Sonde, 512 Hz (for Rex, XTpc series & XT512)
P/N: 600080 (Replaces TM50910)
Size: 4-1/8" long x 1-1/2" dia.
Battery: 1 - AA
Depth: 16 feet deep through all pipe materials.
(Unit must be equipped with this option/software before this accessory will operate. XT units can only operate with a single sonde frequency.)