The variable speed multi-purpose oscillator is a biochemical instrument for cultivating and preparing biological samples, and is an indispensable laboratory equipment for scientific research, education and production departments such as plants, biology, microorganisms, biological products, genetics, viruses, medicine, environmental protection, etc. The instrument is floor mounted, with low center of gravity, stable and reliable in continuous reciprocating oscillation.

Model	HY-2/HY-2A	Y-4/HY-4A		HY-5/HY-5A		HY-6/HY-6A
Vibration frequency	0-320 times/min	0-320 times/min		0-280 times/min		0-220 times/min
Vibration amplitude	20mm	20mm		20mm		20mm
Continuous working time	8H	8H		8H		8H
Power	AC 220V ± 10V 50HZ
Timing range	0-120 minutes
Motor power	60W		60W		80W		100W
Working mode	Horizontal reciprocating				Gyration
Note	The one with "A" is digital display type, and the one without "A" is ordinary type.