Sand Patch Equipment
Surface characteristics for roads and airfields
Measurement of pavement surface macro-texture depth using the volumetric technique.
The equipment consists of:
- Spreader disc with handle and rubber-coated surface
- Wind shield
- Soft and steel brushes
- Screw-adjusted compass with 300 mm scale
- Metallic cylinder for bead volume measurement
- Two glass pycnometers with metal screw caps and pouring hole
- Three graduated cylinders (10, 25, and 50 ml)
- Knee protection
- Carrying case
- Weight: approx. 4 kg
Required accessories:
- Glass beads – 250 μm / 180 μm
- Sand Patch 5 kg
Standards:
EN 13036-1 | ASTM E965 | NF P98 216-1