Solinst 601 PVC Standpipe Piezometer Length:3 ft HI76407A/P pre-formed PTFE DO membranes

HI76407A/P pre-formed PTFE DO membranes (2)

the SP-230 runs on 2×AA alkaline batteries for 13+ hours and logs up to 256 peak-hold readings via IrDA output

Used with: YSI 556

protective cage

Solinst 601 PVC Standpipe Piezometer Length:3 ft HI76407A/P pre-formed PTFE DO membranesThe Solinst 601 PVC Standpipe Piezometer is a perforated rigid PVC tip fitted with a porous HDPE filter sleeve that keeps out silts and fine sands while letting groundwater enter. It is placed or lowered into a pre drilled borehole (or pushed into loose sand or tailings) and connected to the surface by joining lengths of 3 4" Schedule 40 PVC riser pipe with slip couplings. Backfill is placed around the perforated tip and the top closed with a slip