Scope of application: It is used to detect down, feathers and silk from inside down jacket samples with a length of less than or equal to 40cm The number of roots is used to evaluate the overall anti-drilling performance of the garment. It is also used to test the lining and fabric of down products The ability of various fabrics to prevent down or feathers from leaking through yarn gaps. Instrument features: 1. Industrial color touch screen display, control, friendly human-machine interface is simple to use, more convenient operation. Medium English display can be converted. 2. The rotary box can be manually turned, and can be turned forward or reverse, easy to load. 3. Dc servo motor, smooth running, low noise, speed can be set digitally. Applicable standards:GB/T 14272-2021 Appendix D Method B; GB/T 12755-1991; FTMS 191A-5530;IDFL_Test_Method_201. Technical parameters: Display: 7 inch color touch screen. Type: Method B, rotating box type, small box. Internal dimensions of rotary box: (450±8)mm×(450±8)mm×(450±8)mm. Rotary box speed: digital setting, the standard value is (45±1)r/min. Setting range of rotation of rotary box: 1-9999. Standard rubber plug (GB/T 14272, silicone rubber) : hardness (55±5) HA, weight (23.75±0.75)g, quantity 16. (Optional standard rubber ball (GB/T 12705, butyl cyanide rubber) : hardness (45±10) HA, weight (140±5)g, numberMeasure 10). Dimensions: W950mm×D680mm×H810mm. Power supply voltage: AC220V±10%; Power: 200W Weight: 105kg