主要在測試紙和紙板之防水性能,經上方試管滴入水滴后,檢視其水流痕跡狀態,比對標準表,作為防水等級之依據. 標準依據 produce spec：jis-p8137
this tester is used for determining the waterproof ability of paperpaperboard. user can examine scarcondition of water passage. then, consult the standard tableassess its repellent grade.
| 技術參數 | |
| 試樣specimen | 300＊200mm |
| 試樣臺傾斜度inclination of test base | 45° |
| 滴管與試樣間距 distance of dr-op | 10mm |
| 滴管容量 burette volume | 50ml |
| 滴管量 dr-op volume | 每滴0.1ml |
| 流程長度length of water passage | 250mm |
| 體積（不含滴管）dimension | 25＊30＊57cm |
| 重量weight | 12.5kg |
