
Hydrogen Sulfide (H₂S) Calibration Gas
- NIST traceable, 300 ppb to 10% vol range
- Stable mix via proprietary cylinder treatment
- Fits most H2S detectors for bump & calibration
NIST Traceable Gas Standards
OSHA Compliant Calibration
Hydrogen Sulfide Detection Tubes (100–2000 PPM) are precision calibration gas standards used to verify and calibrate H2S gas detectors and monitors. Produced by SpecGas Inc. with proprietary cylinder treatment technology, these NIST traceable standards ensure stable, accurate readings across petrochemical, wastewater, oil and gas, and industrial applications.


SpecGas Inc. offers Hydrogen Sulfide (H2S) calibration gas from 300 ppb up to 10% of total volume, covering low PPB levels through mid-PPM and high-concentration ranges. Custom blends in the 100–2000 PPM range are available to match specific detector calibration requirements for industrial or environmental applications.
Talk to our experts for custom solutions and tailored guidance.

H2S calibration gas supports detector verification in refineries, exploration sites, and petroleum processing operations.

Ensures accurate H2S monitoring in treatment plants and confined spaces to protect worker safety and meet compliance standards.

Used as a catalyst and calibration standard in metal purification and industrial manufacturing process environments.

Supports H2S detector calibration in fertilizer pits, biodigesters, and environmental air quality monitoring programs.
Talk to our experts for custom solutions and tailored guidance.
SpecGas's one-of-a-kind internal cylinder treatment ensures H2S reactive gas mixtures remain stable with an extended shelf life, delivering consistent calibration results every time.
Every H2S calibration gas is produced to NIST traceable standards using state-of-the-art equipment, giving you verified accuracy for detector calibration and bump testing compliance.
With over 20 years of specialty gas expertise and in-house blending, SpecGas delivers faster than industry-standard lead times with rush service available when your operation needs it.
Submit your concentration and cylinder requirements. Our specialists will respond promptly with pricing and availability.
For immediate assistance, feel free to give us a direct call at (215) 443-2600. You can also send us a quick email at website-inquiries@specgasinc.com.
For immediate assistance, feel free to give us a direct call at (215) 443-2600. You can also send us a quick email at website-inquiries@specgasinc.com.