For testing of refrigeration, air conditioning and heat pump systems in conjunction with the TPI View app for reporting and calculation of Superheat, Subcool and Heat and Cool. View 'Live' temperature readings wirelessly on a Smartphone or Tablet and instantly save, e-mail and/or print. Set-up remote data logging with multiple instruments logging at the same time to help identify intermittent faults. Over 100m range (depending on obstacles/line of sight). Ideal for checking for compressor leaks with the wireless high pressure probes. Use the wireless humidity and temperature probes to calculate wet bulb, dewpoint, and enthalpy. Calculate heat and cool with the humidity and temperature probes. Pressure range of 14.7 to 870psi (-1 to 60bar) from the wireless high pressure probes. Works with - iOS App - Android App Hub Not Required Works with - iOS App - Android App Hub Not Required