These fast response surface probes have a bell-shaped housing with a thin, flat, stainless steel measuring disc, ideal for measuring surface temperatures. Temperature range for the sensor is from -58 (-50°C) to 500°F (260°C). 

Specifications

Sensor Range: -58 to 500°F (-50 to 260°C)
Handle (Heavy Duty): Max temp 185°F (85°C)
Cable: 14 to 221°F (-10 to 105°C)
Time Constant: Less than 5 seconds typical in liquid. Less than 25 seconds full reading.
Accuracy: ±2.7°F (±1.5°C)