Rubber, vulcanized or thermoplastic. Resistance to ozone cracking - Reference and alternative methods for determining the ozone concentration in laboratory test chambers Ingestion-build-251241 – control and protective switching

– control and protective switching devices (or equipment) (CPS) (IEC 60947‑6‑2)

01 and APPENDIX Detailed Requirements for ECHONET Device objects Release B because this interface will be used in future products

Storage equipment for underground mining

making the grid for the latter a subset of the grid for the former

Data is represented by object instances

Rubber, vulcanized or thermoplastic. Resistance to ozone cracking - Reference and alternative methods for determining the ozone concentration in laboratory test chambers Ingestion-build-251241 – control and protective switching1 Scope This document describes three types of method for the determination of ozone concentration in laboratory test chambers. Method A UV absorption: this is the reference method, and is used as the means of calibration for the alternative methods B and C. Method B Instrumental techniques: B1: electrochemical B2: chemiluminescence Method C Wet chemical techniques: Procedure I Procedure II Procedure III