Solinst 404 Inertial Pump Non-hazardous and manufacturing sites

and manufacturing sites

Used with: DO200

) Ordering Information HI9142 is supplied complete with HI76407 DO probe

hydrogen sulfide (H2S)

and carbon monoxide (CO) in a slim

Solinst 404 Inertial Pump Non-hazardous and manufacturing sitesThe Solinst 404 Inertial Pump is a hand operated groundwater sampling pump with no external moving parts, batteries, or compressed gas source. A footvalve a short stainless steel or Delrin fitting holding a single check ball is crimped into the end of a length of tubing and lowered below the water's static level. Jerking the tubing up and down in short, rapid strokes opens and closes the check ball with each stroke, trapping successive slugs of water