Specification
- motor
- Synchronous Motor
- power
- AC 220V
- counter
- Three Digit Pre-set Type with Memory Back-up
- material
- Mild Steel
- frequency
- 50Hz
- rub speed
- 21, 42, 85, 106 cpm
- rubbing frequency
- 40+-2rpm
- load on the finger
- 4.9+-0.1n & 9.8n+-0.2n
- instrument dimension
- 39 cm
- dimensions of felt piece
- 0.55 cm
- initial distance b w clamps
- 80+-5mm
- length of travel of the finger
- 0.2 cm
- dimensions of the test specimen
- 5 cm
