The Flow of Food: INTRODUCTION
ServSafe Chapter 4
Commonly used thermometers in operations
- Bimetallic stemmed thermometers
- Thermocouples
- Thermistors
Two Methods of Calibration
- Ice point method
1. Fill container with crushed ice.
2. Place thermometer stem into ice water, wait 30 seconds.
3. Hold calibration nut with wrench and rotate head.
- Boiling point
1. Bring water to boiling point in deep pan.
2. Submerge probe into boiling water, wait 30 sec.
3. Rotate thermometer head until it reads 212