- The Testo 550s digital manifold with a 2-way valve block is designed for fast and easy measurements on refrigeration systems, air conditioning systems, and heat pumps. It features a large graphic display that shows all measurement results at a glance and is built with a compact, rugged housing with an IP54 protection class, making it durable and reliable for on-site use. The device offers guided measurement menus and connects automatically via Bluetooth to wireless probes and the free Testo Smart App for seamless documentation and analysis.
- Large Graphic Display: All results and guided measurement menus are visible at a glance for easy evaluation.
- Bluetooth Connectivity: Allows for wireless connection to the testo Smart App and additional Bluetooth probes (e.g., for vacuum measurements), and automatic refrigerant list updates.
- Automated Calculations: The device automatically calculates important system parameters, such as target superheat, to prevent manual errors.
- Rugged Design: Features a durable housing with IP54 protection class, making it splash-proof and suitable for harsh working environments.
- A2L Refrigerant Compliant: Compatible with A2L and A3 refrigerants, among many others.
- Integrated Programs: Stored programs guide the user through various applications, including tightness testing with temperature compensation.Â
Attribute Specification Pressure Measuring Range -14 to 870 psi (-1 to 60 bar) Pressure Accuracy ±0.5 % Fs (at 71.6°F / 22°C) Pressure Resolution 0.1 psi (0.01 bar) Temperature Measuring Range -58 to 302°F (-50 to 150°C) (NTC) Operating Temperature -4 to 122°F (-20 to 50°C) Protection Class IP54 (water-resistant and dust-protected) Connectivity Bluetooth® 5.0 (range up to approx. 492 ft / 150 m) Power Source 4 x AA batteries Battery Life 250 hours (without illumination/Bluetooth); 100 hours (with illumination/Bluetooth) Dimensions 8.3 x 4.8 x 2.4 in (210.82 x 121.92 x 60.96 mm) (LxWxH) Weight 29.14 oz. / 826 g Refrigerants Over 90 common refrigerants stored in the instrument, with automatic updates via the app - Brand: Testo, Inc.