Reference standard：UL854
Main parameters
1. Control system: 7 inch HMI;
2. Traction length: cable traction length 0 ~ 50m, can be set at will
3. Test station: 1 station
4. Sample size: Φ10mm～Φ30mm
5. Joist wood block: made of fir, 4 pieces for each pore size, 29 mm, 32 mm, 35 mm, 38 mm, 41 mm;
6. Test times: 1 time;
7. Low temperature box:
 Temperature range: - 40 ℃ ~ + 150 ℃
 Temperature resolution: 0.01 ℃
 Temperature uniformity: ± 2℃
 Test space: About 500L
 Appearance structure: horizontal
8. Compressed air: pressure range 4-6kgf