GASTEC P-182-H Permeation Tube Methylamine
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Generating calibration gas with a permeation tube.
Concentration range 0.5 – 25.6 ppm.
*As Permeation tubes have individual differences in permeation rates, the above concentration ranges may differ slightly from the actual range that can be controlled.
The Gastec P-182-H is a high-concentration permeation tube designed for the generation of Methylamine ($CH_{3}NH_{2}$) calibration gas. It is primarily used with the Gastec Permeater system (such as the PD-1C or PD-1B) to provide a stable, traceable gas standard for calibrating gas detectors and analyzers.
Features of Gastec P-182-H Permeation Tube Methylamine
Continuous Generation: Capable of generating a stable concentration of Methylamine over long durations.
Precision Calibration: Used as a reliable alternative to high-pressure gas cylinders, which can be unstable for reactive gases like amines.
High-Rate Diffusion: The “H” designation indicates a high-concentration variant, typically used to reach ppm (parts per million) levels rather than ppb (parts per billion).
Reliable Methodology: The concentration is determined through physical measurements: the weight loss of the tube (permeation rate) and the flow rate of the dilution gas.
Specifications of Gastec P-182-H Permeation Tube Methylamine
| Property | Details |
| Chemical Name | Methylamine |
| Chemical Formula | $CH_{3}NH_{2}$ |
| Model Number | P-182-H |
| Concentration Range | 0.5 – 25.6 ppm (Typical) |
| Standard Temperature | Calibrated at 35°C or 40°C (Typical) |
| Generation Method | Permeation through a fluororesin membrane |
| Accuracy | Approximately $\pm 3\%$ (when used with a calibrated Permeater) |
| Shelf Life | Typically 2–3 years (varies based on storage) |
| Storage Requirements | Store in a cool, dark place; often requires refrigeration to preserve the chemical lifespan. |
For more information and price: Gastec P-182-H Permeation Tube Methylamine
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