| 摘要 |
<p>Some embodiments relate to a fluid monitoring system, comprising a housing positioned in-ground above a buried fluid conduit, the housing having a lockable access hatch to allow access to an internal volume of the housing from surface level; at least one sensor accessible through the internal volume and arranged to sense at least one condition of fluid in the fluid conduit; and a wireless telemetry unit supported in the housing and coupled to receive output signals from the at least one sensor in relation to the at least one condition. Some embodiments relate to methods usable by such systems. Some embodiments relate to fluid supply/drainage zone monitoring systems and methods employing multiple in-ground installations. Measurement interval No expired? Yes Switch power to sensor(s) Wait for sensor(s) to warm up Record sensor(s) readings Discontinue power to sensor(s) Yes Alarm conditionTunoatea detected ? r Tunoatea No Notification interval No expired? No Yes Transmit message to remote server Figure 4</p> |
