Gastec Gas Tubes

Hexane Gas Detection Tube – 10–1200 ppm

This hexane gas detection tube is designed for accurate air sampling of hexane vapor from 10 to 1200 ppm, supporting solvent exposure monitoring, industrial hygiene programs, and workplace safety control. Why professionals use it: Wide hexane vapor...

Higher Hydrocarbons Gas Detection Tube – 100–3000 ppm

This higher hydrocarbons gas detection tube is designed for rapid air sampling of heavier hydrocarbon vapors from 100 to 3000 ppm, supporting leak investigations, industrial hygiene programs, and workplace safety control. Why professionals use...

Hydrazine Gas Detection Tube – 0.05–2 ppm

This hydrazine gas detection tube is engineered for precise air sampling of hydrazine vapor from 0.05 to 2 ppm, supporting low-level exposure monitoring, industrial hygiene programs, and workplace safety control. Why professionals use it: Ultra-low...

Hydrogen (H₂) Gas Detection Tube – 0.5–2%

This hydrogen gas detection tube is designed for accurate percent-level air sampling of hydrogen vapor from 0.5 to 2%, supporting leak investigation, process safety checks, and workplace explosion-risk control. Why professionals use...

Hydrogen Chloride (HCl) Gas Detection Tube – 0.2–76 ppm

This hydrogen chloride gas detection tube is designed for accurate air sampling of HCl vapor from 0.2 to 76 ppm, supporting low-to-mid range exposure monitoring, industrial hygiene programs, and workplace safety control. Why professionals use...

Hydrogen Chloride (HCl) Gas Detection Tube – 1–100 ppm

This hydrogen chloride gas detection tube is designed for extended air sampling of HCl vapor from 1 to 100 ppm, making it ideal for long-term exposure monitoring, industrial hygiene surveys, and workplace safety evaluations. Why professionals use...

Hydrogen Chloride (HCl) Gas Detection Tube – 10–1000 ppm

This hydrogen chloride gas detection tube is designed for rapid air sampling of HCl vapor from 10 to 1000 ppm, supporting exposure monitoring, industrial hygiene programs, and workplace safety control. Why professionals use it: Mid-range hydrogen...

Hydrogen Chloride (HCl) Gas Detection Tube – 50–5000 ppm

This hydrogen chloride gas detection tube is designed for rapid air sampling of HCl vapor from 50 to 5000 ppm, supporting high-range exposure monitoring, industrial hygiene programs, and workplace safety control. Why professionals use it: Wide...

Hydrogen Cyanide (HCN) Gas Detection Tube – 0.05–1.6%

This hydrogen cyanide gas detection tube is designed for rapid percent-level air sampling of HCN vapor from 0.05% to 1.6%, supporting emergency response, confined-space safety checks, and high-concentration exposure control. Why professionals use...

Hydrogen Cyanide (HCN) Gas Detection Tube – 0.2–10 ppm

This hydrogen cyanide gas detection tube is designed for accurate air sampling of HCN vapor from 0.2 to 10 ppm, supporting low-level exposure monitoring, industrial hygiene programs, and workplace safety control. Why professionals use it: Low-ppm...

Hydrogen Cyanide (HCN) Gas Detection Tube – 0.36–120 ppm

This hydrogen cyanide gas detection tube is designed for reliable air sampling of HCN vapor from 0.36 to 120 ppm, supporting exposure monitoring, industrial hygiene programs, and workplace safety control across a wide concentration range. Why...

Hydrogen Cyanide (HCN) Gas Detection Tube – 17–2400 ppm

This hydrogen cyanide gas detection tube is designed for rapid air sampling of HCN vapor from 17 to 2400 ppm, supporting high-range exposure monitoring, emergency response, and industrial safety control. Why professionals use it: Extremely wide...