Lutron PDT-2250 RPM Controller/ Monitor

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhu4J9HL86MmCwoEq1NLUp5vIAzfiDevzMNQlrfvxVk0tvPrxI07vWmUvW-NnBs5BA3uexV2JRnPmM1nW7hRfK-VR5wT9-OtxplOLSXMTRXA70jCzYxoPQgGQxGTgbKJXLA3MFcXzuTa2U/s72-c/Lutron+PDT2250.jpg

Description：

RPM CONTROLLER/MONITOR
Model : Lutron PDT-2250
* 5 to 100,000 RPM (0.1rpm, <1,000 rpm).
* Control setting, Hi/Lo alarm setting.
* Control relay output, alarm relay output.
* Power : 90 ACV to 264 ACV, 50/60 Hz.
* RS-232 computer interface.
* DIN size : 96 x 48 mm. Depth : 107 mm.
* Optional proximity sensor PX-01.
* Optional photo sensor PI-06.