The professional and compact testo 549i high-pressure measuring instrument can be controlled via the testo Smart Probes App using your smartphone or tablet, and is ideal for carrying out servicing and troubleshooting on air conditioning and refrigeration systems. The App also enables evaporation and condensation temperatures to be calculated automatically.

• Measurement of high and low pressure
• Quick and easy installation at the pressure connection
• Low refrigerant loss thanks to hose-free application
• Measuring range -1 to +60 bar