Measure rivers flows Irrigation canals Ocean flows Air conditioning conduits Sewage flows Ventilation shafts Hydrological studies Aerological studies Chimney flues Specification Flowatch FL-03 Current Meter Flow Speed Measurements Regular size windspeed impeller Diameter Ø 20 mm, hole diameeter Ø 33 mm Minimum sensitivity ‹ 3km/h – ‹ 1m/s Precision +/-2% “off-axis ” error: +/-30° / +/-3% Operating temperature -50°C à +100°C Small size windspeed impeller Diameter Ø 12 mm, hole diameter Ø 18 mm Minimum sensitivity ‹ 3km/h – ‹ 1m/s Precision +/-2% “off-axis ” error +/-10° / +/-3% Operating temperature -50°C to +100°C Water impeller Diameter Ø 60 mm Minimum sensitivity ‹ 0.3km/h – ‹ 0.1m/s Precision +/-2% “off-axis ” error +/-20° / +/-3% Selectable units knots, mph, km/h, m/s, fps et cm/s Speed resolution 0.1 for all units (except in cm/s: 3cm/s) Functions Current, minimum, average, maximum temperature and windchill factor Temperature Selectable units °C, °F, °C felt and °F felt Precision Thermometer +/- 0.2°C Resolution of the thermometer +/- 0.1°C Functions Ambient temperature measurement, felt, minimum, average and maximum

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