Refrigeration analyzer testo 557s

Smart digital manifold with Bluetooth and 4-way valve block.

The testo 557s digital manifold with Bluetooth and a 4-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 557s manifold a reliable partner for your commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps.

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Features

Temperature: -50 to +150 °C;
Accuracy: ±0.5 °C;
Resolution: 0.1 °C;
Probe connection: 2 x Plug-in (NTC);
Pressure measurement: -1 to 60 bar;
Accuracy: ±0.5 % fs;
Resolution: 0.01 bar;
Probe connection: 3 x 7/16" – UNF + 1 x 5/8'' – UNF;
Overload rel. (high pressure): 65 bar;
Weight: 1243 g;
Dimensions: 229 x 112.5 x 71 mm (LxWxH);
Operating temperature: -10 to +50 °C;
Protection class: IP54;
Battery type: 4x type AA batteries;
Battery life: 250 h with no illumination, no Bluetooth® (without illumination, without Bluetooth®, without vacuum probe); 100 h with illumination and Bluetooth®;
Radio range: 150 m;
System requirements: requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0;
Pressure media: CFC;
Refrigerants in instrument: R1234yf; R744 (CO₂); R437A; R503; R452A; R500; R114; R444B; R407H; R422B; R434A; R410A; R290; R449A; R401B; R407F; R13; R123; R718 (H₂O); R404A; R125; R416A; R421B; R422C; R448A; R22; R407A; R409A; R12; R454B; R414B; R442A; R1233zd; R420A; R424A; R458A; R427A; R450A; R124; R502; R1234ze; R600a; R23; R402B; R455A; R454A; R407C; R453a; R513A; R401A; R422D; R402A; R507; R454C; R408A; R421A; R134a; R32; R452B; R438A;
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.

Advantages

All results at a glance thanks to the large graphic display;
Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class;
Simple, wireless measurement of vacuum and temperature via automatic Bluetooth® connection;
Even greater flexibility for your measurements and documentation with the testo Smart App.

Industries

Automatic calculation of the target superheat (in conjunction with the appropriate measuring instrument, e.g. Testo Smart Probe);
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;
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);
Measure vacuum: graphic progression display of the measurement with indication of the start and differential value;
Tightness test: recording and analysis of the pressure curve.

F.Fonseca is distributor of Testo in Portugal.