Solinst Model 615C Stainless Steel Piezometers (c/w compression) 

Key Features

• Affordable method to monitor shallow groundwater and soil vapor
• Attach to inexpensive 3/4" (20 mm) NPT steel drive pipe
• Can be used for permanent well points or short-term monitoring applications

Overview
Solinst Model 615C Drive-Point Piezometer uses a high quality stainless steel piezometer tip, 3/4" NPT pipe for drive extensions and LDPE or Teflon sample tubing, if desired. Where an air-tight connection is most desirable, combine these with an inexpensive Slide Hammer to create a complete system.