Download our useful PQS Gradient Level Chart
Download our useful PQS Gradient Level Chart for a handy reference to gradients and levels when planning and checking your site measurements
Finding What’s Hidden Underground With Radiodetection’s John Midlen
From everyday drain tracing to deep sewer networks, discover how Radiodetection sondes help locate non-conductive pipes and pinpoint blockages. PQS Survey’s Simon Lunt speaks with John Midlen about choosing the right sonde for your site’s depth and conditions.