Category : Instrumentation Design

Instrumentation Design

Safety Instrumented System Module Failure

S Bharadwaj Reddy
The international standard IEC/EN 61508 has been widely accepted as the basis for the specification, design and operation of safety instrumented systems (SIS). As the basic standard, IEC/EN 61508 uses...

How to Select an Actuator for Valve

S Bharadwaj Reddy
As the process industry continues to achieve more efficient and productive plant design, plant engineers and technicians are faced, almost daily, with new equipment designs and applications. One product, a...

How to Select a Pressure Gauge

S Bharadwaj Reddy
Seven Steps to Select a Pressure Gauge 1. ACCURACY For a mechanical pressure gauge, accuracy is defined as a percentage of the full-scale range. While requirements differ from one industry...

Thermowell Design Guidelines

S Bharadwaj Reddy
When fluid flows past a thermowell inserted into a pipe or duct, vorticies form at both sides of the well. These vorticies detach, first from one side, and then from the other. This...

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