Fema Pressure monitor (Ex-d) for burnable gas (Ex-DGM) For overpressure monitoring in Ex-applications of fuel gases. Degree of Ex-protection: Ex II 2G Ex d e IIC T6 Gb, Ex II 1/2D Ex ta/tb IIIC T80 oC Da/Db Kind of pressure: overpressure, relative Pressure connection: internal thread G1/4, external thread G1/2 Electrical connection: terminal connection M16x1,5 Protection class: IP65 Housing material: rugged housing of seawater resistant aluminium die casting GD Al Si 12 Sensing element material: 1.4104 + 1.4571 Media temp.: -15...60C Media temp. limit: Higher temperatures are possible, provided that the limit is safeguarded by suitable measures (e.g. water tube trap, see Accessories for Pressure Switches / Transmitters) Ambient temperature: -15...60C Ambient temp. limit: at temperatures below 0 oC, ensure that no water condensation can arise in the sensor and in the switching device Switch function/capacity: SPDT Microswitch 250 Vac; capacity 2 A inductive, 3 A resistive Certificates: CE-0085 AQ 1088 according EU/2009/142/EG (30.11.2009) and DIN EN 1854 (01.07.2006) IBExU12ATEX1040 according ATEX 94/9/EG SIL2 according IEC 61508-2