# Water Level Meter - SR04M-2

**URL:** <https://discourse.nodered.org/t/water-level-meter-sr04m-2/56580>\
**Category:** General\
**Created:** [13 January 2022 10:26 UTC](https://discourse.nodered.org/t/water-level-meter-sr04m-2/56580 "2022-01-13T10:26:25Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![xx\_Nexus\_xx](https://avatars.discourse-cdn.com/v4/letter/x/54ee81/32.png) [@xx\_Nexus\_xx](https://discourse.nodered.org/u/xx_Nexus_xx)\
**Post date:** [17 January 2022 11:23 UTC](https://discourse.nodered.org/t/water-level-meter-sr04m-2/56580/21 "2022-01-17T11:23:48Z")

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As said , you have to ensure that your raw data is as stable as possible...for me the 3D print was the turning point. I had tried to calculate the average across 10 readings (lihe @craigcurtin ) and you still see the function node for this ... but after using the 3d print it was not necessary at all.

good luck

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [18 March 2022 11:23 UTC](https://discourse.nodered.org/t/water-level-meter-sr04m-2/56580/22 "2022-03-18T11:23:50Z")

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