Mazzer Robur S Electronic Espresso GrinderThe Robur S is a high-volume on-demand grinder built around 71 mm conical hardened-steel burrs. At 60 Hz, the burrs turn at 500 RPM and average approximately 6.0 g/s, giving a busy espresso bar very high output with controlled burr speed.2 Year WarrantyWhen investing in coffee equipment, peace of mind is worth its weight in gold. That’s why we proudly offer a 2-year warranty with every commercial grinder purchase. This warranty is your guarantee against manufacturer's defects and ensures that all parts are covered for two years from the date of purchase. We understand that our customers deserve the very best.Don't let uncertainty overshadow your love for freshly brewed coffee – take advantage of this limited-time offer and experience unparalleled assurance with your next equipment purchase.Paid ShippingAt Coffeeionado, we understand the frustration of hidden costs when making online purchases. This is why we're thrilled to announce that we now cover all shipping, freight, and handling charges for our premium coffee equipment within the continental USA. Gone are the days of considering additional fees as you add items to your cart.Commercial WorkflowThree programmable timed doses, manual grinding, a pause function, and hands-free portafilter activation support fast service. Compared with the preceding Robur, the S adds a redesigned chamber with 52% lower retention, Memory Track adjustment, a GFC outlet with interchangeable dampers, and dual-fan split-chassis cooling.Key Specifications 71 mm conical hardened-steel burrs 6.0 g/s at 60 Hz 500 RPM at 60 Hz 800 W motor 1.6 kg / 3.5 lb hopper 28 kg / 62 lb net weight Three timed doses plus manual mode Estimated planning range: 110–150 shots per hour and 350–550 shots per day Recommended burr replacement interval: approximately 800–1,000 kg This is a time-dosing espresso grinder; it does not grind by weight and it is not a pregrind-chamber model.