Flowatch Logo

Flowatch®

At a particularly competitive price, this device has been developed for use even in difficult conditions. Its various propellers offer measurement solutions in almost all cases, whether for measuring gas or liquid flows.

Flowatch Logo

Fields of application

River current measurement

River current measurement

Irrigation channels

Irrigation channels

Wastewater flows

Wastewater flows

Tidal flow

Tidal flow

Hydrological studies

Hydrological studies

Ventilation channels

Ventilation channels

Air conditioning and ventilation

Air conditioning

Chimney ducts

Chimney ducts

Aerological studies

Aerological studies

Flowatch® – Technical data

  • Speed ​​measurement in knots, mph, km/h, m/s, fps and cm/s
  • Air temperature
  • Perceived temperature
  • Maximum temperature
  • Average temperature
  • Minimum temperature
Speed ​​measurement – Standard size propeller
Units of measurementkm/h, m/s, cm/s, mph, fps, knots and Beaufort
Resolution0.1 for all units (except cm/s: 3 cm/s)
Maximum speed150 km/h (except cm/s: 999 cm/s)
Diameter (gas)Ø 20mm
Through holeØ 33mm
Range of measurementfrom 1 to 30 m/s
Minimum sensitivity< 3 km/h – < 1 m/s
Precision± 2% FS
‘Off-axis’ error± 30° / ± 3% FS
Operating temperature-50°C to +100°C
Speed ​​measurement – Small size propeller
Units of measurementkm/h, m/s, cm/s, mph, fps, knots et Beaufort
Resolution0.1 for all units (except cm/s: 3 cm/s)
Maximum speed150 km/h (except cm/s: 999 cm/s)
Diameter (gas)Ø 12mm
Through holeØ 18mm
Range of measurementfrom 1 to 30 m/s
Minimum sensitivity< 3 km/h – < 1 m/s
Precision± 2% FS
‘Off-axis’ error± 10° / ± 3% FS
Operating temperature-50°C to +100°C
Speed ​​measurement – Water propeller
Units of measurementkm/h, m/s, cm/s, mph, fps, knots and Beaufort
Resolution0.1 for all units (except cm/s: 3 cm/s)
Maximum speed150 km/h (except cm/s: 999 cm/s)
Diameter (gas)Ø 60mm
Range of measurementfrom 0.1 to 10 m/s
Minimum sensitivity< 0.3 km/h – < 0.1 m/s
Precision± 2% FS
‘Off-axis’ error± 20° / ± 3% FS
Temperature measurement
Units of measurement°C, °F, perceived °C and perceived °F
Thermometer accuracy± 0.2°C
Resolution± 0.1°C
Functionsmeasuring air, perceived, minimum, average and maximum temperature

Storage and travel case (kit 1)

Storage and travel bag (kit 2)

Telescopic aluminium probe, with 1.2-metre cable. Temperature sensor at the end of the probe. Total length of the probe: 1.2 metres (included in the kit).

Compact probe to use Flowatch as a handheld anemometer

Sonde compacte pour utiliser Flowatch comme anémomètre à main

Gas propeller Ø 20 mm, through hole Ø 33 mm (included in the kit)

Hélice gaz Ø 20 mm, trou de passage Ø 33 mm

Gas propeller Ø 12 mm, through hole Ø 18 mm

Hélice gaz Ø 12 mm, trou de passage Ø 18 mm

Water propeller Ø 60 mm (included in the kit)

Hélice eau Ø 60 mm

Probe with weighted propeller at the end of a 15-metre cable for measuring the speed of river or marine currents

Sonde avec hélice lestée au bout d’un câble de 15 mètres