ASF1430 bidirectional Mass Flow Meters

  The ASF1430 Mass Flow Meter enables extremely accurate bidirectional measurement of fast changing gas flow over four orders of magnitude. Its leading performance is based on SENSIRION's unsurpassed CMOsens ® sensor technology which combines a high precision sensor element with the amplification and A/D converter circuit on one single CMOS chip. 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 ASF1430 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 ASF1430 requires a supply voltage of 7…18Vdc and provides an RS-232 and SPI compliant electrical interface.

FEATURES

Total mass flow integrator. Data rates up to 200 Hz. Unique dynamic range: 0.01 sccm - 400 sccm. Outstanding resolution and accuracy. Calibrated & temperature compensated. RS-232 and SPI digital interface. Lowest detectable mass flow rate of 0.003 sccm (0.015 sccm standard,0.003 sccm available on request). Hysteresis and offset free. Ultra fast response time (down to 5 ms). Integrated temperature sensor. Linearized digital output signal. Wide supply voltage range. Low power consumption. CE-certified /FCC (CFR 47). Well suited for hostile environments.

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