4-Gas Calibration Mix (RKI Equivalent): H₂S 25 ppm, CO 50 ppm, CH₄ 2.5% (50% LEL), O₂ 12%, Iso 100ppm

4-Gas Calibration Mix: H₂S 25 ppm, CO 50 ppm, CH₄ 2.5% (50% LEL), O₂ 12%, ISO 100ppm (Compatible with RKI Part # 81-0154RK-08, 81-0154RK-02)

Enhance your calibration processes with our high-quality 4-gas calibration mix. Blended with 25 ppm Hydrogen Sulfide (H₂S), 50 ppm Carbon Monoxide (CO), 2.5% Methane (CH₄) equivalent to 50% LEL, and 12% Oxygen (O₂), our gas is available in 34L, 58L, and 120L cylinders. Each cylinder is equipped with a C-10 connection, ensuring seamless compatibility with a wide range of gas detection and analytical equipment.

Key Features:

• High-Quality Composition: Precisely blended for accurate calibration of your instruments, including 25 ppm H₂S, 50 ppm CO, 2.5% CH₄ (50% LEL equivalent), and 12% O₂.
• Multiple Cylinder Sizes: Available in 34L, 58L, and 120L cylinders to meet your specific calibration needs.
• C-10 Connection: Standardized C-10 valve connection for seamless integration with various devices.
• Made in the USA: Manufactured domestically, adhering to strict quality control standards.
• ISO 9001:2015 Certified: Produced in facilities that meet international quality management system standards.
• RKI Compatibility: This gas is compatible with RKI part numbers 81-0154RK-08 (34L) and 81-0154RK-02 (58L).

Shipping and Return Policy:

• HazMat Shipping: Due to hazardous material regulations, this item ships via UPS Ground and is not eligible for expedited shipping.
• Non-Returnable: Calibration gases are non-returnable. Please verify your selection carefully before placing an order.

Shelf Life: 24 Months

Ensure the accuracy and reliability of your gas detection equipment with our premium calibration gas solutions.