testo 552i - Sonde de vide sans fil, commandée par App

Testo · testo 552i

testo 552i - App-controlled wireless vacuum probe

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.

Category: Measuring instruments · Vacuum gauges

Specifications by model

Absolute pressureValue
Measuring span0 to 20000 micron · 0 to 26.66 mbar /
Accuracy±10 micron + 10 % of mv (100 to 1000 micron)
Resolution100 micron (2000 to 5000 micron) / · 1 micron (0 to 1000 micron) / · 10 micron (1000 to 2000 micron) /
Overloadabsolute: 6.0 bar / 87 psi · (relative: 5.0 bar / 72 psi)
General technical dataValue
Weight142 g
Dimensions150 x 32 x 31 mm (LxWxH)
Operating temperature-10 to +50 °C
Ingress protection ratingIP 54
System requirementsrequires iOS 13.0 or newer; requires Android 8.0 or newer; requires mobile end device with Bluetooth 4.2
Product colourblack/orange
Auto-off10 min*
Battery type3 AAA micro batteries
Battery life39 h
Connection1 x (7/16" – UNF / ¼” SAE)
InterfacesBluetooth® 4.2
Storage temperature-20 to +50 °C
Note* when not connected via Bluetooth

Full description

Wireless vacuum measurements via just one service port: The testo 552i app-controlled vacuum probe with Bluetooth enhances the Testo Smart Probes portfolio. It delivers reliable measurement results, is robust and easy to use – the vacuum probe provides optimum support for proper evacuation of refrigeration and air conditioning systems and heat pumps. testo 552i - App-controlled wireless vacuum probe • For wireless, hose-free vacuum measurements on refrigeration and air conditioning systems and heat pumps using just only one service port – with no loss of refrigerant • testo Smart App – get an overview of everything: Detect vacuum quickly and easily via a graphic illustration in the app, with an alert in the event of any critical values, e.g. through vibration of the smartphone • Automatic connection via Bluetooth: The probe connects to the testo Smart App or to the appropriate digital manifold from Testo, e.g. testo 557s, testo 550s – so you can also read measured values conveniently on your manifold’s large display • Convenient, robust housing with protection class IP 54 • Built-in 45° angle for easy installation at any service port • Continuously high performance in all conditions: You can depend on this wireless vacuum probe from Testo – it combines proven Testo quality with excellent robustness Key benefits: • Identify vacuum quickly and easily by means of the graphical display in the App or on the digital manifold screen • Connects automatically via Bluetooth® to the testo Smart App and digital manifolds • Exceptionally compact and reliable thanks to the robust, easy-to-handle housing with IP 54 protection class • Easy installation at any service port thanks to the integrated 45° angle The testo Smart Probes App turns your mobile device into a remote control and measurement data centre. Install our testo Smart Probes App on your smartphone/tablet and take advantage of these practical features: • Wireless control and monitoring of the Smart Probes via smartphone/ tablet • Record and send measurement trends via App as an Excel file (csv.) • Create and send .pdf reports, including pictures of the measuring location • Display readings from up to 6 Smart Probes simultaneously • Range of approx. 15 m in free field (depending on the mobile device used) • Diagram display can be dynamically zoomed in or out Application-specific measurement menus provide optimum support for your measurement: • Refrigeration: Automatic calculation of system parameters, such as superheating or subcooling • Air flow measurements in ducts/at outlets: Simple parameterization and implementation of multi-point and timed measurements • IR temperature and mould indication: Non-contact temperature measurement with quick image documentation, including measurement spot marking and detection of areas susceptible to mould Wireless measurement of the vacuum. Scope of delivery: App-controlled testo 552i wireless vacuum probe, including batteries and test protocol.

Compatible accessories (4)

Compatible with (5)

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