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DAVID W. SPITZER'S E-ZINE

TECHNICAL AND MARKETING SERVICES
FOR INSTRUMENTATION SUPPLIERS AND END-USERS

This issue sponsored by Spitzer and Boyes, LLC

July 2011

Non-Contact Radar Level Measurement (Part 1 of 3)

Non-contact radar level measurement sensors emit a radar signal towards the material and measure the remnants of the signal that are reflected from the material. click for more...

Better to Be Safe:
Selecting Instruments for Vacuum Service

I recently read an Internet posting by a well-respected instrumentation engineer about selecting instruments for vacuum service. His comments are informative in that he mentions that instruments can be damaged when operated under vacuum. Vessels can also be damaged. click for more...

Calibrating a Differential-Pressure Transmitter (Part II)

Last month, a differential-pressure transmitter was used to measure the level in a five-meter high atmospheric tank in water service. Changing the application to measure the level of liquid ammonia (SG=0.6) in the same tank, the high-pressure and low-pressure taps are located one meter and five meters from the bottom of the tank. click for more...

 

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