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Kestrel 3500 Pocket Wind Meter, waterproof

Name: Kestrel 3500 Pocket Wind Meter, waterproof
Brand: Kestrel
SKU: 0835
Price: 156.54 USD
Availability: OutOfStock

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SKU: 0835 Category: Weather Tags: Kestrel 3500 Pocket Wind Meter, waterproof Brand: Kestrel

Description
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Description

The Kestrel 3500 Wind Meter has the most functions of any Kestrel Meter in the 3000 series. The Kestrel 3500 measures temperature, wind speeds, barometric phenomena, pressure trends of up to 3 hours, and more. The Kestrel 3500 provides a complete range of weather measurements, but does not log accumulated data like the more high-tech weather meters of the Kestrel 4000 series. For those who need a full reading of only the latest weather information, the 3500 is the ideal Kestrel Meter.

The Kestrel 3500 Wind Meter has all the capabilities of the Kestrel 3000, plus:

Barometric Pressure
Pressure Trend
Altitude
Clock

In addition to the Kestrel 3500’s pressure trend indicator, it also has the advantage of altitude and barometric pressure measurement. With these features on hand at any time, the Kestrel 3500 becomes an ideal weather instrument for outdoor enthusiasts, sportsmen and women, and anyone else that will benefit from accurate and up to the second weather and barometric information.

For military professionals, the Olive Drab NV version of the Kestrel 3500 features a night-vision preserving backlight. Backlight incorporates optical filter to reduce overall brightness and minimize blue and green spectrum light to preserve night vision. (Note: This backlight appears soft greyish pink, not “red”, and is still in the visible spectrum, so is not compatible with night-vision equipment.)

The Kestrel 3500’s easy to use menu system scrolls through 9 different environmental measurement conditions. It has an external temperature sensor with a waterproof casing that allows you to gauge the temperature of water, snow, and the open air. The sensitive and user-replaceable impeller technology provides accurate wind speed info, and a hard slide-on case, lanyard, and battery are included.

The Kestrel 3500 accurately measures:

Wind Chill
Air, Water, and Snow Temperature
- Displayed in Fahrenheit or Celsius w/ accuracy of +/-1°
Current, Average, and Maximum Wind Speed
- Wind Speeds displayed in: Beaufort Wind Scale; Knots; MPH; KPH; or Feet Per Minute
Barometric Pressure
Pressure Trend
Altitude
Relative Humidity
Dewpoint Temperature
Wet Bulb Temperature
Heat Stress Index

In The Box

Manufacturer Specs

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	79 to 11,948 ft/min	1		79 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
	Air, water or snow temperature. Hermetically-sealed, precision thermistor mounted externally and thermally isolated (US Patent 5,939,645) for rapid response (fastest with airflow of 2.2 mph/1 m/s or greater). 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).
Pressure 1 second
	inHg	0.3 to 32.5 inHg	0.01	0.05 inHg	At 77.0 °F, 22.1 to 32.5 inHg
	hPa / mb	10.0 to 1100.0 hPa / mb	0.1	1.5 hPa / mb	At 25.0 °C, 750 to 1100 hPa / mb
	PSI	0.15 to 16.0 PSI	0.02	0.02 PSI	At 77.0 °F, 10.9 to 16.0 PSI
	Air pressure at the location. Adjustable reference altitude allows display of station pressure or barometric pressure corrected to MSL. Monolithic silicon piezoresistive pressure sensor with second-order temperature correction. Maximum error over temperature range 32 to158 °F (0 to70°C) and pressure range 600 to 1100hPa is ± 0.074 inHg ±2.5hPa. Pressure sensor may be recalibrated at factory or in field.
Altitude 1 second
	ft	-6000 to 30000 ft	1	50 ft	At 77.0 °F, <19,700 ft. Max error ± 98 ft
	m	-2000 to 9000 m	1	15 m	At 25.0 °C, <6,000 m. Max error ± 30 m
	Temperature compensated pressure (barometric) altimeter.
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
	Perceived temperature resulting from combined effect of wind speed and temperature. Caclulated 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 10 m above ground. (Specification temperature limits established by WCT Tables.)
Heat Index 1 second
	°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
	Perceived temperature resulting from the combined effect of temperature and relative humidity. Calculated based on 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
	Temperature to which the air must be cooled at a constant pressure for water vapor to condense into water. Calculated from temperature and relative humidity.
Wet Bulb Temperature 1 minute
	°F	-49.0 to 257.0 °F, 0.0 to 100.0 %RH, 8.86 to 32.48 inHg	0.1	3.6 °F	32.0 to 100.0 °F, 5.0 to 95.0% RH, 8.86 to 32.48 inHg, <19700 ft
	°C	-45.0 to 125.0 °C, 0.0 to 100.0 %RH, 300.0 to 1100.0 hPa	0.1	2.0 °C	0.0 to 37.8 °C, 5.0 to 95.0 %RH, -2000.0 to 9000.0 hPa, <6000 m
	Temperature indicated by a wet bulb psychrometer. Calculated from temperature, relative humidity and pressure.
Max/Avg Wind Speed	One-button clear and restart of Max Wind Gust and Average Wind measurement.
Display	Reflective 5 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.

Tech Specs

Test Equipment General Attributes
Product Height	1.25 IN
Product Length	6.30 IN
Product Width	6.20 IN
HTS/Schedule B Number	9026.10.4000
ECCN Number	EAR99
Country of Origin	United States
Shipping Height	1.25 IN
Shipping Length	6.30 IN
Shipping Width	6.20 IN

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Kestrel 3500 Pocket Wind Meter, waterproof

Description

In The Box

Manufacturer Specs

Tech Specs

Test Equipment General Attributes

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