... and then transferred to A/D switch to transform digital signal which can be processed by microprocessor. After ... water and electricity, running water, petroleum, chemical, and machinery, for the measurement and demonstration of fluid medium's pressure.Features:*LCD ... : pressure mediumgas liquid compatible to stainless steelpressure ranges-1...0~0.1...1000 barpressure typegauge (G), absolute (A), sealed ...