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Testo 549i High-pressure Gauge

Testo Approved distributor and service company.

Includes: Smart probe Testo 549i, batteries and calibration protocol.

0560 1549
£47.70 Save 10%
Tax excluded
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The handy high-pressure gauge Testo 549i, in combination with a smartphone or tablet, is suitable for service and error detection on air conditioning and refrigeration systems, as well as for their installation. The measuring instrument can be quickly and easily attached directly to the pressure connection.

When working at pressure connections which are far apart, the Testo 549i makes the application considerably easier – thanks to a wireless connection to a smartphone or tablet. Also useful: since no hoses are needed for the measurements, very little or no refrigerant is lost.

The App turns your smartphone/tablet into the display of the testo 549i. The operation of the measuring instrument as well as the display of the measurement values take place by Bluetooth via the Testo Smart Probes App.


Compact professional measuring instrument from the Testo Smart Probes series, for use with smartphones/tablets.
Measurement of high and low pressure.
Fast and easy installation at a pressure connection.
Low refrigerant loss thanks to hoseless application.
Measurement data analysed and sent via testo Smart Probes App.
Small, compact, and easy to transport.

About The Testo Smart Probes App

The App turns your smartphone/tablet into the display of up to 6 Testo Smart Probes at the same time. The operation of the measuring instruments as well as the display of the measurement values take place by Bluetooth via the Testo Smart Probes App on your smartphone or tablet – independently of the measurement location. In addition to this, you can use the App to create measurement reports, add photos and comments to these, and send them by e-mail. The Testo Smart Probes App is completely free and is available for iOS from the App Store and Android via Google Play.

Testo 549i Smart Probe Specifications
Sensor type PRESSURE
Measuring range -1 to 60 bar.
Accuracy ±1 digit 0.5 % of final value.
Resolution 0.01 bar.
Connection 7/16" – UNF.
Overload rel. 65 bar.
General Technical Data
Compatability Requires iOS 8.3 or newer / Android 4.3 or newer.
Requires mobile end device with Bluetooth 4.0.
Storage temperature -20 to +60 °C.
Operating temperature -20 to +50 °C.
Battery type 3 micro batteries AAA.
Battery life 150 hrs.
Measurable media CFC, HFC, HCFC, N, H2O, CO2.
Dimensions 125 x 32 x 31 mm.
549i Warranty 2 years.


Testo 549i Datasheet

PDF Specifications of the Testo 549i High Pressure Gauge Smart Probe.

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Testo 549i High-pressure Gauge
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