Blue Sea 8239 AC Digital Frequency Meter [8239] Specials Built-in diagnostic and self tests

Built-in diagnostic and self tests

2 upper mounting bracket with gland seal

These larger 80C series models feature a beautifully rounded cast bottom end with a 1/2" Pipe Threaded Drain Hole

Requires no special panel modification

but the 5206-N has a nylon ferrule

Blue Sea 8239 AC Digital Frequency Meter [8239] Specials Built-in diagnostic and self testsAC Digital Frequency Meter Displays frequency from 40 to 90 Hertz 3 levels of display brightness Splashproof front WARNING: This product can expose you to chemicals including di(2 ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov. Owner's Manual (pdf)