BM-V Computerized Friction Coefficient Tester
Pendulum (British pendulum) method for road-surface friction coefficient measurement. Pendulum released from a 50-degree tilt, not less than 70 swings; rubber pad lateral force 220 N x 3; swing distance 126+/-1 mm (center weight 1500+/-30 g, CG weight 410 g); pendulum-arm force-to-center 500 mm; arm weight 1500 g; 7.4 V rechargeable; LCD display.
| Parameter | Specification |
|---|---|
| Standard | ASTM D1894 / ISO 8295 |
| Sled mass | 200 ± 2 g |
| Sled area | 63 × 63 mm |
| Sliding speed | 100 ± 10 mm/min |
| Max travel | 400 mm |
| Force accuracy | ±1% (typical) |