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Twilight Palette Series Instruction Manual

Digital refractometer
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Refractómetro Tipo Paleta
AT-PR32a

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Summary of Contents for Twilight Palette Series

  • Page 1 Refractómetro Tipo Paleta AT-PR32a...
  • Page 2 3442-E16 DIGITAL REFRACTOMETER Palette Series ● PR-32α Cat.No.3405 ● PR-101α Cat.No.3442 ● PR-201α Cat.No.3452 ● PR-301α Cat.No.3462 INSTRUCTION MANUAL When a malfunction is suspected! Malfunctions often come from low battery. Check the battery first, and if the battery is low,...
  • Page 3 Examples of Use User scale User scale Measure Brix (%) Cp.11 Cutting oil A Cutting oil A Easy Brix (%) measurement. Apply the sample This instrument can be used for various samples. "12.Methods of measurement for special samples" Press the （Cp.18）...
  • Page 4  Caution Be sure to read this caution before using the instrument . Durability of the body casing of this instrument The body casing of this instrument is made of "ABS resin." ◇ If this instrument is exposed to steam, there is a possibility that the body casing of the instrument may crack.

  • Page 5: Table Of Contents

    Contents Precautions for use ............................. 4 Confirmation of package ........................... 7 Names and roles of each part ........................7 Inserting the battery ............................8 Zero setting (In case of PR-32α, PR-101α, PR-201α) ..............9 Standardization (In case of PR-301α) ....................10 Measurement ..............................

  • Page 6: Precautions For Use

    1. Precautions for use Introduction Thank you for purchasing the instrument. Before using the instrument, read this instruction manual carefully and understand how to use it. After reading this manual, keep it on hand for future reference. In this manual "For safe use" describes the important items necessary for safety. Read it carefully.
  • Page 7 Handling of this instrument (Continued)  CAUTION ◇ Do not apply water or sample over any part ◇ If this instrument is used to measure very hot or other than the surface of the prism. highly acidic samples, the prism may be Application on any other part of the instrument damaged resulting in inaccurate measurements.
  • Page 8 Handling of battery  WARNING ◇ ◇ Make sure to use a specified battery or that Do not heat, shortcircuit, burn a battery or supplied with the instrument as an accessory. take it apart. If done so, it may cause burst or When loading the instrument with a battery, fire.

  • Page 9: Confirmation Of Package

    2. Confirmation of package Please confirm the following contents of the package when the unit is unpacked.  Main unit ..............1  006P Alkaline Battery (9V) ........1  Instruction Manual (this book) ......1  Standard Liquid (only PR-301α) ..... 1 ATAGO's instruments are rigorously inspected to ensure each unit meets the highest standards of quality assurance.

  • Page 10: Inserting The Battery

    4. Inserting the battery  CAUTION ◇ When loading the instrument with a new battery, carefully do it not to make a mistake in connection of the positive (+) and negative (-) poles of the battery. If they are wrongly connected, it causes a trouble or damage of the refractometer.

  • Page 11: Zero Setting (In Case Of Pr-32Α, Pr-101Α, Pr-201Α)

    5. Zero setting (In case of PR-32α, PR-101α, PR-201α)  CAUTION ◇ The refractometer needs the "zero setting" (calibration) before it is used for the first time in a day. Moreover, if the ambient temperature changes during the daily work with the refractometer, it needs the zero setting again.

  • Page 12: Standardization (In Case Of Pr-301Α)

    6. Standardization (In case of PR-301α)  CAUTION ◇ Perform standardization with a standard liquid in a 18～25℃ environment. ◇ When the refractometer is used for the first time after purchase or the battery is replaced, make sure to perform the "zero setting"(standardization) for the refractometer.

  • Page 13: Measurement

    7. Measurement  WARNING ◇ When measuring a substance harmful to the human body, be well aware of its properties and put on protective gloves, mask, etc.  CAUTION ◇ Do not use any metallic implement for sampling because the metal tool possibly damages the prism surface.

  • Page 14: About Data Transmission Function

    8. About Data Transmission Function  CAUTION ◇ When the history of measured data reaches 100, no further measurements can be taken unless all 100 records are deleted. ◇ The data transmission function can be set to ON / OFF. 8-1.

  • Page 15: Software Installation

    8-3. Software installation Android devices Applicable Application Software (app) "NFC Reader" * If an NFC tag reader app is already installed on the Android devices, this app can be used. Laptop or PC + USB NFC Reader/Writer Data history can be exported to Microsoft(R) Excel (R)(for Windows(R)) using a NFC software "ATAGO Logger (NFC)."...

  • Page 16: Data History Readout

    8-5. Data history readout Android devices 1. Launch NFC Reader (or other NFC tag reading app). 2. Position NFC on Android device to the 'Palette' logo at the center portion of the this instrument then bring in contact. * Do not move it. (Hold for 1 second or more.) All recorded data stored in this instrument are...

  • Page 17: Delete Data History

    8-6. Delete data history 20.4℃ Full All data history will be deleted from this instrument. Deleted data history can not be restored. When the history of measured data reaches 100, no further measurements can be taken unless all 100 records are deleted. A data history can not be selected.

  • Page 18: Powering Off

    9. Powering off The instrument will turn itself off after approximately 2 minutes of inactivity. To manually turn it off, hold down the START/OFF Button for more than 2 seconds. 10. Error messages * Please refer to "13-7.Error message" （Cp.22）for the user scale functional-related error message display.

  • Page 19: Display Unit Of The Instrument

    11. Display unit of the instrument The instrument designed to measure concentration of liquid using the refraction of light. The "Refractive Index" is a unit which expresses the refraction of light. Individual substances have a value of Refractive Index of their own and the following substances have a value of Refractive Index at 20℃...

  • Page 20: Methods Of Measurement For Special Samples

    12. Methods of measurement for special samples (1) High/low temperature samples Table 12-1: Changes in prism and sample This instrument is equipped with a temperature temperature sensor under the prism Example: Applying a 10℃ sample to a 30℃ prism and it detects the temperature of the Prism temperature prism for automatic temperature compensation.

  • Page 21: User Scale Function

    13. User scale function 13-1. Introduction This instrument can display and button between 4 scales. Scale 1 is Brix (%). Scales 2, 3, and 4 are user scales. User scales use an offset function to calculate the converted concentration from the Brix value and directly display that value for various samples, such as water-soluble liquids used in metalworking, cleaning fluid, or various medicines, and other industrial liquids.

  • Page 22: How To Release The Scale Lock

    13-3. How to release the scale lock At the time of shipment the scale is set to Brix. When setting a conversion coefficient, release the scale lock. [1] is displayed. Press the SCALE button. Press the ZERO setting -1- is displayed. button and START/OFF button simultaneously.

  • Page 23: How To Set A Offset Function

    13-5. How to set a Offset Function The Offset Function can be used to multiply/add/subtract a fixed value to the instrument values. Setting values for "a" and "b" in the equation "y=ax + b" will enable the instrument to display adjusted values. y=ax + b y: adjusted value a: coefficient (multiplication)

  • Page 24: How To Measure

    13-6. How to measure Press the SCALE button to confirm the Example: Scale number 2 scale number. Clean the prism surface thoroughly. Apply a sample. Press the Flashes 3 times START/OFF Button. 20.3℃ 24.1 Example: measurement value display N Once the scale number is selected, the scale will remain selected even after the display is turned off.

  • Page 25: How To Change The Scales

    13-8. How to change the scales After taking a measurement, it is possible to button to the measurement values of other scales. N If the scale number is locked, release the scale lock. "13-3.How to release the scale lock"（Cp.20） When the SCALE Button is pressed, the scale number and measurement value will be displayed. Scale number Measurement value Scale number...

  • Page 26: Inspecting This Instrument

    14. Inspecting this instrument Inspect the instrument to see if it displays the measured value correctly. Perform the inspection periodically, e.g. once a month, also when the main unit of the instrument was subjected to a strong impact or vibration or a measured value is different from the usual measurement.

  • Page 27: Storage And Maintenance

    15. Storage and maintenance    CAUTION CAUTION CAUTION When the unit's Never clean the Do not leave the This is a precision body gets wet, wipe unit using a unit under direct instrument. off the moisture petroleum solvent. sunshine and close Do not drop or with dry cloth.

  • Page 28: Repair And Warranty

    17. Repair and warranty The instrument is a complicated precision electronic instrument consisting of optical (prism and objective lens) and electronic parts. Since light and electricity are combined in the operation of this instrument, their mutual actions may make it difficult to isolate operational problems.
  • Page 29 1810K Printed in Japan...

This manual is also suitable for:

Pr-32Pr-101Pr-201Pr-301

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