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The PX831 is a durable, accurate, fixed range transmitter designed to give years of stable performance in even the toughest environmental and media conditions. The small size and lightweight of the PX831 eliminates the need for complicated mounting hardware and mechanical supports, thereby reducing installation time substantially. The in-line connection permits simple field wiring without the need for additional hardware, adding to the speed and ease of installation. With its all welded design, the PX831 is weatherproof and capable of withstanding a direct spray with forces up to 200 psi without internal leakage. All 316 stainless steel housing and wetted parts make it compatible with corrosive media and hazardous environments. The PX831 is designed to meet FM explosion-proof ratings and NACE standards for offshore requirements.
SPECIFICATIONS Excitation: 12-30 Vdc Output: 4 to 20 mA (2 wire) Max Loop Resistance: 900 Ohms @ 30 Vdc Accuracy: ±0.3% of span @ 25°C (includes linearity, hysteresis, and repeatability) Zero Offset: 4 mA ±2% of span Span: 16 mA ±1% of span Storage Temperature: -40 to 100°C (-40 to 212°F) Process Temperature: -40 to 100°C (-40 to 212°F) Ambient Temperature: -40 to 60°C (-40 to 140°F) Thermal Effects: (Zero and span combined) ±2% per 50°F (28°C) between -40 to 60°C (-40 to 140°F) Proof Pressure: 300% of rated pressure Humidity Limits: 0 to 100% RH Vibration Effect: ±0.1% FS for 3 g to 200Hz Housing: 316 stainless steel, NEMA-4 rated Wetted Parts: 316 L stainless steel Fill Fluid: DC 200 silicone Process Connection: 1/2 NPT female Electrical Connection: 24", 22 AWG cable with 3/4 NPT female conduit port Weight: 374 g (0.87 lb) Approvals
Factory Mutual: Explosion-proof for
Class I, Division I, Groups B, C and D;
Class II Groups E, F and G; and Class III
Hazardous Locations and Indoor and
Outdoor NEMA 4 (IP65) Enclosure
Canadian Standards Association: Explosion-proof for Class I,
Division I, Groups B, C and D; Class II
Groups E, F and G; and Class III
Hazardous Locations and meets CSA
requirements for Enclosure 4