Sierra Steel-Mass™ Model 640S Insertion Mass Flow Meter
2019-1-24 · Sierra Steel-Mass™ Model 640S Insertion Mass Flow Meter Instruction Manual Part Number: IM-64S, Rev. C.1 10/08 ... Before attempting any flow meter repair, verify that the line is de-pressurized. Warning! Always remove main power before disassembling any part of the mass flow meter. Caution!
