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Kestrel 3000 Pocket Wind Meter

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SKU: NEK-0830

$149.00

Availability: 2 available on Jul 28, 2014

  • Kestrel 3000 Pocket Wind Meter
  • Kestrel 3000 Pocket Wind Meter
  • Kestrel 3000 Pocket Wind Meter
  • Kestrel 3000 Pocket Wind Meter

Kestrel 3000 Pocket Wind Meter

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Overview

Kestrel 3000 Measures

  • Current Wind Speed
  • Maximum Wind Gust
  • Average Wind Speed
  • Air, Water & Snow Temperature
  • Wind Chill
  • Relative Humidity
  • Heat Stress Index
  • Dewpoint

Features

  • Protective cover with sure-grip overmolding
  • Data hold function
  • Large easy-to-read display with backlight
  • Waterproof and floats
  • Humidity sensor can be recalibrated in the field with the Relative Humidity Calibration Kit.
  • User-replaceable impeller
  • External temperature sensor
  • Patented Quick-Response RH Sensor
  • All instruments and accessories are completely assembled in the USA
  • 5-year warranty

Includes

  • A slip-on protective cover
  • Neck lanyard
  • CR2032 coin cell battery (Average life 300 hours)
  • Kestrel Certificate of Conformity

Specifications

Measurement
Response Time
Units Operational Range Resolution Accuracy (+/-) Specification Range
Wind Speed
1 second  
m/s 0.4 to 60.0 m/s 0.1 Larger of 3% of reading or least significant digit 0.4 to 40.0 m/s
ft/min 59 to 11,948 ft/min 1 59 to 7877 ft/min
km/h 1.0 to 218.0 km/h 0.1 1.0 to 144.0 km/h
mph 0.8 to 135.0 mph 0.1 0.8 to 89.0 mph
knots 0.6 to 118.3 kt 0.1 0.6 to 78.0 kt
Beaufort 0 to 12 B 1 0 to 12 B
1 inch diameter impeller with precision axle and sapphire bearings.  Off-axis accuracy -1% @ 5º off-axis; -2% @ 10º; -3% @ 15º.  Calibration drift < 1% after 100 hours use at 16 MPH / 7 m/s.  Sustained operation above 60 MPH / 27 m/s will wear impeller rapidly and may cause destruction of impeller.  Replacement impeller (NK PN-0801) may be field-installed without tools (US Patent 5,783,753).
Temperature 
 1 second
°F -49.0 to 257.0 °F 0.1 1.8 °F -20.0 to 158.0 °F
°C -45.0 to 125.0 °C 0.1 1.0 °C -29.0 to 70.0 °C
Measures air, water and snow temperature.  Thermally isolated, hermetically sealed, precision thermistor mounted externally (US Patent 5,939,645).  Calibration drift negligible.
Relative Humidity
1 minute 
%RH 0.0 to 100.0 % 0.1 3.0 %RH  5.0 to 95.0 % non-condensing
Polymer capacitive humidity sensor mounted in thin-walled chamber external to case for rapid, accurate response (US Patent 6,257,074).  (To achieve stated relative humidity accuracy, unit must be permitted to equilibrate to external temperature when exposed to large, rapid temperature changes and must be kept out of direct sunlight.)  Calibration drift +/- 2% over 24 months. Relative humidity may be recalibrated at factory or in field using Kestrel Humidity Calibration Kit (NK PN-0802).
Wind Chill  
1 second  
°F 0.7 to 135.0 MPH, -49.0 to 257.0 °F 0.1 1.8 °F 1.8 to 89.0 mph, -50.0 to 50.0 °F
°C 0.4 to 60.0 m/s, -45.0 to 125.0 °C 0.1 1.0 °C 0.4 to 40 m/s, -45.6 to 10.0 °C
Calculated from the primary measurements of wind speed and temperature.  Utilizes the NWS Wind Chill Temperature (WCT) Index, revised 2001, with wind speed adjusted by a factor of 1.5 to yield equivalent results to wind speed measured at 10 m above ground.  (Specification temperature limits established by WCT Tables.)
Heat Index  
1 minute  
°F 0.0 to 100.0 %RH, -49.0 to 257.0 °F 0.1 3.6 °F 70.0 to 130.0 °F, 0 to 100% RH
°C 0.0 to 100.0 %RH, -45.0 to 125.0 °C 0.1 2.0 °C 21.1 to 54.4 °C, 0 to 100 %RH
Calculated from the primary measurements of temperature and relative humidity.  Utilizes the NWS Heat Index (HI) tables.  (Specification temperature limits established by HI tables.) 
Dewpoint  
1 minute  
°F 0.0 to 100.0 %RH, -49.0 to 257.0 °F 0.1 3.6 °F -20.0 to 158.0 °F, 20.0 to 95.0% RH
°C 0.0 to 100.0 %RH, -45.0 to 125.0 °C 0.1 2.0 °C -29.0 to 70.0 °C, 20.0 to 95.0 %RH
Calculated from the primary measurements of temperature and relative humidity. Temperature to which the air would need to be cooled at a constant pressure to become saturated.
Max/Avg Wind Speed One-button clear and restart of Max Wind Gust and Average Wind measurement.
Display Reflective 3 1/2 digit LCD.  Digit height 0.36 in / 9 mm.
Display Update 1 second.
Display Backlight Aviation green electroluminescent backlight.
Operational Temperature Range
(LCD and Batteries)
The operational temperature range of the liquid crystal display and batteries is 14° F to 131° F / -10 °C to 55 °C. Beyond the limits of the operational temperature range, the unit must be maintained within range and exposed for minimum time necessary to take reading.
Storage Temperature -22 °F to 140 °F / -30 °C to 60 °C.
Auto Shutdown After 45 minutes of no key presses.
Certifications CE certified. Individually tested to NIST-traceable standards (written certificate of tests available at additional charge).  
Batteries CR2032, one, included. Average life, 300 hours of use, +/-depending on backlight use.
Environmental Waterproof (IP67 standard). Drop-tested (MIL.STD.810F; unit only. Substantial impact may damage replaceable impeller.).
Dimensions Unit 4.8 x 1.7 x 0.7 in / 122 x 42 x 18 mm.  Case 4.8 x 1.9 x 1.1 in / 122 x 48 x 28 mm.
Weight Unit 2.3 oz / 65 g.  Case 1.3 oz / 37 g.
Kestrel Meters are designed and manufactured at NK’s facility in Boothwyn, Pennsylvania, and are individually calibrated at the time of manufacture. Every Kestrel Meter comes with a Certificate of Conformity to document the unit’s accuracy—all Kestrel measurements are traceable to the National Institute of Standards and Technology, ensuring the highest level of reliability. Additional NIST Calibration and Certification services are available.
Descriptions

Nielsen Kellerman was the first to provide accurate relative humidity measurements from a hand-held weather meter, and the Kestrel 3000 features two patents on its humidity measuring sensors. A testament to the 3000’s accuracy: it’s become practically required equipment for wildland firefighters—users whose lives literally depend on the accurate weather data their Kestrel 3000 provides.

From the Kestrel 3000’s accurate relative humidity readings, it also calculates the dewpoint and heat stress index—important information to know when working or playing outdoors in hot and humid conditions.

Kestrel Wind Meters are used by NFL trainers to determine how frequently the athletes need to hydrate, and when the conditions are unhealthy for strenuous exercise.

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