FastFlo™ 620S Air Flow Sensor

Featured Product from Sierra Instruments, Inc.


High-Performance Air Flow Sensors for Industrial Gas Mass Measurement

The FastFlo™ 620S – an insertion thermal air flow sensor that contains FastFlo® Sensor Technology and Smart Electronics – was designed to give you a highly reliable, responsive and affordable mass flow meter for light industrial applications where a NEMA 4X (IP65) enclosure is acceptable.

  • Accuracy is +/- 1.0% of full scale, 0.2% of full scale repeatability
  • NEMA 4X insertion mass air flow sensors measure air, nitrogen or any other inert gas
    with a fast, 200-millisecond response time
  • High-accuracy glass sensor technology
  • Buy online for fast delivery of in stock products. Available in 1, 2, 3, 4, inch schedule 40 pipe sizes

This airflow sensor – which includes a compact, versatile, microprocessor-based transmitter – integrates flow-range adjustments and meter validation and diagnostics, giving you the ability to “field-validate” your meter’s calibration.

Our digital communications solutions offer engineers and systems integrators, full industrial system integration and networking capability with Sierra's light industrial flow meters.  Digital communications solutions include: Modbus RTU. This flexibility of communication features offers turnkey solutions for integration of Sierra's vortex flow meters into any industrial automation system or application.

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