Presafe 18ATEX 13741X SENTRY Wireless Temperature Monitoring Issued by DNV GL Presafe AS Certificate type Presafe 18ATEX 13741X zone 1 GB-300 Certificate no 18ATEX13741X Expiration date 31.12.2040 Document file Presafe 18 ATEX 13741X Issue 1, sign.pdf Related file(s)