A new version of SensAlert Plus 2-wire transmitters is now available for installation without galvanic isolators. The new transmitter makes it easier to replace competitor's old toxic equipment with the full-featured SensAlert Plus. Isolators are no longer needed but the head cannot be mounted remotely. The sensor head maintains Intrinsic Safety and sensors can be hot-swapped without declassifying the area.
| SensAlert Plus 2-Wire Model | Galvanic Isolator Required | Remote Sensor Head | Part Number | Link |
| New Model GP | Isolator Not Required | No Remote | 820-0208-01* | Datasheet |
| New Model Div2 | Isolator Not Required | No Remote | 820-0209-01* | Datasheet |
| New Model Div1 | Isolator Not Required | No Remote | 820-0207-01* | Datasheet |
| Remote Model GP | Isolator Required | 100ft/30m | 820-0201-01 | Datasheet |
| Remote Model Div2 | Isolator Required | 100ft/30m | 820-0203-01 | Datasheet |
| Remote Model Div1 | Isolator Required | 100ft/30m | 820-0205-01 | Datasheet |
*Note: Availability of the following 2-wire part numbers limited to the United States; 820-0208-01, 820-0209-01, and 820-0207-01.