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Micro Fluidic Mass Flow Meters for liquids


LIQUI-FLOW mini are very compact Liquid Flow Meters for ultra low flow ranges. The instruments operate on a thermal, thru-flow measuring principle, using a straight, duplex steel sensor tube with a very small internal volume (0,88 mm3, smaller on request). The instruments are particularly interesting to Life Sciences system integrators.

Lowest range 1,5 ... 75 mg/h
Highest range 12 ... 600 mg/h (fluids with thermal properties similar to IPA/H2O)

For higher flow ranges, Bronkhorst High-Tech offers the LIQUI-FLOW series. 
Ranges: 0,1 ... 5 g/h up to 0,4 ... 20 kg/h H2O-equivalent.

  • Features
  • Applications
  • Flow capacities
  • Documentation


  • Compact assembly ensures space efficiency
  • Thru-Flow measurement
  • Attitude insensitive
  • Fast and accurate measurement
  • Easy to clean due to negligible dead-volume
  • straight sensor tube reduces risk of clogging
  • Duplex Steel sensor (W1.4462)
  • High pressure rating 1000 bar (15000 psi), higher on request
  • Analog or digital (RS232)


  • (Bio)Medical laboratories
  • Food & Pharmaceutical industries (flavours, additives)
  • Analytical laboratories and systems (HPLC)
  • Flow chemistry using microreactors

Flow capacities (based on IPA or H2O equivalent)

Liquid Flow Meter Ranges
Series LM02 min. 1,5 ... 75 mg/h
max. 12 ... 600 mg/h


For more information see leaflet "LIQUI-FLOW mini series LM02"

Innovation award 2011 Microfluidic Liquid Flow Meter