Water sampling method

The easiest way to sample water is to throw a bucket to get the surface water.

You need to use a water sampler to get water at the desired depth.

Typical water samplers include the Vandoorne water sampler and the Niskin water sampler, and the system traps water by lowering the container to the desired water depth and closing the lids on both sides with a messenger.

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water sampling

Niskin Water Sampler