| Model | Description | Manufacturer |
|---|---|---|
| MicroCorr Digital Leak Detector Base Station | Palmer Environmental | |
| MicroCorr Digital Leak Detector Out-Station | Palmer Environmental | |
| MicroCorr Digital Leak Detector Out-Station | Palmer Environmental | |
| Permalog 3 | Palmer Environmental | |
| Permalog Logger I | Palmer Environmental | |
| Permalog Logger II | Palmer Environmental |
