| Model | 499ACL | Chlorine Sensor |
| Sensor Type | 01 | Free Chlorine |
| Transmitter compatibility | 54 | For use with Rosemount 1056, 56, 1066, and 5081 transmitters |
| Cable options | VP | Sensor with VP6 fittings (requires VP interconnecting cable) |
| Calibration and conformance certificates - optional level | CC | Certificate of Calibration (no test data given) |