Safe Under Pressure: The PR3900 Hazardous Area Pressure Transmitter

Pressure measurement in hazardous environments demands more than accuracy. Equipment must perform reliably in explosive atmospheres whilst meeting strict safety standards.

The PR3900 Hazardous Area Pressure Transmitter from ESI is designed for these demanding applications. Combining intrinsically safe certification with robust construction and Silicon-on-Sapphire (SoS) sensor technology, it delivers accurate and stable pressure measurement in some of the world’s harshest industrial environments.

Whether installed offshore, in chemical processing plants or within hazardous storage facilities, the PR3900 provides engineers with a dependable pressure measurement solution.

What is the PR3900 Hazardous Area Pressure Transmitter?

The PR3900 is an intrinsically safe pressure transmitter designed for use in hazardous areas. It is certified for use in environments where explosive gases, dust or mining hazards are present.

The transmitter is approved for:

• ATEX and IECEx hazardous area applications
• Zone 0 gas environments
• Zone 20 dust environments
• M1 mining applications

When used with an approved safety or isolation barrier, the PR3900 provides safe and reliable pressure measurement in hazardous locations.

Its certifications make it ideal for industries where safety and compliance are essential.

Designed for Harsh Industrial Environments

Industrial environments can expose instrumentation to moisture, corrosive substances and extreme operating conditions. The PR3900 has been designed to withstand them all.

The transmitter features a fully welded stainless steel housing that offers excellent corrosion resistance and long-term durability. Its IP67-rated enclosure protects against dust and water ingress, making it suitable for both indoor and outdoor installations.

The rugged design helps ensure reliable operation in applications where downtime is simply not an option.

Silicon-on-Sapphire Sensor Technology

At the heart of the PR3900 is ESI’s proven Silicon-on-Sapphire (SoS) sensor technology.

Silicon-on-Sapphire offers several advantages over conventional pressure sensing technologies, including:

• Excellent long-term stability
• High overpressure capability
• Exceptional accuracy
• Virtually zero hysteresis
• Outstanding temperature performance

The sapphire substrate provides excellent insulating properties, allowing the sensor to maintain stable and accurate pressure measurements across a wide temperature range.

This makes the PR3900 particularly well suited to demanding industrial applications where measurement accuracy is critical.

Wide Pressure Ranges for Flexible Applications

The PR3900 Hazardous Area Pressure Transmitter is available with pressure ranges from 0-10 bar up to 0-1,500 bar as standard. Additional pressure ranges are also available on request.

Its versatility makes it suitable for a wide range of pressure measurement applications, including both low and high-pressure systems.

Multiple process connection options are available, including:

• ¼-inch BSP
• ½-inch BSP
• ¼-inch NPT
• ½-inch NPT

These options make installation straightforward and allow easy integration into existing process systems.

The transmitter is supplied with a durable polyurethane cable and an integral vent tube for effective gauge venting to atmosphere.

Applications for the PR3900 Hazardous Area Pressure Transmitter

The PR3900 is used across many industries where hazardous area certification and reliable performance are essential.

Typical applications include:

• Oil and gas production
• Chemical processing
• Offshore installations
• Marine environments
• Mining operations
• Hazardous storage facilities
• Industrial process control systems

The transmitter is also available with DNV approval for marine and offshore applications, providing additional confidence in demanding environments.

Why Choose the PR3900?

When selecting a hazardous area pressure transmitter, engineers need a solution that delivers safety, reliability and long-term performance.

The PR3900 offers:

• ATEX and IECEx certification
• Intrinsically safe operation
• Silicon-on-Sapphire sensor technology
• Pressure ranges up to 1,500 bar
• IP67 environmental protection
• Corrosion-resistant stainless steel construction
• DNV approval options for marine applications
• Excellent long-term measurement stability

Its combination of certifications, rugged design and proven sensing technology makes it an ideal choice for hazardous area pressure measurement applications.

Reliable Pressure Measurement for Hazardous Areas

The PR3900 Hazardous Area Pressure Transmitter has been engineered for applications where safety and performance are critical. From offshore platforms to chemical processing plants, it provides accurate and dependable pressure measurement in hazardous environments.

By combining intrinsically safe certification with Silicon-on-Sapphire technology and robust stainless steel construction, the PR3900 delivers the reliability that modern industrial processes demand.

If you would like a quote for the PR3900 pressure transmitter contact our sales team [email protected], call +44(0)1978 262255 or find your nearest distributor here.