Rosemount 2051CD Differential Pressure Transmitter
Rosemount 2051CD Differential Pressure Flow Transmitter
Designed to provide industry-standard performance, the Rosemount 2051 Differential Pressure Flow Transmitter offers dependable differential pressure (DP) flow measurements.
For easy installation, this DP flow transmitter can be pre-assembled to various primary elements. This safety-certified transmitter also features a local operator interface (LOI) with easy-to-use menus and built-in configuration buttons for device commissioning without tools.
The 2051C Differential and Gauge Pressure Transmitter focuses on incredible accuracy in pressure, flow, and level applications. This transmitter features various ranges, stability, and accuracy options to ensure the most beneficial user experience.
Features
- Patented coplanar technology allows direct mounting for flow and level solutions that provide installation flexibility
- Delivered fully assembled to manifolds, diaphragm seals or primary flow elements for straightforward installation
- Local Operator Interface offers easy-to-use menus and built-in configuration buttons for streamline commissioning
- SIL 2/3 certified to IEC 61508 (via 3rd party) and prior-use certificate of FMEDA data for safety installations
- Several primary elements provide a flow solution that is factory leak-tested and calibrated to simplify installation
- Wireless Features
- WirelessHART® technology is secure and cost-effective and delivers >99% data reliability
- SmartPower™ module provides up to 10-year maintenance-free operation and field replacement without transmitter removal
- Easy installation enables quick instrumentation of measurement points without the cost of wiring
Specification
Item | Details |
Type | Differential Pressure Transmitter |
Reference Accuracy | Standard: ±0.075% of calibrated span Optional: ±0.065% (enhanced accuracy) |
Stability | 2-year: ±0.10% URL Optional: 5-year stability |
Rangeability | 100:1 |
Calibrated Span | 0.5 inH2O to 2000 psi (1.2 mbar to 276 bar) |
Pressure Limits | Maximum working pressure: Up to 4000 psi (276 bar) |
Output Signal | 4–20 mA HART Foundation Fieldbus 1–5 VDC HART low power |
Process Wetted Materials | Diaphragm: 316L stainless steel, Hastelloy C-276 O-ring: PTFE-based |
Sensor Fill Fluid | Silicone oil (inert for differential/gauge applications) |
Housing Material | Aluminum (polyurethane coated) or stainless steel |
Process Connections | Coplanar platform, traditional flanges, remote seals |
Communication Protocols | HART 7, Foundation Fieldbus, PROFIBUS PA |
Environmental Temperature Range | -40°F to 185°F (-40°C to 85°C) |
Vibration Resistance | <±0.1% URL/g (15–2000 Hz, any direction) |
Power Supply | 10–30 VDC (4–20 mA HART); 9–32 VDC (Foundation Fieldbus) |
Certifications | ATEX, IECEx, FM, CSA, NEPSI (explosion-proof); CE, CSA (EMC/EMI compliance) |
Diagnostics | Comprehensive self-diagnostics (e.g., sensor health, process upset detection) |
Mounting Options | Direct mount, remote seal mount, manifold integration |
