I'm going to email K-H as J. L. Trantham suggested. Joe Gray W5JG
On Sun, Jul 28, 2013 at 3:56 PM, Tom Miller <[email protected]>wrote: > Can you get a service/calibration manual for it? > > I just sent my HP3457A out for calibration. $150 > > Tom > > ----- Original Message ----- From: "Joseph Gray" <[email protected]> > To: <[email protected]> > Sent: Sunday, July 28, 2013 5:05 PM > Subject: [volt-nuts] (no subject) > > > I just had a friend buy this for me (I don't have an ebay account). I hope >> I didn't make a mistake. >> >> http://www.ebay.com/itm/**Electronic-Development-** >> Corporation-EDC-VS330-VOLTAGE-**STANDARD-/161069656213?nma=**true&si=** >> PiGtcBMSdSOxgbm9DhiZ6iLo1GQ%**253D&orig_cvip=true&rt=nc&_** >> trksid=p2047675.l2557<http://www.ebay.com/itm/Electronic-Development-Corporation-EDC-VS330-VOLTAGE-STANDARD-/161069656213?nma=true&si=PiGtcBMSdSOxgbm9DhiZ6iLo1GQ%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557> >> >> Of course, once I have it, it's the chicken and egg problem. The best I >> have to check it against is an HP 3478A that was last calibrated an >> unknown >> number of years ago. It has a little round sticker over the CAL switch on >> the front, but no dated calibration label that I can see. It came from a >> repair facility that closed a few years ago. >> >> Actually, the reason I was tempted to buy the VS330 was because I think >> the >> 3478A is off a bit. A while back, I built a simple 5V reference with a >> MAX6350. The 3478A read high. I took the reference to work and the best >> Fluke handheld we have was dead on (I don't remember the model right now). >> >> I made the measurement again last night and the 3478A reads 5.0026 V, with >> the last digit fluctuating. Room temperature was 26 C. >> >> I guess obsessing about these things has brought me here to the Volt Nuts. >> I have been on Time Nuts for several years. >> >> Joe Gray >> W5JG >> ______________________________**_________________ >> volt-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/** >> mailman/listinfo/volt-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts> >> and follow the instructions there. >> > > ______________________________**_________________ > volt-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/** > mailman/listinfo/volt-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts> > and follow the instructions there. > > _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
