A pressure sensor integrated into the nozzle body will detect a flow reduction or overapplication on the row. The system warns you if it detects a variance in an individual row’s flow. While you’re in the cab, you can keep an eye on each row with flow detection integrated into the Gen 4 display. The ExactRate liquid fertilizer system uses one nozzle body for two rows, limiting the number of parts and complexity on each machine. Pulse-width modulation technology varies duty cycle (opening and closing of the valve) in the nozzle bodies in conjunction with flow and pressure measured from central flowmeter and pressure sensor controlling the system pump. With ExactRate, there are no orifice changes for rate or speed adjustments, saving you time and effort while limiting exposure to product. John Deere has leveraged ExactApply™ technology and capabilities from the sprayers to enable row-by-row section control and turn compensation that matches the high-performance planters. The distribution system is pressure tested at the factory to reduce the risk of leaks. The 2.5-cm (1-in.) stainless-steel distribution lines not only reduce corrosion, but they also provide a clean integrated look.
Pumpĭistribution system and nozzle bodies routed on the wing of a 12-row 1775NT NOTE: ExactRate is not recommended for products that require agitation to maintain suspension. This design helps maintain an accurate application rate. The system is closed loop, meaning the pump and nozzle body duty cycle both adjust based on feedback received from the pressure sensor and central flowmeter. Additional features include row-by-row flow detection, as-applied documentation, and variable-rate capabilities, providing operators full integration into the 4600 CommandCenter or 4640 Universal Display.įertilizer flows from the tank to the pump, through a strainer and boom isolation valve, through a central flowmeter, and out to each nozzle body and row-unit for accurate delivery. This factory-installed liquid fertilizer system delivers the same value as your electric drive planter including working at speeds faster than the traditional 8.05 km/h (5 mph), turn compensation, and row-by-row section control, all while accurately compensating for varying rates and speed changes.
The ExactRate liquid fertilizer system is designed to take full advantage of the capabilities of ExactEmerge™ and Ma圎merge™ 5e planters.
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