Chart drive type: 725 (R084)
 
Dual Speed 24 hr/day
Other dual and single speeds available
 
Used in Recorders measuring:
* Pressure of gases and fluids
* Volume of gases and fluids
* Temperature of gases and fluids
 
Where:
* Natural Gas Exploration
* Geological Measurements
* Wells, Pipelines
* Regulators
* Diverse gauges
* etc.

Chart drive type: 725 (R382)
 
1 Rev. 31 day
Other single speeds available
 
Used in Recorders measuring:
* Temperature
 
Where:
* Refrigerated containers on ocean vessels on trucks, in freezers, etc.

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 .

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

820 (R007)
 
* 11 Selectable Speeds
* Threaded Foxboro Shaft
 
Used in Recorders measuring:
* Temperature
* Pressure
* Volume
 
Of:
* Air
* Gases
* Fluids
* Events
* Processes

Chart type: 830 Fast/Slow battery
 
The Only Clock Of It's Kind - 90° Test Pattern On Each Chart; 7 Fast / Slow Speeds; 5 Regular Speeds
 
The most versatile Chart Drive for Gas Volume Recorders and for all Event and Flow Recorders.