SFM4xxxBack to catalogFiltersProduct categoryGas flow sensors16Humidity sensors0Temperature sensors0NOx & VOC sensors0Formaldehyde sensors0CO₂ sensors0Particulate matter sensors0Liquid flow sensors0Differential pressure sensors0Mass flow controllers0Gas metering solutions0Refrigerants sensors0ClassSensor16Accessory0Development board0Evaluation kit0Reference design0Product statusActive6Not recommended for new designs10Upcoming0New0Last time buy0Obsolete0InterfaceI²C16Sensibus0PWM0SDM0UART0RS2320RS4850Switch0Device net0IO link0ModBus0Analog voltage0Analog current0Compare SFM4300-50-PPressure-resistant flow sensor, air & O₂, 50slm, push-in fittingsFull scale flow rate0 - 50 slmTypical accuracy±2.5% m.v.CalibrationAir, O₂ and mixtures thereofMaximum operating pressure7 barFluidic connector portsLegris push-in (8 mm)InterfacesI²CSupply voltage3 - 5.5 VSize (LxWxH)77 x 26 x 26.2 mmSensorGas flow sensorsCompare SFM4300-50-OPressure-resistant flow sensor, air & O₂, 50slm, O-ring fittingsFull scale flow rate0 - 50 slmTypical accuracy±2.5% m.v.CalibrationAir, O₂ and mixtures thereofMaximum operating pressure7 barFluidic connector portsO-ringInterfacesI²CSupply voltage3 - 5.5 VSize (LxWxH)64.5 x 26 x 26.2 mmSensorGas flow sensorsCompare SFM4300-50-BPressure-resistant flow sensor, air and O₂, 50slm, basemountFull scale flow rate0 - 50 slmTypical accuracy±2.5% m.v.CalibrationAir, O₂ and mixtures thereofMaximum operating pressure7 barFluidic connector portsDownmountInterfacesI²CSupply voltage3 - 5.5 VSize (LxWxH)92.5 x 32 x 29.3 mmSensorGas flow sensorsCompare SFM4300-20-PPressure-resistant multi-gas flow sensor, 20slm, push-in fittingsFull scale flow rate0 - 20 slmTypical accuracy±2% m.v.CalibrationAir, O₂, N₂O and mixtures thereofMaximum operating pressure7 barFluidic connector portsLegris push-in (8 mm)InterfacesI²CSupply voltage3.15 - 3.45 VSize (LxWxH)77 x 26 x 26.2 mmSensorGas flow sensorsCompare SFM4300-20-OPressure-resistant flow sensor, multi-gas, 20slm, O-ring fittingsFull scale flow rate0 - 20 slmTypical accuracy±2% m.v.CalibrationAir, O₂, N₂O and mixtures thereofMaximum operating pressure7 barFluidic connector portsO-ringInterfacesI²CSupply voltage3 - 5.5 VSize (LxWxH)64.5 x 26 x 26.6 mmSensorGas flow sensorsCompare SFM4300-20-BPressure-resistant flow sensor, multi-gas, 20slm, basemountFull scale flow rate0 - 20 slmTypical accuracy±2% m.v.CalibrationAir, O₂, N₂O, CO₂ and mixtures thereofMaximum operating pressure7 barFluidic connector portsDownmountInterfacesI²CSupply voltage3 - 5.5 VSize (LxWxH)92.5 x 32 x 29.3 mmSensorGas flow sensorsNRNDCompare SFM4100-20-O2-BPressure-resistant flow sensor for O₂, 20slm, basemountFull scale flow rate0 - 20 slmTypical accuracy±3% m.v.CalibrationO₂Maximum operating pressure6 barFluidic connector portsDownmountInterfacesI²CSupply voltage3.5 - 9 VSize (LxWxH)93 x 31.88 x 27.2 mmSensorGas flow sensorsNRNDCompare SFM4100-20-O2Pressure-resistant flow sensor for O₂, 20slm, push-in fittingsFull scale flow rate0 - 20 slmTypical accuracy±3% m.v.CalibrationO₂Maximum operating pressure6 barFluidic connector portsLegris carstick (6 mm)InterfacesI²CSupply voltage3.5 - 9 VSize (LxWxH)93 x 31.88 x 27.2 mmSensorGas flow sensorsNRNDCompare SFM4100-20-N2O-BPressure-resistant flow sensor for N₂O, 20slm, basemountFull scale flow rate0 - 20 slmTypical accuracy±3% m.v.CalibrationN₂OMaximum operating pressure6 barFluidic connector portsDownmountInterfacesI²CSupply voltage3.5 - 9 VSize (LxWxH)93 x 31.88 x 27.2 mmSensorGas flow sensorsNRNDCompare SFM4100-20-N2OPressure-resistant flow sensor for N₂O, 20slm, push-in fittingsFull scale flow rate0 - 20 slmTypical accuracy±3% m.v.CalibrationN₂OMaximum operating pressure6 barFluidic connector portsLegris carstick (6 mm)InterfacesI²CSupply voltage3.5 - 9 VSize (LxWxH)93 x 31.88 x 27.2 mmSensorGas flow sensorsNRNDCompare SFM4100-20-CO2-BPressure-resistant flow sensor for CO₂, 20slm, basemountFull scale flow rate0 - 20 slmTypical accuracy±3% m.v.CalibrationCO₂Maximum operating pressure6 barFluidic connector portsDownmountInterfacesI²CSupply voltage3.5 - 9 VSize (LxWxH)107.7 x 35.2 x 34.6 mmSensorGas flow sensorsNRNDCompare SFM4100-20-CO2Pressure-resistant flow sensor for CO₂, 20slm, push-in fittingsFull scale flow rate0 - 20 slmTypical accuracy±3% m.v.CalibrationCO₂Maximum operating pressure6 barFluidic connector portsLegris carstick (6 mm)InterfacesI²CSupply voltage3.5 - 9 VSize (LxWxH)93 x 31.88 x 27.2 mmSensorGas flow sensorsProducts per page:1212