The Sensor-1 Reluctance speed sensor is used for ground speed input for planter monitoring applications by reading raised metal objects such as sprocket teeth or bolt heads. 

• For use on planters with the KM3000 or SM3000 Planter Monitor
• Sensor has a short lead with a 2-pin Weather Pack connector
• Adapters available for most applications
• Sensor size fits in a 1.25-inch hole with two plastic jam nuts for easy mounting
• DJ-461720040 & Case-IH 982543