The NMI-PR35 piezoelectric rotator is made of high-quality materials such as titanium and beryllium copper, the actuator is made of PZT ceramic, and the connecting wire includes insulated twisted pair wires. Equipped with coarse and fine positioning modes, with a coarse positioning stroke of 360 #176; Infinite, maximum driving speed at 300K 32 #176; /s， Input voltage 0-60V; angle range of 40 at precise positioning 300K; #176; 、 At 4K, 6 #176; , with a resolution of μ #176; Equipped with a position encoder, using a metal ceramic resistance sensor, with an encoding stroke of 315 #176;