Kestrel 1000 Wind Meter

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Kestrel 1000 Wind Meter

Here's the one that started it all! Measuring wind is a breeze with the Kestrel 1000 pocket wind meter. We developed the Kestrel 1000 Pocket Wind Meter in 1995 when NK’s co-founder, Richard Kellerman, needed a reliable wind meter for flying his glider. Over 15 years later, it looks a little slicker, and it gives you the wind information you can count on with a simple, reliable and accurate pocket wind meter. The Kestrel 1000 wind meter can easily be switched between mph, km/h, ft/min, m/s, knots and Beaufort.

Product Description

Kestrel 1000 Wind Meter

Here’s the one that started it all! Measuring wind is a breeze with the Kestrel 1000 pocket wind meter. We developed the Kestrel 1000 Pocket Wind Meter in 1995 when NK’s co-founder, Richard Kellerman, needed a reliable wind meter for flying his glider. Over 15 years later, it looks a little slicker, and it gives you the wind information you can count on with a simple, reliable and accurate pocket wind meter. The Kestrel 1000 wind meter can easily be switched between mph, km/h, ft/min, m/s, knots and Beaufort.

Kestrel Weather & Environmental Meters are designed & manufactured in the U.S.A and are backed by our 5-year warranty. Innovatively designed for stability and accuracy in abrupt condition changes. Rugged and durable, Kestrels are drop tested, waterproof and designed to float if dropped in water.

Uses

  • Athletics
  • Aviation
  • Construction & HVAC
  • Fishing
  • Sailing & Boating
  • Wind Load Monitoring
  • Wind Surfing

Features Kestrel 1000 Wind Meter

  • 3-Button Control
  • Backlight blue white
  • Data Hold Function
  • Drop-Tested to MIL-STD-810G
  • Hard Slip-On Protective Cover
  • High Contrast, Sunlight Readable Monochrome LCD Display
  • Minimum/Maximum/Average Reading
  • Waterproof to IP67 (3’/1M for 30 minutes)

Specifications Kestrel 1000 Wind Meter

Sensors
Sensors 1
0
0
0
2
0
0
0
2
5
0
0
3
0
0
0
3
5
0
0
3
5
0
0
D
T
3
5
5
0
F
W
3
5
5
0
A
G
Accuracy
(+/-)*
Resolution Spec. Range Op. Range Notes
Wind Speed | Air Flow Larger of 3% of reading, least significant digit or 20 ft/min 0.1 m/s
1 ft/min
0.1 km/h
0.1 mph
0.1 knots
1 B*
0.1 F/S*
0.6 to 40.0 m/s
118 to 7,874 ft/min
2.2 to 144.0 km/h
1.3 to 89.5 mph
1.2 to 77.8 knots
0 to 12 B*
2-131.2 F/S*
0.6 to 60.0 m/s
118 to 11,811 ft/min
2.2 to 216.0 km/h
1.3 to 134.2 mph
1.2 to 116.6 knots
0 to 12 B*
2-196.9 F/S*
1 inch|25 mm diameter impeller with precision axle and low-friction Zytel® bearings. Startup speed stated as lower limit, readings may be taken down to 0.4 m/s | 79 ft/min | 1.5 km/h | .9 mph | .8 kt after impeller startup. Off-axis accuracy -1% @ 5º off-axis; -2% @ 10º; -3% @ 15º. Calibration drift < 1% after 100 hours use at 16 MPH | 7 m/s. Replacement impeller (NK PN-0801) field installs without tools (US Patent 5,783,753). Wind speed calibration and testing should be done with triangle on impeller located at the top front face of the Kestrel. *F/S only in Ballistics units. Beaufort not available in Ballistics units.
Ambient Temperature 0.9 °F
0.5 °C
0.1 °F
0.1 °C
-20.0 to 158.0 °F
-29.0 to 70.0 °C
14.0.0 to 131.0 °F
-10.0 to 55.0 °C
Hermetically sealed, precision thermistor mounted externally and thermally isolated (US Patent 5,939,645) for rapid response. Airflow of 2.2 mph|1 m/s or greater provides fastest response and reduction of insolation effect. Calibration drift negligible. Thermistor may also be used to measure temperature of water or snow by submerging thermistor portion into material — remove impeller prior to taking submerged measurements and ensure humidity sensor membrane is free of liquid water prior to taking humidity-based measurements after submersion.
Relative Humidity 3.0 %RH 0.1 %RH 5 to 95%
non-condensing
0 to 100% Polymer capacitive humidity sensor mounted in thin-walled chamber external to case for rapid, accurate response (US Patent 6,257,074). To achieve stated accuracy, unit must be permitted to equilibrate to external temperature when exposed to large, rapid temperature changes and be kept out of direct sunlight. Calibration drift +/- 2% over 24 months. Humidity sensor may be recalibrated at factory or in field using Kestrel Humidity Calibration Kit (NK PN-0802).
Pressure 1.5hPa|mbar
0.044 inHg
0.022 PSI
0.1 hPa|mbar
0.01 inHg
0.01 PSI
25°C/ 77°F
750-1100 hPa|mbar
22.15-32.48 inHg
10.88-15.95 PS
0.30 to 48.87 inHg
10.0 to 1654.7
hPa|mbar
0.14 to 24.00 PSI
and
14.0 to 131.0 °F
-10.0 to 55.0 °C
Monolithic silicon piezoresistive pressure sensor with second-order temperature correction. Pressure sensor may be recalibrated at factory or in field. Adjustable reference altitude allows display of station pressure or barometric pressure corrected to MSL. Kestrel 4200 displays station pressure on a dedicated screen. Kestrel 2500 and 3500 display continuously updating three-hour barometric pressure trend indicator: rising rapidly, rising, steady, falling, falling rapidly. Kestrel 4000 series displays pressure trend through graphing function. PSI display on Kestrel 4000 series only.
Compass
1/16th Cardinal
Scale
0 to 360° 0 to 360° 2-axis solid-state magnetoresistive sensor mounted perpendicular to unit plane. Accuracy of sensor dependent upon unit’s vertical position. Self-calibration routine eliminates magnetic error from batteries or unit and must be run after every full power-down (battery removal or change). Readout indicates direction to which the back of the unit is pointed when held in a vertical orientation. Declination/variation adjustable for True North readout.
Calculated Measurements
Measurement 1
0
0
0
2
0
0
0
2
5
0
0
3
0
0
0
3
5
0
0
3
5
0
0
D
T
3
5
5
0
F
W
3
5
5
0
A
G
Accuracy
(+/-)*
Resolution Spec. Range Sensors Employed Notes
Altitude typical:
23.6ft/7.2m
max:
48.2ft/14.7m
1ft
1m
typical:
750 to 1100 mBar
max:
300 to 750 mBar
Pressure User Input (Reference Pressure) Height above Mean Sea Level (“MSL”). Temperature compensated pressure (barometric) altimeter requires accurate reference barometric pressure to produce maximum absolute accuracy. Both accuracy specs corresponds to a reference pressure anywhere from 850 to 1100 mBar.
Barometric Pressure 0.07 inHg
2.4 hPa|mbar
0.01 inHg
0.1 hPa|mbar
Refer to Ranges for Sensors Employed Pressure User Input (Reference Altitude) Air pressure that would be present in identical conditions at MSL. Station pressure compensated for local elevation provided by reference altitude. Requires accurate reference altitude to produce maximum absolute accuracy
Delta T 3.2 °F
1.8 °C
0.1 °F
0.1 °C
Refer to Ranges for Sensors Employed Temperature
Relative Humidity
Pressure
Difference between dry bulb temperature and wet bulb temperature. When spraying, indicates evaporation rate and droplet lifetime. Safe range for pesticide spraying is 4 to 16 °F / 2 to 9 °C.
Dew Point 3.4 °F
1.9 °C
0.1 °F
0.1 °C
15 to 95 % RH
Refer to Range for Temperature Sensor
Temperature Relative Humidity Temperature that a volume of air must be cooled to at constant pressure for the water vapor present to condense into dew and form on a solid surface. Can also be considered to be the water-to-air saturation temperature.
Heat Index 7.1°F
4.0°C
0.1 °F
0.1 °C
Refer to Ranges for Sensors Employed Temperature Relative Humidity Perceived temperature resulting from the combined effect of temperature and relative humidity. Calculated based on NWS Heat Index (HI) tables. Measurement range limited by extent of published tables
Temperature Humidity Index – THI (NRC) 1.5°F
0.8°C
0.1 °F
0.1 °C
Refer to Ranges for Sensors Employed Temperature Relative Humidity
Temperature Humidity Index – THI (Yousef) 2.3°F
1.3°C
0.1 °F
0.1 °C
Refer to Ranges for Sensors Employed Temperature Relative Humidity
Wet Bulb Temperature – Psychrometric 1.6 °F
0.9 °C
0.1 °F
0.1 °C
Refer to Ranges for Sensors Employed Temperature
Relative Humidity
Pressure
Temperature indicated by a sling psychrometer. Due to nature of the psychrometric ratio for a water-air system, this approximates the thermodynamic wet-bulb temperature. The thermodynamic wet-bulb temperature is the temperature a parcel of air would have if cooled adiabatically to saturation temperature via water evaporating into it.
Wind Chill 1.6 °F
0.9 °C
0.1 °F
0.1 °C
Refer to Ranges for Sensors Employed Wind Speed
Temperature
Perceived temperature resulting from combined effect of wind speed and temperature. Calculated based on 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 10m above ground. Measurement range limited by extent of published tables.

 

Includes:

  • Battery – 1 x CR2032
  • Certificate Of Conformity (Spec Sheet)
  • Instructions
  • Lanyard
  • Protective Cover – Hard Slip-on

Kestrel 1000 – Manual


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