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Resistance Temperature Sensors 

Watlow's platinum resistance elements are specially designed to ensure precise and repeatable temperature measurement. Watlow RTDs and thermistors are accurate, sensitive, interchangeable, standardized and repeatable.

Product Description Temperature Accuracy
°F °C
RTDs Accurate, repeatable and interchangeable over a wide operating range. -328 to 1200 -200 to 650 DIN Class A ± 0.06% at 32°F (0°C) DIN Class B ± 0.12% at 32°F (0°C)
Thermistors Highly sensitive to small changes in temperature, fairly accurate over a limited temperature range. -75 to 500 -60 to 260 ± 1% at 77°F (25°C) to ±15% at 32°F (0°C)
ENVIROSEAL™ HD Sensor Suited for heavy-duty applications including those in harsh environments. -40 to 392 -40 to 200 Same as RTD and thermistor accuracies above
Surface Temperature Sensors Can be mounted on flat surfaces and is ideal for surface temperature monitoring applications. -58 to 500 -50 to 260 n/a
 

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