| 摘要 |
FIELD: measuring technology; may be used for taking liquid samples while conducting ecological examinations of water reservoirs. SUBSTANCE: device has vessel with outer thread attached to rope, cylindrical case with weight, handle and transition ring with outer and inner threads. Lower part of case is fitted with shank formed by conical ring recess which face part is provided with inner thread and side conical surface has holes for passage of liquid made in the form of inclined through conduits. Vessel is provided with outer thread. Handle, case with weight, transition ring and vessel are positioned coaxially, handle is joined to rope and is made fast with lower end to case. Vessel is joined to shank through transition ring by means of threaded connection. In addition, device may include float with hole to accommodate handle and cylindrical bushing with conical seal shutting holes in shank located coaxially to handle and case and uniaxially to each other. Float with bushing is mounted for movement along handle and case. Device may also have additional weight in the form of ring element with outer and inner threads provided with radial rods and joined to shank and transition ring with the aid of threaded connection. EFFECT: taking of representative samples and improved handling ease. |
