Industrial Scientific 1810-9156 Equivalent Calibration Gas: 2.5% vol. Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

2.5% vol. Methane / 18% Oxygen / 100 ppm Carbon Monoxide / 25 ppm Hydrogen Sulfide / Balance Nitrogen

• Industrial Scientific multi-mixture calibration gas used to calibrate ISC gas detection equipment.
• Fully compatible with Industrial Scientific gas detectors requiring specified cal gas mixture.
• Precision blended and inspected to industry standards - National Institute of Standards and Technology (NIST) traceable and certified.
• Made in the USA by GASCO, ISO 9001:2008 Certified.

Contact us for custom dual, triple and quad span gas mixtures.

Subject to hazardous materials shipping requirements.

Note: ISC Calibration Gas By GASCO is an equivalent and does not include an iCard.