Use this test kit from Testo to install, service and troubleshoot your AC (air conditioning) and refrigeration systems. It contains two NTC (negative temperature coefficient) clamp thermometers and two high-pressure gauges. For easy data analysis, all the components are Bluetooth-enabled, so you can connect them to the Testo Smart Probes App on your phone or tablet. The app features over 90 common refrigerants profiles for quick diagnosis of measurement values. This unit comes in a durable case with customised foam inserts, so you can keep your tools safely stored when not in use.

• Bluetooth range of 100m for long-distance communication
• Broad operating temperature range of -20°C to +50°C for use in hot and cold environments
• Hoseless connection of gauges for low refrigerant loss

• HVAC (heating, ventilation and air conditioning) systems
• Storage facilities

The thermometers have a temperature measuring range between -40°C and +150°C for use in hot and cold applications. Both pressure gauges have a measurement range of -1 to 60 bar, so you can use them in low-pressure and high-pressure environments.