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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, robust housing with IP 54 protection class
  3. A3 and A2L compatible and over 90 stored refrigerants
  4. Even greater flexibility for your measurements and documentation with the testo Smart App
  5. The testo 550s digital manifold with Bluetooth and a 2-way valve block features a large graphic display, a compact, robust housing, guided measurement menus and the testo Smart App. Top-quality measurement technology, a high degree of reliability and smart functions for quick, easy measurements and documentation make the testo 550s manifold a reliable partner for your commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps.
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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
    -50 to +150 °C
    Accuracy
    ±0,5 °C
    Resolution
    0,1 °C
    Probe connection
    2 x plug-in (NTC)

    Pressure measurement

    Measuring range
    -1 to 60 bar
    Accuracy
    ±0,5 % fs
    Resolution
    0,01 bar
    Probe connection
    3 x 7/16" – UNF
    Overload rel. (high pressure)
    65 bar

    General technical data

    Weight
    826 g
    Dimensions
    210 x 121 x 60 mm (LxWxH)
    Operating temperature
    -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 type AA batteries
    Data transfer
    Bluetooth®
    Radio range
    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; R411A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22
    Refrigerant
    A2L / A3 compatibel
    Storage temperature
    -20 to +60 °C
    * when not connected via Bluetooth

    Humidity probes

  6. Humidity probes
    testo 605i
    testo 605i - thermohygrometer operated via smartphone
      :
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    • Temperature probes

    • Temperature probes
      testo 115i
      testo 115i - Clamp thermometer operated via smartphone
        :
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        1
      • Temperature probes
        Efficient, robust NTC air probe
        Robust air temperature probe (NTC) – measuring range: -50 to +125 °C
          :
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        • Temperature probes
          Clamp temperature probe kit (fixed cable, NTC)
          Clamp temperature probe kit (fixed cable, NTC) - for measurements on pipes (Ø 6-35 mm)
            :
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          • Temperature probes
            Clamp probe (NTC) for temperature measurements on pipes (Ø 6-35 mm) with 5 m cable length – measuring range: -40 to +125 °C
              :
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            • Temperature probes
              Pipe wrap probe with Velcro
              Temperature probe with Velcro (NTC) - Measuring range: -50 to +70°C
                :
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              • Temperature probes
                pipe-clamp-probe
                Pipe wrap probe (NTC) - Measuring range: -50 to +120°C
                  :
                  0613 5605
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                • Temperature probes
                  Waterproof NTC surface probe for flat surfaces
                  Waterproof surface temperature probe (NTC) for flat surfaces - measuring range: -50 to +150 °C
                    :
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                  • Temperature probes
                    testo 915i
                    testo 915i with flexible temperature probe (TC type K) and smartphone operation
                      :
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                      1
                    • Accessories

                      Additional accessories

                    • Additional accessories
                      Transport case – for digital manifolds
                        :
                        0516 1012
                      • Refrigeration systems, air conditioning systems, heat pumps

                        • 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