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Sibata Aquab AQ-202 Operation Manual

Handy water meter
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For Measurement of Residual Chlorine (High Concentration)
Handy Water Meter
Model
Thank you for purchasing this product.
This operation manual describes
important precautions for preventing
accidents as well as procedures for
handling the product.
Read this operation manual and the
attached warranty thoroughly before
use, and use the product safely and
correctly.
After reading this operation manual
and the warranty, keep them handy
for future reference.
2003-2016 SIBATA SCIENTIFIC TECHNOLOGY LTD.
CODE 080560-202
"AQUAB"
AQ-202
]

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Summary of Contents for Sibata Aquab AQ-202

  • Page 1 Read this operation manual and the attached warranty thoroughly before use, and use the product safely and correctly. After reading this operation manual and the warranty, keep them handy for future reference. 2003-2016 SIBATA SCIENTIFIC TECHNOLOGY LTD.

  • Page 2: Table Of Contents

    Table of Contents Page Page Before Use Memory Check Mode About This Operation Manual User Calibration Mode Troubleshooting Contents of Package Safety Precautions Error Displays Inspections and About This Product Maintenance Names of Parts Main Specifications Consumables and Powder Reagents Related Parts Using the Product Warranty and Repairs...

  • Page 3: Before Use

    Carrying case ······ 1 pc Warranty ························· 1 copy Quick Manual ······ 1 copy Operation Manual (this document) ······ 1 copy Note: If any of the items are damaged or missing, contact your Sibata representative or the store where you purchased the product.

  • Page 4: Safety Precautions

    Safety Precautions Important The precautionary information in this operation manual is provided to ensure the safe use of the product and to prevent property damage and injury to you and other people. It is all important for ensuring safety, so be sure to read it thoroughly before using the product and observe it during use.
  • Page 5 WARNING Handle sample cells Do not use a power carefully to prevent supply not specified in them from getting this document. Prohibited Mandatory damaged. Sample cells are partially Doing so may damage the made of glass. Failure to product. handle them carefully may result in injury.
  • Page 6 WARNING Do not let powder or Do not use powder or other reagents get into other reagents for other your eyes or mouth. applications. Prohibited Prohibited Doing so may cause Doing so may result in an physical abnormalities. accident. Note: If these get into your eyes or mouth, see page 12 for remedies.
  • Page 7 CAUTION Do not use the product When not using the in environments where product for a long time, there is condensation remove the batteries Prohibited Mandatory or condensation is likely from the compartment. to form. Doing so may damage the Failure to do so may product.

  • Page 8: About This Product

    About This Product This product is an easy-to-use handy water Easy-to-carry, compact body meter. The test water is colored with a reagent, and the concentration of residual chlorine Saves up to 99 measurement values is measured by the amount of transmitted light.
  • Page 9 Function of Operation Keys Name Function When this key is pressed in the measurement mode, zero-point recognition is started. [ZERO] key In the memory check mode or user calibration mode, it functions as the up key. When this key is pressed in the measurement mode, measurement of the test water is started.

  • Page 10: Powder Reagent

    Display There is sufficient battery power left. The remaining battery power is approximately 50 %. The batteries have run out. Replace with new batteries. No. Name Description This displays measurement values, various setting values, error Main display messages, and other information. In this water quality photometer, concentration is displayed in terms Unit display of mg/L.

  • Page 11: Powder Reagents

    Powder Reagents The powder reagents provided with this product are prepared based on the iodine titration method, a test method used in the "Standard Methods for Examination of Water" (from JWWA). When a pack of the powder reagent is added to test water such as hypochlorous acid solution that contains high-concentration residual chlorine, it is colored to between light yellow and dark yellow (When measurement is performed on the AQ-202, the concentration of residual chlorine is displayed.).

  • Page 12: Using The Product

    If Powder or Other Reagent Gets on You or Is Swallowed... If it gets into your eyes If it gets on your skin If you swallow it If you breathe it in Immediately wash with Go to a location where there is Immediately wash the affected Drink large amounts of running water for at least...

  • Page 13: Measurement Precautions

    Measurement Precautions Be sure to observe the following precautions when performing measurement. Note that, if these precautions are not followed, correct measurement results will not be obtained, for example due to measurement error. Test water (sample) • Use test water in the range 5 °C to 30 °C. (Note 1) •...

  • Page 14: Mode Selection

    Mode Selection When using this product, select a mode according to the purpose to perform the intended work procedure. Select one of the three modes: measurement mode, memory check mode, and user calibration mode. To change the mode, you can use the mode selection screen or press the [MODE] key. Changing the Mode on the Mode Selection Screen Holding down the [MODE] key for at least 2 seconds enters the mode selection screen.

  • Page 15: Inserting The Batteries

    Inserting the Batteries Insert four AAA alkaline batteries into the AQUAB body. Prepare four fresh AAA alkaline batteries. Note: The batteries included with the product are only for checking operation. Orient the rear side of the AQUAB body toward you. Slot a coin or similar object into the groove of the battery lock and turn it to loosen.

  • Page 16: Measurement

    Measurement This section describes measurement procedures. Before starting measurement, be sure to thoroughly read "Safety Precautions" and "Measurement Precautions." Turning the Power ON With the display OFF, press any key Display example to turn the instrument ON. The measurement mode is used immediately after the power is turned ON.
  • Page 17 [ How to close the cell cover ] Close the cell cover, and press the Sample cell [ZERO] key. After zero-point recognition for 2 seconds, "000 mg/L" and "ZERO" are displayed. This completes "zero-point recognition." Concentration Measurement When zero-point recognition is completed, remove the sample cell from the measurement chamber.
  • Page 18 Close the cell cover, and press the [MEAS.] key. (Press the [MEAS.] key within 10 seconds of pouring the powder reagent into the sample cell.) After concentration measurement Display example for 2 seconds, the resulting concentration value is displayed. Note: Measurement values are automatically saved to the memory No.

  • Page 19: Memory Check Mode

    If you fail to do so, measurement data may not be obtained. Please be aware that in the rare event of product failure, Sibata bears no responsibility to compensate for unrecorded measurement data, and is not responsible for loss of data or for other direct or indirect damages incurred from such loss.
  • Page 20 Memory Clear Before clearing the memory, confirm that it will not cause any problems. Memory clear means cleaning all measurement data saved in the product. Once the memory is cleared, the data cannot be restored. Before clearing the memory, thoroughly confirm that it will not cause any problems. Change the mode to the memory Mode Selection Screen check mode by mode selection.

  • Page 21: User Calibration Mode

    User Calibration Mode This water quality photometer is pre-programmed with a concentration conversion equation before shipment from the factory. Normally, this equation can be used as it is. However, configure a setting in this mode when frequently measuring special samples or when you want to perform measurement using your own setting.
  • Page 22 Next, load the sample cell containing the prepared colored solution equivalent to 300 mg/L in the measurement chamber while aligning the triangle marks. Pressing the [MEAS.] key displays the final calibration concentration flashes at the same time. Using the [ZERO] and [MEAS.] keys, Display example set the target concentration value.
  • Page 23 Hold down the [ZERO] and [MEAS.] Display example keys at the same time for at least 5 seconds. "CLr" appears on the main display and starts flashing. When the main display changes to "---," this indicates that the reset is completed.

  • Page 24: Troubleshooting

    Troubleshooting If a problem occurs during use of the product, promptly stop using it. If the error has been caused by a product failure, do not use it again, and request repair. Problems sometimes occur for reasons other than malfunction. Before requesting repair, check the following.

  • Page 25: Error Displays

    If, as a result of confirmation, a malfunction is suspected, do not disassemble or repair the product by yourself. Contact your Sibata representative or the store where you purchased the product. When contacting them, tell them the following information:...

  • Page 26: Inspections And Maintenance

    Indication Error Name Problem Remedy Wipe off any dirt from the sample cell. Remove any foreign matter or dirt from the measurement A sufficient amount of chamber. Insufficient transmitted light is not The test water is too colored, obtained at zero-point detection and cannot be measured on recognition.

  • Page 27: Main Specifications

    Routine Maintenance If water droplets or dirt is left in the measurement chamber, remove it with a clean lab wipe. Wipe off any dirt from the product with a soft, dry cloth. For stubborn dirt, use a cloth moistened with a small amount of neutral detergent to wipe it off. Storage This product uses an interference filter to adjust the amount of light.

  • Page 28: Consumables And Related Parts

    Repairs During the Warranty Period During the warranty period, repairs are performed in accordance with the terms and conditions of the warranty. For details, check the terms and conditions and contact your Sibata representative or the store where you purchased the product.
  • Page 29 (e.g. by transcription) before requesting repairs or other service work by Sibata. If you ignore the precautions in this manual or fail to create a backup, Sibata shall not be responsible for any damages resulting from lost or damaged data.
  • Page 30 20160614H02...

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