Small Grain Curved Tube (Vacuum) Hi-Rate sensor. This sensor is an infrared hi rate sensor as fitted to John Deere 7200, 7300, and 1700 planter.
This sensor can be used with all types of Dickey John Monitors.
It is fitted with an 80cm flying lead and a 3 pole Weather-Pack connector.
Dickey-John P/N: 452440881A