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What is it?
The Endress+Hauser Deltabar PMD75 is a compact, electronic differential pressure transmitter without moving parts, designed for highly accurate pressure, level, and flow measurements in demanding industrial environments. It measures the pressure difference between two process points and is widely used in applications such as pressurized tanks, filtration systems, and pipelines. Its robust sensor technology is resistant to temperature and pressure fluctuations, ensuring reliable readings even under harsh conditions. With its compact design and a wide range of process connections, the PMD75 is easy to integrate into various system configurations.

How does it work?
The Deltabar PMD75 uses a capacitive sensor with a metallic diaphragm to detect the pressure difference between two sides of a process. This differential pressure is then converted into a reliable electronic output signal. The transmitter supports digital communication via HART and includes built-in diagnostic features for enhanced process monitoring. Thanks to galvanic isolation and smart electronics, it is resistant to electrical disturbances and ensures consistent, long-term stable performance.

What problems does it solve?
In processes where small pressure differences can have a major impact on safety, product quality, or efficiency—such as in the chemical, oil & gas, or power industries—accurate and stable measurement is crucial. The Deltabar PMD75 helps avoid errors caused by conventional or unstable instrumentation. Its maintenance-friendly design improves operational efficiency and enhances process safety. Additionally, compliance with international safety standards (such as SIL) makes the PMD75 ideal for critical applications where measurement reliability is essential.