Hi, thanks. I have the proper drive electronics boxes which come with these. So no worries, but a good general point to note. The other thing I didn't mention was that the documentation claims that the devices have infinite resolution. Limited, obviously, by the electronics. Cheers Ian Smith sean@........... wrote: > Ian, > > Now that you have mentioned that your tiltmeter is probably an electrolytic > bubble, I meant to mention that most of these have complex electrode/ > electrolyte chemistry and must be operated as an AC bridge. If you are > inclined to probe circuits with a multimeter, do NOT try to measure > the electrode resistance with a DC ohm-meter. The slightest DC current > will ruin the sensor by plating the coating off the electrodes. This is > of particular concern for anyone who finds the biaxial Rockwell sensor > in an electronics surplus store, since the electrodes are plated onto the > curved glass surface, and will disappear almost instantly if a meter is > applied. In fact, it may already be ruined inside the SS shell. I can > supply the schematic to properly operate this bubble. > > Sean-Thomas > > __________________________________________________________ > > Public Seismic Network Mailing List (PSN-L) > > To leave this list email PSN-L-REQUEST@.............. with > the body of the message (first line only): unsubscribe > See http://www.seismicnet.com/maillist.html for more information. __________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>