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vrf DMM and VEE Revisited

Question asked by ashley on Jan 15, 2004
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><META http-equiv=Content-Type content="text/html; charset=iso-8859-1"><META content="MSHTML 6.00.2600.0" name=GENERATOR><STYLE></STYLE></HEAD><BODY bgColor=#ffffff><DIV><FONT face=Arial size=2><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">Hello,</SPAN></FONT></DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt"></SPAN></FONT> </DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">I asked the question below last year and now have persuaded my customer to purchase a TTi705 (Thurlby Thandar instruments) DMM on recommendation of Barrie Birmingham.</SPAN></FONT></DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt"></SPAN></FONT> </DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">Does anyone have any software examples of this as my start point. I will be merely setting the meter to resistance or DC voltage under software control and reading the value into VEE (v5.01).</SPAN></FONT></DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt"></SPAN></FONT> </DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">Thanks to everyone who gave me advice on my original request.</SPAN></FONT></DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt"></SPAN></FONT> </DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">Ashley Derrick (Smart Solutions) HULL England.</SPAN></FONT></DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt"></SPAN></FONT> </DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">>for a 0.5% accuracy measurement of resistance over a range of 6</SPAN></FONT></DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">>Ohms to 3000 Ohms, which proved to be a tall order. For a repeat >order I</SPAN></FONT></DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">>am considering using a separate bench Digital Multimeter >interfaced to the</SPAN></FONT></DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">>VEE program via RS232. Anyone know of a DMM which will meet the >Spec.</SPAN></FONT></DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">>preferably for around 500.</SPAN></FONT></DIV><DIV align=left><BR></DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">Try the TTi1705 (NOT the 1604 - it's a pig to interface) for about 350 - it is easy to program - comes with RS232 and has a 100ohm lowest range with a resolution of 10mohm and stated accuracy of 0.1%+3digits.</SPAN></FONT></DIV><DIV align=left><BR></DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">Barrie Birmingham</SPAN></FONT></DIV><DIV align=left><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt">b.birmingham@newi.ac.uk</SPAN></FONT></DIV></FONT></DIV>---<BR>You are currently subscribed to vrf as: rsb@soco.agilent.com<BR>To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com".<BR>To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com".<BR>To send messages to this mailing list,  email "vrf@agilent.com".  <BR>If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com".<BR>Send your favorite VEE example to "VRF-EXAMPLES@agilent.com" for possible inclusion in VEE 7.0!</BODY></HTML>  

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