• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

PMS Instrument Company

  • Home
  • About Us
    • Biography of Henry Dixon
    • Biography of John Joly
    • Biography of Per Scholander
    • History of PMS Instrument – Joe Zaerr
    • History of the Scholander Pressure Chamber
  • Products
    • Model 600
    • Model 600D
    • Model 600-EXP Super Chamber
    • Model 615
    • Model 615D
    • Model 670
    • Model 1000
    • Model 1505D
    • Model 1505D-EXP
    • Model 1515D
    • Pump-Up Chamber
  • Agriculture
    • Using a Pressure Chamber with wine grapes
    • Using a Pressure Chamber with Almond
    • Using a Pressure Chamber with Walnuts
    • Using a Pressure Chamber with Prunes
    • Stress levels, crop tables and information
  • Maintenance
  • Resources
    • References
  • How to Order
  • Contact Us
  • Show Search
Hide Search
You are here: Home / Picture Tutorials, Videos and maintenance information / Using the Grass Compression Gland

Using the Grass Compression Gland

Warning!Important Safety Information
« Click Here


Watch this video on YouTube

The Grass Compression Gland can be used to seal samples of bladed grass. If the grass is has a rounded blade, you can use the regular Compression Gland. The Grass Compression Gland can seal samples up to 3/4” wide and a maximum center width of 1/8” wide. The opening is slightly eliptical – it is tapered toward the edges. It can be used on any type of bladed grass that will fit in it. Also will work young corn leaves. The seal is not wide enough for adult corn leaves.

Using the Grass compression gland PMS Instruments

Prepare the sample to be sealed.

Using the Grass compression gland PMS Instruments

Insert the sample from the bottom of the lid.

Using the Grass compression gland PMS Instruments

Push the sample so that it barely protrudes through the top of the lid.

Using the Grass compression gland PMS Instruments

The end of the sample will look something like this.

Using the Grass compression gland PMS Instruments

Tighten the Compression Gland by twisting the Compression Screw clockwise.

Primary Sidebar

More Resources:

  • Instruments
    • Instrument Quick-Connect Couplers
    • Filling the Model 610 internal Portable Tank
    • Filling the Model 615, Model 615D or Model 1515D Internal Tank
    • Filling the Portable Tank
    • Sealing a sample in the Compression Gland Cover
    • Setting the Rate Valve
    • What it should look like when it’s all hooked up
  • Making the Measurements – Plant Moisture Stress
    • Interpreting Data
    • Making the Measurement of the Plant Sample
    • Measuring Leaf Water Potential in Wine Grapes
    • Measuring Stem Water Potential (SWP)
    • Measuring Stem Water Potential in Almond Trees
    • Measuring Stem Water Potential in Prune Trees
    • Measuring Stem Water Potential in Walnut Trees
    • PMS – Meaning and Importance
    • Stress levels, crop tables and information
    • Using a Pressure Chamber with Almond
    • Using a Pressure Chamber with Walnuts
    • Using a Pressure Chamber with wine grapes
    • Using a Pressure Chamber with Prunes
    • What kind of plants can be measured?
    • When to make measurements
  • Accessories to Nitrogen Gas Units
    • Installing the Almond Compression Gland Gasket and Insert
    • Installing the Grass Compression Gland
    • Using the Grass Compression Gland
    • Pressure Regulators: Do I need one?
    • Using the Grass Compression Gland with corn
    • Sealing a sample using inserts, gaskets and tools
    • Standard Sealing System

Copyright © 2025 PMS Instrument Company | LOGIN