Whether you’re waiting for a connection or traveling on a bus or train, RTD is focused on providing a Welcoming Transit Environment every step of your journey.

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.

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The RTD wire is typically platinum (Pt), nickel (Ni), or copper (Cu). The material has an accurate temperature–resistance relationship which is used to provide an indication of temperature.

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 …

12/12 – ROUTES 555 Due to construction, the RTD bus stop at California & Walnut (Northbound) will not be available.

Aug 1, 2025 · Our team has 30+ years experience designing RTDs and RTD temperature probe assemblies into the most demanding applications worldwide. Let’s discuss your temperature sensing …

Feb 24, 2012 · A Resistance Temperature Detector (also known as a Resistance Thermometer or RTD) is an electronic device used to determine the temperature by measuring the resistance of an …

The Regional Transportation District (RTD) owns and operates a majority of Boulder's Community Transit Network, while Via Mobility Services operates the HOP route.

With more than 170 bus routes, nine rail lines, and many specialty services, RTD makes it easy to get around town. Hop on board today.