Key Parameters & Specifications Model Series: 1151 (Rosemount Alphaline) Type: High Static Pressure Differential Pressure Transmitter Model Designation: 1151HP (High Static Pressure variant) Pressure Range: 300 (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: 142U2 (Specific housing configuration with options) Custom Suffix: 165240 (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 Range 300: Suitable for medium-range differential pressure applications Custom Configuration: Factory-configured per customer specifications with 165240 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 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)