We recommend cleaning the furnace at least once every 6 months
FAQ
How often should I verify/calibrate the unit?
The NCAT furnace has two measurements that may need to be calibrated. The scale should be calibrated annually. Also, some states like California and Michigan require temperature verification. Check your state specification for furnace verification requirements.
How do I know when a test is complete?
The test will be complete when the scale records the same value for three consecutive minutes. Once the test is complete, the unit will beep, print out the remainder of the ticket with the results, the door will unlock, and...
How long does a sample typically take to burn?
While there are variations based on sample size, asphalt content, and other factors, most burns typically take from 30-45 minutes.
What size samples should I burn?
Sample sizes are determined by mix, state requirements, and various other external factors. However, most samples typically run between 1200 and 2000 grams. The larger the sample, the more time it will take to burn.