Omega RTDs
Omega builds its resistance temperature detectors (RTDs) for precise and reliable temperature measurement in the most exacting industrial and scientific settings, where stability, repeatability, and long-term accuracy are non-negotiable. These sensors use high-purity platinum elements, which maintain the kind of predictable resistance-to-temperature relationships one hopes for in efficient thermometers. They perform consistently well across a wide range of temperatures, which is just what one wants when considering installations that range from light-duty lab situations to rugged industrial systems.
Omega uses tough materials that can survive potential threats like moisture, vibration, corrosive atmospheres, and mechanical stress. Many models are especially designed to work nicely in installations that serve the food processing, chemical, power generation, HVAC, and semiconductor industries, places where temperature stability is especially crucial because product quality and system safety are on the line.
FAQs
What makes Omega RTDs more accurate than other temperature sensors?
Omega RTDs use high-purity platinum elements and tight manufacturing tolerances, giving them exceptional stability, repeatability, and long-term accuracy in harsh industrial environments.
Which industries use Omega RTDs most often?
They are widely used in manufacturing, HVAC, food processing, pharmaceuticals, oil and gas, energy systems, and any application requiring precise temperature measurement.
Are Omega RTDs compatible with standard transmitters and controllers?
Yes, Omega RTDs are available in common resistance curves (PT100, PT1000) and wiring configurations (2-wire, 3-wire, 4-wire) to integrate with most industrial control systems.
What temperature ranges can Omega RTDs measure?
Depending on the probe design, Omega RTDs can monitor temperatures from cryogenic levels up to several hundred degrees Celsius while maintaining strong linearity.
How do I choose the right Omega RTD for my application?
You should select based on temperature range, element type, sheath material, wiring configuration, probe length, and the environmental conditions of the installation. I can help you pick one if you want.
What is an RTD?
What is an RTD?
RTD stands for Resistance Temperature Detector. RTDs use a specific type of metal that, depending on the resistance measured in the metal, can measure temperature. Thin film element RTDs use a very thin layer of resistive metal adhered to a substrate, typically ceramic, and coated in glass or epoxy. Wire wound element RTDs provide greater accuracy and a wider temperature measurement range, however, over time the element wire can become stressed leading to slight measurement errors. Coiled element RTDs are the most common type of RTD and allow for strain free measurement on the wire element while still providing accurate measurement.
How do RTD elements work?
As the temperature of a metal increases, the metal's resistance to the flow of electricity increases. As the temperature of the RTD resistive element increases, the electrical resistance, measured in ohms, also increases. Each metal has a certain resistance measurement at different temperatures. Based on the resistance that is measured in a given type of metal, it can be determined what the temperature is. The most common types of metals used in RTDs are platinum, nickel and copper.
What are some advantages and disadvantages of RTDs?
RTDs provide a high level of accuracy over a wide operating range. Because of their accuracy, they are often used in situations where temperature measurement is critical. RTDs are rarely used at temperatures above 660 degrees Celsius and they do not provide the same level of accuracy or resolution as thermistors at lower temperatures.