国产精品丝袜无码不卡一区-特黄做受又硬又粗又大视频小说-日本大尺度吃奶呻吟视频-奇米影视7777狠狠狠狠色-亚洲中文有码字幕日本

BND-YG461Z automatic permeability tester can be used for testing the permeability of many kinds of fabrics, including technical fabric, non-woven fabric and other breathable material.

Standard: GB/T 5453、ISO9237、AFNOR G07-111、ASTM D 737、BS 5636、JIS L 1096-A、DIN 53887

1.meausrement unit：mm/s(L/m2.s) range 0.6～10000 mm/s(L/m2.s)

2.Error：±3％

3.pressure：50～500Pa

4.test area：5cm2，20cm2（≈Φ50mm），25cm2，38cm2（≈Φ70mm），50cm2，100cm2

standard configuration just with 20cm2, others need selective assembly

Note: When changing the test area, the pressure plate above test head and clamping ring both need to be changed too.

5.tested fabric thickness：≤5mm

6.power supply：AC220V±5%  50Hz

7.fan power：370W model：HG-370-C

8.dimension：720mm×500mm×950mm

9.net weight：54kg/90KG