testo 552i Wireless Digital Vacuum Probe - Vacuum Gauge for HVAC Systems with IP54 Protection – 45° Service-Port Design - HVAC Tool for AC/R System Evacuation with Bluetooth and App

testo 552i vacuum probe – Accurate, app-controlled vacuum measurementsThe testo 552i Micron Gauge measures vacuum via just one service port and with no loss of refrigerant. Its handy, robust and clever design support HVAC technicians with numerous intelligent features like the graphic display of measurement data in the testo Smart App or on the manifold’s display. Its smart Bluetooth integration allows for data to be stored and evaluated reliably and efficiently, thus saving precious time and resources.Technical data testo 552i:Measuring range: 0 to 0.39 psi; 0 to 26.66 mbar; 0 to 20000 micronAccuracy: ±(10 micron + 10 % of mv) (100 to 1000 micron)Protection class: IP54Resolution:1 micron (0 to 1000 micron) ; 10 micron (1000 to 2000 micron) ;100 micron (2000 to 5000 micron)Battery life: 39 hoursBattery type: 3 x AAA micro batteriesConnection: 7/16” UNFMeasuring range: 0.5 secWeight: 142 gDimensions: 150 x 32 x 31 mmOperating temperature: -10 to +50 °CStorage temperature: -20 to +50 °CSystem requirements: requires iOS 11 or higher; requires Android 6 or higher; requires mobile end device with Bluetooth 4.0Scope of delivery:1 x testo 552i vacuum gauge, banderole, instruction manuals and calibration protocols, 1 x Carton box packaging

• Accurate: The testo 552i vacuum gauge delivers precise deep-vacuum measurements down to single-digit resolution, giving you confidence that evacuation targets are reliably reached and verified—no guesswork, no unnecessary waiting
• Easy-to-use: The micron gauge features an integrated 45° angle for quick, stress-free installation at any service port, while the robust IP54 housing ensures dependable operation even in demanding HVAC environments
• Clever: For wireless vacuum measurement, the testo 552i vacuum gauge automatically connects to digital manifolds and operates via a single service port. Saving time, reducing setup complexity, and preventing refrigerant loss
• Efficient: The hvac tool enables fast vacuum assessment and displays live measurement data directly on the digital manifold and in the testo Smart App, so you can make informed decisions without interrupting your workflow
• Smart App: Use the Smart App to clearly document results on your smartphone or tablet, control service and maintenance tasks remotely, and send reports directly from the job site - saving time on documentation and follow-up