Testo 550 HVAC Digital Manifold with Bluetooth
The Testo 550 digital manifold is an easy to use 2-valve, three ports, digital manifold with Bluetooth that measures high and low side pressure and temperature, displays saturation and evaporation, and automatically calculates superheat and sub-cooling for 60 different refrigerants. In addition, the Testo 550 digital HVAC gauges have Bluetooth / app integration saving the HVAC technician time by being able to monitor a system up to 65 feet away on his mobile device, as well as easily generating a report or invoice and directly sending it to the customer via email. The Testo 550 manifold is ideal for technicians who want increased productivity, efficiency, and accuracy while installing or repairing air conditioning systems, heat pumps or refrigeration units.
Key Features:
- Measures high and low side pressure and temperatures / displays saturation and evaporation temperatures
- Bluetooth integrated for monitoring, writing reports as well as sending reports and invoices via email
- Automatic calculation of superheat and sub-cooling calculations
- Pre-programmed with 60 refrigeration
The Testo Digital Manifolds 550 and 557 are now working LIVE with measureQuick,
so you can collect data and run performance tests faster and more
efficiently than ever. Now you can do it all from your smartphone!
VIDEO - Why use measureQuick?
The 550 DRSA enables users to perform a range of measurements including pressure, vacuum (indication) and temperature with this one instrument. Multiple tests can be performed and calculated in a short space of time. Technicians can perform leak tests, monitor refrigerant flow through the sight glass as well as view the superheating and sub-cooling temperatures in real time. The Testo keypad allows the technician to switch between different measurements easily and effectively to evaluate the performance and efficiency of the system.
Testo is known for quality and accuracy when it comes to HVAC/R products and the 550 HVAC digital manifold is no exception. Included in this kit, are two NTC temperature clamps used to measure superheat and sub-cooling. By connecting the two clamps to pipes, the Testo 0563 1550 will simultaneously record the surface temperature and calculate the superheat and sub-cooling saving the technician precious time when evaluating a system.
The manifold’s gauges use lower range pressure transducers with ceramic sensors that are more accurate in the working range and better able to handle over pressurization. The pressure measurement range is -15 to 870 psi with an accuracy of +/-0.5% psi and the temperature measuring range is -58 to 302 °F with an accuracy of +/- 0.9 °F.
The Bluetooth integration allows users to connect to the Testo Refrigeration App (Android App) or (iOS APP) on their smartphone to remotely view and analyze measurements, track changes, update refrigerants, include a photo of the measuring location in a report as well as create a report to send directly to a customer via email. ** PLEASE NOTE: The Testo Refrigeration App currently runs on iOS7 (or later), and Android 4.3 or 4.4 ONLY **
The AC digital manifold has a large, easy to read, 2-line backlit LCD screen and an intuitive operation that allows the technician to quickly evaluate a system without changing connections or doing lengthy calculations. The Testo gauges 550 even have a three hose holder for easy attachment of the refrigerant hoses to the valve block.
The manifold’s housing has been improved to include a metal frame around the display and increased protection for the temperature probe sockets against job hazards such as water, dust or even dropping to secure a protection rating of IP42. The Testo 550 manifold kit comes in a hard carrying case with two temperature probes, but NO hoses. However, the case is spacious enough to store hoses if desired.
Testo 550 includes:
- 550 digital manifold with Bluetooth
- Two temperature clamps
- Batteries
- Hard carrying case
- Certificate of conformity
- User manual
Available Testo 550 Digital Manifold Kit with Bluetooth and Hoses.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
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Replaced by Testo 557s
