Variable size stroke adjustment, allows the user to vary the volume and pressure per strokeIntegral pressure adjustment vernier knob for fine pressure adjustment.Directly connection to pressure modules consolidates two separate pieces into one when performing pressure calibration and testingTwo ? inch NPT pressure ports, one for reference (pressure module or gauge), one for UUTCompatible with optional Fluke-700PRV pressure relief valve designed to protect pressure modules from overpressure damageImproved primingImproved stroke limiting mechanismNote: The user must provide a hose with appropriate end fittings to apply pressure from the UUT port to the calibration unit under test such as the Fluke-700HTH-1 hose kit.Includes:? inch NPT to ? inch NPT adapter to connect the reference gauge port on the pump body to the 1/4 NPT female fitting on Fluke 700P29, P30, and P31 pressure modules.(2) ? inch NPT male to ? inch BSP Female adapters? inch NPT Tee (installed)Instruction sheet