Yokogawa is a world leader in industrial automation and control, test and measurement, information systems, and industry support. Yokogawa’s technology expertise and unyielding focus on the customer have made them a trusted partner worldwide.

Yokogawa has more than 45 years experience in the development, design, and manufacture of pressure sensors and pressure transmitters. The DPharp series of digital pressure transmitters use a differential pressure high accuracy resonance (DPharp) sensor that represents one of the most revolutionary advances in transmitter technology.

Pressure Historical Time Line

Liquid Level

Accurate level readings are essential to the safe, reliable, profitable operation of your plant. Liquid Level transmitters measure differential pressure to infer the level in a vessel.

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Differential Pressure

Differential Pressure (DP) is defined as the difference between two pressures. Differential Pressure Transmitters use a reference point called the low-side pressure and compare it to the high-side pressure. Ports in the instrument are marked high-side and low-side.

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Gauge Pressure

Gauge Pressure transmitters compare a pressure relative to atmospheric measure.

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Draft Pressure

Draft Pressure transmitters are a unique type of differential transmitter that is designed to measure small differences in very low static pressure environments.

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