$280.00
The Kestrel 4000 is also available in
Safety Orange and Olive Drab
The Kestrel® Tracker is the next generation of
weather monitoring. You can now measure EVERY major environmental
condition, easily and accurately, right in the palm of your hand. The
chart mode allows users to recall and graph up to 250 measurements, along
with the date and time of storage. Barometric Pressure, Altitude,
Density Altitude, Temperature, Humidity, Wind Speed, Wind Chill, Dew Point, Wet
Bulb, and Heat Index... all in one pocket sized instrument.
- Graph and recall trends
- Easy to read,
backlit display
- Time and date
- Customize screens to display
user-selected measurements
- Flip-top impeller
cover allows use of other functions while protecting the impeller (hard cases
available.)
- Automatically store measurements, even when the unit is
turned off
- Manually store measurements with the
press of a
button
- Chart up to 250
measurements
- Impeller can be replaced without
tools
- Exterior temperature, humidity, and pressure sensors for
fast and accurate readings
- Humidity sensor
can be recalibrated in the field with our Relative
Humidity Calibration
Kit.
- Includes neck and wrist lanyards,
protective pouch and 2 AAA
batteries
- Waterproof and
floats.
- 2-year
warranty
- Assembled in the
USA
- US
Patent Nos. 5,783,753 and
5,939,645 and
6,257,074
|
|
Features and Specifications |
| Wind Speed
|
| Accuracy |
±3% |
| Response Time |
1
second |
| Calibration Drift |
<2%
after 100 hours use at 7m/s |
| Units |
Display |
Resolution |
Range |
| Knots |
KTS |
0.1 |
0.6 to 78 |
| Meters per Second |
M/S |
0.1 |
0.3 to 40 |
| Kilometers per Hour |
KM/H |
0.1 |
1.0 to 144 |
| Miles per Hour |
MPH |
0.1 |
0.7 to 89 |
| Feet per Minute |
FPM |
1 |
59 to 7877 |
| Beaufort Force |
BEAU |
1 |
1 to 16 |
| Temperature
|
| Accuracy |
| Temperature |
±1°C |
| Wind Chill |
±1°C |
| Dew Point |
±2°C |
| Heat Index |
±3°C |
| Response Time |
approximately 1 minute for most
conditions |
| Units |
Display |
Resolution |
Range |
| Celsius |
°C |
0.1 |
-29 to 70 |
| Fahrenheit |
°F |
0.1 |
-20 to 158 |
| Relative Humidity
|
| Accuracy |
±3% |
| Response Time |
approximately 1 minute for most conditions |
| Calibration Drift |
±2% over 24
months (can be field calibrated) |
| Units |
Display |
Resolution |
Range |
| Percent |
% |
0.1 |
5 to 95% |
| Barometric Pressure
|
| Accuracy |
±3hPa (between -10°C
and 60°C) |
| Calibration Drift |
±1hPa over 12 months
(can be field calibrated) |
| Units |
Display |
Resolution |
Range (Station Pressure)
|
| hectoPascal (mb) |
hPa |
0.1 |
300.0 to 1100.0 |
| Inches Mercury |
inHg |
0.01 |
8.86 to 32.48 |
| Altitude, Density Altitude
|
| Units |
Display |
Resolution |
Range |
| Meters |
M |
1 |
-500 to 9000 |
| Feet |
FT |
3 |
-1600 to 30000 |
Please go to barometer and altitude help for more information.
| Display
|
| Update |
1 second |
| Temperature Range |
Normal operation from
-20°C to 60°C [-4°F to 140°F]. Below
-20°C [-4°F], accurate readings
may be taken by keeping the unit warmer than -20°C [-4°F] and exposing it
for the minimum time necessary to take a reading (less than 1
minute). |
| Storage Temperature |
-30°C to
60°C [-22°F to 140°F]. |
| Auto Shutdown |
After 15
minutes of no button presses. (This feature can be
disabled.) |
| Physical
|
| Battery |
Two AAA alkaline
batteries (included). Typical life, 400 hours. |
| Impeller |
25 mm. [1in.]
diameter, sapphire bearings, light weight. User-replaceable
impeller/housing assembly. |
| Temperature Sensor |
Hermetically sealed precision thermistor. |
| Humidity Sensor |
Solid
state silicon capacitive sensor. |
| Pressure Sensor |
Monolithic
silicon piezoresistive sensor. |
| Dimensions |
12.7 x 4.5
x 2.8 cm. [5 x 1.8 x 1.1 in.] |
| Weight |
102 g.
[3.6 oz.] |
| Warranty |
Standard
2-year covers parts and labor. |
*Specifications are are subject to
change.
