3051S Differential Transmitter
Product Description:
The Rosemount 3051S Differential Pressure Transmitter is a high-precision, scalable solution engineered for demanding industrial applications requiring accurate measurement of pressure, flow, and level. Built on Emerson’s SuperModule™ platform, it offers exceptional stability, long-term reliability, and industry-leading performance with up to ±0.025% reference accuracy. With flexible installation options—wired, wireless, or integrated with manifolds—and a robust design that withstands extreme conditions, the 3051S ensures confident operation across a wide range of process environments.
Specifications:
| Feature / Model |
3051S Coplanar DP Transmitter |
3051S In-line DP Transmitter |
3051S High Static DP Transmitter |
3051S MultiVariable™ Transmitter |
| Mounting Style |
Coplanar (compact, manifold-ready) |
In-line (traditional flange-mount) |
Coplanar with high-pressure fittings |
Coplanar or In-line |
| Measurement Type |
Differential, Gauge, Absolute |
Differential, Gauge, Absolute |
Differential (High Static Pressure) |
Differential + Temperature + Static Pressure |
| Static Pressure Rating |
Up to 4,000 psi (276 bar) |
Up to 4,000 psi (276 bar) |
Up to 15,000 psi (1,034 bar) |
Up to 4,000 psi (276 bar) |
| Accuracy |
±0.025% of span (Ultra) |
±0.025% of span (Ultra) |
±0.04% of span |
±0.04% of reading (flow) |
| Range down |
Up to 200:1 |
Up to 200:1 |
Up to 150:1 |
Up to 14:1 (flow) |
| Wireless Option |
Yes (WirelessHART®) |
Yes (WirelessHART®) |
Yes |
Yes |
| Best For |
Compact installations, manifold integration |
Traditional piping layouts |
High-pressure oil & gas, subsea, wellhead |
Flow measurement with fewer devices |
| Certifications |
SIL 2/3, IEC 61508, Explosion-proof, Intrinsically Safe |
Same as Coplanar |
Same as Coplanar |
Same as Coplanar |
Key Features:
- Ultra-stable performance: Offers up to ±0.025% reference accuracy and 15-year stability.
- Wide range down: 200:1 turndown for broad application flexibility.
- Multiple outputs: Supports 4–20 mA HART®, WirelessHART®, and FOUNDATION™ Fieldbus.
- Robust construction: Available in materials like 316L SST, Alloy C-276, and Tantalum for harsh environments.
- Diagnostics: Includes Plugged Impulse Line detection and loop integrity checks.
- Safety certified: SIL 2/3 certified for use in safety instrumented systems.
Applications:
Frequently Asked Questions – Rosemount 3051S
1. What types of measurements can the 3051S perform?
The 3051S can measure Differential, Gauge, and Absolute Pressure, and in MultiVariable™ models, it can also measure temperature and static pressure for flow calculations.
2. What is the accuracy of the 3051S?
It offers up to ±0.025% of span accuracy (Ultra Performance), with long-term stability of ±0.125% of URL for 15 years.
3. What is the maximum static pressure rating?
Standard models handle up to 4,000 psi (276 bar), while High Static versions can withstand up to 15,000 psi (1,034 bar).
4. Is the 3051S available with wireless communication?
Yes, it supports WirelessHART®, 4–20 mA HART®, and FOUNDATION™ Fieldbus protocols for flexible integration.
5. What is the range-down capability?
The 3051S supports up to 200:1 range, allowing a single device to cover a wide range of applications.
6. Can it be used in safety systems?
Yes, it is SIL 2/3 certified per IEC 61508, making it suitable for use in Safety Instrumented Systems (SIS).
7. What mounting options are available?
It comes in Coplanar, In-line, and Remote Seal configurations, supporting direct manifold integration and flexible installation.
8. What materials are available for wetted parts?
Options include 316L SST, Alloy C-276, Tantalum, and Gold-plated variants for corrosive environments.
9. How do I install the 3051S for optimal performance?
Mount the transmitter with isolators parallel to the ground to reduce oil head effects and improve temperature stability.
10. What is the difference between 3051S and 3051SMV?
The 3051SMV adds MultiVariable™ capability, combining DP, static pressure, and temperature into one device for advanced flow measurement.
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