For best results, use only Industrial Scientific calibration equipment for regular instrument calibration and maintenance. All Industrial Scientific calibration cylinders are manufactured to the highest quality standards and include NIST traceable blend techniques, analytical leak testing of every cylinder, certified component concentrations and clearly marked lot numbers and expiration dates.

Features:

• Hydrogen Sulfide, 25 PPM (34 L)

Must be used in conjunction with the GasBadge Plus Calibration Regulator (For Manual Calibration),
G408-4402 - Gas Monitor Regulator

Must be used in conjunction with the GasBadge Plus Calibration Demand Flow Regulator (For Automatic Calibration),
G511-0626 - Gas Monitor Demand Flow Regulator

Note: Sold in continental US only.