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CalFlo CFAS Thermal Mass Air Flow Switch

Brand: Hawk Measurement Systems

The CalFlo CFAS Thermal Mass Air Flow Switch features a broad measuring range and LED output display. Ideal for small pipe and low flow applications, the CalFlo CFAS is a compact inline air flow switch that will accurately monitor a variety of gaseous media.
Features
  • Ideal for Small Pipe and Low Flow Applications
  • Rugged Industrial Design
  • Compact, No Additional Parts
  • Features LED Output Display
  • Temperature Compensated

Specifications

Measuring Range

  • 1.5 to 65 fps (0.5 to 20 mps)

Supply Voltage

  • 24 Vdc ± 15 %

Consumption

  • Approx. 100 - 200 mA (Max. Flow)

Switching Hysteresis

  • < 20 %

Repeatability

  • < 1 %

Environmental Protection

  • NEMA 4 (IP65)

Process Temperature

  • -20° to 70° C (-4° to 158° F)

Pressure

  • 140 psi (10 bar)

Certifications & Approvals

  • CE

Materials of Construction

  • Inline Sensor Pipe: Stainless Steel
  • Sensor: Ceramic, Platinum with Overglaze
  • Cable Jacket: Oilflex

Enclosure/Body Material

  • Enclosure: Makrolon

Connection Size

  • 5/16”, 1/2”, 3/4”

Connection Type

  • Female NPT (Std.)

Output

  • 400 mA

Cable Length

  • 6.5 ft, 3-conductor 18 AWG

  • Vent Gas 
  • Wet Stack Gas 
  • Sample Line Flow 
  • Nitrogen Blanket Flow

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