Energy self-sufficient sensor with fault monitor IMON-G100

Level signalling for frog habitat in Frankfurt/Main

The city of Frankfurt redirects frogs to an artificial pond near a highway exit that the animals do not end up and die in an excavated lake with poisonous substances.

Benefits for the City of Frankfurt

  • Station is running energy self-sufficient

  • Inspection tours are reduced

  • Connecting the level switch directly to the input of the GPRS fault monitor

  • E-mail dispatch upon low water level

Initial situation

The city of Frankfurt redirects frogs to an artificial pond near a highway exit that the animals do not end up and die in an excavated lake with poisonous substances.

Objective

It was necessary for this project to ensure that the pond does not fall dry and threatens the livelihood of the frogs. This should be achieved using a technically solid solution for alarming in case of low water.

Solution

Our customer, the company S.A.M.-Tech, has planned an energy self-sufficient station on behalf of the city of Frankfurt. A solar panel provides 12 V power supply. The station captures the current water level and dispatches failure and status messages. Our cellular fault monitor IMON-G100 is used.

  • The IMON-G100 monitors the level switch to ensure a minimum water level in the frog pond. This switch is connected directly to one of the two inputs of the IMON-G100.
  • The IMON-G100 is configured such that an e-mail with a suitable message will be sent to a responsible person as soon as the level switch opens when the water level falls below a threshold.
  • By the way, the fault monitor IMON-G100 does not only monitor the level switch, but also its own power supply and will dispatch a failure message in case of an emergency.

Realisation
By our customer Fa. S.A.M.-TECH

Summary

The “frog manager” of the Frankfurt municipality will be informed immediately and can take care for a fresh water refill via road tanker. That’s how the frogs remain well cared in the pond permanently and have their protected living environment.

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