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Kestrel 2500 Pocket Weather Meter (Anemometer)
Features Include: Current Wind Speed, Maximum Wind Gust, Average Wind Speed, Air, Water & Snow Temperature, Wind Chill, Barometric Pressure & Altitude!
PN# 0825

We are an Authorized NK Kestrel Dealer!
Our price for this product is the lowest NK allows it's dealers to sell it for. Anyone claiming to be a dealer who advertises this item or accepts best offers lower than our price is most likely not a Kestrel dealer.
Thank you!

5-year warranty!

Made in the USA!

The Kestrel 2500 takes the great features of the Kestrel 2000 and adds in a pressure sensor. A three-hour pressure trend indicator helps you predict fish and wildlife activity and know when the weather's going to turn nasty. With its easy-to-use digital pressure altimeter, you have the perfect instrument for any outdoor activity.

In addition to predicting weather activity, barometric pressure also influences a bullet’s trajectory, which is why the Kestrel 2500 is used by shooters and hunters when accuracy is important. US Olympic Rifle Champion Shooter Lones Wigger wouldn’t trust any other instrument. “The Kestrel Meter is essential for target rifle shooting. It helps me win matches, and I rely on it for accurate weather information.”

Certified and Guaranteed Accuracy
Every single Kestrel manufactured at Nielsen-Kellerman is calibrated for every single value, either directly against NIST-traceable standards or against an intermediary standard that is calibrated daily. Every unit is shipped with a FREE Certificate of Conformity that states what calibrations were performed, and the certified performance specifications.

What does that mean for the customer?
They can be absolutely sure that their weather readings are accurate to the stated specifications. Some competing weather instruments claim the same specifications as Kestrel, but only Kestrel certifies their accuracy. What does that mean for the customer? They can be absolutely sure that their weather readings are accurate to the stated specifications. Some competing weather instruments claim the same specifications as Kestrel, but only Kestrel certifies their accuracy.

Kestrel 2500 Measures

Current Wind Speed
Maximum Wind Gust
Average Wind Speed
Air Temperature
Water Temperature
Snow Temperature
Wind Chill
Barometric Pressure
Altitude

Kestrel 2500 Includes

A slip-on protective cover
Neck lanyard
CR2032 coin cell battery (Average life 300 hours)
Note: Batteries not included with international shipments due to transportation regulations.
Kestrel Certificate of Conformity

Kestrel 2500 Features

Real-time clock
Protective cover with sure-grip overmolding
Data hold function
Large easy-to-read display with backlight
Waterproof and floats
Innovative design for stability and accuracy in abrupt condition changes
Patented user-replaceable impeller
Quick response, external thermistor
High precision pressure sensor
Reliable, portable and easy to use
All instruments and accessories are completely assembled in the USA
5-year warranty

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	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	0.1		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.
Pressure 1 second (mb & PSI 4000 model only)	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	0.01	0.02 PSI	At 77.0 °F, 10.9 to 16.0 PSI
	Monolithic silicon piezoresistive pressure sensor with second-order temperature correction. Maximum error over temperature range 32 to 158 °F (0 to 70°C) , +/- 0.06 inHg / +/-2.0 hPa. Calibration drift typically -0.03 inHg / -1.0 hPa per year. 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
	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.)
Max/Avg Wind Speed	One-button clear and restart of Max Wind Gust and Average Wind measurement.
Pressure Trend	Continuously updating three-hour barometric pressure trend indicator: rising rapidly, rising, steady, falling, falling rapidly.
Display	Reflective 4 digit LCD. Digit height 0.36 in / 9 mm.
Display Update	1 second.
Display Backlight	Aviation green electroluminescent backlight.
Clock / Calendar	Real-time hours:minutes clock.
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.

Every item we list on ebay is brand new and in our inventory. As we are a Factory Authorized Kestrel Dealer, every one of our Kestrel's includes a full factory warranty and a certificate of conformity.

Thank You for your interest!