John Blue Flow Monitors are perfect for monitoring flow rates when spraying or applying agricultural liquid fertilizer. The VisaGage II is cost effective and simple to install in single …

John Blue Flow Monitors are perfect for monitoring flow rates when spraying or applying agricultural liquid fertilizer. The VisaGage II is cost effective and simple to install in single …

The John Blue Flow Monitor Calculator works on your desktop and laptop computers. It’s used to calculate your flow rate in equivalent gallons per minute per row (based on your fertilizer …

John Blue Flow Monitors are perfect for monitoring flow rates when spraying or applying agricultural liquid fertilizer. The VisaGage II is cost effective and simple to install in single …

John Blue's 12-Volt Speed Controller is a ccurate and has smooth control over a wide range of RPM’s, stand-alone gauge options, easily readable digital display, better wiring connectors, …

John Blue VisaGage II Flow Monitors are designed to let you know, at a glance, when any outlet is partially or fully plugged. Constructed of chemical-resistant polypropylene adaptors and light …

Now you can monitor NH3 (anhydrous ammonia) application flow directly from the cab of your tractor. No more second-guessing if a delivery line is plugged! The VisaGage NH3 Flow …

• Run/Hold feature on 25A models, works with limit switch or hall-effect sensor • Comes with heavy gauge wiring, 1/4” pressure tubing, and fittings • Metal enclosure with mounting flanges

• Available with or without integrated stainless steel gauge • Mounts in the tractor cab for easy access • Run/hold feature on 25 and 35 AMP models, works with limit switch or hall

This CDS-John Blue VisaGage is a direct replacement for the Red Ball Monitors. This gauge is easy to see from your tractor seat, increasing your efficiency and productivity. The VisaGage …