CDN Candy thermometer is easy to read and has protective outer case to keep glass thermometer from breaking.  It will hang from pan by way of a steel clip. 

Measurement Range:
100 to 400°F/40 to 200°C
8"/20.3 cm color-coded scale
Waterproof
For candy, jelly and deep-frying
Target range indication
Durable laboratory glass
Stainless steel housing
Non-mercuric column
Plastic handle stays cool
Temperature guide on thermometer
2-way mounting: hang/stainless steel clip