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R NINE ONE

The R NINE ONE was developed to bring the very best of our commercial machine development programme into a machine capable of outstanding results. Designed for use in a small commercial application or home environment.

Thermal stability through the Rocket Espresso fully saturated group system, coupled with digital PID temperature control

Pre and Post infusion controlled through a full pressure profiling system, using the 5 preset programmes or via manual control through the Rocket Espresso paddle system.

Direct water connection or built in water reservoir, an espresso machine designed to deliver spectacular results in the cup, through both stability and flexibility of control parameters.

What is PID? - The Basics:

If you've been following along with us, you probably know that temperature is extremely important to brewing coffee. While different brew methods and roasts demand different temps, stability is key. PID controllers help ensure that stability. Machines without these devices often use a simple thermostat that isn't as accurate as a PID controller. By comparison, a machine with PID control monitors itself to ensure temperature stability and control.

PID stands for Proportional-Integral-Derivative. Quite a mouthful! On a basic level, a PID controller uses the PID algorithm to determine the best way to control whatever process it's used for. PID controllers are used in a wide range of industrial applications, in our case, it controls the temperature in your espresso machine!

A traditional thermostat has a tendency to hit the desired temp, then turn off the heating element as the temp rises above its target. Then it'll kick back on as the temperature falls below the target. This results in uneven temperatures that can result in inconsistent shot quality in an espresso machine. There are ways to mitigate this with many machines, but it often means learning how to ride the temperature wave with your specific machine. This may require timing the heat-up time precisely or running water through the group head before pulling a shot.

PID controllers use the PID algorithm to keep your machine at the proper brew temperature. This also means that you can directly control the temperature of the machine. While not true in every case, PID controllers are usually visible on the machine. They also usually feature control buttons to increase or decrease the brewing temperature. While this won't matter for most, for some home baristas, experimenting with different roasts and temps is key!

R NINE ONE - 1GR technical specifications available HERE

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