Presafe 0053X GLK-300 Signal Processing Unit Issued by Presafe Certificate type IECEx Certificate of conformity Certificate no IECEx PRE 14.0053X Expiration date 31.12.2099 Document file IECEx_PRE_14.0053X_Issue 2, Signed.pdf Related file(s) IECEx_PRE_14.0053X_Issue 1.pdf