Kestrel Weather and Ballistics Instruments are manufactured in the USA by Nielsen-Kellerman (NK). Every Kestrel product is backed by a 30-day satisfaction guarantee and 5-Year Performance Warranty. Before you return a Kestrel under warranty, we ask that you first get in touch with us, as many issues can be resolved with our help. If we do determine a return is necessary, we will issue you a Return Authorization (RA) number to ensure your credit, exchange or repair is handled as promptly as possible. We can be reached by phone or email:

CALL us at
(248) 270-8898
(M-F 9-5 EST)

EMAIL us at

Returns for credit or exchange within 30 days

Kestrel returns under the 30-day satisfaction warranty are handled by the original seller. For all purchases made from or, please FIRST contact us. Once you've spoken with Customer Service, pack your Kestrel with the original paperwork and a note explaining the reason for your return. Please also note whether you wish a credit or an exchange, and if an exchange, what product you wish to order. Send the package to:

Attn: Kestrel Return
21 Creek Circle
Boothwyn, PA 19061

Refunds will appear in the original form of payment within 10 business days. Exchanges will ship within 2-3 days and any price difference will be refunded or charged to your original method of payment.

Returns for repair or replacement after 30 days

After your initial 30 days, NK provides full warranty support for any Kestrel weather or ballistics instrument, regardless of place of purchase. If you do not have your original proof of purchase, we will measure your warranty period from the date of manufacture traced through the serial number.

If you believe your Kestrel product is not performing correctly or to specifications, please first contact NK for technical support or file a Kestrel Repair Request on their website. If we determine that your Kestrel requires repair or replacement, we will provide you with an RA Number to ensure we can reference your support history when we receive your Kestrel. Your Kestrel will be repaired or replaced in 7 to 10 business days.