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SFM4100 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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SFM4100 Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 9 page  www.sensirion.com Version 1.3 – January 2013 1/9 SFM4100 Series Low-cost Digital Mass Flow Meter for Gases Accuracy 3% m.v. Digital output (I2C) Multigas option available Calibrated and temperature compensated Excellent long-term stability Downmount or legris carstick fittings Product Summary The SFM4100 gas flow meter series is designed as a versatile OEM gas flow meter for demanding volume applications. The SFM4100 is designed to measure Air and non- aggressive gases with excellent accuracy over a large dynamic range. Mass flows ranges up to 20 slm are available. The SFM4100 series operates with supply voltage 5-9 VDC and through its digital I2C interface it can be easily embedded into a microprocessor environment. The sturdy design of the SFM4100 sensor allows for operation pressures up to 10 barg. The flow signal is internally lineralized and temperature compensated. The outstanding performance of these sensors is based on Sensirion’s patented CMOSens® sensor technology, which combines the sensor element, signal processing and digital calibration on a single microchip. The mass flow is measured by a thermal method on the MEMS sensor element. Compared to other thermal mass flow sensors (MEMS, hotwire or capillary type) the SFM4100 features an extended dynamic range, higher long-term stability, and improved repeatability. The well-proven CMOS technology is perfectly suited for high-quality mass production and is the ideal choice for demanding and cost-sensitive OEM applications. Applications Medical (e.g. respiratory care, anesthesia) Analytical Instruments Leak testing Process automation Connection diagram Sensor chip The SFM4100 series features a fourth-generation silicon sensor chip called SF04. In addition to a thermal mass flow sensor element, the chip contains an amplifier, A/D converter, EEPROM memory, digital signal processing circuitry, and interface. The highly sensitive chip is particularly sensitive at lowest flows, giving the SFM4100 sensor its large dynamic range. SFM4100 OEM options A variety of custom options such as other analog output, different gases, flow ranges, multigas calibration can be implemented for high-volume OEM applications (>1000pc/y). Ask us for more information. C (master) VDD=3.5-9V VLS=2.9-5.5V VDD GND SDA SCK SFM4100 series with bidirectional digital communication (I2C bus) |
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