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Summary of Contents for Bante Instruments DDS-12DW
- Page 1 DDS-12DW Benchtop Conductivity Meter Instruction Manual BANTE INSTRUMENTS CO., LTD...
- Page 2 DDS-12DW Benchtop Conductivity Meter Introduction Thank you for selecting the DDS-12DW becnhtop 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 DDS-12DW Benchtop Conductivity Meter Display The DDS-12DW conductivity 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: Hold icon: Indicates the meter is in the measurement mode.
- Page 4 DDS-12DW Benchtop Conductivity Meter Connectors INDEX: CONNECTOR DESCRIPTION COND Used for connecting the conductivity electrode Used for connecting the temperature probe Used for connecting the power adapter...
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Page 5: Installing The Electrode Holder
DDS-12DW Benchtop Conductivity Meter Installing the Electrode Holder Take out the electrode arm from the packaging. The base plate of the electrode holder has a circular hole, the electrode arm has a connecting rod. Insert the connecting rod into the circular hole and swivel the electrode arm 90 . -
Page 6: Connecting The Temperature Probe
DDS-12DW Benchtop Conductivity Meter Insert the 6-pin connector into the connector socket labeled COND. 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 7: Prior To Use
To enable the Auto-Power Off feature, please refer to chapter SETUP MENU. Setup Menu The DDS-12DW 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 8 DDS-12DW Benchtop Conductivity Meter • If the is selected, the user only need to input a constant value labeled on the electrode for calibration. The meter will use this value as a slope parameter to calculate the measurement result. For more information, please refer to chapter MANUAL CALIBRATION. Note, once the “USER”...
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Page 9: Automatic Temperature Compensation
DDS-12DW Benchtop Conductivity 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 5 “Connecting the Temperature Probe”). The ATC icon immediately appears on the display, the meter is now switched to the automatic temperature compensation mode. -
Page 10: Automatic Calibration
Selecting the Conductivity Electrode The DDS-12DW conductivity 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. -
Page 11: Multi-Point Calibration
DDS-12DW Benchtop Conductivity Meter Place the electrode into the conductivity standard solution, the meter automatically shows current calibration standard (e.g., 1413µ S/cm). Press the key, the default calibration value begins flashing. Enter Press the ◄ or ► key to set the calibration value, press the key to confirm and move to next digit. -
Page 12: Manual Calibration
Repeat the steps 2.3 and 2.5 above until the meter returns to the measurement mode. Calibration is completed. Manual Calibration The DDS-12DW conductivity meter provides an easy manual calibration mode. If the conductivity standard solution is not ready, you are able to use this method for calibration. -
Page 13: Temperature Calibration
Record the measured value when the reading is stable. Auto-Hold The DDS-12DW conductivity 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. -
Page 14: Electrode Care And Maintenance
DDS-12DW Benchtop Conductivity Meter 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 15: Specifications
DDS-12DW Benchtop Conductivity Meter Specifications Model DDS-12DW Range 0.01~20.00, 200.0, 2000µ S/cm, 20.00, 200.0mS/cm Accuracy ± 1% F.S Conductivity Resolution 0.001, 0.01, 0.1, 1 Calibration Points 1 to 3 points Calibration Solutions 10µ S/cm, 84µ S/cm,1413µ S/cm,12.88mS/cm,111.8mS/cm Range 0~105° C, 32~221° F Accuracy ±... - Page 16 DDS-12DW Benchtop Conductivity Meter Where: = Temperature coefficient = Conductivity at Temperature A = Conductivity at Temperature B = Temperature A = Temperature B Press and hold the key for 3 seconds to enter the temperature setting. Press the or key to set the temperature to 25° C.
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Page 17: 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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