Standard: ASTM D2434,AASHTO T215, BS 1377-5
Constant Head Apparatus
It is used for testing permeability of granular soil which are sands & gravels. It consists of a transparent permeability cell mounted on a detachable aluminium top & base plate. The cylinder has pressure points at different levels & connected to the manometer & to the costant level tank. Two different cell available (75 mm & 114 mm diameter).
Technical Specifications
| Item Description | Permeability Cell |
| Model Number | NL 5034 X / 001 |
| Nominal Cell Internal Diameter | 75 mm |
| Take-Off Point | 3 |
| Cell Wall | Transparent Acrylic |
| Top & End Plate | Alloy Alluminium Plate |
