Flocorp CalFlo™ CFAM thermal mass air flow meter


Flocorp CalFlo™ CFAM is an inline thermal mass air flow meter that will accurately measure and control a variety of gaseous media. Completely encapsulated in epoxy resin, CFAM features solid-state sensing, adjustable measuring range, LED output display, and is well-suited for small pipes up to 3/4” in diameter.

Typical applications include vent gas, wet stack gas, sample line flow, purge flow, nitrogen blanket flow, and many others. Select the appropriate configurations based on your application or contact our Application Specialist for additional assistance.

Flocorp CalFlo™ CFAM Features and Benefits

  • Compact, Rugged Industrial Design
  • Ideal for Small Pipe and Low Flow Applications
  • High-Accuracy with NO Moving Parts
  • Provides 4-20 mA Measurement
  • Features LED Output Display
  • Temperature Compensated
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Sensor Mechanical
Service Compatible Gasses Inline Sensor Pipe Material  

Stainless Steel



Measuring Range

CFAM-00: 0.25 to 16 fps (5 mps)

CFAM-01: 0.25 to 32 fps (10 mps)

CFAM-02: 0.25 to 65 fps (20 mps)

CFAM-03: 0.25 to 98 fps (30 mps)

Sensor Material Ceramic, platinum with overglaze

Enclosure Material



Measuring Range Adjustment Continually adjustable from 20% to 100%  of the special measuring range, 2 potentiometers (zero point range)
Connection Size 1/4”, 1/2”, 3/4”

Connection Type

Male NPT (Std.);

Special Connection (Optional)

Accuracy < 3%
Repeatability < 1% Electrical
Temperature Drift < 0.3% / K Supply Voltage 24 VDC ±15%
Process Temperature F: -4º to 158º C: -20º to 70º Consumption Approx. 800 mW to 1.3 W (at max. flow)
Ambient Temperature F: -4º to 158º C: -20º to 70º Output Current 4-20 mA
Loop Resistance 0-600 ohm
Pressure 140 psi (10 bar)
Protection Rating NEMA 4 (IP65)
Cable Jacket Material  


Approval CE
Cable Length 6.5 ft, 3-conductor 18 AWG

Download Datasheet: CalFlo™ CFAM Thermal Mass Air Flow Meter

Ref: Flo-corp.com

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