BW Technologies CG-ZERO-34 Zero Air Calibration Gas - 20.9% vol. (O2) 34LS

[[start tab]] Description BW Technologies equivalent 20.9% (O2) Zero Air zero calibration gas cylinder used to calibrate BW gas detection equipment. Fully compatible with BW Technologies gas detectors requiring zero air to zero sensors for calibration. 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 calibration gas mixtures. Subject to hazardous materials shipping requirements. [[end tab]] [[start tab]] Technical Specs Target Gas: Zero Air Concentration: 20.9% (O2) Balance Gas: Nitrogen Gas Type: Non-Reactive Cylinder Size: 34LS Part Numbers: BW Part Number: CG-ZERO-34 GASCO Part Number: 34LS-1 Manufactured by: Gasco Affiliates, LLC Shelf Life: 48 Months Regulator Compatibility: CGA 600 valve inlet. Control Valve (CV-2)Fixed Flow (70 Series)Demand Flow (75-DFR)Dial-a-Flow (74-DAF)Fixed Flow Push Button (7