Top 8 Best Digital Manifolds

✔Protective Rubber Boot and easy access double zipper padded case with storage pockets
✔Superheat and Subcool Automatically calculated in real time by the SmarTech App
✔5 Ft. Hoes Set Included: 5 ft. red EZ Turn hose, a 5 ft. blue EZ Turn hose with a EZ Access "T" Fitting built in for micron gauge connection, a 5ft. 3/8" hose for 3x faster evacuation of the system

✔Smart App: Conveniently follow all measurements via Bluetooth from a smartphone or tablet. Send results directly from the job site for a more convenient documentation
✔Multiple functions: The digital manifold features the display of temperature difference, temperature compensated leakage tests and calculation of superheating and subcooling
✔Efficient: The testo 550 with its sturdy housing and 2-way valve block was particularly created for harsh environments and offers data storage for up to 60 refrigerants

✔Wide application: This digital hvac gauges electronic refrigerant group instrument, measuring temperature and pressure in real-time, is an auxiliary instrument for the installation, testing and maintenance of refrigeration equipment such as air conditioners,fridge and cold storage. 24/7 US Technician Support via Email and Phone.
✔Automatic Calculation: Superheat/sub cool calculations, recording, reporting, analysising data and more with Elitech Pressure Gauge App and connected by wireless technology,up to 1187' in ideal conditions (no obstructions).
✔Free App by Bluetooth (ioS and Android): Settable high/low pressure alarm, you can receive remote notifications when readings move beyond predetermined value. The data could be saved and exported in Excel and PDF format.

✔Refrigeration App: Follow all measurements remotely via Bluetooth from a smartphone or tablet. Send results directly from the job site for a more convenient documentation
✔Convenient: Thanks to the 4-way valve and automatic heat pump mode, there is no need to switch over to different refrigerant hoses, which enables a quick and easy application
✔Efficient: The testo 557 is ideal for servicing air conditioners, refrigeration systems and heat pumps and replaces the multitude of tools needed by HVAC/R contractors and technicians

✔Toughest, most advanced digital refrigerant manifold on the market
✔Replacement for SMAN400 series
✔SMAN Manifold Micron Gauge (4 Port)

✔Versatile: In conjunction with an optional temperature probe, the digital gauge provides accurate real-time superheating and subcooling readings
✔Easy operation: Equipped with a large 2-line backlit display, 2-way valve block with three connections and a suspension hook, the HVAC/R instrument enables a convenient application
✔Efficient: The testo 549 erases the need for analogue manifolds, offering data storage for up to 60 refrigerant profiles, precise measurements and automatic calculations