Product Category

RTDs (Resistance Temperature Detectors)

RTDs (Resistance Temperature Detectors)

Resistance Temperature Detectors (RTDs) Ensure Precise and Repeatable Temperature Measurement


Watlow manufactures a variety of resistance temperature detectors (RTD) sensors that are specially designed to ensure precise and repeatable temperature measurement. Watlow sensors are built to meet the most demanding industrial applications while providing a lower total cost of ownership for our customers.

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Optical Res



DIN Class A ± 0.06% at 32°F (0°C), DIN Class B ± 0.12% at 32°F (0°C)

Temperature F

-328°F to 1200°F

Temperature C

-200°C to 650°C