ANSI/AHAM AC-1 Air Purifier Laboratory

Clean Air Output Rate (CADR)

The clean air output rate test is a testing procedure used to measure the performance of air purifiers. In the ANSI/AHAM AC-1 standard, the clean air output rate is an indicator of the pollution-free air output capability of portable indoor electric air purifiers, measured in cubic feet per minute (cfm). From a technical perspective, the clean air output rate refers to the testing room after the air purifier is turned on

The reduction rate of pollutants minus the natural decay when the purifier is not working multiplied by the volume of the test chamber measured in cubic feet (see Section 8.5). CADR is a measure of the overall performance of a purifier, and there is no linear relationship between CADR and the characteristics of air circulation itself or the removal method of a certain particulate matter.

Technical Specifications:

1. Volume 3.2 mx3.7 mx2.4 m=28.5m ³, allowable deviation of ± 0.5m

2. Stainless steel frame, installed on the floor

3. Wall panel with a thickness of 13mm and plywood with a thickness of 9mm

4. The top plate is made of seamless, smooth surface, and fully oiled felt vinyl

5. The floor is made of seamless thickness, smooth surface, and fully oiled felt vinyl

6. Imported medical grade silicone rubber strips and white washable latex semi gloss are used as sealing materials

7. Stirring fan, diameter 0.9~1m, 395 revolutions per minute, three bladed, weighing 20 pounds, W, W, provided by Grainger

8. Circulating fan 1250m/h, installed 1.5m from the bottom of the cabin and 0.4m from the rear wall of the cabin

9. Air filters: primary filter, particulate filter, gaseous pollutant filter. 10. Air leakage rate in the airtight laboratory should be less than 0.05h-1

11. Sampling ports: At least 4 circular sampling ports with an inner diameter of 10mm and a height of 1.0-1.3 meters above the ground, which can be closed when not in use. 12. There are 3 sets of power sockets in the cabin, and at least 8 sets of power sockets are reserved outside the cabin for testing equipment. 13. There are white lights inside the cabin, and the testing cabin has an exhaust system and a circulating purification system, as well as an electric air valve

14. Glove opening: inner diameter of 12cm, two

15. Air inlet purification device, valve controls internal circulation and fresh air