ASF1400 Bidirectional Mass Flow Meter

2022-10-20

●Product Summary
■The ASF1400 Mass Flow Meter enables extremely accurate bidirectional measurement of gas flow over four orders of magnitude. Its leading performance is based on SENSIRION’s unsurpassed CMOSens® sensor technology. With CMOSens®, the on-chip sensor element forms an integrated whole with the amplification and A/D converter circuit. This results in superior resolution, fast response time and large dynamic range at lowest power consumption.
■All measurement data is fully calibrated and temperature compensated by means of an internal microcontroller. Mounted in rugged, chemically inert PBT housing the ASF1400 is suitable for a wide range of applications. Such include mass flow metering for process control, medical applications, heating ventilation and air conditioning (HVAC) solutions, as well as gas flow metrology.
■The sensor housing provides two inlets for measuring the gas flow and withstands overpressures of 2 bar (29 psi). The ASF1400 requires a supply voltage of 7...18Vdc and provides an RS-232 compliant electrical interface.
●Unique dynamic range: 0.01 sccm – 400 sccm
●Outstanding resolution and accuracy
●Ultra fast response time
●Hysteresis & offset free
●Calibrated & temperature compensated
●RS-232 and

Sensirion

ASF1400

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Part#

Bidirectional Mass Flow Meter

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Datasheet

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November 2008

V2.2

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