Inquiry (采购产品): 2400-SI Tachometer Dear sir, We need your help to email us your setting instruction for this Panel-mounted Tachometer Model:2400-si, we use your product in our steam turbine, we have 60 teeth measuring disc, with 4300RPM Steam turbine, but your Tachometer did not show correct speed, it just show 335RPM while the correct shaft RPM is 4300. Can you please help to solve this problem? Thanks **** Hidden Message ***** Iwa Ralim Medan 20112-Ind Company: PT.Indopower Watech Abadi E-mail: iwaralim@yahoo.com **** Hidden Message ***** iwaralim@yahoo.com