Rosemount 3051HTGB2A31AT32M4 Hygienic Pressure Transmitter

• Product Name: Rosemount 3051HTGB2A31AT32M4 Series Pressure Transmitter
• Full Model Code: 3051HTGB2A31AT32M4
• Manufacturer: Emerson (Rosemount)

The Rosemount 3051HTGB2A31AT32M4 Hygienic Pressure Transmitter is a high-performance, smart industrial pressure transmitter engineered specifically for hygienic process environments such as food & beverage, pharmaceutical, biotechnology and life sciences applications. It delivers reliable gauge and absolute pressure measurement with excellent stability, repeatability, and robust construction designed to meet stringent sanitary standards. The transmitter integrates proven sensor technology with advanced diagnostics and flexible communication options for seamless integration into modern process control systems.

Technical Specifications for Rosemount 3051HTGB2A31AT32M4 Hygienic Pressure Transmitter

Measurement & Accuracy

• Pressure Types: Gauge and Absolute pressure measurement
• Measurement Range: Up to ~800 psig (for gauge), up to ~150 psia (for absolute) (range varies by model/configuration)
• Accuracy: Typical reference accuracy around ±0.065% of span with optional performance classes available
• Rangeability: Up to 100:1 turndown ratio for flexible span selection

Materials & Construction

• Wetted Parts: 316L stainless steel with polished surface finishes (mechanically polished and electropolished to Ra <15 μ-in) for hygienic compliance
• Enclosure Rating: Designed for washdown environments (e.g., IP66/68)
• Sanitary Standards: Meets 3-A Sanitary, EHEDG, and ASME-BPE requirements

Outputs & Communication

• Standard Output: 4–20 mA with HART® digital communication
• Optional Protocols: FOUNDATION™ Fieldbus, PROFIBUS® PA
• Bluetooth® Connectivity: Optional wireless interface for setup and diagnostics

Operating Conditions

• Process Temperature: Suitable for CIP/SIP cycles up to ~150 °C (302 °F)
• Ambient Temperature: Typical industrial range enabling field use (varies by model)

Diagnostics & Stability

• Features advanced diagnostics such as Loop Integrity and Plugged Impulse Line detection
• Batch-to-batch repeatability and long-term stability help reduce calibration frequency and increase uptime

Applications for Rosemount 3051HTGB2A31AT32M4 Pressure Transmitter

The Rosemount 3051HTGB2A31AT32M4 is ideal for hygienic and sanitary process measurement where cleanability, traceability, and regulatory compliance are critical, including:

• Food & Beverage Processing: Pressure monitoring in brewing, dairy, bottling, and other sanitary processes
• Pharmaceutical & Biotechnology: Critical pressure control during CIP/SIP cycles and sterile product handling
• Life Sciences Manufacturing: Applications requiring minimal dead-legs and crevice-free designs to avoid contamination risks
• Level measurement with volume calculation when configured for specific applications

Features of Rosemount 3051HTGB2A31AT32M4 Hygienic Pressure Transmitter

• Hygienic Design: Crevice-free housing with polished wetted surfaces and sanitary process connections for easy cleaning and strict sanitation compliance
• Industry Standard Connections: Compatible with Tri-Clamp®, Varivent®, DIN 11851, and other sanitary fittings
• Advanced Diagnostics: Detects loop issues and plugged lines early, minimizing process interruptions
• Easy Commissioning: Local Operator Interface (LOI) and optional Bluetooth® connectivity simplify setup and maintenance
• Robust Performance: Excellent stability, wide turndown, and rapid recovery after CIP/SIP cycles reduce downtime and maintenance needs
• Flexible Communication: Multiple output protocols support integration with modern control systems