Fluke Corporation has discovered a defect in their Fluke 373, 374, 375 and 376 digital clamp-on meters that were manufactured between September 1st, 2010 and October 8th, 2012. This pertains to specific model #'s and serial #'s, which are indicated in the link below.

Please quarantine all units that fall within the affected range and await further instructions from Fluke on how to proceed

FLUKE Model 37X Clamp-on Meter Serial # Listing