Kestrel 4500 User Manual

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 4500 Specifications

General

Brand	Kestrel
Product Category	Weather Station
Barometric Pressure Range	750 to 1100 mbar
Compass	Yes
Waterproof	Yes
Floats	Yes
Water Resistance	IP67
Data Logging	Yes
Wind Speed Range	0.6 to 40 m/s
Temperature Range	-29 to 70°C (-20 to 158°F)
Battery Life	Approximately 400 hours
Measures	Wind speed, temperature, humidity, pressure
Heat Stress Index Range	0 to 55 °C
Accuracy	Wind speed: ±3%, Temperature: ±1°C, Humidity: ±3%, Pressure: ±1.5 mbar
Resolution	Wind Speed: 0.1 mph/m/s/km/h/ft/s/knot, Temperature: 0.1 °F/°C, Humidity: 0.1 %, Pressure: 0.1 mbar
Operating Temperature	-29 to 70°C (-20 to 158°F)
Battery Type	2 x AAA
Display	High-contrast, sunlight-readable
Dimensions	122 x 46 x 18 mm