Testo manufactures to the highest standards in the industry and delivers ultra-rugged and extremely accurate test and measurement instruments for today's HVACR professionals. They are well known for their comprehensive combustion analysis offering, but now they are launching the first family of wireless HVACR test instruments! From pressure gauges to digital manifold kits to flow hoods and more, Testo now offers an entire suite of instruments that can be monitored wirelessly via your iOS or Android smartphone/tablet.


Refrigeration Smart Probe Kit - H28-190



  • Wireless probe kit for use with iOS and Android devices using free app
  • Measurement of high side and low side pressure without hoses or manifolds
  • Automatic superheat/subcooling calculations
  • Save results as PDF or Excel files and create custom reports that can be saved or shared via email

Smart Probes are also available separately:


Ventilation/AC Smart Probe Kit - H28-191



  • Wireless probe kit for use with iOS and Android devices using free app
  • Measurement of air flow velocity, volume flow, relative humidity and temperature
  • Automatically calculates dew point and wet bulb
  • IR thermometer laser targeting with 8-point circular pattern for quick, accurate measurements
  • Save results as PDF or Excel files and create custom reports that can be saved or shared via email

There's an app for that! The Smart Probes app allows you to control and monitor Smart Probes wirelessly via your iOS or Android smartphone/tablet.

  • Display up to six Smart Probes simultaneously for multiple tests, reports and automatic calculations
  • App instantly shows measurement value changes as a graph or table
  • Multiple measurement menus and calculations stored in the App including automatic calculation of evaporation and condensation temperatures, superheat and subcooling; volume flow measurement in ducts/at outlets; and more!
  • Measurement data reports can be completed with photos and sent out as a PDF or Excel files, saving hours of work.

550 Digital Manifold with Bluetooth - H85-899



  • Measure and display high/low side pressures and saturation/evaporation temperatures
  • Features Bluetooth support for monitoring, reporting and updating via smart devices
  • Built-in P/T chart for 60 refrigerants
  • 2 thermistor probe inputs for temperature and simultaneous real-time calculation of superheat and subcooling
  • Includes 2 pipe clamp probes and carrying case

420 Flow Hood with Bluetooth - H85-659



  • Accurately measures CFM, FPM, temperature, relative humidity and differential pressure
  • Flow straightener for more precise measurement at turbulent outlets
  • App integration via Bluetooth for fast and easy monitoring and reporting on site
  • Large, removable backlit display