820 Series Chart drive types: 820 (R001), 820 (R011), 820 (R021) & 820 (R005) * 11 Selectable Speeds * CCW and CW Rotation Shaft Used in Recorders measuring: * Temperature * Pressure * Volume Of: * Air * Gases * Fluids * Events Chart drive type: 725 (R127) Dual Speed 24 hr/7 day Other dual and single speeds available Used in Recorders measuring: * Temperature * Pressure Where: * Food Processing * Many other process control, corrosion, strength, temperature * Different types of event recorders, etc . suku cadang mesin