"All measurements not available in all units". Accurate Wind Speed Readings with the Kestrel 1000 Handheld Anemometer Kestrel 1000 Meter Oct 31, 2020 Wind Speed is a critical reading to have for many people. -22.0 °F to 140.0 °F | -30.0 °C to 60.0 °C. Station pressure compensated for local elevation provided by reference altitude. Kestrel Australia is independent from the manufacturer of Kestrel instruments and uses this business name under license. If the humidity sensor housing (located above the rear label) is wet, the Kestrel cannot take an accurate humidity reading. Additionally, NV backlights are also much dimmer than a standard backlight, making it more difficult to detect with the naked eye in night operations. Kestrel Weather & Environmental Meters are designed & manufactured in the U.S.A and are backed by our 5-year warranty. Even a short burst of white, yellow, green or blue light “bleaches out” the rod cell photoreceptors in the eye and causes night blindness until the entire adaptation process can take place again. This ensures that the sensor measures the temperature of the air rather than the temperature of the case. Calibration drift +/- 2% over 24 months. The Kestrel 4000 Pocket Weather Meter was the baseline wind and weather meter in the Kestrel 4000 series.What set the 4000 and now 5000 series apart from the rest of the Kestrel … $194.00. It takes 30 to 45 minutes for the average eye to adapt to darkness and maximize night vision. We are the official Kestrel manufacturer (not an authorized dealer), and offer the lowest prices with free same-day shipping. Buy Kestrel KESTREL 3000 Rotary Vane 40m/s Max Air Velocity Air Velocity, Altitude, Dew Point, Heat Index, Pressure, . (NK recommends identifying your current altitude since it is constant.). Display updates every 1 second. It provides comprehensive environmental data on nine different measurements. Wind speed is highly dependent on surrounding obstructions such as buildings, yourself and the ground, with wind speeding up as it flows around and over obstacles and slowing down as it passes behind them. Certificate of Conformity for the Kestrel 1000-3500DT with SNs above 2262687, Product Safety and Warranty Kestrel 5000 Series, EMC DECLARATION OF CONFORMITY 2500, 2500NV, 3500, 3500NV, User Guide for the Kestrel 1000 , 2000 , 2500 & 2500 NV , 3000 , 3500 & 3500 NV , 3500 DT. Holding the unit off-axis by 5° will reduce accuracy by 1%, 10° will reduce accuracy by 2% and 15° will reduce accuracy by 3%. Reflective 5 digit LCD. Off-axis accuracy -1% @ 5º off-axis; -2% @ 10º; -3% @ 15º. As long as there is occasional wind the Kestrel has software that allows it to maintain an accurate WBGT reading despite being placed in direct sunlight. 5.0 out of 5 stars. These Kestrel wind meters are conveniently pocket-sized and deliver constant, immediate updates. Average rating: 0 out of 5 stars, based on 0 reviews. The Kestrel 1000 (0810) hand held anemometer wind meter is easy to use, robust, reliable and accurate. Designed and manufactured in the USA from US and imported components. This rugged and affordable meter provides a complete range of reliable weather measurements. If there is a strong breeze, just point the Kestrel into the wind. Unlike best practices for other measurements, WBGT is intended to be taken in direct sunlight. Calculates relative humidity, altitude, barometric pressure, pressure trends, heat index, wind chill, wind speed and more. ... 9500-B-1 LT Orion UltraSonic Anemometer … Replace the the impeller. Whenever you move your Kestrel Meter into a new environment wait until the primary sensor values have stabilized (Temperature, Humidity, etc.) This component is an arrow indicator that will indicate the trend of the previous 3 hours, even if the meter was off. With a simple three button operation the Kestrel … The wind speed displayed by the Kestrel Meter is a 3 second rolling average. Avoid covering the large humidity chamber opening on the case rear with your fingers. Both accuracy specs corresponds to a reference pressure anywhere from 850 to 1100 mBar. 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. ... New Listing Wind anemometer, wind meter, Kestrel 2000. wind speed for climbing, boating. If your unit has a pressure recalibration function, a new Barometric Pressure calibration value may be input. Designed to be your trouble-free companion, the Kestrel 3500 … Requires accurate reference altitude to produce maximum absolute accuracy. Light in the red spectrum does not cause this “bleaching out”, preventing night blindness and night vision fatigue. The Kestrel 3500 is a rugged, multi-function wind and weather meter that measures all the environmental variables, including wind speed, that you need to calculate accurate ballistic solutions and train your environmental insight at the range. Calibration drift < 1% after 100 hours use at 16 MPH | 7 m/s. Aviation green electroluminescent backlight. Kestrel weather meters are handheld weather stations and ballistics meters with anemometers to measure wind speed, temperature, and more. Kestrel 4200 displays station pressure on a dedicated screen. The Kestrel 3500 is the most powerful of the Kestrel 3000 series, measuring temperature, wind speeds, barometric phenomena and pressure trends for up to 3 hours or even longer if needed. Alternatively, if you have time, allow the Kestrel to rest where you want to measure the air temperature (NOT in your hand or in direct sunlight if there is no wind) until the case temperature equalizes with the air temperature. CE certified, RoHS and WEEE compliant. This allows the unit to provide a value that is more representative of the typical, ambient conditions but not capture peak speeds for instantaneous blasts of air. *F/S only in Ballistics units. Barometric Pressure vs. Station Pressure: What's the Difference? 00. And on … For the best experience on our site, be sure to turn on Javascript in your browser. , and is still in the visible spectrum, so is not compatible with night-vision equipment. For military, or any night-time use, the Olive Drab NV version of the Kestrel 3500 features a night-vision preserving backlight which helps in sustaining natural light. Kestrel 2500 and 3500 display continuously updating three-hour barometric pressure trend indicator: rising rapidly, rising, steady, falling, falling rapidly. Get every environmental condition in seconds with the affordable, reliable Kestrel 3500. The Kestrel 1000 pocket anemometer is the first and entry level of the Kestrel range, providing the user with accurate wind speed readings. Constructed from impact resistant and corrosion proof materials, the Kestrel 3500 anemometer is ideal for outdoor enthusiasts, engineers and even the emergency services. After a large change in environmental condition, this may take 15 minutes or more, with humidity potentially taking the longest. A Kestrel vane mount will isolate the Kestrel Meter from erroneous humidity influences and keep it oriented into the wind or air flow while taking measurements. Measures current wind speed, maximum wind speed and average wind speed. 2-axis solid-state magnetoresistive sensor mounted perpendicular to unit plane. Pre-Owned. The meteorological data provided by a single hand held Kestrel weather and wind speed meter used to require expensive equipment that took up a truckload of space. Free … Kestrel 1000 Description. Check out and compare all the basic models on the compare chart to see the differences. Keep all fingers below the finger groove and away from the chamber opening. We ship globally! Monolithic silicon piezoresistive pressure sensor with second-order temperature correction. Kestrel 3500. Height above Mean Sea Level ("MSL"). Kestrel-3500 - Waterproof Pocket Wind Meter. If there is no wind, swing the Kestrel around in a circle on its lanyard or rapidly wave it back and forth in hand. For best accuracy, ensure one of the three “arms” of the impeller housing is pointing straight up. Irrigation professionalsuse the Kestrel 3500 to ensure they are irrigating efficiently and the water they are dispersing is actually hitting their intended target, and not evaporating or blowing away. The Kestrel 3500 Weather Meter has all the capabilities of the Kestrel 3000, plus additional key features: In addition to the pressure trend indicator, the Kestrel 3500 also has the advantage of altitude and barometric pressure measurements. From environmental conservation, marine and ocean research to cave research and scientific expeditions, the Kestrel 3500 makes gathering real-time data simple. All sales are final on engraved products. 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. Even a short burst of white, yellow, green or blue light “bleaches out” the rod cell photoreceptors in the eye and causes night blindness until the entire adaptation process can take place again. If a high level of accuracy is required for measurements involving humidity, do not hold the unit while taking measurements. Current Price $194.00 $ 194. Kestrel Superbly compact and extremely lightweight – the Kestrel 3500 NV fits in almost any pocket. About Kestrel Weather Meters. Be sure to take measurements in the same solar/radiant heat environment as the people you are monitoring. Product Title KESTREL 3500 POCKET WEATHER METER - YELLOW. Kestrel 3500 The Kestrel 3500 measures temperature, wind speeds, barometric phenomena, pressure trends of up to 3 hours, and more. 14° F to 131° F | -10 °C to 55 °C Measurements may be taken beyond the limits of the operational temperature range of the display and batteries by maintaining the unit within the operational range and exposing it to the more extreme environment for the minimum time necessary to take reading. From Australia. Reflective 3 1/2 digit LCD. 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Browse our latest Anemometers offers. 4.8 x 1.9 x 1.1 in / 12.2 x 4.8 x 2.8 cm, 3.6 oz / 102 g (including slip-on cover). Calibration drift negligible. The Joy of Camping and Hiking with Kestrel Weather Meters, Monitoring Avalanche Conditions: Search and Rescue with Kestrel Weather Instruments, Using a Kestrel to Monitor and Understand the Environment Around You, Private Label Order Creates Job Opportunity at NK, Larger of 3% of reading, least significant digit or 20 ft/min. Kestrel 3500 Pocket Weather Meter / Digital Psychrometer Altimeter Anemometer Every Kestrel is designed and manufactured at NK’s (Nielsen-Kellerman) facility in Boothwyn, Pennsylvania … The Kestrel 3500 Pocket Weather Meter accumulates all weather data and barometric readings over a three-hour period even if the unit is switched off. 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. Page 5 … The Kestrel 3500 pocket weather meter is a rugged, multi-function wind and weather meter that measures all the environmental variables, including wind speed, that you need to calculate accurate ballistic solutions and train your environmental insight at the range. https://kestrelinstruments.com/kestrel-3500-pocket-weather-meter If your unit has a Humidity recalibration function, it can be returned to the factory or used with the Kestrel RH Calibration Kit to recalibrate its humidity readings. Do not take reading that rely upon humidity with the Kestrel meter lying flat – raise it into the air vertically or stand it on its base and orient it into the wind or air flow. The backlight incorporates optical filter to reduce overall brightness and minimize blue and green spectrum light to preserve night vision. If the sensor does become wet, shake the unit vigorously to remove the water, and then let it dry completely before use. For K1000-K3500 you would enter this by pressing both outside buttons. Perceived temperature resulting from combined effect of wind speed and temperature. Last one. (Kestrel 5200 Professional Environmental Meter) Kestrel Professional Meters can calculate a concrete evaporation rate (ACI 308) by combining a user input concrete temperature with measured air temperature, wind speed and relative humidity. Digit height 0.36 in / 9 mm. Some units have a dedicated “Pressure” screen which shows Station Pressure, the raw pressure reading straight from the sensor. Capturing an average can be particularly helpful when measuring ducts with registers or dimensionally uneven air flow. For the best experience on our site, be sure to turn on Javascript in your browser. Manual activation with auto-off. The Kestrel impeller housing can rotate in the unit. Battery life reduced by backlight use in 2000 to 3500 models. The Kestrel 3500 Weather Meter is designed as a full weather meter that has the ability to measure environmental variables such as temperature, wind speeds, barometric phenomena, pressure trends of up to 3 hours, and more. Yes. Then 4,923 FPM), the Kestrel will lose some accuracy due to wear of the pivot and bearings in feed the lanyard end through the large opening in the over and out the slot. Perfect for when you need to know everything that the weather is doing, but don’t need to log the data. before taking measurements that rely upon these values. Add 2 business days to all engraving orders. One reason your Kestrel may not be reading accurate ambient humidity is because of proximity to humidity sources such as your hand, your body or the ground. Using a Kestrel Vane Mount will ensure the unit is correctly oriented into the wind and measuring accurate wind speeds. For those in need of a full reading of the latest weather information, the 3500 is the ideal Kestrel Meter. 19 product ratings - Wind anemometer… Self-calibration routine eliminates magnetic error from batteries or unit and must be run after every full power-down (battery removal or change). Innovatively designed for stability and accuracy in abrupt condition changes. Free Next Day Delivery available. To measure an average Evaporation Rate, scroll right from the Evaporation Current Measurement Screen to the Min/Ave/Max Screen and press select to manually start and stop a capture. Kestrel LiNK Wireless Dongle for PC or Mac, Kestrel 5 Series Wirelessly transfer data logs and update firmware via Bluetooth® low energy with this handy wireless USB dongle. It utilises high precision Zytel° bearings and a lightweight … Can also be considered to be the water-to-air saturation temperature. This rugged and affordable meter provides a complete range of reliable weather measurements. It has an external temperature sensor with a waterproof casing that allows you to gauge the temperature of water, snow, and the open air. Accuracy of sensor dependent upon unit's vertical position. If the Reference Barometric pressure value is incorrect, the Altitude reading will also be incorrect. Differences in the reflectivity of ground surfaces such as grass or asphalt will impact measurements. Perceived temperature resulting from the combined effect of temperature and relative humidity. MIL-STD-810g, Transit Shock, Method 516.6 Procedure IV; unit only; impact may damage replaceable impeller. Average life, 300 hours. Humidity sensor may be recalibrated at factory or in field using Kestrel Humidity Calibration Kit (NK PN-0802). Concrete mix temperature is generally measured with a probe or infrared thermometer and should be read at the time of making the evaporation rate measurement After inputting the mix temperature, hold the unit vertically, approximately 20 inches above the surface of the concrete while facing the rear of the unit directly into the wind. Free shipping & free returns on KestrelMeters.com. As is typical with humidity sensors, it is possible for the humidity sensor in the Kestrel to drift over time as described in the spec sheet. The highly sensitive and user-replaceable impeller technology provides accurate wind speed info. When you’re done, slip on the hard cover and your Kestrel 3500 … Rugged, simple and accurate wind speed, temperature, humidity, and pressure meter. Beaufort not available in Ballistics units. 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. Today, Kestrel … Get every environmental condition in seconds. If the sensor comes in contact with salt water, rinse it thoroughly with clean water, then shake it and allow it to dry. The dongle cannot be used … If a high level of accuracy is required, using a Kestrel vane mount on a leveled tripod for calibration and measurement can eliminate error. 1 inch|25 mm diameter impeller with precision axle and low-friction Zytel® bearings. Kestrel Australia owns and operates. Temperature indicated by a sling psychrometer. The Barometric Pressure measurement (Baro) displays the local Barometric Pressure using the Station Pressure measurement adjusted to the local altitude using the Reference Altitude value input by the user. Measurement range limited by extent of published tables. If the batteries are changed, the arrow will show just the current trend, not historical. Firefighters might want to take a look at the Fire Compare Chart and consider the new 3500FW. Enter this reference altitude on the barometric pressure screen. Hold the back of the unit directly into the wind. The Kestrel 3500 … Take note of the updated barometric pressure that is shown. To avoid inaccurate Evaporation Rate readings due to thermal loading it is best to shade the Kestrel. A hard slide-on case, lanyard, and battery are also included. Use this updated barometric pressure as your reference pressure on the altitude screen. In addition to the Kestrel 3500's pressure trend indicator, it also has … If the Reference Altitude value is incorrect, the Barometric Pressure reading will also be incorrect. Kestrel 4000 series displays pressure trend through graphing function. Kestrel Professional Meters can calculate air flow through a duct by combining user input information about the size and shape of the duct with the measured air velocity. The Kestrel 3500 provides comprehensive environmental measurements with the simplicity of the Kestrel 1000. Get all the latest information on Events, Sales and Offers.Sign up for newsletter today. 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. By spending an equal amount of time at each measurement location and quickly moving between measurement locations, the average air flow measurement can provide a more accurate measure of the air flow in the duct. For more info check out our YouTube video on Setting Reference Pressure and Reference Altitude on the Kestrel 4000 series! All pressure and altitude measurements are made using the pressure sensor. Ensure the Kestrel is oriented into the wind and able to measure the full wind value. The Kestrel 3500 Weather Meter is designed as a full weather meter that has the ability to measure environmental variables such as temperature, wind speeds, barometric phenomena, pressure trends of … Read more. When calibrating and when using the compass, it is important to hold the unit as vertically as possible. Individually tested to NIST-traceable standards (written certificate of tests available at additional charge). The ACI recommends taking a 6-10 second average of the evaporation rate to account for fluctuating wind speeds. Take measurements at least 3 feet off the ground and in the same wind or air flow conditions as the people you are monitoring. The full Kestrel range is available on request. Designed to be your trouble-free companion, the Kestrel 3500 comes with a hard, rubberized slip-on cover that protects the display and impeller, even when tossed in your range bag or pack. Safe range for pesticide spraying is 4 to 16 °F / 2 to 9 °C. With these features on hand at anytime, the Kestrel 3500 becomes an ideal weather instrument for outdoor enthusiasts, sportsmen and sportswomen, and anyone else that will benefit from accurate and up to the second weather and barometric information. Declination/variation adjustable for True North readout. Field Humidity Calibration/Correction Routine, High Contrast, Sunlight Readable Monochrome LCD Display, Temperature Sensor (Patented External Isolated), Waterproof to IP67 (3'/1M for 30 minutes), Start with a known; either current barometric pressure or current altitude.