Tank level

Water-tank level monitoring over LoRa — for the rain-fed and the bore-fed.
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The OGLAS tank level sensor reports how much water you’ve got, in millimetres, on whatever schedule you set — from once a minute to once a day.

Why it matters

If you run on tank water, the difference between “fine until next month” and “the pump’s run dry overnight” is the level of the tank you forgot to check. OGLAS makes it the hub’s job to remember instead.

  • Periodic readings sent to the hub, logged locally.
  • Configurable thresholds — drop below a set level, the bell rings or your dashboard lights up. See Monitoring and alerts.
  • Battery friendly — deep-sleep between readings, runs for a season on a single LiPo with a small solar trickle.

Deploy it today

Tank monitoring works right now with an OGLAS analog node paired with an off-the-shelf level transducer (4–20 mA loop or 0–3.3 V output). That’s a complete, battery-friendly tank monitor — readings to your hub, thresholds, alerts, and season-long battery life — built from parts we already ship.

A dedicated tank node

For sites that want a single purpose-built unit rather than an analog node plus a transducer, we build a dedicated tank node:

  • IP-rated enclosure with a single level-sensor input — one job, sealed and mounted.
  • Local LCD showing current level, so you can read it at the tank.
  • Configurable alert thresholds without reprogramming.

It’s the same idea as everything else on this site — if the off-the-shelf path doesn’t fit your tanks, the purpose-built one is a custom build. Tell us about your tanks and we’ll spec it.