SK-311TD / 322 TD are large vibration type, vibration range is 100mm.
SK-300D / 311D / 322D are single-layer type, vibration range is 50mm.
* PID microprocessor control.
* Advanced unishaft drive, low noise.
* Eight self-compiled programs, with different speed and time setting.
* Automatic operation, auto-stop, timing, time display, parameters memory and recovery function.
* Independent over-speed audio and visual alarm, independent leakage protection device.
* Automatic power-off protection system when the motor is overheating and temperature is out of control.