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Comment PDF Automation & Control

New Measurement Practices for Cold Climates

By Mark Menezes Emerson Mark Menezes |

Instrumentation best practices that are taught in colleges and published in standards are intended to be broadly applicable, guiding users in every industry and geography. However, for outdoor applications in cold climates, where the temperature can fall below –40°C, the optimum installation may be very different from those recommended via best practices, to ensure reasonable performance, reliability and lifecycle cost. New best practices for making measurements in cold climates have been identified using advanced transmitter diagnostics, digital protocols and asset-management software. Together, these new technologies give users and equipment suppliers unprecedented insight into device performance and failure modes in real applications. FIGURES 1a and 1b. Using a device dashboard and time-stamped diagnostic log, complex, diagnostic information about this pressure transmitter is presented in an easy-to-understand format, for easy troubleshooting. All events and failures are logged in non-volatile memory, with date-and-time stamp, for easy post-mortem failure analysis   As this article demonstrates, many of the traditional practices for…
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