7/29/2020 2:15 PM | |
Joined: 9/27/2006 Last visit: 8/14/2024 Posts: 12277 Rating:
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Hello jinn; To add a bit of information on NastasaM's post, here are a few interesting links: - Pt100 and Pt1000 Sensors: Important Facts and Differences The Difference Between Pt100 and Pt1000 Sensors Among platinum RTD sensors, Pt100 and Pt1000 are the most common. Pt100 sensors have a nominal resistance of 100Ω at ice point (0°C). Pt1000 sensors’ nominal resistance at 0°C is 1,000Ω. Linearity of the characteristic curve, operating temperature range, and response time are the same for both. The temperature coefficient of resistance is also the same. However, due to the different nominal resistance, readings for Pt1000 sensors are higher by a factor of 10 compared to Pt100 sensors. This difference becomes evident when comparing 2-wire configurations, where lead measurement error is applicable. For instance, the measurement error in a Pt100 could be +1.0°C, and in the same design a Pt1000 could be +0.1°C. - How to Choose Between a RTD PT100 vs Pt1000? https://www.omega.com/en-us/resources/rtd-pt100-vs-pt1000 Hope this helps, Daniel Chartier |
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