Gastec Gas Tubes

Sulfur Dioxide Detection Tube – 0.05 to 8%

This Sulfur Dioxide detection tube is engineered for high-concentration vapor monitoring across a broad 0.05 to 8% range. Designed for flexible field use, the tube delivers clear colorimetric results in approximately 30 seconds to 7.5 minutes when used...

Sulfur Dioxide Detection Tube – 0.1 to 25 PPM

This Sulfur Dioxide detection tube is engineered for low-level workplace air monitoring across a precise 0.1 to 25 ppm range. Designed for controlled sampling, the tube delivers clear colorimetric results in approximately 2 to 8 minutes when used with a...

Sulfur Dioxide Detection Tube – 0.2 to 100 PPM (Long-Term Sampling)

This Sulfur Dioxide detection tube is designed for extended-duration air monitoring across a controlled 0.2 to 100 ppm range. Unlike short-term spot tubes, this model supports long-term sampling from 1 to 10 hours, making it ideal for time-weighted...

Sulfur Dioxide Detection Tube – 0.5 to 60 PPM

This Sulfur Dioxide detection tube is designed for reliable low-to-mid range air monitoring across a controlled 0.5 to 60 ppm range. Built for sensitive field sampling, the tube delivers clear colorimetric results in approximately 1 to 8 minutes when...

Sulfur Dioxide Detection Tube – 1.25 to 200 PPM

This Sulfur Dioxide detection tube is designed for reliable mid-range workplace air monitoring across a versatile 1.25 to 200 ppm range. The tube provides clear, easy-to-read colorimetric results when used with a compatible detection tube pump, allowing...

Sulfur Dioxide Detection Tube – 10 to 600 PPM (Long-Term Sampling)

This Sulfur Dioxide detection tube is designed for extended-duration air monitoring across a wide 10 to 600 ppm range. Unlike short-term spot tubes, this model supports long-term sampling from 1 to 5 hours, making it ideal for time-weighted exposure...

Sulfur Dioxide Detection Tube – 20 to 3600 PPM

This Sulfur Dioxide detection tube is designed for fast, high-range workplace air monitoring across a broad 20 to 3600 ppm range. Built for efficient field use, the tube delivers clear colorimetric results in approximately 30 seconds to 3 minutes when...

Sulfuric Acid Detection Tube – 0.5 to 5 mg/m³

This Sulfuric Acid detection tube is designed for accurate low-level acid mist and vapor monitoring across a precise 0.5 to 5 mg/m³ range. Built for controlled field sampling, the tube delivers clear colorimetric results in approximately 5 minutes...

Sulfuryl Fluoride Detection Tube – 1 to 20 PPM

This Sulfuryl Fluoride detection tube is designed for accurate low-level workplace air monitoring across a controlled 1 to 20 ppm range. Built for reliable field sampling, the tube delivers clear colorimetric results in approximately 6 minutes when used...

TBM / DMS Detection Tube – 1 to 15 mg/L (TBM) & 1 to 15 mg/m³ (DMS)

This TBM and DMS detection tube is designed for accurate natural gas odorant monitoring across a dual measuring range of 1 to 15 mg/L for TBM and 1 to 15 mg/m³ for DMS. Built for efficient field sampling, the tube delivers clear colorimetric results...

Tetrachloroethylene (C₂Cl₄) Gas Detection Tube 0.1–9 PPM

The Tetrachloroethylene (C₂Cl₄) Gas Detection Tube is designed for low-level vapor detection and short-term air sampling in industrial hygiene, environmental, and solvent exposure monitoring applications. This tube provides a sensitive measuring range of...

Tetrachloroethylene (C₂Cl₄) Gas Detection Tube 1–75 PPM

The Tetrachloroethylene (C₂Cl₄) Gas Detection Tube is designed for rapid air sampling and mid-range vapor concentration measurements in industrial hygiene and solvent-handling environments. This tube offers a full measuring range of 1 to 75 ppm, making...