CalFlo™ CFVF, Flocorp-Thermal Mass Liquid Flow Meter

CalFlo™ CFVF Thermal Mass Liquid Flow Meter

Flow measurement provides a variety of application-specific challenges because each has individual measurement requirements, restrictions, piping considerations, etc. FLO-CORP’s experienced team is second-to-none when providing expert flow advice on the correct meters for your application. Our team will help you navigate through the selection process if you are not sure which meter to use. Technologies offered include variable area, positive displacement, ultrasonic, magnetic, mass, and open channel flow meters.

Accurate measurement in air conditioning, dust collection, ventilation, energy consumption, potable/non-potable water, acid, oil, gas, and other applications can be accomplished by CalFlo calorimetric flow meters. These meters are easy to install and their high-quality construction will withstand industrial use.

The CalFlo™ CFVF Thermal Mass Liquid Flow Meter is a great choice for a variety of measurement and control applications. Completely encapsulated in epoxy resin, the CFVF features solid-state sensing with proven reliability and long-term stability, even under the harshest environmental conditions. The CFVF has an adjustable measuring range, LED indication of flow, and is well-suited for pipes up to 16” in diameter. Typical applications include potable water, nonpotable water, deionized water, sulfuric acid, light oil, and diluted corrosive liquids.

Features and Benefits

  • Compact flow meter designed for industrial applications
  • Rugged Stainless Steel construction
  • High-accuracy with NO moving parts
  • Adjustable measuring range up to 6.5 fps
  • Suitable for pipes up to 16”
  • Easy to install


ServiceCompatible Liquids


Measuring Range

Continually adjustable from min. 0.25 to .65 fps to max. 0.25 to 6.5 fps
Pressure435 psi (30 bar)
Accuracy< 3%
Repeatability< 1%
Temperature Drift< 0.3% / K
Supply Voltage24 VDC ± 10%
ConsumptionApprox. 100-200 mA (max. flow)
Output4-20 mA
Resistive Load0-600 Ohm




Measurement Range Adjustment

The two potentiometers at the rear end of housing allow zero balancing and adjustment of the measuring range by means of a small screwdriver. A color changing LED signalizing flow within the adjusted measuring range (green) or above



Process Temperature

F: 14º to 176º C: -10º to 80º
Ambient Temperature

F: 14º to 140º

C: -10º to 60º

Enclosure RatingNEMA 4X (IP65)
Enclosure MaterialStainless Steel
Union Nut1” NPT
Weight5.64 oz (160 g)
Cable Jacket MaterialOilflex
Cable Length6.5’ (2m)

Download Datasheet: CalFlo™ CFVF Thermal Mass Liquid Flow Meter