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CalFlo CFHM Low Flow Thermal Mass Flow Meter

CalFlo CFHM Low Flow Thermal Mass Flow Meter

The CalFlo CFHM is a self-contained, thermal mass liquid flow meter that is ideal for measurement and control applications. The CalFlo CFHM is ideal for monitoring low flow rates.


  • Chemical Dosing
  • Food & Beverage
  • Oil Lubrication Monitoring
  • Light to Medium Viscosity Fluids

Principle of Operation

The CFHM is field adjustable and provides a 4-20 mA output for flow rate. The hollow stainless steel tube acts as the sensing device and provides intrusion-free flow monitoring. Typical applications include chemical dosing, oil lubrication monitoring, food and beverage processing, light to medium viscosity fluids and a variety of other industrial applications. Select the appropriate configurations based on your application or contact our Application Specialist for additional assistance.

  • Compact, Rugged Industrial Design
  • Self-Contained Flow Meter
  • Ideal for Small Pipe Sizes
  • Non-Intrusive Sensing
  • Suitable for Liquids, Semi-Solids and a Wide Range of Corrosive Media
  • Field Adjustable With a 4-20 mA Output
  • No Moving Parts

Pressure: 435 psi (30 bar)
Service: Compatible Liquids
Repeatability: < 2% full scale
Supply Voltage: 24 VDC ± 10%
Consumption: 100 mA maximum
Output: 4-20 mA

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USA: +1 (888) 429-5538 AU: +61 (0)3 9873 4750