Joper - João Rodrigues Pereira, SA
Rua Juiz Margarido Pacheco, 165 4410-310 Porto São Caetano - Canelas , Portugal
+351 227 116 410 +351 227 116 428 Joper 454216318
João Rodrigues Pereira
49 20
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From building sample rosters designed to last and perform efficiently that meets the expectations and fills the requirements of respected laboratories – regardless if it’s a local farm, an international exporter, a coffee importer, or a small, medium or large coffee roaster – to supplying the best products to analyze and test green and roasted coffee, JOPER maintains its commitment to manufacture high quality and life long products for the coffee roasting industry.
CRG E 100 2 drums

CRG E 100 2 drums

CRG E 100 2 drums

The CRG/E 100-1 sample roaster with 1 drum can run on gas or electricity and it is possible to roast a small batch of 100 grs of green beans, also check and verify the quality of the roasted coffee and use it as a pattern for large scale roasting.

Stable, easy to operate, low maintenance, equipped with digital and temperature control and a thermocouple in the roaster cylinder to measure the temperature of the bean mass itself, the result is highest efficiency in sample roasting.

Without a doubt, JOPER’s CRG/CRE 100 roasters have become the most demanded sample roaster for small, medium as well as large companies, cooperatives, associations of producers, exporters/importers, which made Joper their new suppliers for new projects, as well as for substituting old sample roasters.


- Capacity each drum:  80 -100 Grs of green coffee.
- Roaster solid drum. 
- Front and back lids in Metal. 
- Heat generating oven with gas burner and manual control system. 
  Suited either for natural or propane gas.
- Cooling tray. 
- 1 fan motor 25 Kw inside the roaster: Roaster and cooler 
- 1 Gear box motor 25 W in drum.
- Airflow damper 0-100%, manual control.
- Safety device.
- Electric control panel.
- 1 Digital temperature display, sample tube are provide to enable 
   the roasting process to be monitored all time.
- 1 Thermocouple inside of each drum: Bean temperature. 
- Colour: Black and stainless steel body cover.
- 2 Motors - 220V 50 Hz Single phase /110V 60Hz Single Phase
* This model is also available with electrical oven.


Joper - Model Joper - Capacity per Batch Joper - Roasting Time Joper - Voltage Joper - Fuel Type
Model Capacity
per Batch
Power supply Fuel
CRG/E 100/2 100/3,5-200/7 Grs/Ozs  8' - 15'  110-220/





CRG/E 100/1 100/3,5 Grs/Ozs
CRG/E 100/4 100/3,5-400/14 Grs/Ozs