Controllers Selection Guide
| 4848 | 4848B | 4848T | 4838 | 4871 | |
| Application | One Stirred Reactor | One Stirred Reactor | One Stirred Reactor | One Non-Stirred Pressure Vessel (No motor control or cooling) | Advanced Systems* |
| Features | |||||
| Temperature Control | One | One | One | One | Multiple |
| Pressure Monitoring | Optional | Optional | One | Optional | Multiple |
| Motor Speed Control | One | One | One | None | Multiple |
| Auxiliary I/O | None | Up to two inputs | None | None | Multiple |
| Redundant Temperature Monitoring | Optional | Optional | One | Optional | Multiple |
| PC User Interface with Data logging | Optional | Optional | VNC | Optional | Included |
| Digital Communications | RS-485 | RS-485 | Ethernet | RS-485 | Ethernet |
| Expansion Modules | Up to three | Up to six | Three Included | Up to one | Unlimited |
| Number of Reactors Controlled | One | One | One | One | Multiple |
*Contact a Parr Customer Service Representative for your custom application needs.