Support
NK Warranty & Customer Loyalty Program
NK Plain Language Warranty
NK Customer Loyalty Programs
Product Registration & Warranty Lookup
Register your NK or Kestrel Product
Determine warranty coverage by looking up your product's serial number
Product Repairs & Returns
Battery door replacements
Return a product to NK for testing, calibration, repair or replacement
Track the status of your return or repair
Tutorials & Guides
Video: BLUETOOTH® connection walkthrough
BLUETOOTH® connection guide - Windows
BLUETOOTH® connection guide - Mac OS
Kestrel Calibration & Testing
How to calibrate your Kestrel in the field
Complete Tune-up Services
Basic Test & Calibration Services
NIST Calibration Services
Manuals & Downloads
Software
Updates
User instruction manuals
Installation guides
Product specification sheets
Multi-language documents
FAQs & Forums
Kestrel Frequently Asked Questions
‘NK Knowledge Center’Read technical support posts, usage advice, share product knowledge with other users
Contact Customer Service
Repairs repairs@nkhome.com
Phone 610-447-1555 Mon-Thu, 9am-5pm ET & Fri, 9am-4pm ET
Technical Support techsupport@nkhome.com
Fax 610-447-1577