Farmscan Jackal Monitor. Mulitpurpose Monitor which can be used for many purposes, from single shaft Tachometer to full Air Seeder Monitor (2 Bins or even 3 Bins).  Can handle signals from up to 9 separate sensors - e.g. Fan Speed, Shaft Speed, Ground Speed (Wheel Sensor or GPS), Air Pressure, Bin Level. Has some simple control functions e.g. may be used as a Batch Meter or for engaging/disengaging clutch.  Alarms can be set for all inputs.