C T Johnson

Instrumentation & Controls:

Engineering, Design, Software & Services

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Updated 6/19/2018 added Instrument & Control Symbols

Just offered: CAD Symbols for P&ID and other Instrumentation documents

You can order it for several CAD applications including AutoCAD, Microstation, and in a DXF format

Click Here to order P&ID Symbols for $26.66 for most CAD applications

P&ID Symbols

Although  have retired I want to keep my hand in

Below Are samples of the work I can do from my home office

P&ID

Loop Shts
 

EC-800

installation

 Links to Instrumentation informative sites.