he VMS, FMS and ETAMATIC are tested by TÜV Bavaria. All units comply with the relevant EN standards (EN-298 and EN-230) and thus are licensed across Europe for operation in combustion systems. Over and above that, they meet in part the more stringent demands of TRD-604. They are licensed under DIN-DGVW. The integral FMS leakage monitor meets the requirements of DIN V3447 and of prEN1643. The integral output regulator complies with DIN