The CRG 100-4 (Series II) sample roaster operates on gas and features four drums. Each drum can roast a small batch of 4x100g of green coffee beans.

Beyond sample roasting, it serves as a quality benchmark for large-scale production. With digital temperature control and thermocouples in each drum, the CRG 100-4 ensures efficient and precise roasting.

The sample roaster CRG 100-4 ^(*) with four drums (Series II) has also gained popularity as the preferred choice for medium/large coffee companies, cooperatives, producer associations, and importers. Its efficiency and quality have led many to choose Joper as their supplier for new projects and to replace existing sample roasters.

^(*) chaff collecting cyclone included with a 0.37 kW fan.

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