RD500
The RD500 system enables location of underground plastic water pipes.
![](http://www.swqr.org/wp-content/uploads/2019/03/RD500-480x320px.jpg)
The RD500 is a locator for underground plastic water pipes. A transonde is used to vibrate the water as it passes through it and across an internal spring system sending a minute sound wave back along the pipe. This sound wave is then detected using the RD500 receiver hence locating the water pipe.