Dwyer Instruments: Series SF2, Sight Flow Meter

SPDT or Pulse Output, Visual Flow Confirmation, Brass Body

The SERIES SF2 Sight Flow Transmitters combine visual confirmation of flow with a relay or pulse output. The SF2-1 offers a SPDT relay output and the SF2-2 offers a pulse output proportional to the rate of flow. The 4.5 to 24 VDC pulse output is compatible with most digital logic families.

SERIES SF2 Applications

  • Cooling and lubrication circuits
  • HVAC systems
  • Aggressive chemical metering
  • Batching systems


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