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Manual and Electric Dampers

WK-300 coffee roaster is built combined with both electric and manual damper, which you can control your airflow is more precisely.

The manual damper handle is made of aluminium alloy instead of the plastic one which can’t be easy broken due to the overheat with using machine often.

Upgraded high performance burner

WK gas burner made in high quality and produces strong fire flame to fit different roasting requirements, fire flame can be adjusted to weak or strong by adjusting the gas gauge knob. It is can be converted from LPG ( NG) to NG (LPG) by replacing
nozzles. wherever you want to use LPG or move to a place for NG,WK gas roasters follow up you in roasting anywhere.

Drum Speed Control and Data Logger

WK-300 is designed with the drum speed control and data logger. We use the Japan brand variation speed motor for drum speed adjustment which is more durable, the adjust range is 0-100 RPM, it helps you develop more of your roasting skills.
The USB port is next to the drum speed control switch on back of the machine, the computer USB works with Artisan software for data logger function. 

Smoke Exhaust System

The chaff collector connects to the main unit directly by a hoop, one person can complete the installation, we phased out the long exhaust pipe connects to machine and chaff unit, the new direct connection greatly improves the exhaust system working efficiency.