Vacuum fixed-depth sampler
A vacuum type, sampler technology, applied in the direction of sampling devices, etc., can solve problems such as water mixing, etc., and achieve the effects of simple structure, accurate and reliable sampling, and good use effect.
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[0009] With reference to accompanying drawing, this vacuum type fixed depth sampler is provided with a cylindrical body 1, and the upper end of cylindrical body 1 is provided with upper sealing cover 2, and upper sealing cover 2 is provided with pipe joint 3, and pipe joint 3 is provided with inlet, Exhaust pipe 4, intake and exhaust pipe 4 are provided with scale 5, and the end of intake and exhaust pipe 4 is provided with filling and deflation valve 6. Said upper sealing cover 2 and the cylindrical body 1 are respectively provided with upper threads 7, and the upper sealing cover 2 and the cylindrical body 1 are threaded. The lower end of the cylindrical body 1 is provided with a lower sealing cover 8, and the lower sealing cover 8 is provided with a shaft hole 9 and a water inlet hole 10, and a pin shaft 11 is arranged in cooperation with the shaft hole 9, and a water inlet valve is provided at the upper end of the pin shaft 11 12. The...
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