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Summary of Contents for Kett PR-930
- Page 1 PR-930 Wheat and Rice Flour Moisture Tester Operating Manual...
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Page 2: Table Of Contents
Thank you for purchasing our Wheat and Rice Flour Mois- ture Tester, PR-930. This tester can measure the moisture of flour by simple operation, but proper operation is necessary for accurate moisture measurement. Please read this operating manual carefully before use. -
Page 3: Contents Of Package
Contents of Package Carrying Case Operating Manual Battery holder Spoon with tweezers Battery (AA size x 4pcs and Sampling tray under battery holder) (2 pcs. for grains) Main unit Cleaning brush (2 types) Sampling tray (2 pcs. for ours) Metal plate (3 pieces) -
Page 4: Part Names
Part Names Display Handle stop mark Testing Chamber Handle “POWER” button “MEA.” button (Measure) “SELECT” button “AVE.” button (Average) -
Page 5: Description Of Display
Description of display This tester adopts the auto power off Use of backlight in the display section function. The power of the tester is allows users to see the display clearly automatically turned o in approx. even in the dark. 5 minutes after turning on the power if no operation is performed. - Page 6 Description of display Meanings of special marks The display may show marks as follows: Battery status is normal. Normal (displayed immediately after pressing the power switch) Battery is weak. Battery mark Caution (displayed immediately after pressing the power switch) Battery is dead. Replace the batteries with new ones. Caution (displayed immediately after pressing the power switch and while using) Displayed when the measured result exceeded the upper limit of the...
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Page 7: How To Place Batteries
How to Place Batteries Take out the main unit Take out the batteries Open the battery box from the carrying case. from under the battery on the back side of the holder. main unit, and place 4 batteries appropriately. -
Page 8: Before Measurement
Let the tester temperature be the temperature of the test sample. When the battery is running out, the PR-930 is equipped with a temperature battery mark lights up at the left side of compensation circuit. However the the display. Replace all 4 batteries (AA) test unit and samples are required with new ones. -
Page 9: Measurement
Measurement Press the "POWER" button. All of the backlight, all characters on the display section, and marks light up for 2 seconds. The backlight goes out, and the tester becomes a standby state for measuring. All display immediately after pressing “Wheat Flour”... - Page 10 Measurement Scoop wheat flour with the spoon Put wheat our on the sampling tray with tweezers and use the grip of the and shake the tray slightly to atten cleaning brush to level off the rice the our. our.
- Page 11 Measurement Press the "SELECT" button and repeat Put the metal plate on the wheat until the Selection Indicator and the flour and press it gently with your abbreviation for name of the product finger. Perform measurement with you wish to test appears. the metal disc put on.
- Page 12 Measurement When measurement is performed for whole wheat, long or short milled Evenly in one layer in the sampling rice, or paddy use the spoon with tweezers to scoop the sample on sampling tray atwise. Insu cient Evenly Placed Too Many in one layer...
- Page 13 Measurement Rotate the handle counterclockwise Note: Failure to observe this may cause the tip of the handle to damage the plastic to let the sampling tray enter the portion of sampling tray. Be sure to testing chamber. Place the sample fully insert the tray.
- Page 14 Measurement Slowly rotate the handle clockwise. Press the "MEA." button, and the When the tip of the handle reaches decimal point blinks, the backlight the sample, fully rotate the handle to lights up, and the moisture content the “handle stop mark” holding the and measuring number are displayed handle rmly.
- Page 15 Measurement T h e b a c k l i g h t g o e s o u t a f t e r 4 Fo r c o n t i n u o u s m e a s u re m e n t , seconds, but the moisture content per form the next measurement remains being displayed.
- Page 16 Measurement Clean testing chamber inside, sampling tray, and metal plate after every measurement. (Pictures 1, 2, and 3) If the last test sample remains, proper measurement cannot be performed. For continuous measurement, disconnect the handle and remove the attached sample and contamination from the tip of the handle and contact section sometimes.
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Page 17: Average Value
Average Value Pressing the "AVE." button after several Note1: To o b t a i n t h e a v e ra g e va l u e o f moisture contents, press the "AVE." measurements can obtain the average b u t t o n w i t h i n 5 m i n u t e s a f t e r v a l u e o f t h e m e a s u r e d m o i s t u r e measurement. -
Page 18: Storage
Storage Observe the following instructions to keep moisture tester for a long period of time: • Be sure to remove the batteries. • Clean every portion of the main body in a careful manner. Especially for the measuring unit, disconnect the handle and clean the inner contact section su ciently. -
Page 19: Speci Cations
Speci cations Applications / Wheat our ....11-18% Long milled rice ..10-20% Long paddy ....10-35% Measurement range Wheat ......9-30% Short milled rice ..10-20% Short paddy ....10-30% Rice our ......8-18% Measurement Flours : standard error of 0.25%(1σ) at 130C 5g 2hrs method (Entire range) precision Grains : standard error of 0.5%(1σ) at 130C 5g crushed 2hrs method (Under 20% range) * If the measurement is made at a different temperature than 20C, measurement... - Page 20 Notes Copying some or all of the contents of this user manual without prior written consent is strictly prohibited. contents of this user manual may be changed at any time in the future without any prior notice. appearance and/or representations of the products and parts depicted in this user manual may not ap- pear exactly as their actual counterparts, but this does not a ect their operation or functionality.
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