Spitzer and Boyes, LLC Website

DAVID W. SPITZER'S E-ZINE

TECHNICAL AND MARKETING SERVICES
FOR INSTRUMENTATION SUPPLIERS AND END-USERS

This issue sponsored by Spitzer and Boyes, LLC

June 2013

Glass Membrane pH Sensors (Part 1 of 3)

The measurement electrode is a silver wire coated with silver chloride (AgCl) that is used to detect the electrical potential between itself and the chloride-containing buffer solution that surrounds it. click for more...

Part II - Open Channel Flowmeter Problems

Installing an ultrasonic level transmitter that does not contact the water might be better than the existing transmitter. However, transmitter replacement implies that the existing (unidentified) level transmitter is not functioning properly. This is certainly possible, but I suggest that the operation of the existing level transmitter should be verified prior to its replacement. Investigation could also reveal that the existing level transmitter already uses ultrasonic technology. click for more...

Selecting Orifice Plates for Accuracy

The concentric orifice plate is the most commonly specified orifice plate. Orifice plate standards, such as AGA-3, API 2530, ASME-MFC-3M, and ISO 5167, describe these flowmeters for use in industrial and custody-transfer applications to include water and natural gas. A case could be made that a concentric orifice plate that is properly designed, installed and maintained is the most accurate of these orifice plates. click for more...

ABOUT SPITZER AND BOYES, LLC

In addition to over 35 years of experience as an instrument user, consultant, and expert witness, David W Spitzer has written over 10 books and 250 articles about flow measurement, level measurement, instrumentation, and process control. David (with Walt Boyes) is the author of seven Consumer Guides to various industrial flow and level technologies. David teaches his flow measurement seminars in both English and Portuguese.

Spitzer and Boyes, LLC provides engineering, technical writing, training seminars, strategic marketing consulting, distribution consulting, and expert witness services worldwide, and can be contacted at +1.845.623.1830 or www.spitzerandboyes.com.