If you operate in industries where safety, precision, and durability are essential, you may have come across the PR3900. But what is a PR3900 Hazardous Area Pressure Transmitter? In simple terms, it’s a high-performance instrument designed to measure pressure accurately in environments where flammable gases, vapours, or dust could be present.

At ESI Technology, we supply advanced pressure measurement solutions for challenging applications, and the PR3900 is one of the most reliable products for hazardous area use. This blog will break down what makes it special, where it’s used, and why it’s trusted across industries.

Understanding the Basics

Before answering what is a PR3900 Hazardous Area Pressure Transmitter? in detail, it’s important to understand the general role of a pressure transmitter. These devices convert pressure readings from gases or liquids into an electrical signal that can be read by control systems, allowing operators to monitor and manage processes effectively.

The PR3900 is designed for environments where explosive atmospheres may occur—commonly referred to as hazardous areas. These require specially certified equipment to prevent sparks or heat that could cause ignition.

Key Features of the PR3900

So, what is a PR3900 Hazardous Area Pressure Transmitter? It’s more than just a pressure sensor—it’s engineered with features that make it ideal for dangerous and demanding conditions:

1. Hazardous Area Certification – The PR3900 is ATEX and IECEx certified for use in Zone 0, Zone 1, and Zone 2 hazardous areas, ensuring compliance with international safety standards.

2. High Accuracy – With precise measurement capabilities, it ensures operators have dependable data for critical decision-making.

3. Rugged Design – Built from stainless steel, the PR3900 withstands corrosion, vibration, and extreme weather.

4. Wide Pressure Range – Available in multiple ranges, making it versatile for various industrial applications.

5. Customisable Output Signals – Offers standard outputs such as 4-20 mA for seamless integration with control systems.

Applications Across Industries

You might still be asking, what is a PR3900 Hazardous Area Pressure Transmitter used for in real-world situations? The answer spans multiple sectors:

• Oil & Gas – For monitoring pipeline pressure, wellhead conditions, and offshore platforms.

• Chemical Processing – Ensuring safe pressure levels in reactors and storage vessels containing volatile substances.

• Pharmaceutical Manufacturing – Providing sterile, accurate measurements in environments with flammable solvents.

• Marine & Offshore – Measuring tank levels and pressures in environments exposed to saltwater and high winds.

• Energy Production – Monitoring boilers, turbines, and fuel systems in hazardous conditions.

In all these sectors, the PR3900 ensures not only measurement accuracy but also operational safety.

Why Safety Certification Matters

When working in explosive atmospheres, the wrong equipment can be catastrophic. Part of understanding what is a PR3900 Hazardous Area Pressure Transmitter is recognising its rigorous safety testing.

The ATEX and IECEx certifications mean the PR3900 meets strict design and performance requirements for preventing ignition sources. This includes using intrinsically safe circuitry and construction materials that don’t produce dangerous sparks or heat during normal operation or in fault conditions.

Benefits of the PR3900 for Your Business

If your operations involve hazardous zones, choosing the right transmitter can prevent accidents, downtime, and costly repairs. The PR3900 offers:

• Peace of Mind – Knowing your equipment meets international safety standards.

• Reduced Maintenance Costs – Rugged build quality reduces wear and tear.

• Operational Efficiency – Accurate readings allow for better process control.

• Versatility – Suitable for multiple pressure ranges and media types.

How ESI Technology Supports You

At ESI Technology, we don’t just sell pressure transmitters—we help you find the right solution for your unique requirements. When you ask, what is a PR3900 Hazardous Area Pressure Transmitter and is it right for my application, our technical team can guide you through:

• Selecting the correct pressure range

• Matching the transmitter to your control system output

• Ensuring compliance with safety regulations

• Providing after-sales technical support

Conclusion

So, what is a PR3900 Hazardous Area Pressure Transmitter? It’s a robust, accurate, and safety-certified device designed for use in explosive or high-risk environments. Whether you work in oil and gas, chemical processing, marine operations, or energy production, the PR3900 delivers reliable performance while meeting the highest safety standards.

By investing in a PR3900 from ESI Technology, you’re choosing not only a precision instrument but also a commitment to safety and operational excellence.

Contact ESI Technology today to learn more about the PR3900 and find the perfect pressure measurement solution for your hazardous area needs.