1.5V Alkaline or 3.6V Lithium "C" Battery
UL and cUL Listed For Hazardous Locations
Temperature Range: -40°F o 160°F
Interchangeable With Clock Chart Drives 725
A Standard In Most Circular Recorders

820R001 / 820R011 820R021 / 820R005 11 Selectable Speeds CCW and CW Rotation Shaft Used in Recorders measuring: Temperature Pressure Volume Of: Air Gases Fluids Events	Point here to view model 820R006
820R007 11 Selectable Speeds Threaded Foxboro Shaft Used in Recorders measuring: Temperature Pressure Volume Of: Air Gases Fluids Events Processes	Point here for an alternate view