Kestrel Replacement Impeller, Nielsen Kellerman each plumbed with a standard

each plumbed with a standard 3″ threaded flange with plug and packaged in a compact field bag

glass-filled nylon

Data hold function

Easy lift grab handles are placed evenly around the base of the tank for easy set up

This coiler comes with small square mount to mount on any vertical surface

Kestrel Replacement Impeller, Nielsen Kellerman each plumbed with a standardWith a replacement impeller on hand, you can be sure your Kestrel is always ready to provide fully accurate wind or air flow measurements. Each impeller is individually calibrated in our NIST traceable wind tunnel to Kestrel specifications and comes with its own Certificate of Conformity. Simply replacing the impeller in any Kestrel meter of any age restores factory calibration. And the best thing? Replacing your impeller is hassle free and tool free