Kestrel 3500 Delta T Manuale Utente Scaricare il pdf (Pagina 6)

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5-YEAR LIMITED PRODUCT WARRANTY

Your Kestrel Weather Meter is warrantied to be free of defects in materials and workmanship for a period of FIVE

YEARS from the date of its rst consumer purchase. NK will repair or replace any defective meter or part when

notied within the warranty period, and will return the meter via domestic ground shipping or NK’s choice of

method of international shipping at no charge. The following are excluded from warranty coverage: damage

due to improper use or neglect (including corrosion); damage caused by severe or excessive impact, crushing

or mechanical harm; modications or attempted repairs by someone other than an authorized NK repair agent;

impeller failure not caused by a manufacturing defect; normal usage wear; failed batteries; and accuracy issues

resolvable by recalibration. If no warranty registration or proof of purchase is provided, the warranty period will be

measured from the meter’s date of manufacture.

Except for the warranties set forth herein, NK disclaims all other warranties, expressed, implied or

statutory, including, but not limited to, the implied warranties of merchantability or tness for a particular

purpose. Any implied warranties that may be imposed by applicable law are limited to the term of this

warranty. In no event shall NK be liable for any incidental, special or consequential damages, including,

but not limited to, loss of business, loss of prots, loss of data or use, whether in an action in contract

or tort or based on a warranty, arising out of or in connection with the use or performance of an NK

product, even if NK has been advised of the possibility of such damages. You agree that repair, and (upon

availability) replacement, as applicable, is your sole and exclusive remedy with respect to any breach of

the NK Limited Warranty set forth herein.

All product liability and warranty options are governed exclusively by the laws of the

Commonwealth of Pennsylvania.

WARRANTY CERTIFICATE

Impeller

The Kestrel impeller calibration drift is less than 1% after

100 hours of use at 16 MPH | 7 m/s. Drift increases with

higher-speed use. For most users, the impeller will provide

accurate wind speed/air ow readings for years if not

physically damaged. However, if your application requires

extremely high precision or if you perform frequent

high-speed readings, we recommend you replace your

impeller at one-year intervals. Every replacement impeller

is supplied with a certicate of conformity and restores your

Kestrel’s calibration upon installation.

Temperature Sensor (Kestrel 2000 and higher)

The Kestrel temperature sensor exhibits virtually zero drift

over time and generally does not require recalibration for

accurate performance during the life of the product. If your

industry or application requires calibration, please contact

NK or a certied calibration lab for options and pricing.

Humidity Sensor (Kestrel 3000 and higher)

The Kestrel humidity sensor calibration drift may be up to

+/- 2% over 24 months. For high-precision applications,

we recommend recalibration at 24-month intervals. If you

require calibration, please contact NK or a certied

calibration lab for options and pricing. The humidity sensor

may also be recalibrated in the eld using a Kestrel

Humidity Calibration Kit (NK PN-0802). Instructions for

running the recalibration routine are provided with the

Humidity Calibration Kit and may also be found at

http://www.nkhome.com/support/instructions/cali_kit_07.html.

SENSOR CALIBRATION

Pressure Sensor (Kestrel 2500 & 3500)

The Kestrel pressure sensor drift may be up to 1 mbar

over 12 months. For high-precision applications, we

recommend recalibration at 12-month intervals. If you

require calibration, please contact NK or a certied

calibration lab for options and pricing. The pressure sensor

may also be recalibrated in the eld with reference to a

known-accurate and calibrated pressure standard. We do

not recommend simply recalibrating to a local weather

station as this may not be accurate for your location.

Instructions for recalibrating the pressure sensor may be

found at www.nkhome.com/kestrel/user-guides/

calibration_eld.php.

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Kestrel 3500 Delta T Manuale Utente Pagina 6

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