Sentinel is FlowGuard's rugged, field-deployable sensor — built to live inside the drainage network and report the conditions that precede failure. Choose monitoring, or monitoring plus active treatment.
Real-time drainage intelligence. No dosing required — visibility-first for estates that want eyes on their network.
Everything the Monitor does — plus active bio-enzyme treatment dosed on schedule and ahead of forecast risk.
Every Sentinel reports continuously — the raw signal behind FlowGuard's risk intelligence.
Depth in the channel, live
Speed of water movement
Sediment accumulation
On-site precipitation
Ambient & water temp
Autonomous power state
Precise node location
Always-on connectivity
Alerts on interference
| Capability | Sentinel Monitor | Sentinel Pro |
|---|---|---|
| Real-time monitoring | ✓ | ✓ |
| Water, flow, silt & rainfall sensing | ✓ | ✓ |
| Active bio-enzyme dosing | — | ✓ |
| Treatment cartridge | — | 500 ml · 60–90 day life |
| Battery backup | 30 days | 30 days |
| Connectivity | NB-IoT | NB-IoT |
| Alert latency | <5 min | <5 min |
| Best for | Visibility-first estates | Full managed prevention |
Solar-assisted with a 30-day battery backup for long-duration field deployment.
Secure NB-IoT connectivity for reliable remote monitoring.
IP68-rated enclosure built for demanding underground environments.
Designed to integrate with existing drainage infrastructure.