GASTEC Water Vapour Detector Tubes – Multiple Moisture Measurement Ranges

GASTEC Water Vapour Detector Tubes

GASTEC Water Vapour Detector Tubes provide a convenient, direct-reading method for measuring water vapour and moisture concentrations in gas samples. Designed for use with compatible GASTEC gas sampling equipment, these colorimetric detector tubes provide an efficient way to perform on-site moisture measurements without requiring complex electronic instrumentation or laboratory analysis.

Four measurement options are available for different moisture testing requirements, including ranges expressed in mg/L and LB/MMCF. This allows users to select the GASTEC Water Vapour Tube that best matches the concentration range and measurement units required for their specific gas sampling application.

Choose the Water Vapour Detector Tube for Your Application

GASTEC offers multiple Water Vapour Detector Tubes designed for different moisture concentration ranges. Select the appropriate GASTEC product number based on the anticipated water vapour concentration, required measurement units, and sampling application.

GASTEC Product Number	Water Vapour Measurement Range
6	0.5–32 mg/L
6L	0.05–2 mg/L
6LP	3–100 LB/MMCF
6LLP	2–10 LB/MMCF

 

Direct-Reading Water Vapour Measurement

GASTEC detector tubes use a chemical detection reagent that responds as a measured volume of sample gas passes through the tube. The resulting color-change layer provides a visual indication that can be interpreted using the calibrated tube scale and the instructions supplied for the specific GASTEC product number.

This direct-reading approach provides a practical solution for spot measurements, field testing, industrial process checks, gas quality assessments, maintenance, and troubleshooting where moisture content needs to be evaluated directly at the sampling location.

Water Vapour Measurement in mg/L

For applications requiring measurements expressed in milligrams per liter, the GASTEC No. 6 provides a measurement range of 0.5–32 mg/L. For lower moisture concentrations, the GASTEC 6L provides a range of 0.05–2 mg/L.

These options provide flexibility when monitoring water vapour across different industrial gas and air sampling applications where moisture concentration is expressed in mg/L.

Water Vapour Measurement in LB/MMCF

GASTEC also offers Water Vapour Detector Tubes with measurement ranges expressed in pounds of water per million standard cubic feet (LB/MMCF). The GASTEC 6LP provides a range of 3–100 LB/MMCF, while the GASTEC 6LLP provides a lower range of 2–10 LB/MMCF.

These measurement ranges are particularly useful for applications where moisture content in a gas stream is specified or monitored using LB/MMCF rather than a volumetric concentration such as ppm.

Key Features

• Designed specifically for water vapour and moisture measurement
• Four GASTEC product and measurement range options available
• Measurement options available in mg/L and LB/MMCF
• GASTEC No. 6 range: 0.5–32 mg/L
• GASTEC 6L range: 0.05–2 mg/L
• GASTEC 6LP range: 3–100 LB/MMCF
• GASTEC 6LLP range: 2–10 LB/MMCF
• Direct-reading colorimetric measurement method
• Designed for rapid on-site moisture measurements
• Compact solution for field and industrial gas testing
• Designed for use with compatible GASTEC gas sampling equipment

Common Applications

• Water vapour measurement
• Moisture measurement in gas streams
• Industrial gas testing
• Natural gas moisture testing
• Gas quality checks
• Industrial process monitoring
• Compressed gas applications
• Pipeline and gas system testing
• Process gas troubleshooting
• Maintenance inspections
• Field gas measurements
• Industrial moisture monitoring

Important Range Selection Information

Water vapour measurement requirements can vary considerably depending on the gas being tested, expected moisture concentration, operating conditions, and measurement units required. Individual GASTEC product numbers may have different sampling procedures, sample volumes, measurement times, temperature considerations, and correction requirements. Always follow the instructions supplied with the specific Water Vapour Detector Tube being used.

GASTEC Detector Tubes for Professional Moisture Measurement

Activated Carbon Depot supplies GASTEC detector tubes and gas sampling equipment for industrial facilities, environmental professionals, laboratories, maintenance teams, process operators, and gas testing applications. With Water Vapour Detector Tubes available for measurements in both mg/L and LB/MMCF, users can select the GASTEC product number that best matches their moisture measurement requirements.