To use the Coliwasa, simply turn the bar on the top of the handle, insert slowly into the drum to collect liquid in the column, pull the top handle to seat the bottom valve plate, and spin the top handle closed, trapping the liquid in the sampler.
Features & Benefits
Manufactured from clear PVC
Uniquely designed top spin bar and bottom valve plate mechanism provides a positive seal for sample retention along with greater control for releasing the sample
Sampling can be achieved up to 20’
Modular design adds flexibility by enabling the connection of several sections to form a longer sampling unit up to 20’ (610cm)
Provided with a 48” long cleaning brush
Dimensions (ID x OD): 1 3/8” x 1 5/8” (3.5 x 4.12cm)