Fluid Control Systems Selected product range

254Paddle-wheel sensor for low flow rates• For low flow rates of solid-free liquids• 3-wire system• Version for neutral or aggressive liquids8031• Upgradable to a transmitter or a batchcontrollerType 8031 can be combined with...Type 8025 TRemoteuniversal transmitterType 8025 BRemotebatch controllerSensorsThe compact sensor Type 8031 with paddle-wheeland Hall sensor generates a frequency signal proportionalto the flow.It is designed for aqueous, oily, aggressive as well assolid-free media.Technical dataMeasurement rangeAccuracyRepeatabilityElectrical connectionProtection class IP 67Fluid temperatureAmbient temperatureStorage temperature10 to 100 l/h (K-factor = 10 200 pulse/l or 38 636 pulse/gal)20 to 250 l/h (K-factor = 3 400 pulse/l or 12 879 pulse/gal)≤ ±2% o.R.*< 1% o.R.*Cable, 1 m length (3 x 0.14 LiYY)-10 to +55 °C (14 to 131 °F)-10 to +55 °C (14 to 131 °F)-10 to +70 °C (14 to 158 °F)Max. fluid pressure 10 bar at 20 °C (145psi at 68° F)Viscosity of fluidsBody materialOther materialsPaddle-wheelAxisO-ring1 to 10 cSt.POM or ECTFEPOM or ECTFECOREPOINT or saphirFKM (EPDM or FFKM on request)Process connection Tube spigot 6/4 or G 1/4”Operating voltageCurrent consumptionOutput signal* o.R. = of Reading12 to 24 V DCmax. 15 mA at 24 V DCTransistor, NPN, Open collector, Pull-up resistance of2.2 kΩ, 0 to 300 Hz - Standard feature between+V DC (white wire) and signal (green wire)Subject to modifications