Kestrel Drop Manuel utilisateur
1Please visit www.nkhome.com/kestrel/DROP for more information.
Getting Started
2Please visit www.nkhome.com/kestrel/DROP for more information.
Table of Contents
3 Getting Started with Your Kestrel DROP
4 Changing App Settings
5 Connecting to an iOS Device
6 Getting Data Logs Off iOS Device
7 Battery Replacement
7 LED Indicators
8 Getting More from Your DROP
9 Glossary of Measurements
3Please visit www.nkhome.com/kestrel/DROP for more information.
Getting Started with Your Kestrel Drop
Please note: You will need to remove the battery tab prior to using the DROP (see Battery section for opening battery case).
Please remove tab prior to operation.
Overview
Temperature Sensor
Humidity Sensor
Status Button
LED Location
Figure 1: Overview
4Please visit www.nkhome.com/kestrel/DROP for more information.
Changing App Settings
App Preferences
Adjust settings of application only
• Change Units (Imperical vs Metric)
• Auto Connect Device (Auto vs
Manual Connect)
NK recommends Auto Connect
• Manual requires re-pairing each time
May be preferred if you have multiple drops
• Device Power Saving (disconnects if
app closed)
Manage
Adjust settings of DROP Connection
• Update Device Name
• Manage Connection (i.e., Change
Refresh Rate)
• Manage Logging
(i.e., Change Data Logging Rate)
• Manage Alerts
• Disconnect
• Forget Device
• LED Flash
• Factory Reset
• Device Manual
• Device Info
5Please visit www.nkhome.com/kestrel/DROP for more information.
Connecting to an iOS Device
• Please see: www.nkhome.com/pdfs/Kestrel_Connect_Instructions.pdf
• All data logged by the DROP since your last connection will automatically download to your iOS
device upon your next connection.
Bluetooth range
(Up to 100 feet)*
Press button to connect BT quicker
(Also to test battery, LED will light Green)
Metal enclosures will block signal
* Bluetooth radio will perform better
if the DROP is elevated above
ground level.
MUST BE IN RANGE TO:
• Upload DROP Data
• Update DROP Settings
• View Real-time Data
• Receive Alerts
Water or ice may
affect range
6Please visit www.nkhome.com/kestrel/DROP for more information.
Getting Data Logs O iOS Device
There are two ways to export data off your iOS device:
• Directly from the Stats Page or
• Manage Logging from the Manage Page
You would then export to a valid email address or
using AirDrop.
7Please visit www.nkhome.com/kestrel/DROP for more information.
Battery Replacement
(Please note: After battery replacement, you MUST reconnect to the Kestrel Connect application to ensure
time and date are updated for logging purposes.)
Figure 2: Battery Replacement
If Battery Is Inserted
Unit is on. (Only powers off if battery is removed)
Bluetooth is on.
DROP is logging data.
LED Condition Status Button Possible Conditions
Pressed Unit is functioning normally.
Not Pressed Battery was inserted.
Bluetooth has connected successfully.
Bluetooth has disconnected successfully.
Note: Status button can be used to immediately send a connection signal to your iOS device.
LED Indicators
8Please visit www.nkhome.com/kestrel/DROP for more information.
Temperature
• Aslightairowof2mphormorewillspeeduptemperatureresponsetimes.
• DROP can be used to measure water or snow temperature by submerging the thermistor.
Humidity
• For accurate humidity readings, allow the DROP to equilibrate to its environment. Depending on the temperature and humidity
differentialbetweenenvironments,thiscantakebetween20and90minutes.
• After submersion in a liquid, humidity readings, if available on your DROP, will be impacted until the humidity sensor area has fully
dried. Gently blowing on the sensor area (the small grid of holes in the front case) can speed this process.
• Afterexposuretotemperaturesover80°C,anoffsetinhumiditymaybepresentforaperiod.
Connectivity
• Typicalrangeis100ftbutlongerrangescanbeachieved.Metalenclosures,ice,submersioninliquids,obstructedlines-of-siteand
ground level or non-vertical logging positions will reduce connection range.
• If more than 3-4 DROPs are present, turning off auto connect and manually connecting one at a time will help the app connect
successfully. Typically, a maximum of 8 DROPs can be connected to a device at a time.
• The DROP uses Bluetooth Low Energy (BLE) to connect to iOS devices. Android compatibility is coming soon.
Operating Temperature
• TheDROPwilloperatewithoutrestrictionfrom14°F/-10°Cto131°F/55°C.Operationatlowertemperatureswillbelimitedbythe
availablepowerandlifespanofthecoincellbattery.Downloadingafulldatalogintemperaturesbelow14°F/-10°Cmaytaxthe
batterytothepointwheretheDROPwillnotoperateuntilthebatteryhasbeenreplaced.Forbestresultsbelow14°F/-10°C,usea
freshbattery,keepdatalogdownloadsshort(1000datapointsorfewer),orallowtheDROPtowarmtoabove14°F/-10°Cbefore
connectingorattemptingtodownloadlogs.TheDROPcangenerallybeexpectedtocontinuetologdatapointsdownto0°F/-18°C
with these limitations.
Battery Life
• Coldconditions,frequentloggingrates,andfrequentlogdownloadswillallshortenbatterylife.
• Whendownloadingextremelylargedatalogsormakingrmwareupdates,avoidusinglowbatteriesandconditionsbelow32°F/0°C.
• EstimatedbatterylifeatthebaselinesettingsprogrammedintoyourDROPwhenshippedfromthefactory(10minloggingrate,5
secconnectionrate)androomtemperature(77°F/25°C)isabout4months.Intensiveloggingandconnectionsettings(2seclogging
rate, constant connection) can reduce battery life to as little as 11 days.
Getting More from Your DROP
9Please visit www.nkhome.com/kestrel/DROP for more information.
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Temperature (Air/Water/Snow): Air temperature is
the ambient temperature of the air and water vapor as
measured by a thermometer or other measuring device
in which the thermal element is dry and shielded from
radiation. Water and snow temperature are measured with
a measuring device in direct contact with the environment.
Available units are Fahrenheit – a temperature scale where
wateratsealevelhasafreezingpointof+32°F°,anda
boilingpointof+212°F;andCelsius–atemperaturescale
wherewateratsealevelhasafreezingpointof0°Canda
boilingpointof+100°C.
Relative Humidity: The ratio of the amount of water
vaporintheairataspecictemperaturetothemaximum
amount that the air could hold at that temperature,
expressed as a percentage. Relative humidity is a function
of temperature and therefore changes as the temperature
changes, even if the amount of moisture in the air remains
constant.
Heat Stress Index: A measurement of the air
temperature in relation to the relative humidity, used as
an indicator of the perceived temperature.
Dewpoint: The temperature at which the water vapor in
the atmosphere begins to condense. Any further cooling
causes condensation (fog and dew). This is also the
temperature of saturation at which the dry-bulb, wet-bulb
and dew-point temperatures are all the same.
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Wet Bulb: The lowest temperature in the ambient
atmosphere yielded by evaporating water from a wet
muslin-covered bulb of a thermometer.
Glossary of Measurements
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Absolute/Station Pressure: The actual measured pressure
of the weight of air above the measurement point. Often
called station pressure.
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Density Altitude: TheequivalentaltitudeintheICAO
standard reference atmosphere for the measured temperature,
relative humidity and air pressure. A measure used primarily by
pilots, high-performance engine mechanics and long-range
shooters.
321006_1_15.03.13
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