Subject: Vibration datalogger
Kilian Anheuser <kilian.anheuser [at] ville-ge__ch> writes >To quantify the problem at reasonable expense, I am thinking of >acquiring two vibration dataloggers. After a quick market survey, >the Tinytag Plus vibration logger appears to me to be the most >appropriate. Has anyone got experience with this type of datalogger, >or have I overlooked an alternative? At Historic Royal Palaces, we have used the Tinytag Plus vibration logger (which measures within the range 0-5g) for about 2 years for routine vibration monitoring around our sites to assess the relative risks posed by visitor numbers and special events. It forms part of our Key Performance Indicator programme to monitor and reduce the environmental risks posed to our collections. We have used more sophisticated equipment for short in-depth studies, but have found the Tinytags a satisfactory solution for this longer-term routine monitoring spread over many locations. One must of course be aware of the limitations of these cheaper loggers, such as being uniaxial (only detects vibration in one direction) and the need for regular manual downloads. A problem with vibration monitoring in general is the need for very solid fixings to the object or surface being measured, the best solution being screws--this is a challenge when working within a historic interior! Dr Ian Gibb Conservation Scientist Hampton Court Palace Historic Royal Palaces Surrey UK +44 3166 6462 *** Conservation DistList Instance 22:4 Distributed: Tuesday, July 8, 2008 Message Id: cdl-22-4-005 ***Received on Wednesday, 25 June, 2008