ROSEMOUNT Differential Pressure Transmitter 1151-DP4S22B1 W.p. 2000PSI 45VDC

( Brand: Rosemount ), ( Manufacturer Part Number: 1151DP4S22B1 ), ( Model: 1151-DP4S22B1 ), ( Part Type: Pressure ), ( Country Of Origin: United States ), ( Bc Category: Flow Controls/transmitters ), ( Type/series: Differential Pressure Transmitter ), ( Voltage: 45 Vdc )

Review ROSEMOUNT Differential Pressure Transmitter Max W.p. 2000 Psi 45vdc

The Rosemount 1151DP4S22B1 is a high-performance, field-proven differential pressure transmitter designed to deliver precise and reliable measurements in demanding industrial environments. Part of Emerson s renowned 1151 series, this device is engineered to provide exceptional accuracy and stability for applications requiring critical flow, level, or pressure monitoring across a wide range of industries, including oil and gas, chemical processing, power generation, and water treatment. With a robust pressure range of up to **2000 psi (138 bar)**, the 1151DP4S22B1 excels in high-pressure applications where accuracy and durability are paramount, ensuring consistent performance even under harsh conditions such as extreme temperatures, vibration, and corrosive atmospheres.

This transmitter operates on a **4-20 mA DC current loop**, a universally accepted standard that ensures compatibility with most industrial control systems, PLCs, and SCADA platforms. The **45 VDC excitation** requirement provides stable power delivery, minimizing signal noise and enhancing measurement integrity. The device features a **differential pressure measurement capability**, allowing it to monitor pressure differences across orifices, venturis, or other flow elements, making it ideal for applications like gas and liquid flow measurement, tank level detection, and pressure differential monitoring in pipelines. Its **S-type diaphragm seal** (indicated by the "S" in the model number) provides an additional barrier between the process media and the sensing element, protecting the transmitter from contamination and extending its operational lifespan in aggressive environments.

The 1151DP4S22B1 is equipped with **HART communication protocol**, enabling advanced diagnostics, calibration, and configuration directly from the field without the need for specialized tools. This feature allows operators to remotely monitor transmitter health, adjust settings, and troubleshoot issues in real time, reducing downtime and improving overall system efficiency. The transmitter s **wide temperature range** capable of operating in environments from **-40 C to 121 C (-40 F to 250 F)** ensures reliability in both cold and high-temperature applications, while its **IP65-rated enclosure** provides robust protection against dust, moisture, and accidental contact, making it suitable for both indoor and outdoor installations.

Built with Emerson s proprietary **Smart Transmitter Technology**, the 1151DP4S22B1 incorporates a **piezo-resistive silicon sensing element**, which delivers superior accuracy, repeatability, and long-term stability. The device s **zero and span adjustments** can be fine-tuned to match specific application requirements, ensuring optimal performance across varying process conditions. Additionally, its **low maintenance design** reduces the need for frequent recalibration, contributing to cost savings and operational reliability over the transmitter s extended service life.

Whether deployed in a refinery, chemical plant, or water treatment facility, the Rosemount 1151DP4S22B1 differential pressure transmitter sets a benchmark for precision, durability, and ease of integration. Its combination of high-pressure capability, advanced diagnostics, and field-proven reliability makes it an indispensable asset for industries where process control and safety are critical. With Emerson s reputation for innovation and quality engineering, this transmitter ensures that operators can trust their measurements, optimize their processes, and maintain operational excellence in even the most challenging environments.

### Pros and Cons of buying a Rosemount 1151DP4S22B1 Differential Pressure Transmitter (2000 psi, 4-20 mA, 45 VDC)

1. **High Accuracy and Reliability** Rosemount is a trusted brand in industrial instrumentation, known for precision and durability. The 1151 series is designed for critical applications where accuracy is essential, such as in process control, HVAC, and fluid handling systems.

2. **Wide Pressure Range (2000 psi)** The 2000 psi range makes it suitable for high-pressure applications, including steam systems, compressed air, and industrial fluid monitoring where other transmitters may fail.

3. **4-20 mA Output Standard** The 4-20 mA current loop output is a universal industrial standard, ensuring compatibility with most PLCs, DCS, and control systems without additional signal conversion.

4. **Wide Excitation Voltage Range (45 VDC)** The 45 VDC excitation voltage provides flexibility in wiring and power supply options, reducing the need for specialized power sources.

5. **Explosion-Proof and Intrinsically Safe Options** Depending on the model variant, this transmitter can be designed for hazardous environments (e.g., Class I, Division 1 or Zone 1/2), making it suitable for oil & gas, chemical, and petrochemical industries.

6. **Durable Construction** Rosemount transmitters are built to withstand harsh conditions, including temperature fluctuations, vibration, and corrosion, ensuring long-term performance.

7. **Easy Installation and Calibration** The modular design allows for straightforward mounting and calibration, reducing downtime during maintenance.

8. **Compatibility with Rosemount and Third-Party Systems** Works seamlessly with Rosemount s own control systems (e.g., Emerson DeltaV, AMS Suite) and can integrate with other major industrial platforms.

9. **Low Maintenance Requirements** The sealed design minimizes the risk of contamination, reducing the need for frequent recalibration or part replacements.

10. **Field-Proven Performance** Widely used in industries like power generation, water treatment, and manufacturing, indicating a track record of reliability in demanding applications.

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1. **High Initial Cost** Rosemount instruments are premium-priced compared to generic or lower-end brands. The 1151 series, in particular, is positioned as an enterprise-grade device, which may not be cost-effective for small-scale or low-budget applications.

2. **Limited Local Calibration Capabilities** Some Rosemount transmitters require specialized tools or software for calibration, which may not be available in-house, increasing dependency on third-party service providers.

3. **Potential Overkill for Low-Pressure Applications** If the application only requires a fraction of the 2000 psi range (e.g., 0-50 psi), the transmitter s full range may introduce unnecessary complexity or noise in readings.

4. **Dependency on Emerson Support** Since Rosemount is owned by Emerson, users may face longer response times for technical support or spare parts compared to smaller, more agile manufacturers.

5. **Weight and Size** The robust construction means the unit may be heavier and bulkier than smaller, less expensive alternatives, which could complicate installation in space-constrained environments.

6. **Potential for Obsolescence** Emerson occasionally phases out older models in favor of newer technologies (e.g., wireless or smart transmitters). While the 1151 series is still supported, future compatibility with newer systems may require additional adapters or upgrades.

7. **Excitation Voltage Sensitivity** While 45 VDC is flexible, some systems may require precise voltage regulation to avoid signal drift or instability, adding complexity to the power supply setup.

8. **Limited Customization for Non-Standard Outputs** If the application requires outputs other than 4-20 mA (e.g., HART, Foundation Fieldbus, or digital), additional converters may be needed, increasing system cost.

9. **Training Dependency** Proper setup, calibration, and troubleshooting often require trained personnel, which may not be available in all organizations, leading to potential misuse or misconfiguration.

10. **Potential for Over-Specification** In applications where lower pressure ranges (e.g., 0-100 psi) would suffice, purchasing a 2000 psi unit may be unnecessary, leading to wasted investment.

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The **Rosemount 1151DP4S22B1** is an excellent choice for **high-pressure, mission-critical applications** where accuracy, reliability, and long-term performance are paramount. Its robust construction, wide pressure range, and industry-standard outputs make it ideal for industries like power generation, chemical processing, and oil & gas. However, its **high cost, dependency on Emerson s ecosystem, and potential over-specification for lower-pressure needs** may make it less suitable for budget-conscious or small-scale applications.

For users who prioritize **proven performance, compliance with hazardous area standards, and seamless integration with Emerson systems**, this transmitter is a strong recommendation. For those operating in **low-pressure environments or on tight budgets**, evaluating alternative brands (e.g., Endress Hauser, ABB, or SMC) with comparable but more cost-effective specifications may be advisable.

- Your application requires **2000 psi or higher pressure monitoring**.

- You operate in **hazardous environments (explosion-proof/intrinsically safe)**.

- You are already using **Emerson s control systems** (e.g., DeltaV, AMS Suite).

- **Long-term reliability and minimal maintenance** are critical.

- Budget constraints are not a limiting factor.

- Your pressure range is **well below 2000 psi** (e.g., 0-500 psi), making a lower-range transmitter more cost-effective.

- You require **additional outputs (e.g., HART, wireless)** that may not be natively supported.

- **Cost is a major concern**, and you can find similarly rated transmitters from other manufacturers (e.g., Endress Hauser 80D, ABB 2600).

- Your team lacks **specialized training** for setup and calibration.

For most **industrial, high-pressure, or safety-critical applications**, the Rosemount 1151DP4S22B1 remains a **reliable and justifiable investment**. However, a thorough cost-benefit analysis against alternatives is advised before final purchase.

Details:

1151 Differential Pressure Transmitter. We'll reply quick as possible. This ad includes everything pictured and described above. 1151DP4S22B1.

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part #: 1151dp4s22b1 prices

• $125.00-$220.00

specifications pneumativalv:

• brand: Rosemount
• mpn: 1151dp4s22b1
• model: 1151-dp4s22b1
• part type: Pressure
• country of origin: United States
• bc category: Flow Controls/transmitters
• type/series: Differential Pressure Transmitter
• voltage: 45 Vdc

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