INDUSTRIAL MRO Rosemount Unmp 3051TG3A2B21AS1B4E5Q4M5T1 10.5-55VDC 800PSI

( Brand: Industrial Mro ), ( Manufacturer Part Number: 3051TG3A2B21AS1B4E5 )

Review INDUSTRIAL MRO Rosemount 10.5-55vdc 800psi Unmp

The Rosemount 3051TG3A2B21AS1B4E5Q4M5T1 is a high-performance, intelligent differential pressure transmitter engineered for demanding industrial applications where precision, reliability, and durability are paramount. Part of Emerson s renowned 3051 series, this device is specifically designed to measure and monitor differential pressure in a wide range of processes, including HVAC systems, fluid handling, gas compression, and pneumatic control applications. With a robust construction, the 3051TG3A2B21AS1B4E5Q4M5T1 is built to withstand harsh environments, featuring a **10.5 to 55 VDC excitation range**, which ensures stable operation across varying power conditions while maintaining optimal signal integrity. This transmitter operates within a **pressure range of 0 to 800 psi (0 to 5.5 bar)**, making it suitable for medium to high-pressure systems where accurate flow measurement, level detection, or pressure differential monitoring is critical.

The model incorporates a **UNMP (Universal Non-Magnetic Pressure) sensing element**, which provides exceptional accuracy and repeatability by eliminating magnetic interference that could otherwise compromise readings. This design is particularly advantageous in applications where electromagnetic fields or stray signals might otherwise affect performance. The transmitter s **3-wire architecture** simplifies wiring and installation, reducing complexity while ensuring reliable communication between the sensor and control systems. Additionally, the 3051 series is equipped with **HART (Highway Addressable Remote Transducer) communication protocol**, enabling advanced diagnostics, calibration adjustments, and seamless integration with Emerson s DeltaV, AMS Suite, or other SCADA systems for real-time monitoring and predictive maintenance.

Constructed with **stainless steel housing and wetted parts**, the 3051TG3A2B21AS1B4E5Q4M5T1 is engineered for long-term durability in corrosive or abrasive environments, including those exposed to chemicals, steam, or high-temperature fluids. The transmitter s **AISI 316L stainless steel diaphragm and seal materials** enhance resistance to corrosion, ensuring consistent performance even in aggressive media. The **flanged or threaded mounting options** (depending on the specific variant) allow for flexible installation in pipelines, tanks, or ductwork, accommodating various system configurations without compromising sealing integrity. For added protection, the device is rated for operation in temperatures ranging from **-40 C to 120 C (-40 F to 248 F)**, making it versatile for both indoor and outdoor applications.

Beyond its technical specifications, the Rosemount 3051TG3A2B21AS1B4E5Q4M5T1 stands out for its **low maintenance requirements and high reliability**, reducing downtime and operational costs. The transmitter s **self-diagnostic capabilities** via HART enable operators to detect potential issues before they escalate, while its **zero and span calibration features** ensure consistent accuracy over time. Whether deployed in a critical process control system, a large-scale HVAC installation, or an industrial gas compression facility, this transmitter delivers **superior measurement precision, long-term stability, and seamless integration** with existing automation infrastructure. By combining Emerson s proven engineering with cutting-edge sensor technology, the 3051TG3A2B21AS1B4E5Q4M5T1 is an indispensable asset for industries where dependable pressure monitoring is non-negotiable.

### **Pros and Cons of purchasing a Rosemount 3051TG3A2B21AS1B4E5 (10.5 55V DC, 800 PSI, UNMP)**

#### **Pros**

1. **High Reliability and Durability** Rosemount is a trusted brand in industrial instrumentation, known for robust, long-lasting pressure transmitters. The 3051 series is designed for harsh environments, making it suitable for oil and gas, refineries, and process industries.

2. **Wide Measurement Range (800 PSI)** The transmitter is capable of measuring pressure within a broad range (likely 0 800 PSI, depending on configuration), which provides flexibility for various applications without requiring multiple units.

3. **Universal Power Supply (10.5 55V DC)** The wide voltage range allows for compatibility with different power systems, reducing the need for additional converters or power supply adjustments.

4. **UNMP (Universal Non-Contact Measurement Principle)** This technology ensures accurate pressure measurement without direct contact with the process fluid, reducing wear and tear and improving longevity in corrosive or abrasive environments.

5. **Modular and Configurable** The model number suggests customization options (e.g., different signal outputs, mounting styles, or process connections), allowing integration into existing systems with minimal modifications.

6. **Industry-Standard Compliance** Rosemount products typically meet industry standards such as ATEX, IECEx, and NAMUR, ensuring safety and regulatory compliance in hazardous areas.

7. **Easy Calibration and Maintenance** Rosemount transmitters are designed for straightforward calibration and diagnostics, reducing downtime and maintenance costs over the device s lifespan.

8. **Compatibility with HART and Foundation Fieldbus** If the model supports digital communication protocols, it enables advanced monitoring, remote diagnostics, and integration with SCADA systems, improving process control.

9. **Proven Track Record** The 3051 series has been widely used for decades, with a strong reputation for reliability in critical applications, reducing the risk of unexpected failures.

10. **Warranty and Support** Emerson (Rosemount s parent company) offers comprehensive warranties and global technical support, ensuring assistance in case of issues.

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#### **Cons**

1. **High Initial Cost** Rosemount instruments are premium-priced compared to generic or lower-end brands. The cost may be prohibitive for small-scale or budget-constrained applications.

2. **Potential Overkill for Simple Applications** If the application does not require the full range of features (e.g., digital communication, wide voltage compatibility), a simpler or lower-cost transmitter may suffice.

3. **Complex Installation and Configuration** Due to its advanced features, setup and initial configuration may require specialized training or technical expertise, increasing implementation time and costs.

4. **Limited Local Availability** Depending on the region, authorized distributors or service centers for Rosemount products may be scarce, potentially delaying repairs or replacements.

5. **Dependence on Digital Protocols (If Applicable)** If the model relies on HART or Fieldbus, additional infrastructure (e.g., HART communicators, field devices) may be required, adding complexity and cost.

6. **Potential for Obsolescence** While the 3051 series is well-established, newer models may offer improved features (e.g., wireless connectivity, IoT integration). Retrofitting older systems with newer technology could become necessary in the future.

7. **Calibration and Replacement Parts Costs** High-quality components and calibration services from Emerson can be expensive compared to third-party alternatives.

8. **Learning Curve for Non-Engineers** Operators or technicians unfamiliar with Rosemount s interface or documentation may require additional training, increasing operational costs.

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### **Conclusion**

The Rosemount 3051TG3A2B21AS1B4E5 is an excellent choice for applications requiring **high reliability, wide measurement range, and compatibility with harsh environments**. Its universal power supply and non-contact measurement principle make it versatile for industrial processes where accuracy and durability are critical. However, the **high upfront cost, complexity of installation, and potential over-specification for simpler applications** may not justify the purchase for all users.

For **mission-critical systems in oil and gas, chemical processing, or power generation**, the investment is justified by long-term reliability and reduced maintenance. For **small-scale or cost-sensitive applications**, a lower-cost alternative (e.g., generic pressure transmitters or simpler Rosemount models) may be more practical.

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### **Recommendation**

- You operate in an industry where **reliability and longevity** are non-negotiable (e.g., refineries, offshore platforms, critical infrastructure).

- Your system requires **wide voltage compatibility (10.5 55V DC)** or **non-contact measurement** for corrosive/abrasive media.

- You can justify the **higher cost** with long-term operational savings (reduced downtime, fewer replacements).

- You need **digital communication (HART/Fieldbus)** for advanced monitoring and integration.

- Your budget is limited, and a **simpler, lower-cost transmitter** (e.g., another Rosemount model or a reputable generic brand) meets your requirements.

- The application does not demand the full range of features (e.g., a fixed 24V DC supply or a narrower pressure range would suffice).

- You lack in-house expertise for **installation, calibration, or troubleshooting**, as training or external support may add costs.

- Verify the **exact specifications** (e.g., pressure range, output signal type) with the datasheet to ensure it matches your application.

- Check for **used/refurbished units** from authorized sources if cost is a concern, as they may offer significant savings.

- Evaluate **total cost of ownership (TCO)** over 5 10 years, including maintenance, calibration, and potential downtime costs.

- If possible, **test a prototype** in your environment before committing to bulk purchases.

Ultimately, the Rosemount 3051TG3A2B21AS1B4E5 is a **premium industrial-grade instrument** best suited for high-stakes applications where failure is not an option. For less demanding scenarios, weighing the pros and cons against alternatives is essential to ensure the best value.

Details:

If another carrier such as DHL or UPS is required to ship due certain shipping requirements, then the costs and requested may change. TRANSMITTER, 10.5-55VDC, 800PSI: UNMP Condition Codes:: NSFS New Surplus Factory Sealed OEM NSMP Manufacturer Package NSNP No NUPI Unused Previously Installed REMAN Remanufactured Like Used or Repaired About our product: Industrial Blue line Special is an Industrial surplus dealer.

part #: 3051tg3a2b21as1b4e5 prices

• $93.00-$160.00

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• brand: Industrial Mro
• mpn: 3051tg3a2b21as1b4e5

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