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Summary of Contents for Bante Instruments 904P
- Page 1 Bante904P Portable Conductivity/DO Meter Instruction Manual BANTE INSTRUMENTS CO., LTD...
- Page 2 Bante904P Portable Conductivity/DO Meter Introduction Thank you for selecting the Bante904P portable conductivity/dissolved oxygen 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 Bante904P Portable Conductivity/DO Meter Display The Bante904P portable conductivity/dissolved oxygen 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: Stable icon: Indicates the meter is in the measurement mode.
- Page 4 Bante904P Portable Conductivity/DO 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. • Sets the temperature (Press and hold the key for 3 seconds). •...
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Page 5: Installing The Batteries
Bante904P Portable Conductivity/DO 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
Bante904P Portable Conductivity/DO Meter Filling the Electrolyte Solution Take out the electrolyte solution from the carrying case. Unscrew the membrane cap from the buttom of the dissolved oxygen probe. Fill the membrane cap halfway with electrolyte solution. Screw the membrane cap onto the probe, excess electrolyte solution will drain out. Be sure the cathode of probe makes contact with membrane cap, the electrolyte solution in membrane cap should be without an air bubble. -
Page 7: Switching The Meter On And Off
Bante904P Portable Conductivity/DO Meter Switching the Meter On and Off • Press the key to switch on the meter, the display shows the measured value. Meas • Press and hold the key for 5 seconds, the meter will switch off. Meas Setup Menu The Bante904P portable conductivity/dissolved oxygen meter contains an integrated setup menu that is used to customize the displayed option to meet... - Page 8 Bante904P Portable Conductivity/DO Meter DISSOLVED OXYGEN MODE: MENU DESCRIPTION OPTIONS DESCRIPTION DEFAULT 1 point Calibration Points: 1 point Set the number of calibration points. 2 points Pressure Coefficient: Range: 450~850mmHg or 760mmHg Set the barometric pressure coefficient. 60.0~113.3kPa Salinity Coefficient: Range: 0.0~50.0ppt 0.0ppt Set the salinity coefficient.
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Page 9: Setting The Date And Time
Bante904P Portable Conductivity/DO Meter Calibration Due: 1 to 31 days … When the option is enabled, if the meter does not Disable calibrated within a specified time period, the meter Disable will automatically show the icon. Date and Time: Year-month-day, hour-minutes Set the current date and time. -
Page 10: Automatic Temperature Compensation
Bante904P Portable Conductivity/DO Meter Year Date Time Temperature Compensation In order to get accurate measuring results, we recommend that using a temperature probe for the calibration and measurements. Note, the dissolved oxygen probe has a built-in temperature sensor. You do not need to use the supplied temperature probe. Automatic Temperature Compensation Connect the temperature probe to the meter (Refer to page 4 “Connecting the Sensors”). - Page 11 Bante904P Portable Conductivity/DO Meter Selecting the Conductivity Electrode The Bante904P portable conductivity/dissolved oxygen meter is capable of using the 3 types of 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 electrode and its effective measuring ranges.
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Page 12: Multi-Point Calibration
Bante904P Portable Conductivity/DO Meter Place the electrode into the conductivity standard solution, the meter automatically shows current calibration standard (e.g., 1413µ S/cm). If necessary, press the or key to set the calibration value. Press the key, the Calibration icon begins flashing. Enter Wait for the reading to stabilize, the display automatically shows END. - Page 13 Bante904P Portable Conductivity/DO Meter Conductivity Calibration - Manual Calibration The Bante904P portable conductivity/dissolved oxygen meter provides an easy manual calibration mode. If the conductivity standard solution is not ready, you are able to use this method for calibration. Record the cell constant value on the conductivity electrode (e.g., K=1.01). Press and hold the key for 3 seconds to enter the setup menu, the display shows “CELL/P-01”.
- Page 14 Bante904P Portable Conductivity/DO Meter Viewing the conductivity calibration report Press the key in the 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 15 Bante904P Portable Conductivity/DO Meter DO Calibration in % Saturation Mode The Bante904P portable conductivity/dissolved oxygen meter is able to perform either 1 or 2 points calibration in the dissolved oxygen mode. For single point calibration, we recommend that you perform 100% saturation calibration in the air-saturated water. If the 2 points calibration is selected, the zero oxygen solution needs to be used.
- Page 16 Bante904P Portable Conductivity/DO Meter DO Calibration in mg/L or ppm Mode Single point calibration - air-saturated water Press the key until the meter shows icon and measurement unit “ ”. mg/L or ppm Mode Ensure that you have selected 1 point calibration in the setup menu. Press the key, the meter shows 8.25mg/L/CAL 1 (@25°...
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Page 17: Temperature Calibration
Bante904P Portable Conductivity/DO 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 18: Salinity Measurement
Bante904P Portable Conductivity/DO Meter Conductivity/TDS/Resistivity Measurement Press the key until the meter shows (Conductivity) or (TDS) or (Resistivity) icon. Mode Rinse the conductivity electrode thoroughly with distilled water. Place the electrode into the sample solution, stir the electrode gently. Record the measured value when the reading is stable. Salinity Measurement The meter provides two salinity measurement modes - practical salinity (unit: PSU) and natural seawater (unit: ppt). - Page 19 Bante904P Portable Conductivity/DO Meter Press and hold the key for 3 seconds to enter the setup menu and the or key until the meter shows PRES/P-02. Press the key, the meter shows the default barometric pressure. Enter Press the or key to set the value, press the key to confirm.
- Page 20 Bante904P Portable Conductivity/DO Meter Auto-Hold The meter contains an Auto-Hold function. If enabled, the meter will automatically sense a stable reading and lock the measurements, the HOLD icon appears on the display. If disabled, press the key, the meter will immediately lock the displayed value. Press the key to resume measuring.
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Page 21: Storing And Recalling Data
Bante904P Portable Conductivity/DO Meter Storing and Recalling Data The Bante904P portable conductivity/dissolved oxygen 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 22: 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 23: Electrode Care And Maintenance
Bante904P Portable Conductivity/DO Meter Electrode Care and Maintenance Conductivity electrode • 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 24: Specifications
Bante904P Portable Conductivity/DO Meter Specifications Model Bante904P Range 0.01~20.00, 200.0, 2000µ S/cm, 20.00, 200.0mS/cm Accuracy ± 0.5% F.S Calibration Points 1 to 5 points Calibration Solutions 10µ S/cm, 84µ S/cm,1413µ S/cm,12.88mS/cm,111.8mS/cm Conductivity Temperature Compensation 0~100° C, 32~212 ° F, Manual or Automatic Temperature Coefficient 0.0~10.0%/°... - Page 25 Bante904P Portable Conductivity/DO Meter Range 0~105° C, 32~221° F Accuracy ± 0.5° C Temperature Resolution 0.1° C Calibration Points 1 point Memory Stores up to 500 data sets Output USB communication interface Connector 6-pin Display General Operating Temperature 0~60° C Relative Humidity <...
- Page 26 Bante904P Portable Conductivity/DO Meter Press and hold the key for 3 seconds to enter the temperature setting. Press the or key to set the temperature to 25° C. Place the electrode into the sample solution A and record the temperature value T and conductivity value C Condition the sample solution and electrode to a temperature that is about 5°...
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Page 27: 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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