The ADT761 Automated Pressure Calibrator features a 7″LCD color screen with a resolution of 800×480 pixels. It is very easy to utilize because of its user friendly interface and an intuitive icon driven menu structure. It has a fully automated pressure calibration and it has task preset and an auto run and step. The pressure range is controlled by a built-in pump and manipulated automatically from 90% vacuum to 375 PSI or 25 bar. TThe pressure is also measured with external pressure modules such as ADT160 series that has 10,000 PSI or 700 bar. It supports HART instrumentation and it has rechargeable battery with up to 8 hours operation time. Lastly, it has pipeline protection to prevent possible blockage and leakage.