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Date: 04/28/00 at 9:30 PM
Posted by: T. Fidler/ Engstress
E-mail: engstress@netspace.net.au

Hey this looks as though it might be a good place to look at once a week.
I have a query re high accuracy 4-20mA current Sink circuits but will come back about 5th May
or maybe earlier on that one.

Have a look at this if th subjects in header are of interest :

http://briefcase.yahoo.com/estr97.

remember: no www and i befor e. Also be aware that Yahoo goes down from time to time ...try again
later if bad URL is returned.

This is a bit of a hodgepodge of private and techo stuff [nothing crude] which I will organise one
day. THere is a Excel workbook for doing estimating that Phil in Tennisee thinks is the bee's kness.
[Someone else paid for the development of all the interface and VBA but not my problem- I just
wrote it].

Also a collection of instrument - process control - datasheets and a starter database for an instrument index
in 2 parts . Please do not send me Access 97 queries - work it out or buy a pre build database from the
ISA or other vendor. These data sheets take hours to develop [try it] and are in Excel 95.

I will be adding some generic motor control logic later [gif file of Boolean logic], as this query comes up freq. on the net.

So if you have any professional 4-20mA ccts. , love to hear. [Do not send Mickey mouse hobbist circuits.
leave those for Walt Disney, pse.]

regards, TEF

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