Combined with a smartphone or tablet, the testo 115i clamp thermometer is the ideal temperature measuring instrument for carrying out servicing and troubleshooting on air conditioning and refrigeration systems, as well as for installing them. It can also be used to measure flow and return temperatures.

• Measurement of the flow and return temperature of heating systems
• Measurement of temperatures in refrigeration systems in order to calculate superheating and subcooling
• Easy to use at measuring points that are far apart
• Rapid detection of temperature changes via graphical progress display