MATTRESS FIRMNESS TESTER(HD-F779)Product description:Use a spherical protruding at the bottom of the circular rigid plate loading,record force and deflection to analysis,then assess the mattress hardness values and hardness levels.
Features:- The machine can calculate the each test point and perform test automatically after you setting the mattress size.
- PLC control,LCD touch screen interface.
- Servo motor with high electric actuator.
The main parameters:- The platen weight and diameter: a round aluminum disk weighing 8±0.2lb(3.6±0.1kg) with a diameter of 13.54±0.2in.(344±5mm).
- Test speed: 50mm/min.
- Test position: five point.
- Test stroke: 12.5, 25, 38, 50, 63 and 76mm.
- Power: 1 phase,AC 220V,50/60Hz.
- Design standards:ASTM F 1566.