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| Product Name | zy ZY-TQ Paper Air Permeability Tester | YunDa YD-TQD-A Paper permeability Tester (7 inch screen) |
| Product Price | $949.00 | $4216.00 |
| Details | Details | |
| Model comparison | ||
| Measurement method | Shopper method | Shopper method Graleifa Bentson |
| Parameter comparison | ||
| Measurement Range | 0-17μm/(Pa.s) / (0-1000ml/min) | 0~2500mL/min、0.01~42μm/(Pa•s) |
| test area | 10.0±0.05cm | 10cm² |
| Differential pressure on the sample | 1.00±0.01kPa | |
| Specimen Size | 60*100mm | |
| Coaxiality of center hole of upper and lower clamping ring | It should not exceed 0.05mm. | |
| Instrument Dimensions | 350*250*1160mm | |
| mass | 21.5kg | |
