Digital manifolds are probably the best solution to carry out exceptionally fast and easy measurements & servicing on these air conditioning systems and heat pumps. Wireless measurement, app-controlled calculation, and reporting would be very effective. Testo being the pioneer in HVAC measurement technology provides the testo 550i digital manifold which is the smallest manifold available on market with Bluetooth and a 2-way valve block for commissioning, servicing, and maintenance of refrigeration systems.
Learn more at: https://www.testo.com/en-IN/testo-550i-smart-kit/p/0564-3550