Alat panguji permeabilitas dampak dianggo pikeun ngukur résistansi cai lawon dina kaayaan dampak anu handap, supados tiasa ngaduga permeabilitas hujan lawon.
AATCC42 ISO18695
| Modél No.: | DRK308A |
| Jangkungna Impak: | (610±10)mm |
| Diaméter corong: | 152mm |
| Jumlah Nozzle: | 25 lembar |
| Lubang nozzle: | 0.99mm |
| Ukuran Sampel: | (178±10)mm×(330±10)mm |
| Klem pegas tegangan: | (0,45±0,05)kg |
| Diménsi: | 50×60×85cm |
| Beurat: | 10 kg |