Davis Instruments Microturbine Liquid Flow Sensor 50 to 500 mL/min 流量传感器-产品快照
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- Davis Instruments Microturbine Liquid Flow Sensor 50 to 500 mL/min
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- Davis Instruments Microturbine Liquid Flow Sensor 50 to 500 mL/min
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产品介绍
Davis Instruments Microturbine Liquid Flow Sensor 50 to 500 mL/min 流量传感器
Davis Instruments Microturbine Liquid Flow Sensor 50 to 500 mL/min
Davis Instruments Microturbine Liquid Flow Sensor 50 to 500 mL/min
Designed for continuous operational service Flow sensors are capable of measuring extremely low liquid flow rates from 13 mL/min up to 10 L/min with a full scale accuracy of ±1.0%. A wide variety of fluids may be measured. Because of the compact size and economical cost of these products, these sensors are suitable for a wide variety of industrial, commercial, laboratory and OEM applications. The sensor technology utilizes the Pelton turbine wheel concept. This design allows for use of a miniature turbine wheel similar in size to a U.S. dime (16 mm diameter, 0.75 mm thick). The wheel is supported on a very small sapphire shaft, held in position by two sapphire bearings. Due to the light weight of both the wheel and the shaft, the microturbine wheel virtually fl oats in the liquid. This flotation effect relieves force on the shaft and bearings, virtually eliminating wear. As flow passes through the sensor it is directed onto the very small teeth of the wheel using a precision-machined nozzle. This nozzle is sized according to the flow range of the unit. The rotational speed of the turbine wheel increases proportionally to the volumetric flow rate. The microturbine wheel has alternating white and black sections evenly spaced on one surface of the wheel. As the wheel rotates, an infrared beam is reflected off each white section and is directed to a phototransistor which detects each reflected beam and converts them into pulses. As the wheel spins faster, pulse rate increases. When the wheel stops (under zero flow conditions), no pulses are generated. Consequently, zero drift is not possible and zero adjustments are never required. Applications: measurement of: hydrocarbon fluids fuels light oils solvents coolant pesticides mild acids alkalis deionized water Specifications Product Type Pelton Wheel Flowmeters Description Turbine Flowmeter Max operating temperature (º F) 131 Max operating temperature (º C) 55 Max pressure 500 psi Accuracy ±1% full-scale Process connection 1/4" compression fittings Model 32102-26 Qty/ea 1 Repeatability ±.2% full-scale CE Compliance Yes Operating temperature 41 to 131°F (5 to 55° C) Electrical connections Non-isolated 3-wire cable 24" long Power 18 to 24 VDC Brand Davis
Flowmeters Turbine Flowmeters Davis Instruments Microturbine Liquid Flow Sensors
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