Maximize your fleet's uptime and minimize costly downtime with the Robinair AC1234-4SL, the ultimate mobile solution for R-1234yf A/C service. This fully automatic machine is engineered for efficiency and precision, handling both standard and high-voltage A/C systems with ease. Its integrated scale lock eliminates recalibration after transport, saving you valuable time and ensuring accurate refrigerant measurements every time. The extra-long 12' service hoses provide unparalleled reach and convenience, streamlining your workflow in even the most challenging mobile environments. Beyond convenience, the AC1234-4SL delivers exceptional performance. Achieve a remarkable 98.5% recovery efficiency, ensuring minimal refrigerant loss and environmental responsibility. The charge accuracy within +/- oz guarantees precise servicing, preventing overcharging or undercharging, which can lead to system failures. Safety is paramount. The safe startup feature prevents accidental operation when the scale is locked, and an indicator light reminds technicians to secure the scale before transport. This machine adheres to rigorous SAE J2843 standards for R-1234yf equipment, ensuring compliance and peace of mind. The Robinair AC1234-4SL isn't just a machine; it's a strategic investment that optimizes your fleet's maintenance, improves technician productivity, and reduces operational costs. Invest in the reliability and precision of Robinair, the trusted name in mobile A/C service.