1. Identify vacuum quickly and easily by means of the graphical display in the App or on the digital manifold screen.

2.Connects automatically via Bluetooth to the testo Smart App and digital manifolds.

3. Exceptionally compact and reliable thanks to the robust, easy-to-handle housing with IP54 protection class.

4. Easy installation at any service port thanks to the integrated 45° angle.

5. Use the testo 552i vacuum probe with Bluetooth to measure vacuum wirelessly with speed, ease and precision via just one service port – with no loss of refrigerant. The testo Smart App supports you with numerous intelligent features – for example, you can see the vacuum by simply glancing at the graphic illustration in the app or on the manifold’s display. Thanks to its robust, convenient housing and proven measuring technology, the vacuum probe is compact and reliable when carrying out your vacuum measurements on refrigeration and air conditioning systems and heat pumps.

Measuring range: 0 ~ 26.66 mbar / 0 ~ 20000 micron

Accuracy: ±10 micron + 10% of mv (100 ~ 1000 micron)

Resolution: 1 micron (0 ~1000 micron) / 10 micron (1000 ~ 2000 micron) / 100 micron (2000 ~ 5000 micron)

Overload: absolute: 6.0 bar / 87 psi (relative: 5.0 bar / 72 psi)

Dimensions: 150 x 32 x 31 mm (LxWxH)

Operating temperature: -10 ~ +50 °C

Protection class: IP54

System requirements: requires iOS 13.0 or newer; requires Android 8.0 or newer; requires mobile end device with Bluetooth 4.2

Product colour: black/orange

Auto-off: 10 min

Battery type: 3*AAA batteries

Connection: 7/16" UNF

Interface: Bluetooth 4.2

1 x Testo 552i Digital Wireless Vacuum Gauge