Resistance Temperature Detector (RTD) Icon

Free Resistance Temperature Detector (RTD) icon for manufacturing documents. Transparent PNG, commercial use OK, no sign-up.

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Category: Control Equipment · Updated 2026-09-21

About the Resistance Temperature Detector (RTD)

An RTD measures temperature from the change in electrical resistance of a metal element, commonly platinum. It is widely used for accurate process temperature measurement in ovens, piping and tanks.

Where to use this icon

• Show temperature measurement points in P&IDs
• Explain sensor selection in control system proposals
• List sensors in maintenance and calibration manuals

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