Kestrel 5500 User Manual

21
DIRECTION – Compass heading in true or magnetic
WIND SPD – Wind Speed is the measurement of
the wind passing through the impeller. For greatest
accuracy, point the back of the Kestrel directly into
the wind.
CROSWND – Crosswind uses the internal compass
and a user selected heading to calculate the crosswind
component of the full wind.
HEADWND – Headwind uses the internal compass and
a user selected heading or target direction to calculate
the headwind component of the full wind.
TEMP – Ambient Temperature is the temperature
measured at the thermistor. For best results, ensure
the thermistor is not exposed to direct sunlight and is
exposed to good airow.
CHILL – Wind Chill is a calculated value of the
perceived temperature based on temperature and
wind speed.
HUMIDITY – Relative Humidity is the amount of
moisture currently held by the air as a percentage of
the total possible moisture that the air could hold.
PIG – Probability of Ignition yields an estimate of
the probability that a dened release of a ammable
material will ignite if exposed to an ignition source.
WEATHER GLOSSARY
CONFIGURING TWL:
» In the Settings Menu of the TWL Current
Measurement Screen, scroll to and select the clothing
setting that most closely reects the clothing worn
by the people you are monitoring. A check mark will
appear next to the chosen clothing setting.
» Clothing Setting Options:
» Men’s business suit: Long sleeve shirt/tweed suit
jacket & long, loose trousers
» Short sleeve shirt/denim shorts
» Work Clothes: Short sleeve shirt/long trousers
(denim)
» Work Clothes & Coveralls
» Pressing select a second time will open a sub menu
displaying the preset values dening that clothing
setting.
» If none of the four provided clothing settings reect
the clothing worn by the people you are monitoring, a
custom clothing setting can be congured. To create
a custom clothing setting, scroll to Custom and press
select.
» Press select a second time to open the custom
setting submenu. Scroll to the parameter you wish
to customize and adjust it up or down to match your
situation.
Note: To highlight the severity of conditions, when the meter
detects that Acclimatization is the current recommendation
zone, Acclim will ash on the TWL Current Measurement
Screen. In the Buer or Withdrawal zones, the measurement
value will ash inverted.
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Kestrel 5500 Specifications

General

Humidity Range	0 to 100% RH
Water Resistance	IP67
Data Logging	Yes, up to 10, 000 data points
Bluetooth Connectivity	Yes
Measurement Parameters	Wind Speed, Temperature, Humidity, Pressure
Temperature Range	-20°C to 70°C
Pressure Range	300 to 1100 hPa
Accuracy	Wind speed: ±3%, Temperature: ±1°C, Humidity: ±2% RH, Pressure: ±1.5 hPa
Display	Backlit LCD
Battery Life	400 hours