Testo 557 Digital Manifold Kit with Bluetooth, Vacuum

Description Testo 557 Digital Manifold Kit with Bluetooth, Vacuum The Testo 557 Digital Manifold Kit includes all the features and accessories needed to analyze, charge, and evacuate air conditioning and refrigeration systems with speed and accuracy. High side and low side pressure are monitored in real time, allowing for instant saturation and evaporation temperature calculations. Included pipe clamp probes plug into the sides of the 557 and allow for real time superheat and subcooling calculations. The Testo 557 automates the slow process of multiple measurements and manual calculations. Service techs report saving an average of 15 minutes per call, with less errors and fewer call backs. The aluminum 4-valve block on the Testo 557 refrigeration system analyzer includes both 1/4 in. and 3/8 in. ports, allowing a wide variety of configurations. With the included vacuum probe, systems can be reliably evacuated and monitored without the need for an additional micron gauge. The 557 comes