Welcome to Cal Gas Direct

Cal Gas Direct supplies precision, NIST-traceable multi-gas calibration mixtures and multi-component reference standards engineered for daily sensor bump verification and full span calibration of multi-sensor portable and fixed gas detection systems. From standard confined space entry monitors to specialized multi-toxic industrial arrays and hypoxic incubation chambers, our multi-gas cylinders deliver certified analytical accuracy, long-term stability, and complete compliance with OSHA safety standards.
Need a custom multi-gas concentration, alternative combustible simulant, or dedicated regulator pairing? Contact our technical team for custom blend formulation and immediate fulfillment.