An anemometer, a test instrument that measures air velocity is used to determine the average air speed in the duct. Then the average feet per minute is multiplied by the area of the duct in square feet to determine the airflow moving through the duct.Oct 3, 2014
What is a smoke pencil used for?
The Light Duty Smoke Pencil is the tool to identify drafts and air leaks in a home. This non-toxic smoke stick generates a small amount of smoke to help you identify drafts.
What is a smoke puffer?
Smoke Puffer, Smoke Pencil Pro. The Smoke Pencil puffer stick is the tool used to identify drafts and air leaks. Pull the trigger on the smoke stick and see how the smoke moves to show the air movement. You control the amount of smoke by using the trigger.
How do you smoke test a furnace?
https://www.youtube.com/watch?v=E8XzKVBwQ7o
How do smoke pencils work?
The Light Duty Smoke Pencil is the tool to identify drafts and air leaks in a home. This non-toxic smoke stick generates a small amount of smoke to help you identify drafts. ... The light on the end of the Smoke Pencil illuminates the smoke and the area you are testing for easy air movement detection.