kestrel 3500 anemometer

It takes 30 to 45 minutes for the average eye to adapt to darkness and maximize night vision. Wind speed calibration and testing should be done with triangle on impeller located at the top front face of the Kestrel. Beaufort not available in Ballistics units. 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%. 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). When calibrating and when using the compass, it is important to hold the unit as vertically as possible. ... 9500-B-1 LT Orion UltraSonic Anemometer … Check out and compare all the basic models on the compare chart to see the differences. Take note of the updated barometric pressure that is shown. Perfect for when you need to know everything that the weather is doing, but don’t need to log the data. 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. 1 watchers. Digit height 0.36 in / 9 mm. 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. Traversing consists of dividing the area of the duct into evenly sized sections and averaging the air flows at the center of all sections. 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. Constructed from impact resistant and corrosion proof materials, the Kestrel 3500 anemometer is ideal for outdoor enthusiasts, engineers and even the emergency services. If the Reference Barometric pressure value is incorrect, the Altitude reading will also be incorrect. Get all the latest information on Events, Sales and Offers.Sign up for newsletter today. For the best experience on our site, be sure to turn on Javascript in your browser. Calibration drift < 1% after 100 hours use at 16 MPH | 7 m/s. In addition to reading the instantaneous Air Flow off the main measurement screen, a more accurate result may be obtained by capturing an average air flow on the Min/Ave/Max screen while traversing the duct. Split second decisions in the field leave no time for guesswork. All pressure and altitude measurements are made using the pressure sensor. Buy Kestrel KESTREL 3000 Rotary Vane 40m/s Max Air Velocity Air Velocity, Altitude, Dew Point, Heat Index, Pressure, . 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. The Kestrel 3500 also offers Barometric Trend. We ship globally! (Be sure the source of shade is not obstructing the wind speed measurement.) Free … If the Reference Altitude value is incorrect, the Barometric Pressure reading will also be incorrect. We are the official Kestrel manufacturer (not an authorized dealer), and offer the lowest prices with free same-day shipping. Due to nature of the psychrometric ratio for a water-air system, this approximates the thermodynamic wet-bulb temperature. * NOTE: Accuracy calculated as uncertainty of the measurement derived from statistical analysis considering the combined effects from primary sensor specifications, circuit conversions, and all other sources of error using a coverage factor of k=2, or two standard deviations (2Σ). Ensure the Kestrel is oriented into the wind and able to measure the full wind value. 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. Capturing an average can be particularly helpful when measuring ducts with registers or dimensionally uneven air flow. Some units have a dedicated “Pressure” screen which shows Station Pressure, the raw pressure reading straight from the sensor. Light in the red spectrum does not cause this “bleaching out”, preventing night blindness and night vision fatigue. Get every environmental condition in seconds with the affordable, reliable Kestrel 3500. Sign up through their website, www.id.me and the discount will be available during the checkout process. item 1 Kestrel 3500 Waterproof Pocket Anemometer Weather Meter 0835 - Authorized Dealer 1 - Kestrel 3500 Waterproof Pocket Anemometer Weather Meter 0835 - Authorized Dealer. One-button clear and restart of Max Wind Gust and Average Wind measurement. The backlight incorporates optical filter to reduce overall brightness and minimize blue and green spectrum light to preserve night vision. This rugged and affordable meter provides a complete range of reliable weather measurements. Hold the back of the unit directly into the wind. With a simple three button operation the Kestrel … All Kestrel Meters are Designed & Built in the USA and backed with a 5-year warranty. Kestrel Australia is independent from the manufacturer of Kestrel instruments and uses this business name under license. Readout indicates direction to which the back of the unit is pointed when held in a vertical orientation. Free shipping & free returns on KestrelMeters.com. If this value was not taken from a verified source (a local airport or weather station) with the Kestrel being calibrated at the same location as the reference device, pressure related measurements may be incorrect. Additionally, NV backlights are also much dimmer than a standard backlight, making it more difficult to detect with the naked eye in night operations. Station pressure compensated for local elevation provided by reference altitude. Rugged and durable, Kestrels are drop tested, waterproof and designed to float if dropped in water. "All measurements not available in all units". 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. 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 1000 pocket anemometer is the first and entry level of the Kestrel range, providing the user with accurate wind speed readings. Polymer capacitive humidity sensor mounted in thin-walled chamber external to case for rapid, accurate response (US Patent 6,257,074). Reflective 3 1/2 digit LCD. (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. Temperature indicated by a sling psychrometer. 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. (Note: This backlight appears soft greyish pink, not "red", and is still in the visible spectrum which makes it not compatible with night-vision equipment.). Monolithic silicon piezoresistive pressure sensor with second-order temperature correction. Kestrel Weather & Environmental Meters are designed & manufactured in the U.S.A and are backed by our 5-year warranty. Today, Kestrel … Manual activation with auto-off. Split second decisions in the field leave no time for guesswork. 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 … Data hold feature, clock and backlit display for night time use. Display updates every 1 second. Accuracy of sensor dependent upon unit's vertical position. Use this updated barometric pressure as your reference pressure on the altitude screen. When changing environments (such as moving form an air conditioned room to outdoors or removing the unit from your pocket) the unit requires between 8-15 minutes to equilibrate to its surroundings before taking readings. $381.96. Height above Mean Sea Level ("MSL"). If the sensor does become wet, shake the unit vigorously to remove the water, and then let it dry completely before use. Requires accurate reference altitude to produce maximum absolute accuracy. Hermetically sealed, precision thermistor mounted externally and thermally isolated (US Patent 5,939,645) for rapid response. JavaScript seems to be disabled in your browser. Pressure sensor may be recalibrated at factory or in field. https://kestrelmeters.com/products/kestrel-3500-weather-meter 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. After a large change in environmental condition, this may take 15 minutes or more, with humidity potentially taking the longest. For more info check out our YouTube video on Setting Reference Pressure and Reference Altitude on the Kestrel 4000 series! , and is still in the visible spectrum, so is not compatible with night-vision equipment. Average life, 300 hours. Calibration drift negligible. Kestrel Australia owns and operates. https://kestrelinstruments.com/kestrel-3500-pocket-weather-meter For best accuracy when taking temperature measurements you must keep the air moving around the temperature sensor and keep the Kestrel out of prolonged, direct sunlight. Calculates relative humidity, altitude, barometric pressure, pressure trends, heat index, wind chill, wind speed and more. Manual activation with auto-off. These Kestrel wind meters are conveniently pocket-sized and deliver constant, immediate updates. 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. Choice of aviation green or visible red (NV models only) electroluminescent backlight. For the best experience on our site, be sure to turn on Javascript in your browser. Replace the the impeller. If the sensor comes in contact with salt water, rinse it thoroughly with clean water, then shake it and allow it to dry. Rugged, simple and accurate wind speed, temperature, humidity, and pressure meter. 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 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. When you’re done, slip on the hard cover and your Kestrel 3500 … Kestrel Superbly compact and extremely lightweight – the Kestrel 3500 NV fits in almost any pocket. Buy It Now +$35.81 shipping. The ACI recommends taking a 6-10 second average of the evaporation rate to account for fluctuating wind speeds. The Kestrel 3500 weather meter is a pocket sized rotating vane anemometer … It has an external temperature sensor with a waterproof casing that allows you to gauge the temperature of water, snow, and the open air. If there is a strong breeze, just point the Kestrel into the wind. 5.0 out of 5 stars. The Kestrel 3500 provides comprehensive environmental measurements with the simplicity of the Kestrel 1000. Taking readings with the Kestrel in your hand or over your body can raise relative humidity by 5% or more. Yes. 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. 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. 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. Read more. The Kestrel 3500 weather meter is a pocket sized rotating vane anemometer with built-in temperature, humidity and barometric pressure sensors. Page 5 … Pre-Owned. Differences in the reflectivity of ground surfaces such as grass or asphalt will impact measurements. Kestrel weather meters are handheld weather stations and ballistics meters with anemometers to measure wind speed, temperature, and more. Shop Kestrel 3500 wind meters for sale with Scientific Sales! To obtain an accurate barometric pressure or altitude readings, you must first know EITHER your location’s current barometric pressure OR your current altitude. It has three buttons below the display, making operation simple … Skip to the beginning of the images gallery. For K1000-K3500 you would enter this by pressing both outside buttons. If your unit has a pressure recalibration function, a new Barometric Pressure calibration value may be input. *F/S only in Ballistics units. If a high level of accuracy is required for measurements involving humidity, do not hold the unit while taking measurements. If the batteries are changed, the arrow will show just the current trend, not historical. The dongle cannot be used … CE certified, RoHS and WEEE compliant. Kestrel 2500 and 3500 display continuously updating three-hour barometric pressure trend indicator: rising rapidly, rising, steady, falling, falling rapidly. The Kestrel 5000 Weather Station is a complete standalone Weather Monitoring Unit which is capable of logging environmental conditions over long periods without operator presence. Requires optional PC interface (USB or RS-232) or Bluetooth data transfer option and provided software. Call 800-784-4221 or order your Kestrel … Current Price $194.00 $ 194. 1 inch|25 mm diameter impeller with precision axle and low-friction Zytel® bearings. 2-axis solid-state magnetoresistive sensor mounted perpendicular to unit plane. Designed to be your trouble-free companion, the Kestrel 3500 … Coin cell battery and lanyard … Avoid covering the large humidity chamber opening on the case rear with your fingers. 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. 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. Average rating: 0 out of 5 stars, based on 0 reviews. Brand New. Even in an open area, Wind speed will be slower near the ground so ensure you are taking measurements at an appropriate height for your application. Data Upload & Bluetooth® Data Connect Option. 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. 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. The Kestrel 3500's easy to use menu system scrolls through 9 different environmental measurements. Enter this reference altitude on the barometric pressure screen. 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. To avoid inaccurate Evaporation Rate readings due to thermal loading it is best to shade the Kestrel. Unlike best practices for other measurements, WBGT is intended to be taken in direct sunlight. Firefighters might want to take a look at the Fire Compare Chart and consider the new 3500FW. It provides comprehensive environmental data on nine different measurements. In addition to the Kestrel 3500's pressure trend indicator, it also has … The full Kestrel range is available on request. 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. 00. (NK recommends identifying your current altitude since it is constant.). Innovatively designed for stability and accuracy in abrupt condition changes. Safe range for pesticide spraying is 4 to 16 °F / 2 to 9 °C. It utilises high precision Zytel° bearings and a lightweight … Perceived temperature resulting from the combined effect of temperature and relative humidity. 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 … Temperature compensated pressure (barometric) altimeter requires accurate reference barometric pressure to produce maximum absolute accuracy. Any tilt in angle present when the unit is calibrated or when measurements are taken will negatively impact the accuracy of the compass reading. Be sure to take measurements in the same solar/radiant heat environment as the people you are monitoring. Browse our latest Anemometers offers. before taking measurements that rely upon these values. 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. The Kestrel 3500 scrolls through the current readings of nine different … You can always trade-in an older Kestrel, regardless of its condition, by using our Customer Trade-In Program. From environmental conservation, marine and ocean research to cave research and scientific expeditions, the Kestrel 3500 makes gathering real-time data simple. Calibration drift +/- 2% over 24 months. Free Next Day Delivery available. Product Title KESTREL 3500 POCKET WEATHER METER - YELLOW. Because Barometric Pressure and Altitude are each dependent on the alternate reference value remaining constant, Barometric Pressure and Altitude cannot be accurately measured simultaneously. Kestrel 4200 displays station pressure on a dedicated screen. The Kestrel 3500 is a rugged, multi-function wind and weather meter that measures all of the environmental … If the humidity sensor housing (located above the rear label) is wet, the Kestrel cannot take an accurate humidity reading. The system comes … Battery life reduced by backlight use in 2000 to 3500 models. 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. Complies with Regional Value Content and Tariff Code Transformation requirements for NAFTA Preference Criterion B. CR2032, one, included. For those in need of a full reading of the latest weather information, the 3500 is the ideal Kestrel Meter. 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. The NV's backlight incorporates an optical filter to reduce overall brightness and minimize blue and green spectrum light to preserve night vision. Kestrel 1000 Description. Perceived temperature resulting from combined effect of wind speed and temperature. Kestrel 3500 The Kestrel 3500 measures temperature, wind speeds, barometric phenomena, pressure trends of up to 3 hours, and more. About Kestrel Weather Meters. Light in the red spectrum does not cause this “bleaching out”, preventing night blindness and night vision fatigue. When spraying, indicates evaporation rate and droplet lifetime. 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. If a high level of accuracy is required, using a Kestrel vane mount on a leveled tripod for calibration and measurement can eliminate error. 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. Air pressure that would be present in identical conditions at MSL. Engraving Note: Please make sure that everything is spelled correctly, as your engraved product cannot be returned. Product Title Digital Anemometer … You can obtain a new battery door from our site here: Battery Doors ... Now your barometric pressure and altitude are set for your current location/conditions. And on … 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. The Kestrel impeller housing can rotate in the unit. Self-calibration routine eliminates magnetic error from batteries or unit and must be run after every full power-down (battery removal or change). Get every environmental condition in seconds. When equalized, the display will read a constant value. 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. Add 2 business days to all engraving orders. All measurements except those based on relative humidity respond accurately within 1 second. Kestrel 3500 Pocket Weather Meter / Digital Psychrometer Altimeter Anemometer Every Kestrel is designed and manufactured at NK’s (Nielsen-Kellerman) facility in Boothwyn, Pennsylvania … Kestrel-3500 - Waterproof Pocket Wind Meter. KestrelMeters.com.au and is the sole importer and exclusive distributor of Kestrel … 19 product ratings - Wind anemometer… Don’t settle for an Asian-made weather meter of questionable accuracy – step up to Kestrel for guaranteed accuracy and reliability that’s designed and built in the USA. Measurement range limited by extent of published tables. Measurement range limited by extent of published tables. 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. Adjustable reference altitude allows display of station pressure or barometric pressure corrected to MSL. The Kestrel 1000 (0810) hand held anemometer wind meter is easy to use, robust, reliable and accurate. For best accuracy, ensure one of the three “arms” of the impeller housing is pointing straight up. From Australia. $194.00. If there is no wind, swing the Kestrel around in a circle on its lanyard or rapidly wave it back and forth in hand. 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. Humidity sensor may be recalibrated at factory or in field using Kestrel Humidity Calibration Kit (NK PN-0802). Would you like your product laser engraved? The compass in the Kestrel Meter is used for direction, crosswind, headwind/tailwind as well as for capturing various user inputs based on direction. This component is an arrow indicator that will indicate the trend of the previous 3 hours, even if the meter was off. All sales are final on engraved products. Get every environmental condition in seconds with the reliable Kestrel 3500. 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. ... New Listing Wind anemometer, wind meter, Kestrel 2000. wind speed for climbing, boating. Unit is a model 3500 and appears to be working properly, but I wasn't happy that it was in a model 3000 box with some stickers showing the 3500 info/specs placed over the portions of the box that have the … Difference between dry bulb temperature and wet bulb temperature. Last one. -22.0 °F to 140.0 °F | -30.0 °C to 60.0 °C. Digit height 0.36 in / 9 mm. 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. / 122 x 42 x 18 mm. The wind speed displayed by the Kestrel Meter is a 3 second rolling average. Keep all fingers below the finger groove and away from the chamber opening. Replacement impeller (NK PN-0801) field installs without tools (US Patent 5,783,753). A tripod or pole mount and the Kestrel Rotating Vane Mount are ideal for ensuring accurate measurements. ID.me provides identity proofing, authentication, and group affiliation verification that allows eligible users to take advantage of discounts and special offers. 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. MIL-STD-810g, Transit Shock, Method 516.6 Procedure IV; unit only; impact may damage replaceable impeller. Note: The Kestrel 3500 in Olive Drab with NV has a night-vision preserving backlight which helps users to sustain natural night vision. Historical Information on the Kestrel 4000 . 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. The Altitude measurement displays the local altitude using the Station Pressure measurement combined with the Reference Baro value input by the user. 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. Relative humidity and all measurements which include RH in their calculation may require as long as 1 minute to fully equilibrate to a large change in the measurement environment. Calculated based on NWS Heat Index (HI) tables. Kestrel 3500. Individually tested to NIST-traceable standards (written certificate of tests available at additional charge). 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. PSI display on Kestrel 4000 series only. This ensures that the sensor measures the temperature of the air rather than the temperature of the case. 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. A trend arrow displays whether the pressure is rising, … 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. Whenever you move your Kestrel Meter into a new environment wait until the primary sensor values have stabilized (Temperature, Humidity, etc.) It takes 30 to 45 minutes for the average eye to adapt to darkness and maximize night vision. Many users will inadvertently tilt the Kestrel Meter away from themselves slightly when holding the unit. Take measurements at least 3 feet off the ground and in the same wind or air flow conditions as the people you are monitoring.

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