热式流量开关系列

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DWYER热式流量开关TDFS2系列

TheSeriesTDFS2ThermalDispersionFlowSwitchisathermalflowswitchthatindicateswhethertheflowrateisaboveorbelowausersetflowrate.TheunitincorporatestwoLEDstatusindicatorsprovidingvisualswitchindication.Thesetflowrate(setpoint)isfieldadjustableandtheunithasbothNOandNCNPNoutputs.SeeFigure1oncatalogpageforoutputandLEDactionsonchangeofflow

热式流量开关系列

Service：Compatiblewater-basedfluids.

WettedMaterials：316SS.

SetPointRange：0.5to10ft/s(0.15to3.0m/s).

Repeatability：0.07ft/s+3%ofsetpoint.

TypicalDeadband：0.1ft/s+15%ofsetpoint.

TemperatureLimits：Ambient：5to140F(-15to60C);Process：5to140F(-15to60C);Storage：-40to185F(-40to85C).

PressureLimits：300psig(20.67bar).

ResponseTime：Approx.8s.

PowerRequirement：9to24VDC.

SwitchingCurrent：400mA，de-rate5mA/Cabove23C.

CurrentConsumption：Average：93mA;Peak：300mA.

ElectricalConnection：1/2"NPTfemalewith4conductor22AWG，6(1.83m)long.

ProcessConnection：1/2"NPTmale.

EnclosureRating：NEMA4X(IP65).

HousingMaterials：316SS，416SS，polycarbonate，neoprene，andacrylatedurethane.

SwitchType：1NONPN，1NCNPN.

InputPowerandProtection：0.5Afuse(resettable)reversepolarityprotected.

SwitchedOutputProtection：0.5Afuse(resettable)reversepolarityprotected.

AgencyApprovals：CE.