FW450 is an accurate measurement device for water flow and air speed, as well as temperature. The Flowatch is water proof, has a backlight, and can be set to measure an average speed between 3 seconds and 24 hours.

• Instant speed, wind or water.
• Speed units: km, h, m/s, knots, mph, fps and cm/s.
• Maximum & average speed.
• Minimum and maximum temperature.
• Selectable averaging period from 3 seconds to 24 hours.
• Backlit 4-line LCD with 0.4 in. (10mm) high digits.
• Completely waterproof and weatherproof.
• Battery indicator.
• Engineered in Switzerland.
• CE and RoHS approved.
• 1/4" base for tripod attachment.

FLOW RATE:

• Balanced impeller.
• The impeller is magnetized, producing a magnetic field when rotating which is passed through the cable to the display unit.
• Records maximum and average flow speed.

TEMPERATURE:

• Temperature adjusts quickly.
• Temperature is read at the end of the rod.
• Water temperature is read as well.
• Records maximum and minimum temperatures.

Specifications:

• Flow rate range: 2 to 93 mph (0.3 to 150 km/h).
• Resolution: 0.1 unit.
• Accuracy: within 98% plus 1° either way.
• Temperature range: -4°F to 158°F (-20°C to 70°C).
• Resolution: 0.1°.
• Accuracy: within 0.38°F (0.2°C).
• Power Source: (2) AA batteries (included).
• Dimensions: 2.5" x 2.5" x 6.1" (65 x 65 x 155 mm).
• Weight: 8.3 oz (235g).
• Operating temp: -58° to 212°F (-50° to 100°C).

• Flowatch handheld display unit.
• 60mm diameter water impeller.
• 20mm diameter air impeller.
• Aluminum telescopic rod: 3.9 feet (1.2m).
• 6.6 foot (2m) cable.
• Soft-shell padded case with zipper.

• 12mm diameter FloWatch Air Impeller (FW450-12).
• FloWatch Hanging Water Current Sensor with 15m Cable (FW450-50).