Key Parameters & Specifications Model Series: 1151 (Rosemount Alphaline) Type: High Static Pressure Differential Pressure Transmitter Model Designation: 1151HP (High Static Pressure variant) Pressure Range: 305 (Typically 0-30 to 0-300 inH₂O or equivalent range) Diaphragm Material: C (Hastelloy® C-276 - corrosion-resistant alloy) Fill Fluid: B (Typically Silicone Oil - specific application variant) Process Connection: A (¼-18 NPT on standard centers for manifold mounting) Housing Material: C (Epoxy-coated cast aluminum with specific options) Electrical Connection: A (½-14 NPT conduit entry with screw terminals) Output Signal: 4-20 mA DC (two-wire) Housing Code: 115U2 (Specific housing configuration with options) Custom Suffix: 115190 (Indicates specific calibration, materials, or custom configurations) Key Features High Static Pressure Capability: Designed for applications with elevated line pressure Hastelloy C-276 Wetted Parts: Excellent corrosion resistance for aggressive media including acids, caustics, and harsh chemicals Range 305: Suitable for medium-range differential pressure applications Custom Configuration: Factory-configured per customer specifications with 115190 suffix Typical Applications Flow measurement with orifice plates in high-pressure pipelines Level measurement in pressurized vessels Filter monitoring in high-pressure systems Pump protection applications Chemical and petrochemical processes Refining and hydrocarbon processing Specifications Details Parameter Value Static Pressure Rating Typically up to 3000 psi or 6000 psi depending on configuration Temperature Limits -40°F to 250°F (-40°C to 121°C) with silicone fill Accuracy Typically ±0.1% to ±0.2% of span Stability ±0.2% of URL for 12 months Output 4-20 mA DC Power Supply 12-45 V DC Turn-on Time 2.3 seconds maximum Response Time 0.2 seconds typical Zero Shift ±0.25% of URL per 1000 psi (69 bar) Damping Adjustable electronically Range 305 0-30 to 0-300 inH₂O typical span limits