Testo 557 Digital Manifold Gauge 4-way Clamp Temperature Probes,Case with Hoses
Manifold Gauge 557 kit With Hoses Package List:
1 x 557 Digital Manifold with Bluetooth/App
2 x NTC Temperature Clamp Probes
1 x External Vacuum Probe
1 x Suitcase
1 x Certificate of Conformity
1 x Users Manual
1 x 1/4" SAE Female charging hoses RedThese hoses without Shutoff valve.
1 x 1/4" SAE Female charging hose BlueThese hoses without Shutoff valve.
1 x 1/4" SAE Female charging hose YellowThese hoses without Shutoff valve.
Product Description
Are you primarily entrusted with the commissioning or maintenance of air conditioning and refrigeration systems, along with heat pumps? If so, the testo 557 is the ideal digital manifold for you: like the testo 550, this digital manifold replaces multiple tools in the air conditioning and refrigeration industry and can be connected to a practical App. As well as the features of the testo 550 manifold, the testo 557 offers a high-precision external Pirani gauge for vacuum measurement: this enables the quick, safe evacuation of refrigeration systems and heat pumps.
State-of-the-art technology, really easy work: the digital manifold kit in detail
The testo 557 4-way manifold was developed to lighten your workload, to organize your working time more efficiently and to deliver more accurate measurement results – as well as to offer your customers services that are even more reliable. See all the advantages at a glance:
Quick, precise measurement of high and low pressure: two temperature-compensated pressure sensors make this possible and automatically calculate the theoretical evaporation and condensation temperature
Simultaneous calculation of superheating and subcooling possible: do away with manual calculations, which are time-consuming and where errors often creep in
Including 4 filling tubes, each 1.5 m long: 3 tubes (blue, red, yellow) with 7/16‘‘ UNF (straight and 45° angle), 55/275 bar, 1 tube (yellow) with 5/8‘‘ UNF, 40/205 bar (straight and 45° angle), suitable for all refrigerants
Precise external Pirani gauge for vacuum measurement: you get a high-precision Pirani gauge with the digital manifold, enabling you to carry out accurate vacuum measurement and making it easier to evacuate refrigeration systems and heat pumps
Two clamp temperature probes included in the scope of delivery: clamp them to the pipes to reliably measure the surface temperature
No need to switch over refrigerant hoses: switching is superfluous thanks to automatic heat pump mode
Can be used for 60 current refrigerants: 60 refrigerants are stored in the manifold, which you can update if necessary via the smartphone/tablet App and adapt to suit your requirements
Other key functions of the 4-way manifold are temperature-compensated leakage testing and automatic ambient pressure compensation.
Manifold with practical App: connect the measuring instrument to your smartphone/tablet!
You can download the appropriate App for the testo 557 digital manifold onto your smartphone or tablet. The App will make your work easier thanks to its wide range of smart functions:
Remote monitoring of the measurement: you don't need to stay right next to the manifold during the measurement, instead you can monitor the measurement from a distance via your smartphone/tablet; coverage of up to 20 m with no obstructions (at least)
Measurement data display on your smartphone/tablet: your smartphone/tablet displays the readings for you while the measurement is ongoing – really helpful when you are making system settings at the same time
Practical documentation functions: save your measurement results (in pdf or csv format) and send them directly by e-mail if required. Where applicable, the photos that you took at the measuring location can be appropriately inserted into the documentation using the App
Refrigerant update: to ensure that the refrigerants in your digital manifold always remain up to date, you can use the App to carry out a refrigerant update
The App can be used with both Android and iOS systems. After installing the App, manifold and smartphone/tablet can be connected to each other via Bluetooth.
Innovative technology robustly packaged
A sturdy housing reliably protects the testo 557 digital manifold from impacts (according to protection class IP 42). Thanks to the suspension hook on the back, the instrument is well-secured during the measuring process. The illuminated display ensures optimum legibility of the readings, even if visibility is poor.
Temperature
Measuring range
-50 t1 +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 t1 125 t2 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
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.

Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
