• 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
    TESTO
    • TESTO
    • 557

    Quantity:

    - +
      ADD TO MY TOOLBOX
    Where to buy this product?
    • 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
    Resolution 0.1 °C
    Probe connection 2 x Plug-in (NTC)
    Pressure measurement
    Measuring range -1 to 60 bar
    Accuracy ±0.5 % of fsv
    Resolution 0.01 bar
    Probe connection 3 x 7/16″ – UNF + 1 x 5/8” – UNF
    Overload rel. (high pressure) 65 bar
    Vacuum measurement
    Measuring range 0 to 20000 micron
    Accuracy ± (10 micron + 10 % of mv) (100 to 1000 micron)
    Resolution 1 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
    Weight 3942 g
    Dimensions 220 x 125 x 70 mm
    Operating temperature -20 to +50 °C
    Protection class IP42
    Product colour Black
    Battery life 250 h (without illumination, without Bluetooth®, without vacuum probe)
    Pressure media CFC
    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; 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 requirements requires iOS 7.1 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
    Refrigerants update via App R11; 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 display 220 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