1. This product was added to our catalog on Thursday 30 June, 2016.

    Testo 557 - Digital Refrigeration Manifold (bluetooth)
    [0563 1558]

    Price:  £429.00

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  2. Testo 557 - Digital Refrigeration Manifold (bluetooth)

    With Bluetooth capability users can now connect to our Brand New Testo Refrigeration App. Includes Testo 557 digital manifold, case, 2 x clamp probe, external vacuum probe, batteries and calibration protocol. Non sight glass.

    Brand New Refrigeration App and Bluetooth capabilities

    With the option of Bluetooth capability users can now connect to our Brand New Testo Refrigeration App, which is exclusively available to Testo customers. This gives users new possibilities for working faster, more comfortably, and therefore more efficiently.

    Using the App, measurement data can be read directly on a Smartphone or tablet, and measurement reports can be finalised and sent directly on site. The list of stored refrigerants can also be easily updated via the App.

    cal checkThe New 557 is better value than the previous model with even more capabilities


    With Testo digital manifolds, many of the refrigeration contractor's tools become obsolete, and are replaced by only one – and a very precise one at that. There is also an option to select your most important refrigerants as favourites, for even faster access.


    In addition to the strengths of the New 550, the testo 557 digital manifold will offer a 4-way valve block for fast, safe and efficient work in commissioning, service and maintenance. A further special feature is the new highly precise external probe for the testo 557, for even more reliable performance.


    A new, better-performance generation

    These days, many spheres of life would be unthinkable without digital technology. Most of us wouldn’t be without our Android or IPhone, and the days of the Nokia 3310 for example seem a distant memory. The refrigeration industry is no exception to this logic, yet analogue manifolds are still widely used.

    Admittedly many refrigeration engineers started with analogue gauges and therefore don’t know anything different, but isn’t it time for an upgrade? We all grew accustomed to our 3310 but at some stage we had to accept it became outdated. Digital manifolds are the future of refrigeration engineering.


    Features & Advantages of the testo 557

    • 4-way valve block

    • New Bluetooth connectivity and App makes it easier than ever to manage your jobs

    • Even more precise external probe for even more reliable performance

    • Improved robust design and extremely convenient operation

    • Measurement of low and high pressure as well as calculation of temperatures

    • Simultaneous calculation Of superheating and subcooling in real time

    • 60 refrigerants already stored in instrument





    Technical Specifications
    Operating temperature -10°C to 50°C
    Storage temperature
    Battery life 250 h (without illumination, without Bluetooth®, without vacuum probe)
    Battery type2 lithium batteries (CR2032)
    Dimensions220 x 125 x 70 mm
    Protection classIP42
    Weight1200 g
    Resolution0,1 °C


    Pressure
    Measuring range -1 to 60 bar
    Overload 65 bar
    Accuracy (at 22 °C) ±0.5 % fs
    Resolution 0.01 bar
    Connections 3 x 7/16“ – UNF + 1 x 5/8‘‘ – UNF


    Vacuum
    Measuring range 0-20000 micron
    Accuracy (at 22 °C) ± 0.5 °C
    Resolution 1 micron (0 to 1000 micron)
    10 micron (1000-2000 microns)
    100 micron (2000 to 5000 micron)
    500 micron (5,000 to 10,000 micron)
    5000 micron (10,000 to 20,000 micron)
    Accuracy ± (10 micron + 10% v. Mw.) (100 to 1000 microns)
    Probe connections 1 x plug-in (external vacuum probe)


    Refrigerants in instrument (60 profiles):

    R11, R12, R123,
    R1234yf, R1234ze, R125,
    R13B1, R134a, R14, R142B,
    R152a, R161, R22, R227,
    R23, R290, R32, R401A,
    R401B, R401C, R402A,
    R402B, R404A, R406A,
    R407A, R407B, R407C,
    R407D, R407F, R408A,
    R409A, R410A, R411A,
    R412A, R413A, R414B,
    R416A, R417A, R420A,
    R421A, R421B, R422A,
    R422B, R422C, R422D,
    R424A, R426A, R427A,
    R434A, R437A, R438A,
    R502, R503, R507, R508A,
    R508B, R600, R600a, R744
    (CO2), R718 (H2O), update
    via App
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