DP Transmitter Range Conversion | mmH2O to m³/hr Flow Calculation (DCS/PLC)
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In this video, we explain how to convert DP transmitter range from mmH2O to m³/hr flow for DCS and PLC applications. This is one of the most important calculations in instrumentation engineering, especially for flow measurement using orifice plates, venturi tubes, and flow elements.
You will learn the relationship between differential pressure and flow, why flow is proportional to the square root of DP, and how to correctly calculate LRV and URV for flow transmitters. The video also explains how these calculated values are used during DCS/PLC configuration, commissioning, and loop checking.
This video is very useful for Instrumentation Engineers, Automation Engineers, freshers, and students who want a clear understanding of DP transmitter flow calculation used in real industrial projects.
📌 Topics Covered:
• DP transmitter basics
• mmH2O to m³/hr conversion
• Square root extraction in flow measurement
• LRV & URV calculation
• DCS / PLC flow scaling
• Instrumentation basics for flow
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