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Kestrel

®

 4300 Construction Weather Tracker

BACKLIGHT BUTTON

Press to activate backlight

for 1 minute.
 
MODE BUTTONS

Press to change mode of 

measurements: Current, 

Min/Max/Avg, Chart.

COMMAND BUTTON

In Chart Screens, press to 

view data points. In Setup 

Menus, press to make 

selection.

MANUAL MEMORY BUTTON 

Press to manually store 

current conditions 

to memory.
 
MEASUREMENT BUTTONS 

Press to scroll between 

screens: Date/Time, 

Measurements, User 

Defi ned Screens. 

POWER/SETUP BUTTON

Hold to turn power on or off . 

Press to enter and exit Main 

Setup Menu.

FRONT

3

IMPELLER Sapphire jewel 

bearings on a user-

replaceable impeller.

IMPELLER COVER Swivel 

cover protects impeller 

when not in use.

DATA UPLOAD OPTICAL 

COUPLER Software and 

serial port interface 

sold separately.

BATTERY DOOR 

Sealed with o-ring to 

keep product watertight.

TEMPERATURE SENSOR 

Hermetically sealed precision 

thermistor coiled to isolate from 

case temperature.

HUMIDITY SENSOR Capacitive 

sensor with secondary 

thermistor to improve 

accuracy and response.

SERIAL NUMBER

PRESSURE SENSOR Monolithic 

silicon piezoresistive sensor. 

Do NOT insert any objects 

into this hole.

AAA BATTERIES

BACK

Kestrel

®

 4300 Construction Weather Tracker

TABLE OF CONTENTS

GETTING STARTED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
NAVIGATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
SPECIAL FUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
MAIN SETUP MENU  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
APPLICATION EXAMPLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
MEMORY CAPABILITIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
GLOSSARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
DEFAULT SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
FREQUENTLY ASKED QUESTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
CUSTOMER SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Congratulations on the purchase of your Kestrel 4300 Construction Weather Tracker! The Kestrel 4300 not 

only measures EVERY environmental condition easily, accurately, and right in the palm of your hand, but 

now also allows users to input a concrete temperature and determine the evaporation rate. 
While the Kestrel 4300 is user-friendly and simple to use, reading the instruction manual is recommended in 

order to use the Kestrel 4300 to its fullest potential.
NK, manufacturer of Kestrel Pocket Weather Meters, is available to answer questions 

and provide support. Contact NK by phone: 610.447.1555, fax: 610.447.1577, email: 

[email protected], or web: www.nkhome.com.

5

GETTING STARTED

Pouch and Lanyards 

A neck lanyard and wrist and a small pouch have been provided. To install the lanyard, 

feed the thin end of the lanyard around the metal post on the battery door (as shown 

in diagram). Feed the thick end of the lanyard through the loop on the thin end. Using 

tweezers can help.  
Battery Installation

Use only AAA batteries. Install batteries as indicated on the battery door. After installing the batteries, the 

Kestrel 4300 will automatically start in the Date and Time Setting mode. (See Date and Time Setup below.) 

Custom settings and chart data will be saved during a battery change; only the date/time and MMA values 

will be lost.  
Turning the Kestrel Meter ON and OFF  

To turn the Kestrel Meter ON, press 

 the button. To turn the Kestrel Meter OFF, hold the 

 button for two 

seconds. Or, press the   button, then press the   button with the word OFF highlighted. (Note: your unit 

will continue to automatically store data when the power is turned off .) When fi rst turned on, the Kestrel 

Meter will display a splash screen displaying the model number, the battery indicator, and the code version. 

This battery indicator will indicate the percentage of battery life remaining, which is helpful in preventing 

unexpected dead batteries.
Date and Time Setup  

The fi rst time that you turn on your Kestrel Meter, as well as after a battery change, you will need to set the 

date and time. The Introduction Screen will appear for 3 seconds, followed by the Date/

Time Setup Screen. Press the   and   buttons to scroll through the settings. Press the 

 and   buttons to scroll through the setting options. After entering the date and time, 

press the   button to exit the Date/Time Setup. Then press the   button again to exit 

the Main Setup Menu. 

Summary of Contents for Kestrel 4300

Page 1: ...09 07 Instruction Manual For Kestrel 4300 4300 ConstructionWeatherTracker with Backlight www kestrelweather com 800 784 4221 In a hurry Be sure to read pages 5 7 to ensure that your Kestrel is setup...

Page 2: ...mmended in order to use the Kestrel 4300 to its fullest potential NK manufacturer of Kestrel Pocket Weather Meters is available to answer questions and provide support Contact NK by phone 610 447 1555...

Page 3: ...emperature The Kestrel 4300 does not measure this you will need to use a separate temperature measuring device to obtain the concrete temperature Once you have measured the concrete temperature scroll...

Page 4: ...r Starting with the known barometric pressure for your location You can obtain your current barometric pressure by checking an internet weather site for a nearby location or contacting a local airport...

Page 5: ...f Man Store On Off When On data is stored when the button is pressed When off the button is disabled Press or to toggle between On and Off When unit is off data is NOT stored for 2 sec and 5 sec Store...

Page 6: ...tion is desired the unit may also be returned to NK for service Date Time The date and time as well as date and time formats can be adjusted The Time Formats available are 12 hour and 24 hour The Date...

Page 7: ...urs 44 min 5 min 6 days 5 hours 20 min 10 min 12 days 10 hours 40 min 20 min 24 days 21 hours 20 min 30 min 37 days 8 hrs 1 hr 74 days 16 hrs 2 hr 149 days 8 hrs 5 hr 373 days 8 hrs 12 hr 896 days 25...

Page 8: ...ncrete temperature it can calculate the evaporation rate which can help determine how prone the job is to plastic shrinkage cracks Evaporation rate can also be determined from the ACI 308 charts thoug...

Page 9: ...ine receiving If you do not register and cannot provide proof of purchase your warranty period will be measured from our date of manufacture determined by serial number Kestrel 4300 Construction Weath...

Page 10: ...st Time 35 Kestrel Pocket Weather Meters are designed and manufactured in the USA by Instruction Manual for Kestrel 4300 version 4 23 ALL Please register your Kestrel Meter at www KestrelWeather com N...

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