Solinst 428 BioBailer nose cone floating pocket tester that combines

floating pocket tester that combines pH

Carrying case

and the 615S/615SN add a protective shield around the screen to prevent smearing during driving

optional Geotech telemetry system available

Field serviceable components

Solinst 428 BioBailer nose cone floating pocket tester that combinesThe Solinst 428 BioBailer is a single use, clear PVC grab sampling bailer with a tapered top and bottom to resist snagging in the well, and a molded handle for attaching a suspension cord. It is lowered below the water table, fills as it descends, and is hauled back to the surface holding a trapped column of water. Because the PVC formulation is dense enough to sink on its own, no added weight is typically needed. At the surface, the sample is