Description
📊 Elevate your HVAC game with wireless precision—ditch the hoses, keep the edge!
- DUAL PROBE POWER - Combine two 549i probes with 115i temperature sensors to master superheat and subcooling diagnostics.
- SMART DEVICE SYNC - Seamlessly pairs with Android and Apple devices via the testo Smart Probes App for real-time data.
- COMPACT YET MIGHTY - Second-generation design engineered for professional-grade servicing and troubleshooting of AC/refrigeration systems.
- PLUG PLAY PRECISION - Connects effortlessly to Schrader valves without tools or hoses—no refrigerant loss guaranteed.
- CUT THE CORD NOT THE ACCURACY - Wireless pressure readings up to 350'' away for ultimate freedom on the job.
The Testo 549i is a second-generation, wireless high-pressure gauge designed for professional HVAC and refrigeration technicians. It connects tool-free to Schrader valves, transmits accurate pressure data up to 350 inches to Android or Apple devices, and integrates with temperature probes for comprehensive system diagnostics—making servicing faster, cleaner, and smarter.