Efficient: The testo 549 erases the need for analogue manifolds, offering data storage for up to 60 refrigerant profiles ... the digital gauge provides accurate real-time superheating and ...
Natural refrigerants like ammonia (NH3), carbon dioxide (CO2), and hydrocarbons such as propane (C3H8) and isobutane (C3H8) are being hailed as the future of refrigeration and air conditioning systems ...