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Process, Instrumentation & Environment

Refrigeration analyzer testo 550s

Smart digital manifold with Bluetooth and 2-way valve block.
The testo 550s digital manifold with Bluetooth and a 2-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 550s manifold a reliable partner for your commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps.
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  • 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;
  • Overload rel. (high pressure): 65 bar;
  • Weight: 826 g;
  • Dimensions: 210 x 121 x 60 mm (LxWxH);
  • Operating temperature: -10 to +50 °C;
  • Protection class: IP54;
  • System requirements: iOS 11.0 or newer; Android 6.0 or newer; requires mobile end device with Bluetooth 4.0;
  • Battery type: 4x type AA batteries;
  • Battery life: 250 h with no illumination, no Bluetooth®; 100 h with illumination and Bluetooth®;
  • Data transfer via Bluetooth®;
  • Radio range: 150 m;
  • Refrigerants in instrument: R407H; R23; R290; R1234yf; R442A; R134a; R123; R452B; R438A; R421A; R453a; R401B; R1233zd; R410A; R407A; R407C; R452A; R401A; R422C; R427A; R422B; R424A; R125; R414B; R404A; R408A; R448A; R422D; R12; R114; R421B; R449A; R409A; R420A; R444B; R32; R454A; R124; R402A; R450A; R407F; R416A; R13; R437A; R1234ze; R454B; R402B; R22; R434A; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂);
  • 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.
  • 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.
  • 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.
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