SpecificationsCurrent consumption : 100mA or lessAmbient temperature : 0 to 50°CAmbient humidity : 95%RH or lessAccuracy : ±2%FSResponse speedFluid : Purified water, Chemical liquids, and various fluids(Not corrosive to body materials)Power supply voltage : 12 to 24V.DC ±10%Allowable fluid temperature : 0 to 90°C(Type SLK-053 : 0 to 60°C)(Type SLK-053 : ±2%FS at 20°C )Operation Description of indicatorOutput 1OFFONDiff. Diff. Output 2OFFONSetting point Flow Setting point FlowOutput 2 monitor (green)(Used to change set values in setting mode)Flow value indicationSet value indicationOutput 1 monitor (red)Setting keyMode Setting(Used to confirm the setting)Open collector (transistor ON-OFF)UP-DOWN keyKarman vortex flow meter with wetted part made of PFA.Simple structure without moving parts enables high durabilityand high accuracy.General DescriptionType SLK- 33 is provided with LED display + current output+ open collector output.: Approx. 1 second