Barth

• Evaluating small batches of green coffee beans to determine optimal roasting profiles.
• Quality control in coffee production facilities to ensure consistency of incoming bean lots.
• Research and development for new coffee blends and roast styles.
• Training new roasters on the principles of coffee roasting without large-scale bean consumption.
• Showcasing different roast levels to potential clients or for educational purposes.

Typical capacity

For a 3-barrel sample roaster, each barrel typically handles between 50g to 200g of green coffee per roast.

Power supply

Units of this type commonly require a standard single-phase electrical supply for motors and controls, typically 230V, 50Hz in the UK. Heating is often gas-fired.

Heating method

This class of sample roaster commonly uses natural gas or LPG for the roasting heat source, as indicated for this unit.

Footprint

Sample roasters are relatively compact, typically requiring a benchtop or small dedicated stand space, often less than 1 square metre.

Materials of construction

Roasting drums are typically made from cast iron or stainless steel for durability and heat retention, with other components often being steel.

Control type

Units of this vintage commonly feature manual controls for drum speed, airflow, and gas burner intensity, allowing for precise roast profile development.

• What is the primary benefit of a 3-barrel sample roaster?

  A 3-barrel sample roaster allows for simultaneous roasting of three different samples or three different roast profiles of the same sample, significantly improving efficiency for evaluation and profile development.

• Is a Barth sample roaster suitable for continuous production?

• What maintenance is typically required for a used sample roaster?

• Can this type of roaster be converted to run on different gas types?

• What is the significance of the included Barth Grinder Set?

Used roasters are valued for their durability and cost effectiveness in food processing operations. Buyers typically prioritise even heat distribution, temperature control consistency, and robust construction when selecting secondhand units. Industry sentiment favours roasters from established manufacturers known for reliable performance. Key considerations include maintenance history, heating element condition, and capacity matching operational requirements. Well-maintained roasters often deliver dependable service across coffee roasting, nut processing, and other food applications, making them sound investments for processors seeking to minimise capital expenditure.

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