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TSI / Airflow LCA 301

Available for hire

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The TSI / Airflow LCA301 is a light weight, robust, and simple to use 100mm diameter rotating vane anemometer that provides accurate and reliable readings every time. Ideal for HVAC commissioning at grilles, ducts, and diffusers; the LCA301 displays readings in metric or imperial mode. Features include:

- Reversible 100mm head for supply and extract grills
- Calculates volumetric flow rate
- Compatible with Aircone flow hoods
- No density correction factor required
- Automatic averaging of air velocity

Product Features

  • 2 model types
  • Range of accessories
  • Calibration options
  • Document downloads
  • Instrument FAQs

Instrument product options

1. Select a model (2 available)

Continue to select accessories

2. Select accessories

3. Select a calibration



The LCA301 product can be supplied with an optional rectangular and circular aircone kit which turns the instrument into an air volume balancing tool.


Velocity measurement range 0.25 to 30 m/s

Temperature range 0 to 60 °C

Volumetric flow rate 1 - 999999 l/s 1 - 999999 m3/h 0.01 – 3000 m3/s

Velocity display resolution 0.01 m/s

Temperature display resolution 0.1 °C

Velocity accuracy ±1% reading ±0.02m/s

Volumetric flow accuracy None stated by manufacturer

Temperature accuracy ±1 °C

Storage temperature -10 to 60°C

Operating temperature 0 to 60°C

Power source 9-volt battery and battery life approximately 40 hours continuous use

Dimensions(LWD) 280 mm × 112 mm × 65 mm

Weight 275 g (excluding battery)



TSI / Airflow LCA301 & LCA501 data sheet

  • Technical Document
  • PDF file
  • 1 MB

TSI / Airflow LCA301 user manual

  • Technical Document
  • PDF file
  • 351 KB



Can you provide the LCA301 with an extension to the handle ?


No. If an extended handle is required this option is available on the LCA501 model.


Can different duct profiles be entered on the instrument when it is used to measure volumetric flow ?


Yes, you can enter measurements for square, rectangular as well as circular duct profiles via the menu screens to establish volumetric flows.

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