| | | Overview Flameproof sensors are designed to contain an explosion as well as prevent the transmission of an explosion to the surrounding atmosphere. These sensors are suitable for use in Zone 1 or Zone 2. • Approved for use in hazardous locations defined by IEC/EN 60079-0 and IEC/EN 60079-1, ATEX directive 94/9/EC (KEMA 03 ATEX 2389), and II 2 G EEx d IICT6 • Features tip-sensitive, all stainless or MgO filled RTD probe for fast response • Spring-loaded holder ensures good probe contact • U.S. or metric threads Specifications Tip-sensitive probe: Stainless steel with copper alloy tip. All stainless RTD: Stainless steel. MgO filled RTD: Inconel. Fittings: Stainless steel. Connection head: CH356: 316L stainless steel IP66,Type 3, 4, and 4X. CH357: Aluminum alloy IP65,Type 3 and 4. CH358: Epoxy coated aluminum alloy IP66,Type 3,4, and 4X. | | Pressure rating: Spring-loaded holder: 50 psi (3.4 bar). Fluid seal fitting: 100 psi (6.9 bar). Insulation resistance: 100 megohms min. at 100 VDC, leads to probe case. Connection: Terminal block for wires up to AWG 14. Time constant:Typical value in moving water. Tip sensitive: Single element 1.5 seconds. Dual element 7 seconds. All stainless and MgO filled: 10 seconds. | | |