Available for backorder
  • Weight
    0.5 kg
  • SKU

Unipi RW-THC indoor air quality sensors are designed for measuring Temperature, Humidity, CO2, VOC, Bar. Pressure and Ambient Light. Feature WiFi and RS485 Modbus RTU connectivity

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1-4 items $252.49 / each N/A  
5-14 items $227.24 / each N/A save 10%
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  • $252.49

Unipi RW-THC indoor air quality sensors are designed for measuring indoor air quality in office buildings, schools, factory halls and other similar objects. Sensors can be used to measure temperature, relative air humidity, CO2, barometric pressure, volatile organic compound concentration and ambient light intensity. Selected variants are also equipped with a carbon dioxide concentration sensor. Broad connectivity is provided by the support of communication via RS485 or Wi-Fi.

Please note LoRaWan option is not available as frequency is 868MHz which is not permitted in Australia.


  • Modbus RTU RS485 Communication
  • WiFi Connectivity
  • VOC measurement range AQ Index 0 - 500, indicative value. 
  • Temperature range -40°C / +85°C (+-0.5°C accuracy). 
  • Humidity 0 to 90%.
  • CO2 concentration range 300 - 5000 ppm
  • Ambient Light and Barometric Pressure
  • Attractive Wall Mounted Room Enclosure (for UK/European/US mounting)


  • installation: To a KU 68 wiring box
  • Wi-Fi: 802.11 b/g/n, 2.4 GHz
  • Digital outputs: 1× galvanically isolated open collector (max. 20 mA / 24V)
  • RS485 interface: Modbus RTU
  • Temperature: measurement range -40°C / +85°C (+-0.5°C accuracy)
  • Relative air humidity range: 0-90% RH non-condensing, accuracy +-2% (in range of 20-80%)
  • Power: 5-24V DC (terminal box) / 5V DC (data cable with long microUSB connector)
  • VOC concentration range: AQ Index 0 - 500, indicative value
  • CO2 concentration measurement range:  300 - 5000 ppm
  • Dimensions:120 × 80 × 25 mm
  • Barometric pressure range: 300 - 1100 hPa, accuracy +-5 hPa
  • Ambient light measurement range: 0 - 7500 lx, indicative value

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

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