Key Parameters & Specifications
Model Series: 055 (Rosemount 1151 Alphaline)
Type: Differential Pressure Transmitter (Custom Engineered)
Model Designation: 1151DP (Differential Pressure variant - custom)
Housing Code: 055E (Specific custom housing configuration)
Pressure Range: 700 (Typically 0-700 inH₂O or equivalent high range)
Diaphragm Material: Y (Special/custom material - engineering specified)
Fill Fluid: X (Special/custom fill fluid - application engineered)
Process Connection: A (Standard ¼-18 NPT or equivalent)
Housing Material: R (Special material or coating)
Electrical Connection: A (½-14 NPT conduit entry with screw terminals)
Output Signal: 4-20 mA DC (two-wire)
Custom Suffix 1: 06311X (Specific calibration, materials, or custom configurations)
Special Designations
"Y" Diaphragm Material Code:
Indicates custom-engineered diaphragm material
Selected based on specific process compatibility requirements
May include exotic alloys (Tantalum, Monel, Hastelloy C-276, etc.)
Special coatings or surface treatments
"X" Fill Fluid Code:
Custom-engineered fill fluid for specific applications
Selected for extreme temperature ranges
May include high-temperature, low-temperature, or inert fluids
FDA-compliant or sanitary options
"R" Housing Material:
Special housing material or coating
May include stainless steel, special epoxy, or marine-grade coatings
Corrosion-resistant options for harsh environments
"06311X" Custom Suffix:
Specific calibration range and configuration options
Custom-engineered per application requirements
Factory-configured to customer specifications
May include special testing or certification
Key Features
Multiple Custom Elements: Several special designations indicate extensive engineering customization
High Pressure Range: 700 range suitable for high differential pressure applications
Custom Diaphragm Material: "Y" code for exotic alloy compatibility
Special Fill Fluid: "X" code for extreme temperature applications
Custom Configuration: Factory-calibrated for specific operating conditions
Typical Applications
Highly Corrosive Processes: Custom materials for aggressive chemical service
Extreme Temperature Applications: Special fill fluids for high or low temperatures
High-Purity Processes: Sanitary or ultra-clean requirements
Oxygen Service: Special cleaning and materials
Applications Requiring Special Certifications: NACE, custody transfer, safety-critical
Custom Integration Projects: Unique mounting or connection requirements
Specifications Details (Typical for Custom 1151 Series)
Parameter Typical Value
Output 4-20 mA DC
Power Supply 12-45 V DC
Accuracy As specified per custom requirements
Pressure Range 700 (typically high range)
Wetted Materials Custom (per "Y" specification)
Fill Fluid Custom (per "X" specification)
Process Connection Standard ¼-18 NPT
Housing Material Custom (per "R" specification)
Temperature Limits Application-dependent
Static Pressure Limit Application-dependent