Kett C-600 Manual de usuario

Rice Whiteness Tester C-600

User Manual

Safety Precautions

If this device is not used according to safety precautions, accidents can occur which may

cause damage to the instrument, the operator or other items. Our design has included

substantial consideration for product safety but please read the precautions contained in

this user manual and use the product correctly.

■ Please obey all safety precautions

Please thoroughly read the precautions included in the user manual.

■ Please don't use this product if it is not working properly

If the product should break or malfunction, please contact the retail outlet where you purchased

the product or our company directly.

■ Interpreting warning symbols

The following symbol is displayed in this user manual to help prevent an incident from occurring due

to inappropriate use of this device.

This symbol is displayed along with instructions that, if ignored, and if the device

is inappropriately used, may lead to the user suffering an injury or material damage.

Caution

1. Measurement Principles and Characteristics..................................... 4

2. Specications ........................................................................................ 5

3. Part Names............................................................................................. 6

4. Description of Operation Keys............................................................. 7

5. Preparing for Measurement.................................................................. 8

6. Measurement......................................................................................... 9

7. Maintenance and Other Functions ......................................................11

8. Errors......................................................................................................14

Table of Contents

1. Measurement Principles and Characteristics

■ MeasurementPrinciples

This device is designed to measure the whiteness of rice based on our

own uniquely developed standard. The C-600 measures reflectivity and

utilizes two blue LEDs as its light source. The light from the blue LEDs

shine onto the sample surface at a 45 degree angle. Next, the amount

of reflected light reflected is measured with a photo diode. The whiter the

sample, the more light reflected back and detected, and thus a higher

measurement value is registered. The whiteness of rice correlates directly

with the milling percentage of that rice. Therefore, you can use this device

to indirectly measure the milling percentage of a rice sample.

■ Characteristics

This device is lighter and more compact than our previous C-300 model.

Furthermore, using blue LED light sources allows for a longer light source

lifetime, reduced power consumption and reduced heat generation. Sensitivity

calibration when the device is turned on has also been reduced, allowing you

to begin measurements faster when compared to previous models.

2.Specications

MeasurementMethod : Reectivitymeasurement

Accepted Samples : Non-glutinous polished rice, non-glutinous brown rice, non-glutinous pre-

washed rice, glutinous polished rice, glutinous brown rice, glutinous pre-

washed rice

Measured Item : Whiteness

Measurement Range : 5.0 to 69.9

Resolution : 0.1

Display Method : Fluorescent display tube

Functions : Average, printer output

Usable Temperature/Humidity Range

: Temperature: 5 to 40°C, Humidity: 30 to 85% (non-condensing)

Light Source : Blue LED

External Output : RS-232C

Power Source :

AC 100V-120V (50/60Hz) : Power cord A (Flat blade attachment plug, Type A-1)

AC 200V-240V (50/60Hz) : Power cord B (Round pin attachment plug, Type C-4)

Maximum Power Consumption

: 35 W (100 V), 60 W (240 V)

Dimensions : 290 (W) × 295 (D) ×185 (H) mm

Weight : 5.0 kg

Included Parts : Whiteness standard plate, sample case, sample platter, fixed quantity

shooter, sample cup, main unit cover, glass wipe, replacement sponge,

replacement packing (x3), replacement fuse, power cord A (100-120V) or

power cord B (200-240V) , power plug adapter, user manual

Optional Items : Printer VZ-330, printer connector cable VZC-14

Display

Sample Case Slot

3. Part Names

RS-232C Connector

Exhaust

Fuse Holder

Whiteness Standard Plate Sample Case Sample Platter Fixed Quantity Shooter Sample Cup

C-600-01 C-600-02 C-600-03 C-600-04 C-600-05

Main Unit Cover Glass Wipe Replacement Sponge Replacement Packing (x3) Replacement Fuse

C-600-06 C-600-07 C-600-08 C-600-09 C-600-10

Power Cord A Power Cord B

Power Plug Conversion Adapter

User Manual Printer VZ-330

Printer Connector Cable VZC-14

(100V-120V) (200V-240V) C-600-12 C-600-13 C-600-14 C-600-15

C-600-11-A C-600-11-B

Glass Filter

Front Cover

Power Switch

Power Connector

Key

It is attached for Power cord A

(for 100V-120V uses) only.

( )

A or B

4. Description of Operation Keys

Key Function

Used to turn the printer output ON or OFF.

Used as a backspace when inputting numerical values.

Used to input standard plate values.

Usedtonalizenumericalinput.

~ Used to input numerical values.

Used for sensitivity calibration.

Used to display the average of the measured values.

5-1. Connecting the Power Cord

[Caution] Power supply voltage may be different when

using this product in other countries. Please only

use a power cord designed for your country.

(1) Insert the power cord into the power supply connector on

the rear side of the main unit.

(2) If the power supply is a three-prong plug 100V-120V outlet,

insertthepowercordintoVACoutlet.(Seetherightgand

in case of 100V-120V uses with blade plug condition)

Connect the included power plug conversion adapter into

the power cord first, then plug the cord into a 100V-120V

power outlet. Next, connect the ground wire on the power

cord to the ground.

[Caution] 200V-240V outlet is used, power cord B should be used.

[Caution] Ifthepowersupplyis200V-240Vwithatbladeplug,the

conversion adapter should be prepared by yourself.

[Caution] If the power supply is 100V-120V with round pin plug, the

conversion adapter should be prepared by yourself.

5-2. Inserting the Whiteness Standard Plate

 Asshowninthegure,insertthewhitenessstandardplate

into the sample case slot on the main unit until it cannot be

inserted any further.

[Caution] The whiteness standard plate lid should never be

opened unless you need to clean the glass surface.

[Caution] Make sure the rice whiteness plate is facing in the

correct direction.

5-3. Starting Up the Main Unit

Turn the power switch located on the rear side of the main

unit to ON. "WARMING-UP" is displayed. You will see

numbersashingandafterapproximately20seconds,the

value of the whiteness standard plate is displayed. Once

the value of the whiteness standard plate is displayed,

remove the whiteness standard plate.

[Caution] If the whiteness standard plate is not inserted correctly

when the power switch is turned ON, the display will

repeatedly show "INSERT STD. "If this should occur,

insert the whiteness standard plate into the sample case

slot on the main unit until it cannot be inserted any further.

The C-600 is now ready for measurement.

5. Preparing for Measurement

Sample Case Slot

Whiteness Standard Plate

Rear Side

6. Measurement

[Caution] Before performing any measurements, use the

glass wipe to clean the glass surface of the

samplecaseandthemainunit'sglasslter.

Fixed Quantity Shooter

Sample Platter

Sample Case

Fixed Quantity

Shooter Hole

6-1. Inserting the Sample for Testing

(1) Place the sample case on a flat surface and set the

sample platter.

(2) Placethexedquantityshooteronthesampleplatter.

(3) Put a level cup of rice in the sample cup, then pour the rice from

the cup through the hole in the fixed quantity shooter. Insert

allofthericefromthecupuntilthericebeginstooverowout

oftheholeinthexedquantityshooter.

[Caution] The sample cup is designed for acquiring a

sample of rice only. Do not use the sample cup as

a container for any other purpose.

(4) Removethexedquantityshooterfromthesampleplatter

and tightly close the lid on the sample case.

[Note] By carefully following the above instructions you can

virtually eliminate any discrepancies in measurement

values due to human error. If you do not properly

insert the test sample, you will not receive an accurate

measurement.

6-2. Insertion Into the Main Unit

Insert the sample case into the sample case slot on the

main unit until it cannot be inserted any further.

[Caution] Make sure the sample case is facing the correct

direction.

6-3. Measurement

Once the sample case has been inserted into the main unit,

the number of times measured and the whiteness value are

displayed on the display.

 ■AverageValue

You can also display the average value of two to nine

measurements. After performing between two to nine

measurements, press the key to view the average

value and the number of times measured. Once the

average value is displayed, all values up to that point are

cleared and the next measurement is treated as the first

measurement of a new set.

The number of measurements is displayed after each

measurement is completed.

However, the number of measurements is reset to one in the

following cases.

(1) When the key is pressed.

(2) When the number of measurements exceeds nine.

6-4. Sensitivity Calibration

After performing measurements for a long period of time,

the sensitivity of the device may need to be re-calibrated.

Therefore, you must check the sensitivity of the device from

time to time.

To check the sensitivity, insert the whiteness standard plate into

the main unit and measure the value of the whiteness standard

plate. If this measurement value is not equal to the number on

the whiteness standard plate, the sensitivity needs to be re-

calibrated. Press the key with the whiteness standard plate

still inserted to automatically calibrate the sensitivity.

You can also press the key to calibrate the sensitivity

when "STD" is displayed in the upper-left corner of the display.

Sample Case Slot

Sample Case

Rear Side

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