Bore-related isobaric extraction device for groundwater samples has specimen transport device for isobaric accommodation of the specimen with a rigid housing containing a flexible bag

摘要

The device has a measurement point (2) with a level tube, a filter tube and an annular chamber carrying a ground water flow and a sample extraction station (6). The station and chamber only extend over the height of the groundwater channel top line (1). It has a specimen transport device (12) for isobaric accommodation of the specimen with a rigid housing containing a flexible bag.