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absolute zero demonstrator
Posted: 24 May 2016, 09:18
by phillip o
We have one of these - bulb connected to a long tube with a pressure release valve and a pressure gauge at the top. The gauge goes from -100kPa to +300kPa. Has anyone ant idea of where I would get a replacement gauge? Serrata doesn't!
Re: absolute zero demonstrator
Posted: 24 May 2016, 11:52
by Laverne
We have one too. I don't think it has worked properly since the day we bought it. I do know the former HT and a teacher have had a go at making it work but I don't know whether they have had success. As to the replacement gauge I don't know. Sorry.