VF563 Series Blow-By Flow Meter

Measuring the flow rate of blow-by gases as they flow out of the crankcase vent is an effective way to monitor piston-ring sealing, lubricant performance, and crankcase ventilation systems. The VF563 is the flow meter of choice for measurement of crankcase blow-by gases in engine emissions testing applications.

J-TEC Associates Blow-By meters provide all the advantages of vortex shedding flow meters, in a design that is perfect for rugged applications, such as engine dynamometer testing.

The J-TEC design incorporates a small strut, which offers minimal flow restriction, for high accuracy over an extended range. Each meter is individually calibrated to NIST traceable standards.

J-TEC Blow-By flow meters have no moving parts, so they are rugged and trouble-free.

Benefits of the VF563

  • Easy to maintain

  • 40:1 turndown ratio
  • Continuous flow readings
  • High accuracy
  • Excellent repeatability
  • Minimal effect on engine performance during blow-by measurement
  • Low pressure drop

  • Drift-free performance

  • Excellent at low flow (down to 0.14 ACFM)

Specifications

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