Spring Loaded RTD Assembly with Screw Cover Head, 9in Long

Precision Temperature Sensing: Explore Pyromation's Spring-Loaded RTD Assemblies

Unrivaled Accuracy for Critical Processes

Pyromation's Spring-Loaded RTD Assembly with Screw Cover Head, 9in Long, represents the pinnacle of industrial temperature measurement. Engineered for exceptional precision and reliability, Resistance Temperature Detectors (RTDs) are indispensable for applications demanding high accuracy and repeatability. These sensors utilize the predictable change in resistance of a metallic element as temperature fluctuates, providing a highly stable and linear response across a broad range.

How RTDs Work: The Science Behind the Precision

At the heart of every RTD is a finely crafted sensing element, typically made from platinum (Pt), nickel, or copper. This element is either formed by winding a thin wire onto a ceramic or glass core (wire-wound elements) or by depositing a thin film of metal onto a substrate (thin-film elements), then sealed for protection. When a small, precisely regulated excitation current passes through this element, its electrical resistance changes proportionally with temperature. This resistance change is then accurately measured, converted into voltage, and translated into a precise temperature reading.

Addressing Measurement Challenges: Lead Wire Compensation

A common challenge in resistance-based temperature sensing is the influence of lead wire resistance, which can introduce errors, especially over long distances. To counteract this, Pyromation's RTDs are designed for seamless integration with measuring devices employing three- or four-wire bridge configurations. This advanced compensation technique effectively negates lead wire resistance, ensuring that only the temperature-dependent resistance of the RTD element is measured, guaranteeing the highest possible accuracy.

Robust Design for Demanding Environments

With careful selection of elements and robust protective sheathing, Pyromation RTDs are built to endure harsh industrial conditions. They offer an impressive operational temperature range of -200 to 600°C (-328 to 1112°F), making them suitable for cryogenic applications, high-temperature processes, and everything in between.

Key Specifications for This Assembly:

• Temperature Range: -200 to 200°C (-328 to 392°F) – Note: While RTDs can operate up to 600°C, this specific assembly is rated for -200 to 200°C for optimal performance within its design parameters.
• Process Connection: 1/2" NPT-316SS – Ensures secure and corrosion-resistant mounting in various process vessels and pipelines.
• Conduit Opening: 3/4" NPT – Facilitates easy and protective wiring connections, safeguarding against environmental factors.
• Spring-Loaded Design: The spring-loaded mechanism ensures positive contact between the RTD tip and the thermowell or process, maximizing thermal transfer and response time, even with vibration or thermal expansion/contraction.
• Screw Cover Head: Provides robust protection for terminal connections against moisture, dust, and mechanical damage, simplifying wiring and maintenance.
• Element Type: Available in various element types (e.g., Pt100, Pt1000) to meet specific application accuracy and output requirements.
• Accuracy Class: Typically offered in Class A or Class B, providing high-precision measurement suitable for critical control and monitoring.
• Response Time: Optimized for fast and accurate temperature readings, crucial for dynamic processes.
• Applications: Ideal for use in chemical processing, power generation, food and beverage, pharmaceuticals, HVAC, and many other industries where precise temperature control is paramount.

Pyromation: Your Partner in Temperature Measurement

Pyromation manufactures a comprehensive range of resistance temperature detectors and resistance thermometers for diverse industrial applications. Whether you require standard single- or dual-element RTDs, PT100s-PT1000s, or specialized Sanitary CIP configurations for hygienic processes, we have the ideal RTD solution for your job. If your specific requirements extend beyond our extensive catalog, our expert product engineers are ready to custom-design an RTD measurement device tailored precisely to your application, including temperature sensor assemblies that incorporate connection heads, thermowells, and integrated transmitters for a complete solution. Trust Pyromation for unparalleled quality and performance in temperature sensing.