Solinst 428 BioBailer nose cone floating pocket tester that combines

floating pocket tester that combines pH

Field serviceable components

Every configuration ships complete: handheld

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

The Discrete Kit variant adds 24×1L bottles and a distributor arm for discrete sampling programs

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