No Axial or Angular Backlash means charts don’t shift. Closed construction case protects all moving parts. Separate battery compartment prevents the drive from corrosion damage.
UL Listed: Class I, Groups C and D; CUL Listed.
Palmer Wahl
Replacement Multi-Speed Battery Operated Chart Drive, PC-12
Designed for outdoor use. Palmer’s hermetically sealed multi-speed battery operated chart drives operate reliably even in wet and dirty environments. Freezer tested to -40°F, these drives will withstand extreme temperatures. The highly adaptable design will fit any chart recorder, and makes exchange in the field a snap. 12 selectable speeds: 30 min., 60 min., 2 hr., 4 hr., 6 hr., 8 hr., 12 hr., 24 hr., 48 hr., 3 day, 4 day, or 7 day recording intervals. No OFF.
The speed dial on the front of the case allows field selectable recording intervals. A pulsating LED indicator behind the dial shows that the battery is charged and that the unit is operating. Available with 5/8 inch long drive shaft or 1.25 inch long drive shaft.
