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BANTE A151 Instruction Manual

Benchtop conductivity meter
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A151 Benchtop Conductivity Meter
Instruction Manual
BANTE INSTRUMENTS CO., LTD

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Summary of Contents for BANTE A151

  • Page 1 A151 Benchtop Conductivity Meter Instruction Manual BANTE INSTRUMENTS CO., LTD...
  • Page 2 A151 Benchtop Conductivity Meter Introduction Thank you for selecting the A151 benchtop conductivity meter. This manual provides a step-by-step guide to help you operate the meter, please carefully read the following instructions before use. Unpacking Before unpacking, ensure that the current work environment meets following conditions.
  • Page 3 A151 Benchtop Conductivity Meter Keypad The A151 meter has a succinct membrane keypad, names and symbols describe the each function key controls. FUNCTION • Switches the meter ON/OFF. • Exits the calibration or setting and returns to measurement. • Selects the measurement mode.

  • Page 4: Installing The Electrode Holder

    A151 Benchtop Conductivity Meter Installing the Electrode Holder Take out the electrode holder from the packaging. Turn the meter over. Align the base plate of the electrode holder with the circular holes on the meter. Moderately tighten two screws. Adjustment of electrode arm After installation, if the electrode arm automatically rises or falls, you need to adjust the screw until arm locate at any position.

  • Page 5: Connecting The Temperature Probe

    A151 Benchtop Conductivity Meter Insert the 6-pin connector into the connector socket labeled EC/DO. After the connection is completed, DO NOT pull on the cable. Always make sure that the connector is clean and dry. Connecting the Temperature Probe Place the temperature probe into the circular hole of the electrode arm.

  • Page 6: Switching The Meter On And Off

    To enable the Auto-Power Off feature, please refer to chapter SETUP MENU. Setup Menu The A151 conductivity meter contains an integrated setup menu that is used to customize the displayed option to meet measurement requirements. The following table describes the functions of the menu items.
  • Page 7 A151 Benchtop Conductivity Meter 10 seconds 30 seconds When the option is enabled, the meter will automatically Interval Readings send the measured data to the computer or printer. 60 seconds 10 minutes 30 minutes Enable Password Set the password protection for calibration and settings.

  • Page 8: Temperature Coefficient

    Temperature Coefficient The A151 conductivity meter contains two temperature correction methods. The linear temperature correction is appropriate for most samples. If the current sample is belong to the natural water (e.g., natural ground, well, or surface waters), using the non-linear correction is necessary. Note: non-linear correction can only be performed at temperature range from 0°...
  • Page 9 A151 Benchtop Conductivity Meter Stability Criteria The Stability setting allows the user to set when a measurement is recognized as stable by the meter. When the Standard option is enabled, the Stable icon will quickly appear on the display. When the High-accuracy option is enabled, the icon will take longer to appear, but guarantees high accuracy of the measurement.

  • Page 10: Factory Reset

    A151 Benchtop Conductivity Meter Password The password protection is used to prevent the unauthorized calibration and settings. If enabled, the user must enter the 4-digit password to access the calibration or setup menu. If the setting value is 0000, the password protection will invalid.

  • Page 11: Prior To Use

    A151 Benchtop Conductivity Meter Prior to Use Soak the conductivity electrode for a few minutes in tap water to remove dirt and oil stains on the electrode. Temperature Compensation For better accuracy, we recommend the use of either a sensor with a built-in or a separate temperature probe for the calibration or measurement.

  • Page 12: Conductivity Calibration

    Selecting the Conductivity Electrode The A151 conductivity meter is capable of using the 3 types of 2-pole conductivity electrodes. Prior to the calibration and measurement, you need to select the different sensors as per your sample concentration. The table below shows available electrodes and its effective measuring ranges.
  • Page 13 A151 Benchtop Conductivity Meter Place the conductivity electrode into the standard solution, the meter automatically shows current calibration standard (e.g., 1413µ S/cm). If necessary, press the  or  key to modify the calibration value. Press the key, the Calibrating.. icon shows on the display.

  • Page 14: Multi-Point Calibration

    A151 Benchtop Conductivity Meter Multi-point calibration Ensure that you have selected 2 or 3 points calibration in the setup menu. Repeat steps 1.2 to 1.6 above. When the first calibration point is completed, the display will show “Calibration Point 2”. The meter prompts you to continue with second point calibration.

  • Page 15: Temperature Calibration

    A151 Benchtop Conductivity Meter Wait for the reading to stabilize, the display will show “Calibration Point 3”. The meter prompts you to continue with third point calibration. Repeat the steps 2.3 to 2.5 above until the meter returns to the measurement mode. Calibration is completed.

  • Page 16: Calibration Report

    A151 Benchtop Conductivity Meter Calibration Report The A151 conductivity meter provides detailed report for the conductivity calibration. Press the key in the measurement mode, the meter shows the data log options. Press the  or  key to select the “Calibration Report”.

  • Page 17: Storing And Recalling Data From Memory

    A151 Benchtop Conductivity Meter Storing and Recalling Data from Memory The A151 conductivity meter are capable of storing and recalling up to 1000 data sets. Storing a measurement result During the measurement process, press the key to store the measured value, the meter will show a reminder as follow.

  • Page 18: Clearing The Memory

    A151 Benchtop Conductivity Meter Clearing the memory If the memory is full, the meter will automatically show a reminder and wait for user to delete all stored readings. WARNING: once the data are deleted that can not be recovered. In the measurement mode, press and hold the key for 3 seconds to enter the setup menu.

  • Page 19: Receiving Data

    Communication Bante Instruments provides a Data Acquisition System that can be used to transfer data, receive the measuring values or import the data to Excel. You are able to download this software from our official website at www.bante-china.com. Before installation, ensure that Windows 7/8/10 operating system has been installed on your computer.

  • Page 20: Specifications

    A151 Benchtop Conductivity Meter Conductivity Electrode Care and Maintenance • DO NOT touch the measurement area of electrode and always make sure that is clean. • If there is a build-up of solids inside the measurement area, these should be removed very carefully with a cotton bud soaked in solvent, taking care not to touch the metal parts of the inner cell.
  • Page 21 A151 Benchtop Conductivity Meter Addendum 1: Preparation of Conductivity Standard Solutions Place AR potassium chloride reagent in a 50ml beaker and dry in an oven for 3 to 5 hours at 105° C, then cool to room temperature in desiccator.

  • Page 22: Warranty

    Hazardous Substance Statement Bante Instruments is committed to the reduction and eventual elimination of all hazardous substances in both the manufacturing process and finished products we supply. We have an active manufacturing and procurement program to minimize and eliminate the use of harmful heavy metals such as cadmium, lead, mercury and the like.

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