For testing of refrigeration, air conditioning and heat pump systems in conjunction with the TPI View app for reporting and calculation of Superheat and Subcool. 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). Save, e-mail and/or Print 'Differential' temperature readings with one or 2 x SP323 probes. Store ALL GPS tagged test results within the TPI View Job Management. Ideal for checking for compressor leaks. Pressure range of -14.7psi to 870psi (-1 to 60bar) from the wireless high pressure probes. Works with - iOS App - Android App -1 to 60bar from Wireless High Pressure Probes Hub Not Required Works with - iOS App - Android App -1 to 60bar from Wireless High Pressure Probes Hub Not Required