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You are here: Home / Picture Tutorials, Videos and maintenance information / Sealing a sample using inserts, gaskets and tools

Sealing a sample using inserts, gaskets and tools

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Gaskets Inserts and Tools PMS Instruments

This sealing system is our original system and has since been updated with the Compression Gland Cover which is standard in all of our Pressure Chambers. This system uses a series of various sized inserts, gaskets and be used with insertion tools as shown here. If your instrument is fitted with the Compression Gland you might try looking at our tutorial of sealing a sample with the Compression Gland Cover. The Standard Sealing System allows the user to seal samples up to 1/2 inch in diameter and also seal bladed grass samples. Follow these steps:

Gaskets Inserts and Tools PMS Instruments

You have by now, a cut sample and are ready to introduce it to the Chamber Cover

Gaskets Inserts and Tools PMS Instruments

First, introduce the insertion tool into the hole of the gasket from the smaller side of the gasket

Gaskets Inserts and Tools PMS Instruments

slide the tool through the gasket

Gaskets Inserts and Tools PMS Instruments

Next, introduce the sample into the insertion tool

Gaskets Inserts and Tools PMS Instruments

slide the sample into the tool so that it will pass through the gasket

Gaskets Inserts and Tools PMS Instruments

Now, remove the insertion tool so that the sample is being held by the gasket

Gaskets Inserts and Tools PMS Instruments

Introduce the sample through the hole in the insert

Gaskets Inserts and Tools PMS Instruments

so that the sample is showing through to the top of the chamber lid

Gaskets Inserts and Tools PMS Instruments

Slide leafy side of sample into chamber

Gaskets Inserts and Tools PMS Instruments

Push down and turn to lock lid onto chamber

This process will require the user to decide on which insert, insertion tool and gasket to use with which sample. This takes a little bit of experience in learning how to make the best seal with different types of samples.

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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

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