HST21U, Astro Systems, Encoder Transducer Module
UNS = Unused Surplus REF = Refurbished
In addition to supplying this Astro Systems HST21U Encoder Transducer Module, we have an Exchange Program for all our In-Stock, ready-to-ship products. Buy a HST21U and buy with confidence! We offer a one (1) year warranty on all in-stock items.