Solinst 404 Inertial Pump Non-hazardous The Geotech PES 900cm2 dispos-a-filter™

The Geotech PES 900cm2 dispos-a-filter™ has the largest filter media option in its class

Traceable to NIST: Our solutions are traceable to National Institute of Standards and Technology (NIST) standards

5 VDC across a 125 ohm resistor) that can run up to 3

Used with: DO200

ideal for direct deployment in streams

Solinst 404 Inertial Pump Non-hazardous The Geotech PES 900cm2 dispos-a-filter™The 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