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Instrument Designer's Tools
Behind every instrument engineer, there's an instrument designer just waiting to rescue them!
For sure, the engineer gets the glory for installing the latest digital innovation, but in reality it is the designer who does the hard work behind all instrument installations.
What Does an Instrument Designer Do?
To explain what an instrument designer does, let's consider a couple of examples:
Consider the example of a simple pressure gauge installation. The engineer may well select the gauge e.g. whether it is a bourdon or Schaffer, and the range, but the designer will address the hook up of the instrument. This will include selection of impulse tubing, thread sealant, tube fittings, choice of pressure gauge accessories, how the gauge is mounted, and its orientation so that it can be easily viewed by the plant operator as they pass from the walkway.
And when we consider a loop powered instrument things get even more involved for the design team. In addition to the instrument hook-up considerations mentioned above, the designer will choose instrument cabling (including wire size), decide on cable routing along instrument cable tray to a local junction box which has spare ways and is connected to the correct type of multicore cable, chose the correct size and type of cable gland, and depending on the hazardous area classification where the instrument is located may have to choose an IS barrier or galvanic isolator.
As we said, the role of an instrument designer is an important one!
To help the designer in their work we have listed below links to a wide variety of tools, resources and look up tables used by instrument designers (and instrument engineers) in the oil and gas, petrochemical and pharmaceutical industries.
If what you are looking for isn't here - then let us know and we will get it added.
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The following books (available from Amazon) may be of interest to instrument designers and engineers: