Depending on which recipient you are this may be slightly (but not too much
[OT.]

Here is a large amount of very well presented free technical information on
measurement of a large range of physical variables (pressure, flow, mass,
....).
A useful site -

Can be read online or downloaded in 4 PDFs.

http://www.omega.com/literature/transactions/



RM

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Their intro:

A Technical Reference Series Brought to you by OMEGA

OMEGA's Transactions in Measurement & Control series, as well as our
legendary set of handbooks and encyclopedias, is designed to provide at-your
fingertips access to the technical information you need to help meet your
measurement and control requirements.

Conceived as a practical thesis and as a technical reference series for
everyday users of instrumentation and controls, rather than as a series of
erudite essays, each issue of Transactions will be jam-packed with
information on a different measurement and control technology topic.

Visit our Transactions Website to read Transactions online.

For more information on this new publication, contact OMEGA Engineering,
Inc.; or use our OMEGAfaxSM on-line publishing service to obtain a
Transactions request form by fax. Simply call 1-800-848-4271 from any
Touch-Tone phone and request Document #9986.



Volume 1     Infrared                      (2.5 MB) Download PDF
Volume 2     Data Acquisition      (1.5 MB) Download PDF
Volume 3     Pressure                (1.6 MB) Download PDF
Volume 4     Flow & Level            Download PDF (2.7 MB)