Kestrel 2000 User Manual

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3) Select Operating Mode: Press and release [MODE] to change the operatingmode. You can select a different operating mode at any time.MAXMaximum3-SecondGust SincePower OnAVGAverageWind SpeedSincePower OnCurrentWindSpeed4) Select Measurement Scale: Hold down [ON] while pressing [MODE] to changethe measurement scale. You can select a different scale at any time.AirTemperatureWind ChillSPECIFICATIONSWind Speed FunctionsOperating Modes: Moving 3-second average ( ), maximum 3-second gust sincepower on (MAX) and average since power on (AVG).Units: Knots (KT), meters per second (M/S), kilometers per hour (KM/H), miles perhour (MPH), feet per minute (FPM) and Beaufort (B).On-axis Accuracy: greater of ± 3% or ± least significant digit.Off-axis Response: -1% @ 5°, -2% @ 10°, -3% @ 15°.Calibration Drift: < 2% after 100 hours use at 7 M/S [~14 KT, 25 KM/H, 16 MPH or1400 FPM].Minimum Speed: 0.3 M/S [~0.6 KT, 1.0 KM/H, 0.7 MPH or 59.0 FPM].Maximum Speed: 40 M/S [~78 KT, 144 KM/H, 89 MPH or 7877 FPM].Temperature and Wind Chill FunctionsOperating Modes: Temperature ( ), wind chill ( ).Units: Degrees Centigrade (°C) and degrees Fahrenheit (°F).Accuracy: ± 1.0°C.Minimum Temperature: -30°C [-22°F].Maximum Temperature: 70°C [158°F].DisplayType: Reflective 3½ digit LCD.Digit Height: 9 mm. [0.36 in.].Update: 1 second.Range and Resolution: Dependson measurement scale selected –see chart:Temperature Limitations: Normal operation from -15°C to 60°C [-4°F to 140°F].Below -15°C [-4°F], accurate readings may be taken by keeping the unit warmerthan -15°C [4°F] and exposing it for the minimum time necessary to take a reading(less than one minute).Auto Shutdown: 30 minutes after last key press.EnvironmentalButtons: Two sealed tactile rubber buttons control all functions.Battery: User-replaceable CR2032 coin cell. Typical life, 800 hrs.Sealing: Electronics enclosure IP67 – water resistant to 1 m. [3 ft.]. Floats.Shock: Drop tested to 2 m. [6 ft.].Storage Temperature: Prolonged exposure to temperatures below -20°C [-4°F] orabove 80°C [176°F] may cause permanent damage.PhysicalImpeller: 25 mm. [1 in.] diameter, sapphire bearings, light weight. User-replaceableimpeller/housing assembly.Temperature Sensor: Hermetically sealed precision thermistor.Case: Slip-on case prevents damage to display and moving parts.Dimensions: 122 x 42 x 14 mm. [4.8 x 1.7 x 0.6 in.]; case, 117 x 46 x 19 mm. [4.6 x 1.8x 0.7 in.]; lanyard, 0.5 m. [10 in.].Weight: Unit, 43 g. [1.5 oz.]; case, 23 g. [0.8 oz.].5) Measure wind speed, max and average: Simply point the unit into theair flow you wish to measure.Measure temperature and wind chill: The Kestrel’s temperature sensor islocated in the right opening below the impeller. Because it is external to thecase, you can take fast and accurate measurements by simply waving theunit rapidly back and forth OR holding it into an air flow of at least 1 M/S [2KT, 4 KM/H, 2 MPH or 197 FPM] and reading the display immediately. (The airflow ensures that the temperature sensormeasures the temperature of the air, not thecase.) Alternatively, you can take accuratereadings with no air flow by allowing the caseto reach the same temperature as thesurrounding air. (If the case is much warmeror cooler than the air, this can take up to 30minutes.)KTKnotsM/SMeters perSecondMPHMiles perHourKM/HKilometersper HourFPMFeet perMinute(x10)BBeaufortForce°CDegreesCentrigrade°FDegreesFahrenheit***NOTE***Select temperature orwind chill mode tochange degrees.The Kestrel turns itself offautomatically after 30 minutesof no button presses.Scale Range ResolutionKT, M/S, KM/HMPH, °C & °F 0.0-199.9 0.1FPM 0-1,999 12,000-19,990 10% 0-100 1Kestrel ®2000Pocket Thermo Wind MeterOPERATION1) Slide off Cover. 2) Turn On: Press [ON] to turn on unit.Wind Speed, Max & Avg Wind Speed, Temperature & Wind ChillNK

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