451112

User's Guide Vane Anemometer Model 451112 • Measures Air Velocity & Temperature • Degrees C/F switchable • 6 selectable units of measure • Data Hold function Introduction Congratulations on your purchase of Extech’s Vane Anemometer. This meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. Specifications General Specifications Display Measurement Data hold 0.7" (18mm) 3-1/2 digit (1999 count) LCD m/s (meters per second), km/h (kilometers per hour), ft/min (feet per minute), knots (nautical miles per hour), Temp. °C/°F Freezes present value on display when selected Sensor Structure Air velocity sensor: Conventional twisted vane arm with balanced, low-friction ball-bearing design Temperature sensor: Thermister Ambient Power Supply Power Current Weight Dimensions 32 °F to 122 °F (0 °C to 50 °C);