Patent ID: 9448140
Filing Date: 2016-09-20
CPC Classification: F25B,G01D,G01K,G01L,G01M,G08B,H01L,H02M,H05K

Claim Text:
1. A service device for air-conditioning systems, comprising: an electronically controllable display; a display controller connected to the electronically controllable display and configured to control the electronically controllable display; a housing; a high-pressure port comprising an associated valve; a low-pressure port comprising an associated valve; a service port; a pressure sensor port on a low-pressure side; a pressure sensor port on a high-pressure side; an electronic evaluation unit; and a port by which the evaluation unit is connectable to external temperature probes, a port for an external vacuum sensor, or both, wherein the electronic evaluation unit is provided with and fed by an energy storing device, connected to keys, configured to be connected to internal pressure sensors that are tightly connected to the pressure-sensor ports, and comprises a data memory, and the display controller further configured to cause the electronically controllable display to: displayed vapor pressure temperatures are calculated in accordance with a selected refrigerant and a measured pressure.