JH-PHD-AAutomatic smoothness testeris used for testing the smoothness of paper andpaperboard; it is ideal testing equipment for papermaking, packaging, printing,commodity inspection, scientific research and other departments.
3.Test range:(1～99999)s 4.Timing accuracy:timing 99999s, the error is not more than 0.1s
5.Contact pressure(kPa):100±0.5 6.Volume of a vacuumvessel system (ml) Large vacuum vessel 380±1 Small vacuum vessel 38±1 7.Vacuum settingrange (kPa) >300s 50.66～48.00 15-300s 50.66～48.00 <15s 50.66～29.33 8.Quick test mode
9.Volume of air discharged (ml)(50.66kpa reduced to 48.00kpa)
Large vacuum vessel 10±0.15 Small vacuum vessel 1±0.04 10.Volume of airdischarged (ml)(50.66kpa reduced to 29.33kpa)
Large vacuum vessel 80±0.8 Small vacuum vessel 8±0.1