Description Overview GAOTek Gas Flow Sensor is a digital flow meter designed specifically for ventilator applications. It measures the flow rate of air, oxygen and other non-aggressive gases with superb accuracy. A special design of the flow channel results in a very low pressure drop through the flow body of the sensor making it extremely suitable for very demanding applications, such as medical ventilation and respiratory applications. The product operates from a 5 Volt supply voltage and features a digital I 2C interface. The measurement results are internally linearized, and temperature compensated. The outstanding performance of this sensor combines a thermal sensor chip and a high-performance integrated 24-bit AD acquisition CMOS microprocessor. The flow rate of the gas is measured by a thermal sensor element which assures very fast signal processing time and bidirectional measurement with best-in-class accuracy. Features Low pressure drops Flow range: or – 200 slam (bidirectional) Accuracy 1.5% m.v. (typical) Very fast update time Fully calibrated and temperature compensated Low zero drift Technical Specifications Calibration Air, N2, O2 Media Compatibility Air (noncondensing), N2, 02, nonaggressive gases Wetted Materials PPE PS blend (medical grade: biocompatible; ISO 10993 or USP Class VI), Si, Si3N4, SiO x, Gold, Epoxy, Polyurethane, stainless steel (annealed) Flow Ranges -200 to 200² slm³ Customized Support OEM, ODM RoHS, REACH RoHS and REACH compliant Sensor Weight with Cap <0.88 oz (25 g)
