has function measure function measurement device differential pressure gauge LSR2 differential pressure gauge Part of the fluidics subsystem. The differential pressure gauge monitors the difference between sample and sheath fluid pressures in systems where pressure is used to force the sample fluid to flow in the center of the sheath fluid. A differential pressure gauge can be used by the operator to make sure that the sample fluid is at a greater pressure than the sheath fluid, which maintains a core of sample fluid. differential pressure gauge John Quinn Practical Flow Cytometry 4th Edition, Howard Shapiro, ISBN-10: 0471411256, ISBN-13: 978-0471411253 metadata incomplete