mark roberts Posted July 16, 2007 Share Posted July 16, 2007 Probably a numpty question but I've just received my sparco dial pressure gauge and its got a 'bubble' inside the dial rather like a 'spirit bubble'. Is this right? Seems odd to me. Thanks. Mark - Super Grads 190 Fastest Estate Agent in town Link to comment Share on other sites More sharing options...
Bob Simon Posted July 16, 2007 Share Posted July 16, 2007 Glycerin dampening fluid. Better industrial pressure gauges are filled with fluid to dampen the meter movement. -Bob 94 HPC VX Evo III Link to comment Share on other sites More sharing options...
mark roberts Posted July 16, 2007 Author Share Posted July 16, 2007 Its a good one then. Thanks very much Bob. Mark - Super Grads 190 Fastest Estate Agent in town Link to comment Share on other sites More sharing options...
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