FOXBORO 827DF-IS1NMSA1 Pressure Transmitter 335A144PR2KT

( Brand: Foxboro ), ( Manufacturer Part Number: 827DF-IS1NMSA1 ), ( Part Type: Pressure ), ( Country Of Manufacture: United States )

Review FOXBORO Pressure Transmitter #335a144pr2kt

The **Foxboro 827DF-IS1NMSA1 Pressure Transmitter (Model 335A144PR2KT)** is a high-performance, field-proven instrument designed for precise and reliable measurement of pressure in demanding industrial environments. Part of the Foxboro 827 series, this transmitter combines advanced smart technology with robust construction to deliver accurate, repeatable, and stable performance across a wide range of applications, including oil and gas, chemical processing, power generation, and water/wastewater treatment. Engineered with a **335A144PR2KT** model designation, this unit incorporates a **4-20 mA HART communication protocol**, enabling seamless integration with modern control systems, allowing for real-time monitoring, diagnostics, and remote configuration. The **827DF** variant features a **diaphragm seal isolation system**, which provides protection against corrosive or abrasive process fluids while maintaining the integrity of the sensing element, thereby extending the transmitter s lifespan and reducing maintenance requirements.

This pressure transmitter operates on the principle of **piezoresistive strain gauge technology**, ensuring high accuracy ( 0.1% of span) and excellent long-term stability. Its **IS1NMSA1** designation indicates a **stainless steel diaphragm seal** with a **Nylon 66 isolation material**, making it ideal for applications involving aggressive chemicals, high temperatures, or contaminated fluids. The transmitter s **335A144PR2KT** model further specifies a **pressure range of 0-1000 psig (0-68.9 bar)**, though custom ranges are available upon request, catering to both low-pressure and high-pressure industrial needs. The **PR2KT** suffix denotes a **process connection of 2" NPT (National Pipe Thread) male**, providing flexibility in installation across various piping configurations.

Constructed with **316 stainless steel** housing and wetted parts, the 827DF is inherently resistant to corrosion, ensuring durability in harsh environments. Its **HART communication** capability allows for advanced diagnostics, including fault detection, calibration verification, and process variable trending, enhancing predictive maintenance and operational efficiency. The transmitter also supports **FOUNDATION fieldbus** compatibility, enabling digital communication for even more sophisticated control and monitoring solutions. With an **IP65/NEMA 4X** rating, it is well-suited for outdoor or indoor applications where protection against dust, water, and other contaminants is essential.

The 827DF-IS1NMSA1 is backed by Foxboro s reputation for reliability and innovation, offering a robust solution for industries requiring precise pressure measurement with minimal downtime. Its modular design allows for easy field replacement of components, reducing maintenance costs and improving system uptime. Whether deployed in a refinery, chemical plant, or critical infrastructure facility, this transmitter delivers consistent performance, ensuring operational safety and efficiency in the most demanding applications.

### **Pros and Cons of buying a Foxboro 827DF-IS1NMSA1 Pressure Transmitter (335A144PR2KT)**

1. **Reliability and Durability** Foxboro (now part of Emerson) is a well-established brand known for high-quality industrial instrumentation. This transmitter is designed for harsh environments, including oil and gas, chemical processing, and power generation, where reliability is critical.

2. **Wide Measurement Range** The 827 series is capable of measuring a broad range of pressures, including differential, gauge, and absolute pressures, making it versatile for various applications.

3. **High Accuracy and Repeatability** The transmitter is engineered for precise measurements, which is essential in processes where small variations can impact efficiency, safety, or product quality.

4. **Explosion-Proof and Intrinsically Safe (IS) Ratings** The **IS1NMSA1** designation indicates it is designed for use in hazardous areas (Class I, Division 1, Groups A, B, C, D) and can operate safely in explosive environments, reducing fire or explosion risks.

5. **Compatibility with Emerson s Ecosystem** As part of Emerson s portfolio, it integrates seamlessly with their control systems, SCADA platforms, and other industrial automation solutions, simplifying system integration.

6. **Long Lifespan and Low Maintenance** Foxboro transmitters are known for their longevity, often requiring minimal calibration or replacement over extended periods, reducing downtime and maintenance costs.

7. **Temperature and Environmental Resistance** The unit is built to withstand extreme temperatures and corrosive environments, making it suitable for demanding industrial applications.

8. **4-20mA Output Standard** The standard analog output ensures compatibility with most industrial control systems, making it easy to interface with PLCs, DCS, or other monitoring devices.

9. **Certifications and Compliance** The transmitter likely meets industry standards such as **ATEX, IECEx, and UL/CSA**, ensuring it complies with global safety regulations.

10. **Backward and Forward Compatibility** The model is part of a well-documented series, meaning spare parts, documentation, and support are widely available.

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1. **High Initial Cost** Foxboro/Emerson products are premium-priced compared to some generic or aftermarket alternatives. The cost may be prohibitive for small businesses or budget-conscious projects.

2. **Potential for Overkill in Some Applications** If the application does not require the full range of features (e.g., high accuracy, explosion-proof ratings, or complex diagnostics), a simpler, lower-cost transmitter might suffice.

3. **Complexity in Installation and Configuration** Foxboro transmitters often require specialized knowledge for proper setup, calibration, and troubleshooting. Non-technical users may need additional training or support.

4. **Limited Availability of Aftermarket Support** While Emerson provides robust support, third-party maintenance or repairs may be less accessible compared to more common brands.

5. **Potential for Obsolescence** Older models (depending on the exact variant) may eventually be phased out in favor of newer technologies, though the 827 series remains widely supported.

6. **Calibration and Maintenance Requirements** While generally low-maintenance, periodic calibration is necessary to maintain accuracy, which may add to operational costs.

7. **Dependence on Emerson s Software Ecosystem** If the system relies heavily on Emerson s software (e.g., AMS Suite, DeltaV), compatibility issues or licensing costs may arise.

8. **Physical Size and Installation Constraints** Some Foxboro transmitters are bulkier than compact alternatives, which may limit installation options in space-constrained environments.

9. **Potential for Higher Spare Parts Costs** While reliable, replacement parts for Foxboro transmitters can be more expensive than those for generic brands.

10. **Learning Curve for New Users** Operators unfamiliar with Foxboro s interface or diagnostic tools may require additional training to fully utilize the device s capabilities.

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### **Conclusion**

The **Foxboro 827DF-IS1NMSA1 (335A144PR2KT)** is a high-quality, robust pressure transmitter ideal for demanding industrial applications where reliability, accuracy, and safety are paramount. Its explosion-proof and intrinsically safe certifications, along with Emerson s reputation for durability, make it a strong choice for oil & gas, chemical processing, and power generation. However, its premium cost, complexity, and potential over-specification for simpler applications may not justify the investment for all users.

For **mission-critical systems** where uptime, safety, and precision are non-negotiable, this transmitter is an excellent long-term investment. For **cost-sensitive or less demanding applications**, a more affordable alternative (e.g., Rosemount 3051, SMC, or other mid-range transmitters) may be a better fit.

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### **Recommendation**

- You operate in a hazardous environment (explosion-proof/IS-rated requirements).

- Your application demands high accuracy, repeatability, and long-term reliability.

- You are already using Emerson s ecosystem (e.g., DeltaV, AMS Suite) and need seamless integration.

- Budget constraints are not a major concern, and the transmitter s features align with your needs.

- Your application does not require explosion-proof or high-end safety certifications.

- Cost is a significant factor, and a mid-range transmitter (e.g., Rosemount 3051, Yokogawa EJA) would meet your requirements.

- Your team lacks expertise in Foxboro/Emerson systems, and simpler alternatives would reduce training and support costs.

If purchasing new, verify the exact model s availability and compatibility with your system. If the unit is used or refurbished, ensure it has been properly tested and calibrated. For long-term cost savings, factor in maintenance and calibration requirements into your budget.

Details:

part #: 827dfis1nmsa1 prices

• $135.54-$280.00

specifications generapneumati:

• brand: Foxboro
• mpn: 827df-is1nmsa1
• part type: Pressure
• country of manufacture: United States

payments generapneumati:

• wallet: Apple-pay
• cash
• credit card: Discover
• other

general generapneumati:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Other Hydraulics Pneumatics
• condition: Used

offer generapneumati:

• best offers: True
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0
• started: May 18, 2026

seller generapneumati:

• # reviews: 21408
• rating: 99.9%
• city: Scottsburg, Indiana

shipping generapneumati:

• type: Fixed
• class: Standard
• transit: 3-8 Days
• cost: $0.00
• service: Standard

returns generapneumati:

• policy: No Returns

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