Discrete Interval Sampler Assembly

Note:

The PTFE check ball sinks in water. The Polypropylene check ball floats in water.

solinst discrete interval sampler schematic

Model 425 Mk3 2" x 2 ft. Discrete Interval Sampler (115012)

  1. If required, a small (2 mm) Allen key can be used to tighten and/ or loosen the Barb Fitting and Safety Line Bracket on the Upper Check Ball Body. There should be a V-006 o-ring on the Barb Fitting.
  2. Ensure there is a V116 o-ring installed on the Upper Check Ball Body and place a V-203 o-ring inside the Upper Check Ball Body.
  3. Place the Polypropylene check ball in the Check Ball Retainer and press the Check Ball Retainer into the Upper Check Ball Body.
  4. Thread the Upper Check Ball Body assembly into the top of the Upper Platen until it is finger tight.
  5. Ensure there are two V-131 o-rings installed on the Upper Platen and thread the Rod Connector into the bottom of the Upper Platen.
  6. Ensure there is a V-116 o-ring installed on the Decanter Body and push the V-010 o-ring and V-203 o-rings inside the Decanter Body.
  7. Place the PTFE check ball in the Check Ball Retainer and press the Check Ball Retainer into the Decanter Body.
  8. Thread the Decanter Body assembly into the Bottom Platen until it is finger tight.
  9. Ensure there are two V-131 o-rings installed on the Bottom Platen and thread the Bottom Platen assembly onto the Rod Connector.
  10. Thread one end of the Retaining Rod about halfway into the Upper Platen assembly.
  11. Insert the Upper Platen assembly into the Sampler Body and thread the other end of the Retaining Rod into the Bottom Platen assembly.
  12. Thread the Upper Platen and Bottom Platen assemblies into the Sampler Body until both Platens are tight to the Sampler Body.
  13. Push the tubing onto the Barb Fitting. Check the connection by pulling firmly on the tubing. It should not pull off of the fitting.

Note:

Use an awl to open the very tip of the tubing, or heat the tubing to help push it completely over all the barbs.

Tubing Connection

solinst discrete interval sampler 2 inch version top platen with tubing connections illustration