|
|
DAVID W. SPITZER'S E-ZINE
|
TECHNICAL AND MARKETING SERVICES FOR INSTRUMENTATION SUPPLIERS AND END-USERS
|
|
|
HART began as an ISA SP50 proposal to enable backwards compatibility with analog field instrumentation. HART transmits its digital data superimposed on a 4-20 mA signal allowing the field instrument to continue to supply its primary data value in analog form with secondary data in digital format.
click for more...
|
|
Sometimes you have to do detective work in order to really know what you have -- or you may suffer the consequences.
click for more...
|
|
What is the approximate flow measurement error associated with a differential-pressure flowmeter for liquid service operating at a pressure of four bar where the differential-pressure transmitter is calibrated for 100 inches of water column, and the impulse tubing on the high side of the transmitter has a 10-inch vertical bubble of non-condensable gas?
click for more...
|
|
|
YOUR FEEDBACK
|
We value your comments and suggestions. Please vist our contact page to send us an email.
Unless otherwise noted, receipt of your e-mail constitutes
permission to include its contents (or parts thereof) in the E-zine.
|
ABOUT SPITZER AND BOYES, LLC
|
Spitzer and Boyes, LLC sells
Consumer Guides for end-users that contain detailed product information
and analysis about:
We also offer seminars
on these topics at various locations across the United States
|
To be removed from this e-zine mailing list, please click here.
ISSN 1538-5280 ©2010 Spitzer and Boyes, LLC
The content of this message is protected by copyright and trademark laws under U.S. and international law. All rights reserved.
|