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To: Jorawist . can you please tell me the frequency Hz in your power supply? I have a xase like you. I used transformer from 220v to 110v but the frequency was 50 Hz while the machine requires 60 Hz so When I connected the power to the machine it tripped immediately and never worked again. I am sure my machine got damaged due to the frequency difference or due to another reason.
Verified purchase: Yes | Condition: New
If you use a program like OpenRoast or Artisan you can control temperature to the degree, airflow/fan speed (1-9) and time. The roaster is designed for the computer interface. The controls on the machine offer all those controls but without the precision. Well built for a mostly plastic roaster. Very easy to clean and dispose of chaff. I've roasted about a dozen batches so far without a hitch.
Verified purchase: Yes | Condition: New
USB control is easy and roast profiles are easily loaded and edited. Temperature is displayed on the computer in Fahrenheit and produces accurate temperature readings from the roasting chamber. Voltage in Sweden, Stockholm has to be converted to 110-120V. I am using "Spannungswandler Transformator 220V To 110V Konverter Voltage Converter. 2000W." Unfortunately he transformator delivers only 104V at highest SR700 load (high heat). This results in that the heating is not as efficient. A work-around is to lower fan speed and guiding the in-air so that it flows close to the warm glass (preheating it). I then measured a temperature of 440 Fahrenheit in the chamber, which is sufficient for my roast. Low fan speed is not a problem because the beans are light and move easy in the end of the roast. So far so good. I hope it stays working for a long time. I have only used it for some 10 roasts.Read full review
Verified purchase: Yes | Condition: New
excellent coffee roaster
Verified purchase: Yes | Condition: New