• Measures high side and low side refrigerant pressure and temperatures (simultaneously) of AC and refrigeration systems
• Low loss AC/R system checks
• No hoses required
• Compact wireless AC/R test kit
• Calculates superheat and sub cooling in the smart probe app
• 943 psi overload rel (high pressure)
• 250 hr (testo 115i), 150 hr (testo 549i) battery life
• CFC, HFC, HCFC, N, H2O and CO2 pressure media
• IOS 8.3 or newer, android 4.3 or newer, mobile end device with bluetooth four system requirements
• 0.1 deg F temperature, 0.01 psi pressure resolution

The testo AC/R smart probe set is a combination of four instruments that measure high side and low side pressures and temperatures of A/C and refrigeration systems. Configured to be used during commissioning, servicing, PM and troubleshooting A/C and refrigeration systems. This kit can be operated with no tools other than your smart phone to communicate with the instruments.