Enjoy the full potential of what AC diagnosis has to offer with exclusive features that will keep you up-to-date and in touch with your customers. The team will be on hand to offer support when needed, making sure your PREMIUM experience is of the highest standard. At the end of this first free year there is no pressure to renew your subscription. You can continue to use AC diagnosis with reduced features through our free app. You decide what is right for you.

Learn more about FREE and PREMIUM plans



  • No. 1 Smart Bluetooth sensor with battery

  • No. 2 attachment system

  • Robust box with insert foam for great protection

  • Unlimited performance test

  • One year PREMIUM service



Compatible with refrigerant R-134a and R-1234yf



  • Communication: Bluetooth Low Energy 5.0 with automatic power-saving
  • Smart IoT technology integrates refrigerants performance chart
  • Working frequency: ISM frequency 2.402~2.480GHz
  • Spread spectrum method: FHSS
  • Transmitting power: 0dBm
  • Safety standard: AES 128bit
  • Temperature read-out in °F or °C
  • Temperature measure range: -40°C ~ +85°C (-40°F ~ 185°F)
  • Relative humidity measure range: 0 ~ 100%
  • Temperature measure accuracy:

          - between 15°C ~ +40°C, deviation is ±0.5°C;

          - between -40°C ~ +85°C, deviation is ±1°C

  • Broadcasting range: up to 50 m ( 160 ft)
  • Magnetic support
  • Operating temperature: 0°C to 50°C
  • Storage temperature: -20°C to 60°C
  • Battery type: Lithium battery CR2032, 3V, exchangeable
  • Dimension: diam. 31 mm x H 15 mm (diam. 1.22 inc x H 0.60 inc)



  • Compatible with iPhone and Android phones
  • iOS and Android mobile app available on iOS Store and Google Play
  • Requirements: iOS 10.0 or later and Android operating system 9.0 or later
  • Languages: English and Italian


AC diagnosis Smart IoT Sensor

SKU: 21IT002
Excluding Sales Tax
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