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Category Archives: Instrument Designer

Tubing and Fitting Design Guide

The following points provide brief guideline in tubing and fitting design for instrument tubing and fittings. The selection preferences may vary between projects. Selection of hook up materials shall consider process fluid pressure and pressure rating to ensure good sealing … Read More

Insight, Instrument Designer, Interview Question, Job Seeker | , |

Instrument Cable Screen Grounding

Why the cable screen shall not be grounded at instrument field device? Cable screen protects the signal carried on the conductor from external interference. Cable screen blocks the external interference and noise, then directs it to the ground. Screen shall … Read More

Instrument Designer, Instrument Engineer | |

Side Mounted vs Top Mounted Level Instrument

What is the consideration on deciding whether level instrument (transmitter or switch) to be top mounted type or side mounted with external cage type? Top mounted means the sensor or measuring element of level instrument is inserted into the vessel … Read More

Instrument Designer, Instrument Engineer | |

Instrument Cable – Fire Resistant vs Flame Retardant

What is the difference between Fire resistant cable and  Flame retardant cable? Please also explain the typical application for both of them. Fire resistant cable is cable which will continue to operate normally in the presence of prolonged fire for … Read More

Instrument Designer, Instrument Engineer | |
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