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4000 Series Weather & Environmental Meters I N S T R U C T I O N A L M A N U A L AVAILABLE WITH WIRELESS DATA TRANSFER NKhome.com 800.784.4221...
Rapid temperature and humidity changes (ie moving your meter from indoors to outdoors) may cause inaccurate readings of temperature and humidity as well as all readings that rely on either of these values. Before relying on a Kestrel Meter's readings, use care to either a) force air flow over the sensors by waving or slinging your meter through the air; or b) wait until your unit’s readings have stabilized, indicating it has equilibrated to its new environment.
Kestrel 4250 Racing Weather Tracker ....18 Main Setup Menu ............8 Kestrel 4300 Construction Weather Tracker ..19 Date & Time Setup ............. 8 Kestrel 4400 and 4600 Heat Stress Trackers ..19 System ................8 CUSTOmER SUPPORT Memory Options ............9 maintenance &...
/ EXIt ButtOn ButtOn staBILIZInG BattERY Even when the Kestrel display is off, the unit will still automati- * All Kestrel Meters with ORIEntatIOn sHIM cally collect and store data at the defined rate (see “Memory temperature measurement Kestrel 4500s, 4600 &...
You can also select “Off” on the (provided with unit) between batteries and place Main Setup Menu options. clear ring on end over positive battery “bump. ” When replacing batteries in the Kestrel 4500, always keep the shim and re-insert with new batteries as described.
NK technician. Full humidity calibration Contrast, auto shutdown, batteries and calibrations instructions are provided with the Kestrel RH Calibration can be reconfigured as needed in the System Kits. The unit may also be returned to NK for calibration. Visit screen.
The global units setting option is found on the “Units” sub menu on the Kestrel 4500 with HORUS Ballistics. * When unit is off, data will continue to be stored unless the 2 sec or 5 sec Store Rates have been selected.
• Press or to change the unit of measurement. Use this setup to “hide” unwanted Measurement USER SCREENS screens from the normal Measurement navigation. The Kestrel allows you to set up to 3 customized • Use to scroll to the desired User Screens that will display 3 current Measurement screen.
sCREEn naVIGatIOn mEASUREmENT SCREENS The data value will be displayed at the top of the • Press to scroll through the screen. The date and time when each data point was Measurement screens. stored will be displayed at the bottom of the screen. •...
(using either auto- SETTING BAROmETRIC PRESSURE & ALTITUdE The Kestrel meter measures “station pressure”, which stored or manually captured data). This data can be cleared by using “Reset MMA” under memory options.
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Altitude, and both screens will show temp., and is not affected by the reference values entered in accurate readings. the “Baro” and “Altitude” screens. To transfer your Kestrel’s real-time and logged data REF ALT REF BARO wirelessly and automatically to a laptop or PDA, Baro follow these set up steps.
Bluetooth capability and will need additional products to communicate via Bluetooth. * A “Bluetooth Error” screen will appear on the Kestrel if pairing is unsuccessful. set up Kestrel Communicator software •...
• Press FIRMLY on the impeller module to remove it. • Insert the new impeller so the side that has the small triangle (close to the perimeter) faces the front of the Kestrel when installed. Figure 2 Figure 1 Kestrel...
KEstREL 4500 & KEstREL 4600 sEtup & FunCtIOns In addition to Wind Speed and Wind Chill, the Kestrel To verify the digital compass’ accuracy, test it against a 4500 and Kestrel 4600 also measure Direction, compass; the Kestrel meter readings should be within Headwind/Tailwind and Crosswind.
• After setting the heading, scroll to the desired param- • If you choose True North, use to highlight “Varia- eter and orient the Kestrel so the wind blows directly tion”, then use to input the Variation for your through the impeller.
ICAO as 29.92 inHg, 0% relative humidity, and 59 opening to “Round” or “Rectangular”. degrees F. The Kestrel 4250 will display this value on the • Scroll down then use or to set the size of the open- RAD screen.
Low risk enter the Averaging Screen. The Kestrel Heat Stress Trackers Moderate risk Make sure the Kestrel 4300 is shaded while it takes the allow you to customize the settings reading. Failure to shade the unit may cause inaccurate Moderate risk of your heat-related warning zones readings that will not meet ACI 308 criteria.
If you are concerned your Kestrel is not performing recommended. within specifications upon receipt, please contact *For the Kestrel 4500 & 4600, it is important to re-insert the us and we will review your concerns. If necessary, shim along with the new batteries then re-calibrate the we will test or recalibrate any unit within 30 days digital compass to ensure correct wind direction readings.
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KEstREL BattERY MaIntEnanCE Made in the usa We ship every Kestrel 4000 Series Meter exclusively with Made in the USA Energizer® Brand Ultimate Your Kestrel Weather & Environmental Lithium AAA batteries for improved reliability, ca- Meter was designed, developed, and built pacity, cold-weather performance and weight.
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140.0 °F | -30.0 °C to 60.0 °C. Be particularly careful damage is covered under our Customer Loyalty not to leave a Kestrel meter with any type of batter- Trade-In Program, which provides a generous dis- ies installed inside a hot car in the summer.
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CHOOsInG & usInG BattERIEs FOR YOuR KEstREL Your Kestrel meter is powered by two AAA size batteries. Here is a guide to selecting the right chemistry/type of battery for your meter: BATTERY TYPE EXAMPLE BRAND SELECTION CONSIDERATIONS NAMES Lithium AAA Energizer®...
Visit www.nkhome.com for the complete line of Kestrel Weather and Environmental Meters Accessories tactical Carry Case Replacement Impeller Item # 0806 Item # 0801 Color Options: Vane Mount • Black Item # 0791 screen protector • Camo & Cleaning Kit •...
WARRANTY CERTIFICATE Your Kestrel Weather & Environmental Meter is warrantied to be free of defects in materials and workmanship for a period of FIVE YEARS from the date of its first consumer purchase. NK will repair or replace any defective meter or part when notified within the warranty period, and will return the meter via domestic ground shipping or NK’s choice of method of international shipping at no charge.
Kestrel® Weather & Environmental Meters are designed and manufactured in the usa. NIELSEN-KELLERMAN 21 Creek Circle, Boothwyn, PA 19061 Phone: (610) 447-1555 Fax: (610) 447-1577 Web: NKhome.com Email: info@NKhome.com please register your Kestrel Meter at nKhome.com 318433_4_140306...
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