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Alnor LoFlo

Available for hire

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The Alnor LoFlo balometer is the ideal way to measure very low volumetric flow. Confidently and accurately measure supply or extract flows from 4.7 to 236 l/s (17 to 850 m3 / h).

This light weight instrument is designed for domestic or light commercial use, and comes in three different variants with optional hood kits for different sized apertures.

Product Features

  • 3 model types
  • Range of accessories
  • Calibration options
  • Document downloads

Instrument product options

1. Select a model (3 available)

Continue to select accessories

2. Select accessories

3. Select a calibration



  • Includes a 406 mm x 406 mm, 200 mm tall hood
  • Weighs only 3 kg with the hood attached
  • 559 mm overall height with 406 mm x 406 mm hood
  • Simulated analog display shows air trends and digital readings
  • Uses 4x C size alkaline batteries; minimum 10 hours continuous use
  • For small diffusers, the base can be used without a hood


Important note : The Instrument Solutions hire models come as standard with the 406 mm x 406 mm and 610 mm x 610 mm hood assemblies.


Air velocity range      4.7 to 236 l/s (17 to 850 m3 / h)

Air velocity accuracy      ± 3 % + 2.4 l/s

Height      Base 394 mm, with 406 mm x 406 mm hood 559 mm and 610 mm x 610 mm hood 876 mm

Weight      3 kg with hood attached

Base opening diameter      338 mm diameter

Resolution      0.1 l/s from 4.7 to 9.9 l/s, 1 l/s from 10 to 236 l/s



Alnor LoFlo user manual

  • Technical Document
  • PDF file
  • 521 KB
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