Pressure/Differential Pressure: Compact size wide range Diaphragm and Piston versions Flush Diaphragm Externally adjustable set-point Weatherproof and Explosion-proof options - IP67Explosion-proof models certified to UL, CSA, CENELEC & ATEX Pressure ranges 0.21 to 1100 Bar [3 to 16000 PSI] DP range [1.2 to 5.2 Bar D] 1.2 to 75 PSID Process wetted parts options: Aluminium, 316SS, Monel and Hastelloy. Temperature: Direct mount and Capillary options Range from -7 to 49°C [20 to 650°F] Capillary lengths same as for 604 models.