The Sonceboz 820R001 Chart Drive is a precision battery-operated mechanism designed for circular chart recorders. This Swiss-made device offers exceptional versatility with 11 selectable rotation speeds ranging from 60 minutes to 32 days, including settings for 96 minutes, 12 hours, 1 day, 2 days, 7 days, 8 days, 14 days, 16 days, and 31 days. Operating on a 1.5V supply, this chart drive features an A mounting plate type with a 1/4 inch diameter output shaft that rotates clockwise. The intrinsically safe design makes it suitable for use in hazardous locations with Class 1, Group C and D applications, and it's approved for use with alkaline battery types. Its measurement accuracy of +/- 0.01 ensures reliable data recording for industrial applications. The compact design and multiple speed options make this chart drive ideal for various recording needs in laboratories, manufacturing facilities, and process control environments where precise time-based data tracking is essential.