General Tools FW450 Flow Watch Water and Air Speed Anemometer, 2 to 93 mph

DISCONTINUED ITEM-Available Models: Anemometer/ Airflow Measurement

Ideal for making precise field measurements of water or air speed (flow rate).

• Displays instantaneous, maximum or average speed + instantaneous, maximum, or minimum temperature or wind chill
• Speed units: kmph, m/s, knots, mph, fps and cm/s
• Choice of temperature unit: °F or °C
• Backlit display
• Settable start and stop times (3 sec. to 24 hr. duration) in Average mode
• Lap Time (chronometer) function
• Aluminum bottom plate for tripod attachment
• Waterproof and weatherproof
• CE and RoHS approved
• Includes: Display unit; 20mm (0.79 in.) air impeller; 60mm (2.36 in.) water impeller; 1.2m (3.9 ft.) aluminum telescoping rod with 2m (6.6 ft.) cable; 100mm (3.9 in.) aluminum rod for use of the FW450 as a compact wind meter; Custom padded aluminum carrying case

• Air/Water Speed Measurement Range: 3 to 150 km/h (2 to 93 mph); 0 to 999 cm/sec in cm/sec mode
• Air/Water Speed Measurement Accuracy: ±2%
• Speed Measurement Resolution: 0.1 for all speed units except cm/sec (3 cm/sec)
• Temperature Measurement Range: -4° to 158°F (-20° to 70°C)
• Temperature Measurement Accuracy: ±0.38°F (±0.2°C)
• Temperature Measurement Resolution: 0.1°(F or C)
• Backlight Duration: 60 seconds
• Operating Temperature: -58° to 212°F (-50° to 100°C)
• Dimensions of Display Unit: 6.1 x 2.6 in. (155 x 65mm)
• Weight of Display Unit: 7.4 oz. (210g)
• Power Source: 2 “AA” batteries (included)