NUOVA FIMA: Explosion Proof Diaphpragm Pressure Switch 3.40 - 3.49 - IP65

Diaphragm pressure switches ATEX flameproof enclosure Type of ignition protection: Ex d IIC T6 as per EN 60079-0, EN 60079-1 and Ex tD A21 IP65 T85° C as per EN 61241-0, EN 61241-1. Protection: IP 65 as per EN 60529. Ranges: 0...1 bar/ 0...160 bar; -1...0 bar. Electrical specifications: N. 1...2 SPDT microswitches, or N.1 with adjustable differential ( see microswitches table) . Differential: fixed, or adjustable 10% ...50% of setting range ( see microswitches table) . Repeatability: ” 1% of the full setting value. Set-point adjustment: internal, micrometric adjustable. Earth contacts: N. 1 internal, N. 1 external. Process fluid temperature: -4...+ 140° F ( -20...+ 60 ° C) . Ambient temperature: -4...+ 149° F ( -20...+ 65 ° C) . Thermal drift: ” 0, 027% / ° F ( ” 0, 05% / ° C) . Process connection: AISI 316 st.st. Elastic element: AISI 316 st.st. diaphragm for pressure ranges ” 2, 5 bar; carbon steel diaphragm covered with AISI 316 st.st. for pressure ranges > 2, 5 bar. Diaphragm PTFE gasket. Case: aluminium, blue polyurethane painted. Cover: aluminium, beige polyurethane painted. Tag: AISI 304 st.st., etched. Tell-tale vents: polypropylene.