Title: Demonstrate use of a refrigeration manifold gauge.
Course: Heating, Ventilation, Air Conditioning, and Refrigeration I (17056-I) > Section: Servicing and Maintaining Refrigeration Systems

Demonstration should require

- connecting the gauge to the refrigeration system
- reading the gauge accurately to within +/- 1 percent
- observing safety procedures.

Process/Skill Questions:

- What is the difference between a high-pressure gauge and a low-pressure gauge?
- What is the scale on a high-pressure gauge?
- What does the manifold gauge measure?