Solinst 429 Point Source Bailer Size:0.5" x 4ft and machine cleaning

and machine cleaning

000 sets of temperature and water level data

Quatro handheld

and temperature — with automatic salinity compensation and an internal barometer for the most accurate DO readings

Solinst 429 Point Source Bailer Size:0.5" x 4ft and machine cleaningThe Solinst 429 Point Source Bailer is a reusable stainless steel bailer built to collect a sample from one specific depth in an open borehole or screened well without mixing it with water from other depths. Ball valves at the top and bottom stay open during descent, letting water pass freely through the tube; once at the target depth, raising the bailer at a steady rate forces both ball valves shut under the weight of the water column, sealing in the