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    testo 550s - Smart digital manifold with Bluetooth and 2-way valve block

    0564 5500
  1. All results at a glance thanks to the large graphic display
  2. Exceptionally compact and reliable thanks to the easy-to-handle, rugged housing with IP 54 protection class
  3. Simple, wireless measurement of vacuum and temperature via automatic Bluetooth® connection
  4. Even greater flexibility for your measurements and documentation with the testo Smart App
    5. Are you interested in this measuring instrument?
    Testo has put together practical kits for you – so you’ll be optimally equipped to tackle your measuring tasks right away >> To the products
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      All results at a glance thanks to the large graphic display.

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    Easier, more flexible measurements and documentation: With the testo 550s digital manifold with Bluetooth and 2-way valve block, you‘ll be ideally equipped for your measuring tasks in the field of commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps.
     
     

    testo 550s – Smart digital manifold with Bluetooth and 2-way valve block

    • For exceptionally fast measurements on refrigeration and air conditioning systems and heat pumps
    • Large graphic display for easy evaluation of measurement results
    • Stored programs guide you through the measurement and make it possible to automatically determine key system parameters such as superheating, pressure drop test or evacuation
    • Straightforward to handle, with maximum flexibility for your application: Bluetooth probes for temperature, pressure and humidity connect to the manifold automatically
    • testo Smart App: Create digital documentation straight away on site, set your own favourites, always have the latest refrigerants thanks to automatic updates
    • Continuously high performance in all conditions: You can depend on this manifold from Testo – it combines proven Testo quality with excellent robustness

    Are you interested in this measuring instrument? Testo has put together practical kits for you – so you’ll be optimally equipped to tackle your measuring tasks right away.

    Temperature

    Measuring range
    -58° to 302 °F / -50 to +150 °C
    Accuracy
    ±0.9 °F / ±0.5 °C
    Resolution
    0.1 °F / 0.1 °C
    Probe connection
    2 x plug-in (NTC)

    Pressure measurement

    Measuring range
    -15 to 870 psi / -1 to 60 bar
    Accuracy
    ±0.5 % Fs
    Resolution
    0.14 psi / 0.01 bar
    Probe connection
    3 x 7/16" – UNF
    Overload rel. (high pressure)
    943 psi / 65 bar

    General technical data

    Weight
    29.14 oz. / 826 g
    Dimensions
    8.27 x 4.76 x 2.36 in. / 210 x 121 x 60 mm (LxWxH)
    Operating temperature
    -4° to 122 °F / -20 to +50 °C
    Protection class
    IP54
    System requirements
    requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0
    Product colour
    Black
    Auto-off
    10 min*
    Battery life
    250 h with no illumination, no Bluetooth<sup>&reg;</sup>; 100 h with illumination and Bluetooth<sup>&reg;</sup>
    Battery type
    4 x AA batteries
    Data transfer
    Bluetooth®
    Radio range
    492.12 ft. / 150 m
    Refrigerants in instrument
    R114; R12; R123; R1233zd; R1234yf; R1234ze; R124; R125; R13; R134a; R22; R23; R290; R32; R401A; R401B; R402A; R402B; R404A; R407A; R407C; R407F; R407H; R408A; R409A; R410A; R414B; R416A; R420A; R421A; R421B; R422B; R422C; R422D; R424A; R427A; R434A; R437A; R438A; R442A; R444B; R448A; R449A; R450A; R452A; R452B; R453a; R454A; R454B; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂)
    Refrigerants update via App
    R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A; R407B; R407D; R41; Ra11A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22
    Refrigerant
    A2L / A3 compatibel
    Storage temperature
    -4° to 140 °F / -20 to +60 °C
    * when not connected via Bluetooth

    Refrigeration systems, air conditioning systems, heat pumps, ductless, single zone, multi zone, mini split systems

    • Determination of high and low pressure, automatic determination of condensation and evaporation temperature and calculation of superheating/subcooling. All results can be read simultaneously on one screen
    • Tightness test: Recording and analysis of the pressure curve
    • Automatic calculation of the target superheat (in conjunction with the appropriate measuring instrument, e.g. Testo Smart Probe)
    • Measure vacuum: Graphic progression display of the measurement with indication of the start and differential value
    • Evacuation: Graphic progression display of the measurement with indication of the start and differential value (in conjunction with the appropriate Testo Smart Probe, e.g. testo 552i vacuum probe)
    testo 550s