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Calibrate the equipment

Before calibration operation, it is recommended to wear white cotton

gloves when handling the calibration plate. Avoid touching the colored surface

to prevent contamination. Make sure the calibration plate is complete and

clean, and the device is powered on for more than 10 minutes. Check that the

sensor and NIR light LED are clean without any pollutant to ensure accuracy

after calibration.

Place the colored side of the calibration plate on a flat surface, then place

the KN-201 on the calibration plate. Make sure there is a solid fit all around.

Press and hold

[Ground/Setting]

button for more than 3 seconds to enter into

system setup mode (please refer to the corresponding chapter for details).

Select "Calibration" Entry and select "Yes". The screen will show "Calibrate"

and "Wait...". This means that calibration procedure is being performed. Do

not move until "OK" is shown. Repeat the above action if "Fail" occurs. If "Fail"

continues to occur, it may be because the sensor or light source LED is dirty.

Try cleaning them before performing the calibration again.

Содержание KN-201

Страница 1: ...Coffee Roast Analyzer KN 201 User manual Made in Taiwan Version 1 1 6...

Страница 2: ...technology complies with the SCA Roast Color Classification System which enables a coffee roaster accurately measuring the coffee beans Agtron number and the roasting degree name This product uses th...

Страница 3: ...low degree However as the market evolved this type of measuring method is gradually replaced by other measuring equipment that turned to the primary use of assessing the degree of roasting Agtron Gour...

Страница 4: ...s otherwise it will cause damage This product is a precision optical instrument If the sensor or light source is contaminated the accuracy of the measurement will be affected Keep the use and storage...

Страница 5: ...und measurements Self adaptability design error automatic compensation Comply with standard SCA Agtron scales Gourmet and Commercial Display Roast degree name SCA and Common support 200 data logs of h...

Страница 6: ...e short press to start measurement for ground coffee Micro USB To connect the USB charger Charging indicator Orange light indicates charging is in progress and green light indicates charging is comple...

Страница 7: ...tes that charging is in progress When showing Full Charged means the battery is fully charged and the charging will automatically stop This product supports charging and operating the measurement work...

Страница 8: ...er or not it levels with the edge of the cup when filling and flattening the sample cup are the two most important points that will affect the measurement accuracy When placing coffee in the sample cu...

Страница 9: ...er and the corresponding two roasting degree names The name of the SCA definition shows above the Agtron number the common name shows under Over Range is shown when the measured value is outside the r...

Страница 10: ...side of the calibration plate on a flat surface then place the KN 201 on the calibration plate Make sure there is a solid fit all around Press and hold Ground Setting button for more than 3 seconds to...

Страница 11: ...se accuracy When carrying out calibration the ambient temperature should be kept in the range of 25 5 C Temperature outside of this range may affect the accuracy of the calibration After the calibrati...

Страница 12: ...g to select the item options The options are displayed in the table below Item Option Description 1 Auto Power Off 1 Always ON 2 5 mins 3 10 mins 4 30 mins 5 60 mins The default is 30 minutes When the...

Страница 13: ...e the charging cable before cleaning Exterior cleaning The body shell and sample cup plate can be wiped with a micro wet fine fiber cloth and then with a dry cloth to remove the surface moisture Pleas...

Страница 14: ...it use a small amount of soft dishwashing liquid and then rinse with water dry quickly with soft paper towels or cloth The process must be gentle to avoid surface scratches Do not clean light sources...

Страница 15: ...ED Sensor Multi point phototransistors Warm up time 30 seconds Measure range 0 150 Agtron Gourmet number Accuracy 99 Data records 200 records Battery High capacity rechargeable polymer lithium battery...