Bante Instruments 320 Instruction Manual
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Bante Instruments 320 Instruction Manual

Portable ph/ion meter
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Bante320 Portable pH/Ion Meter
Instruction Manual
BANTE INSTRUMENTS CO., LTD

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  • Page 1 Bante320 Portable pH/Ion Meter Instruction Manual BANTE INSTRUMENTS CO., LTD...
  • Page 2 Bante320 Portable pH/Ion Meter Introduction Thank you for selecting the Bante320 portable pH/Ion 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 Bante320 Portable pH/Ion Meter Display The Bante320 portable pH/Ion meter is equipped with an easy-read LCD display that used to show the measured values and mode icons. The following table describes the function of each icon. INDEX: Measurement mode icon: Low battery alarm: Indicates the meter is in the measurement mode.
  • Page 4 Bante320 Portable pH/Ion Meter Keypad FUNCTION • Switches the meter ON/OFF. • Locks the measured value, press the key again to resume measuring. • Exits the calibration or setting and returns to measurement. • Toggles between available measurement modes (pH, mV, ORP and ion concentration). •...

  • Page 5: Installing The Batteries

    Bante320 Portable pH/Ion Meter Installing the Batteries • Remove the battery cover from backside of the meter. • Insert three AA batteries into the battery compartment, note polarity. • Replace the battery cover into its original position. Installation is completed. ...

  • Page 6: Prior To Use

    Bante320 Portable pH/Ion Meter Prior to Use Remove the protective cap from the bottom of the electrode. pH Electrode: If the glass sensitive membrane has dried out, soak the electrode in 3M KCL solution (pH adjusted to 4.0) for at least 30 minutes. ORP Electrode (purchase separately): If the sensing element has dried out, soak the electrode in 4M KCL solution for at least 20 minutes.

  • Page 7: Setup Menu

    Bante320 Portable pH/Ion Meter Setup Menu The Bante320 portable pH/Ion meter contains an integrated setup menu that is used to customize the displayed option to meet measurement requirements. In the different modes, the meter will show the corresponding options. The following table describes the functions of the menu items. pH MODE: MENU DESCRIPTION...
  • Page 8 Bante320 Portable pH/Ion Meter 2 points 3 points Calibration Points: 2 points Set the number of calibration points. 4 points 5 points Monovalent Ionic Valency: Monovalent Set the ion valence of sample. Divalent GENERAL OPTIONS: MENU DESCRIPTION OPTIONS DESCRIPTION DEFAULT Stability Criteria: When the LO option is enabled, the Stable icon will quickly appear on the display.

  • Page 9: Setting The Date And Time

    Bante320 Portable pH/Ion Meter Setting the default option If necessary, press the key until the display shows desired measurement mode (e.g., pH). Mode Press and hold the key for 3 seconds to enter the setup menu and the  or  key to select the menu item (e.g., BUF/P-01). Press the key, the display shows an option.

  • Page 10: Automatic Temperature Compensation

    Bante320 Portable pH/Ion Meter 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 measurements. Automatic Temperature Compensation Connect the temperature probe to the meter (Refer to page 4 “Connecting the Sensors”). The ATC icon immediately appears on the display, the meter is now switched to the automatic temperature compensation mode.

  • Page 11: Single Point Calibration

    Bante320 Portable pH/Ion Meter pH Calibration The Bante320 portable pH/Ion meter allows 1 to 5 points calibration in the pH mode. We recommend that you perform at least 2 points calibration for high accuracy measurement. The meter will automatically recognize and calibrate to following standard buffer values. USA Standard Buffers pH1.68, 4.01, 7.00, 10.01, 12.45 NIST Standard Buffers...

  • Page 12: Multi-Point Calibration

    Bante320 Portable pH/Ion Meter Multi-point calibration Ensure that you have selected 2 to 5 points calibration in the setup menu. Repeat the steps 1.2 to 1.3 above. When the first calibration point is completed, the display will show CAL2. The meter prompts you to continue with second point calibration. Rinse the pH electrode with distilled water, place the electrode (and temperature probe) into the next buffer solution.

  • Page 13: Ph Calibration With Custom Buffers

    Bante320 Portable pH/Ion Meter pH calibration with custom buffers Ensure that you have selected the USER option in the setup menu. The calibration solutions should be at least 1 pH unit apart from each other. Rinse the pH electrode with distilled water, place the electrode (and temperature probe) into the custom buffer solution.
  • Page 14 Bante320 Portable pH/Ion Meter Viewing the pH calibration report Press the key in the pH measurement mode, the meter shows LOC/P-01. Press the  or  key until the meter shows ELE/P-02. Press the key, the meter shows the last calibration date (Format: month-day). Enter Press the ...

  • Page 15: Orp Calibration

    Bante320 Portable pH/Ion Meter ORP Calibration The Bante320 portable pH/Ion meter allows 1 point calibration in the relative mV mode, but calibration is not necessary unless exact readout agreement with a work standard and at a specific ORP value is needed. Press the key until the meter shows icon.
  • Page 16 Bante320 Portable pH/Ion Meter Viewing the ORP calibration report Press the key in the ORP measurement mode, the display shows LOC/P-01. Press the  or  key until the display shows ELE/P-02. Press the key, the display shows the last calibration date (Format: month-day). Enter Press the ...
  • Page 17 Bante320 Portable pH/Ion Meter Ion Concentration Calibration The Bante320 portable pH/Ion meter is capable of 2 to 5 points ion calibration with standard solutions, available calibration points include the following options. MEASUREMENT UNITS CALIBRATION POINTS 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 mg/L 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 mol/L...
  • Page 18 Bante320 Portable pH/Ion Meter Rinse the ion selective electrode with distilled water, then rinse with a small amount of standard solution. Place the electrode into corresponding standard solution. Stir the electrode gently to create a homogeneous solution. Press the key, the Calibration icon begins Enter flashing.
  • Page 19 Bante320 Portable pH/Ion Meter Viewing the ion calibration report Press the key in the ion measurement mode, the meter shows LOC/P-01. Press the  or  key until the meter shows ELE/P-02. Press the key, the meter shows the last calibration date (Format: month-day). Enter Press the ...

  • Page 20: Temperature Calibration

    Bante320 Portable pH/Ion Meter Temperature Calibration During the measurement process, if the temperature reading displayed differs from that of an accurate thermometer, the meter needs to be calibrated. Connect the temperature probe to the meter and place into a solution with a known accurate temperature. Press and hold the key for 3 seconds to enter the temperature setting mode.

  • Page 21: Orp Measurement

    Bante320 Portable pH/Ion Meter pH Measurement Press the key until the display shows icon. Mode Rinse the pH electrode with distilled water. Place the electrode (and temperature probe) into the sample solution, stir the electrode gently. Record the measured value when the reading is stable. ORP Measurement The Bante320 portable pH/Ion meter provides two millivolt measurement modes.

  • Page 22: Storing And Recalling Data

    Bante320 Portable pH/Ion Meter Storing and Recalling Data The Bante320 portable pH/Ion meter is capable of storing and recalling up to 500 data sets. Storing readings into memory During the measurement process, press the key to store the reading into the memory, the Memory icon appears on the display.

  • Page 23: 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 24: Electrode Care And Maintenance

    Bante320 Portable pH/Ion Meter Electrode Care and Maintenance pH electrode Since pH electrode is susceptible to dirt and contamination, clean as necessary depending on the extent and condition of use. • After measuring: rinse the electrode in distilled water, store the electrode into the 3M KCL solution. •...

  • Page 25: Troubleshooting

    Bante320 Portable pH/Ion Meter Troubleshooting LCD DISPLAY CAUSE CORRECTIVE ACTION Soak the pH electrode in 3M KCL solution at least 30 minutes. Electrode has dried out Soak the ion selective electrode in 100ppm standard solution for 2 hours. Measured value is out of range Check the electrode whether clogged, dirty or broken.
  • Page 26 Bante320 Portable pH/Ion Meter Temperature Compensation 0~100° C, 32~212° F, Manual or Automatic Memory Stores up to 500 data sets Output USB communication interface Connector Display General Operating Temperature 0~60° C Relative Humidity < 80% Power Requirements 3 × 1.5V “AA” batteries Dimensions 170 (L) ×...
  • Page 27 Bante320 Portable pH/Ion Meter Addendum 1: pH Electrode Selection Guide The Bante320 portable pH/Ion meter comes with a general purpose pH electrode that is used to measure the pH of the liquids. If this electrode can not meet your measurement requirements, please refer to the table below to select an applicable probe. SAMPLE TYPE E201 E202...
  • Page 28 Bante320 Portable pH/Ion Meter Addendum 3: Ion Selective Electrode Selection Guide ORDER CODE ION TYPE RANGE F-US Fluoride (F 0.02ppm~Saturation CL-US Chloride (Cl 1.8~35500ppm Br-US Bromide (Br) 0.4~79900ppm Cn-US Cyanide (Cn 0.2~260ppm Na-US Sodium (Na 0.1~23000ppm NO3-US Nitrate (NO 0.4~62000ppm Ca-US Calcium (Ca 0.02~40000ppm...
  • Page 29 Bante320 Portable pH/Ion Meter Addendum 6: Preparation of Ion Standard Solutions (1000ppm) To prepare these solutions, half fill a 1 liter volumetric flask with distilled water and add the analytical grade reagent below. ION TYPE REAGENT WEIGHT Fluoride (F Sodium Fluoride 2.21g Chloride (Cl Sodium Chloride...

  • Page 30: 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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