McMillan”sModel 501 FLO-SWITCH provides a solid-state relay output indicated flowabove or below a selected setpoint. Provides alarms for low- or no-flowconditions, excessive flow, or intermittent flowrates. Low-cost andcompact packaging allow usage in laboratory and OEM applications whereequipment may be damaged if flowrates are low or not present. Switchesare available in plastic or stainless-steel construction. Solid staterelay outputs with setpoints as low as 13 mLpm provide a cost-effectivereplacement to nonrepeatable, piston-type or rotameter-basedalternatives. Integrated visual indicators display current status.Units may be used with pressures up to 500 PSIG.