As RTD elements are fragile, they are often housed in protective probes called thermowells. RTDs have higher accuracy and repeatability [a] than thermocouples, which is why they are slowly replacing …

An RTD (Resistance Temperature Detector) is a sensor whose resistance changes as its temperature changes. The resistance increases as the temperature of the sensor increases.

RTD probes with lead wires provide accurate temperature monitoring for industrial, scientific, and HVAC applications. Durable and reliable, they ensure precise measurements in demanding environments.

Choose from our selection of threaded RTD probes, RTD probes, bolt-on RTD probes, and more. Same and Next Day Delivery.

Jul 28, 2025 · An RTD (Resistance Temperature Detector) is a temperature sensor that exhibits an increase in resistance when subjected to an increase in temperature. RTDs are highly accurate …

Get precise, stable measurement with our RTD probes and assemblies. They are designed for industrial controls, HVAC/R equipment, appliances, oil and gas, and energy.

RTDs, or resistance temperature detectors, are sensors used to measure temperature. These sensors are the among the most accurate temperature sensors available, covering large temperature ranges.

What are RTD temperature sensors? RTDs - or Resistance Temperature Detectors - are temperature sensors that contain a resistor that changes resistance value as its temperature changes. The most …

Jul 23, 2025 · An RTD or resistance thermometer stands for resistance temperature detector that is used for measuring the change in temperature by measuring the variation in resistance over the …

Select from a variety of RTD probes varying from surface probes to penetration probes. These probes are perfect if you’re requiring a higher standard of accuracy in your restaurant, lab, construction …