• Store Locator
  • Schedule a
    Demo
  • Add products to your Toolbox to save it for requesting a quote while you keep browsing for other products to complete your list.

    My
    Toolbox
  • TESTO 557 DIGITAL MANIFOLD KIT – WITH BLUETOOTH AND SET OF 4 FILLING TUBES

    # 557

    • Extensive accessories included: set of 4 filling tubes, 2 x clamp temperature probes, precise external Pirani gauge for vacuum measurement and transport case
    • Calculation of superheating and subcooling in real time for 60 refrigerants: no error-prone manual calculation
    • Connection to smartphone/tablet App: remote monitoring, clever measurement documentation and refrigerant updates
    • Extensive accessories included: set of 4 filling tubes, 2 x clamp temperature probes, precise external Pirani gauge for vacuum measurement and transport case
    • Calculation of superheating and subcooling in real time for 60 refrigerants: no error-prone manual calculation
    • Connection to smartphone/tablet App: remote monitoring, clever measurement documentation and refrigerant updates
    • Temperature-compensated leakage test, automatic ambient pressure measurement
    Temperature
    Measuring range-50 to +150 °C
    Accuracy±0.5 °C
    Resolution0.1 °C
    Probe connection2 x Plug-in (NTC)
    Pressure measurement
    Measuring range-1 to 60 bar
    Accuracy±0.5 % of fsv
    Resolution0.01 bar
    Probe connection3 x 7/16″ – UNF + 1 x 5/8” – UNF
    Overload rel. (high pressure)65 bar
    Vacuum measurement
    Measuring range0 to 20000 micron
    Accuracy± (10 micron + 10 % of mv) (100 to 1000 micron)
    Resolution1 micron (0 to 1000 micron)

    10 micron (1000 to 2000 micron)

    100 micron (2000 to 5000 micron)

    500 micron (5000 to 10000 micron)

    5000 micron (10000 to 20000 )

    General technical data
    Weight3942 g
    Dimensions220 x 125 x 70 mm
    Operating temperature-20 to +50 °C
    Protection classIP42
    Product colourBlack
    Battery life250 h (without illumination, without Bluetooth®, without vacuum probe)
    Pressure mediaCFC
    Refrigerants in instrumentR114; 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; R438A; R437A; R442A; R444B; R448A; R450A; R449A; R453a; R452A; R454A; R454B; R455A; R454C; R458A; R502; R500; R503; R507; R718 (H₂O); R600a; R513A; R744 (CO₂)
    System requirementsrequires iOS 7.1 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
    Refrigerants update via AppR11; FX80; I12A; R1270; R13B1; R14; R142B; R152A; R161; R170; R245fa; R227; R236fa; R401C; R406A; R407B; R407B; R407D; R41; R412A; R413A; R417A; R417B; R417C; R422A; R508B; R426A; R508A; R600; RIS89; SP22
    Storage temperature-20 to +60 °C
    Dimension display220 x 125 x 70 mm
    • testo 557 digital 4-way manifold, including set of 4 filling tubes, batteries (4 x AA)
    • 2 x clamp temperature probes (0613 5506)
    • Precise external Pirani gauge for vacuum measurement
    • Transport case (0516 0012)

    Provide us your contact detailsone of our product experts will contact you to discuss your needs or schedule a demonstration at a time that suits

    Product selected: Model #







      *Demonstrations can only be scheduled within the UAE

      Sign up to stay in the know-how of our latest products, updates, special offers, and more.

      • Subscription Form