This test is performed spreading a measured volume of fine sand (ASTM) or glass spheres (EN) into a circular patch on the road surface and filling the surface depressions to the level of the peaks.
The apparatus comprises the following parts:
- Measuring brass cylinder
- Spreader disc with surface covered by rubber
- Glass sand or glass spheres containers with screw top and pouring hole. Q.ty 2
- Screw-adjusted dividers
- 300 mm rule
- Brush
- Wind shield
- Kneeling pad
- Plastic measuring cylinder 10 ml cap
- Plastic measuring cylinder 25 ml cap
- Plastic measuring cylinder 50 ml cap
Weight approx.: 3 kg
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min 10 ch