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 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 |
