The paper capillary suction height tester is a specialized instrument used to measure the capillary suction height of unglazed paper. This instrument is mainly used for unglazed paper and is not suitable for paper with a capillary suction height of less than 5mm within 10 minutes
GB/T 461.1,ISO 8787-1986
1. Measurement range of water absorption height: (0-200) mm