Industrial Conductivity Meter HE-480C Instruction Manual CODE:M500772A(I1002576000A)
Introduction Thank you for your purchasing of our industrial conductivity meter HE-480C. This instruction manual describes the operation of the Industrial conductivity meter, HE-480C. Be sure to read this manual before using the product to ensure proper and safe operation of the instrument. Also safely store the manual so it is readily available whenever necessary. Product specifications and appearance, as well as the contents of this manual are subject to change without notice.
Conformable Directive This equipment conforms to the following directives and standards; Directives: The EMC Directives 89/336/EEC in accordance with Article 10 (1) of the Directive. The Low Voltage Directive 73/23/EEC Standard: [The EMC Directive] EN61326: 1997 + A1: 1998 + A2: 2001 (Emission: Class A, Immunity: for Industry location) [The Low Voltage Directive] EN61010-1: 2001 This equipment shall not be used in the residential, commercial and light-industrial environment.
Safety Policy ● Meaning of signal words Warning: This indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Caution: This indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices. Mandatory: This indicates actions you are required to do. The actual content of requirement is described using figures and text along with pictographs.
Contents 1 2 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.1.1 1.1.2 Operation keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indicator lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 4 1.2 Operation modes and menus . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 6 7 For More Accurate Measurements. . . . . . . . . . . . . . . . . . . . 53 5.1 Daily calibration (calibration mode) . . . . . . . . . . . . . . . . . . . . . . . . 53 5.2 Maintenance for the instrument body . . . . . . . . . . . . . . . . . . . . . . 53 5.2.1 Inspection of the meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 6.1 Troubleshooting . . . . . . . . . . . . . .
1 Overview 1 Overview Outline z IP65 (dust and water proof) panel. z Selectable sub-display items, including current temperature. z Concentrated control keys on the front panel for all settings.
1 Overview 1.1 Components Front panel Measurement display Displays a measured value. Sub-display Status indicator lamp Indicates the status of output. Unit display Displays a set value or error code. Mode indicator lamp Operation keys There are six operation keys. Do not operate the keys or push the panel surface with a sharp object, such as the fingernail.
1 Overview 1.1.1 Operation keys Operation keys are used to switch displays, enter settings, and perform calibration, etc. You can change the value or item while the display is blinking. Select a value or item using the UP/DOWN keys, and press the ENT key. And the display will flash, and the setting will be established. To disabled the key operations use the security menu.
1 Overview 1.1.2 Indicator lamps Mode display Measurement lamp Lights up during the measurement mode. This lamp is turned OFF during the calibration and maintenance modes, during which measurement is stopped. Calibration lamp Lights up during the calibration mode. To enter the calibration mode, hold down the CAL key until this lamp lights up. Calibration can be performed while this lamp lights up is being lit. Measurement is stopped in this state. Maintenance lamp Lights up during the maintenance mode.
1 Overview 1.2 Operation modes and menus This instrument has 3 operation modes and 5 menus in its major category. Operation modes Measurement mode Measurements and instrument control are performed. Calibration mode Calibration are performed. Maintenance mode Measurements and outputs are stopped, and performs various setups are performed. Menu The following menus are provided under the measurement and maintenance mode. For how to enter each of the modes and menus, see the respective description pages.
1 Overview Modes and menus from the measurement mode Measurement mode Maintenance mode Press the MNT key for a while. Basic setup menu Refer to page 19 Calibration menu Refer to page 43 DOWN key DOWN key (Temperature calibration, conductivity adjustment) User check menu Refer to page 51 DOWN key Press the CAL key for a while. Calibration mode (Temperature calibration) Refer to page 53 Control value setup menu Refer to page 46 Press the MNT key once.
1 Overview 1.3 Specifications Product name Industrial conductivity meter Model HE-480C Measurement method Electrode type (2-electrode method) Cell constant 0.01/cm, 0.1/cm, or 1.0/cm Temperature sensor specifications Platinum resistance 1000 Ω/0°C; temperature coefficient 3750 ppm/°C standard Measuring range Cell constant (/cm) 0.01 (ESD/ESL-001) 0.1 (ESD/ESL-01) 1.0 (ESD/ESL-1) Measurement range (µS/cm) 2.000/20.00 20.00/200.0 200.0/2000 Measurement range (mS/m) 0.2000/2.000 2.
1 Overview Temperaturecompensated range 0°C to 100°C Ambient temperature -5°C to 45°C Relative humidity 20% to 85% (without dew condensation) Storage temperature -25°C to 65°C Power supply Rated voltage 100 V to 240 V AC, 50/60 Hz, 10 VA (max.
2 Installation 2 Installation 2.1 Installation environment To keep the instrument stable and reliable for use, install it in a place where the following conditions are satisfied.
2 Installation 2.2 Installation procedure Mount the instrument on a control panel. The panel thickness should be 1.0 mm to 9.0 mm. Cut a square with dimensions shown in the figure below from the control panel. [ Unit: mm ] (or more) When installing the instruments in a row, leave an interval of 70 mm or more horizontally and 130 mm or more vertically between the square openings. [ Unit: mm ] (or more) Mounting Insert the instrument into the square opening and secure it with fixtures. 1.
2 Installation Dismounting 1. Remove the cables from the terminal block. Remove the fixtures one by one, and then the instrument body from the panel. 2. Insert a slotted screwdriver or the like into the gap between a fixture and the instrument body to detach a notch from the groove. 3. Remove the fixture. 4. Remove the other fixture, in the same way. 5. Pull out the instrument body from the control panel. Fixtures Insert a slotted screwdriver or the like here.
2 Installation 2.3 Connection 2.3.1 Connecting the contact outputs z z The contact capacity is 240 V AC 3 A or less, or 30 V DC 3 A or less. If load noise is observed, use a varistor or noise killer. To connect a load beyond the contact capacity or use inductive load (such as a motor, or pump), be sure to use a power relay whose rating is higher than the load. Mandatory When the instrument is turned off, the C-NC contact is shorted. Be careful when connecting a load.
2 Installation 2.3.2 Connecting the sensor cable Precautions for handling the sensor cable The conductivity sensor cable is highly insulated. Follow the instructions below when handling it. z Do not wet the terminals of the cable or the terminal block, nor stain them with finger marks or oil. Otherwise, the insulation of the cable is weakened. If the insulation is weakened, the readout may become unstable. Keep the cable dry and clean all the time.
2 Installation 2.3.3 Connecting the transmission output cable A signal of 4 mA to 20 mA DC corresponding to the measurement range is output. The maximum allowable input resistance of the receiver device is 900 Ω. Select an appropriate receiver device (recorder or meter relay). 1. Connect the cable to the terminal block referring to the figure below. Use a shielded wire for the transmission cable.
2 Installation 2.3.4 Connecting the power supply Electric Shock Warning Make sure that no electric power is supplied to the instrument before starting this work. Do not turn on the power until your work is completed. About the power switch This instrument has no power switch. Install a power switch or circuit breaker around to turn ON/OFF the instrument. Connecting the power cable The power supply of this instrument is a variable power supply that the rated voltage is 100 V to 240 V AC, 50/60 Hz.
3 Preparation 3 Preparation When you start using the instrument for the first time after factory shipment or resetting it to factory settings, be sure to complete the following preparation procedures. z Wiring checking z Initial set up z Calibration Wiring checking Check the following.
3 Preparation Display Description Factory setting Options Reference temperature setting 5 to 95 (°C) 25 Setting of TDS conversion coefficient When “tdS” has been set for the 0.50 unit selection: 0.30 to 1.00 Setting of the number of moving average times (dumping factor) 1 to 20 (times) 1 Setting of items to be displayed on the sub-display no, 1.SEt, 2.SEt, t t Measurement range cut Does not display values out of the conductivity range specified in “Measurement range setting”.
3 Preparation Display Description Factory setting Options Safety factor of USP criterial value for relay output 2 30 to 100 (%) 100 Reverse output for relay 2 YES, no no Selection of upper or lower limit for relay 2 H, L L Control value setting for relay 2 The setting range is 0 to the conductivity value specified in 0.00 the measurement range setting Selection of control width type for relay 2 d.diF, S.diF Setting value for control width in both directions 0% to 20% of the measurement 4.
4 Measurement 4 Measurement 4.1 Measurement Power on the conductivity meter with the preparation (see page 16) is completed, and the instrument meter will start up in the measurement mode. 1. Turn the power on. The measurement target appears on the measurement display. The measurement range is then displayed and the instrument enters the measurement mode. After the measurement value is displayed, and the measurement starts. This is the normal measurement mode. 4.
4 Measurement Display Basic setup item Description Reference Unit selection Measurement range setting Selection of calculation method of temperature compensation page 24 page 24 page 25 Temperature coefficient setting page 26 Reference temperature setting page 27 TDS conversion coefficient setting page 27 Measurement conditions Display setting Relay output: R1/ R2 Transmission output *: Number of moving average times (dumping factor) Sub-display setting Display outside the measurement rang
4 Measurement 4.2.1 Sensor setting Enter the values found on the sensor label except the cable length. Label example: MODEL MFG.No. CELL CONST RTD TEMP COEF TSD-01L 1234567 1.107 × 0.1/cm 1000 -0.26Ω 3750ppm/°C Cell constant compensation coefficient Cell constant, 0.1 or 0.01 Resistance compensation value for platinum resistance (RTD), which is shown as a deviation from 1000 Ω * Temperature coefficient of platinum resistance (RTD) * *:Not shown when the MODEL name is ESD Cell constant selection 1.
4 Measurement Cell constant compensation coefficient setting 1. Open the sensor setting menu referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for cell constant setting, “CELL”. 2. Display “CoEF” on the measurement display using the DOWN key, and press the ENT key. The sub-display starts blinking. Now you can change the setting. 3. Press the UP/DOWN key to set the cell constant compensation coefficient.
4 Measurement RTD resistance compensation setting How to open basic setup menus” 1. Open the sensor setting menu referring to “ (page 19). The setup item selection screen is displayed on the measurement display, showing the display for cell constant setting, “CELL”. 2. Display “rESt” on the measurement display using the DOWN key, and press the ENT key. The sub-display starts blinking. Now you can change the setting. 3. Press the UP/DOWN key to set the RTD resistance compensation value.
4 Measurement 4.2.2 Measurement condition Unit selection Select the unit for measurement values. 1. Open the measurement condition setting screen referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for unit setting, “Unit”. ← Current setting 2. Press the ENT key. The sub-display starts blinking. Now you can change the setting. 3. Select a unit using the UP/DOWN key.
4 Measurement Selection of calculation method for temperature compensation Select the calculation method for temperature compensation. 1. Open the measurement condition setting screen referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for unit setting, “Unit”. 2. Display “tC” on the measurement display using the DOWN key, and press the ENT key. The sub-display starts blinking. Now you can change the setting.
4 Measurement Temperature coefficient setting Set the temperature coefficient. A temperature coefficient is the value that shows the percentage of change in conductivity for 1°C of change in temperature. 1. Open the measurement condition setting screen referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for unit setting, “Unit”. 2. Display “t.
4 Measurement Reference temperature setting Set the reference temperature. A reference temperature is the base temperature used when determining a temperature coefficient. It is also referenced for conversion in temperature compensation calculation. 1. Open the measurement condition setting screen referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for unit setting, “Unit”. 2.
4 Measurement What is TDS? The term TDS is an acronym for “Total Dissolved Solids”, representing the total amount of solids dissolved in a solution. The conductivity of a solution is determined based on the amount of salinity, minerals, and dissolved gasses in it. In this respect, conductivity is the indicator of total amount of all substances in the solution. TDS indicates only the amount of dissolved solids in the solution among others.
4 Measurement 4.2.3 Display method Sub-display setting Select the item to be displayed on the sub-display during measurement. 1. Open the basic setup menu and press the UP/DOWN keys to display the current sub-display setting (as below) on the panel, referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for sub-display setting, “S.dSP”. ← Current setting 2. Press the ENT key. The sub-display starts blinking.
4 Measurement Decimal place selection Select the decimal place (displayed digits) for displaying temperatures. 1. Open the basic setup menu and press the UP/DOWN keys to display the current sub-display setting on the panel, referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for sub-display setting, “S.dSP”. 2. Display “t.drG” on the measurement display using the DOWN key, and press the ENT key.
4 Measurement 4.2.4 Contact output Set control actions for R1 and R2 respectively. This section explains the setup procedures using R1 as an example. Set up the R2 actions in the same way.
4 Measurement Control targets and their available options Make the setting referring to the table shown below. Displayed options vary depending on the settings shown in gray. Items with a check mark are available for selection. Table 4 Control targets and their available options Display Item Control target selection Options non Cond Hold Err FAiL Safety factor for USP criterial value 3 Reverse control output 3 Control method 3 Control value 3 Control width type USP 3 3 3 3 d.diF S.
4 Measurement Control target selection Select the control target of the contact output. 1. Open the basic setup menu and press the UP/DOWN keys to display the control target setting for R1 (as below) on the panel, referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for control target setting, “1.SEL”. ← Current setting 2. Press the ENT key. The sub-display starts blinking. Now you can change the setting. 3.
4 Measurement What is the USP criterial value? The USP criterial value is the upper limit of conductivity without temperature compensation specified for each of the predefined temperature ranges from 0°C to 100°C. The USP criterial values are used for monitoring conductivity of pharmaceutical-grade water.
4 Measurement Reverse output setting Select whether or not to invert the control output of the control target. 1. Open the basic setup menu and press the UP/DOWN keys to display the control target setting for R1 on the panel, referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for control target setting, “1.SEL”. 2. Press the DOWN key to display “1.rE” on the measurement display, and then press the ENT key.
4 Measurement Control method setting Select the limit operation, upper or lower 1. Open the basic setup menu and press the UP/DOWN keys to display the control target setting for R1 on the panel, referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for control target setting, “1.SEL”. 2. Press the DOWN key to display “1.H-L” on the measurement display, and then press the ENT key. The sub-display starts blinking.
4 Measurement Control width type setting Select the control width type. 1. Open the basic setup menu and press the UP/DOWN keys to display the control target setting for R1 on the panel, referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for control target setting, “1.SEL”. 2. Press the UP/DOWN key to display “1.dFS”, and then press the ENT key. The sub-display starts blinking. Now you can change the setting.
4 Measurement Control width setting Set the control widths. The procedures are different depending on the selected control width type. When the control width type is “d.diF” Sets the same width is set both over and under the control value at the center. 1. Open the basic setup menu and press the UP/DOWN keys to display the control target setting for R1 on the panel, referring to “ How to open basic setup menus” (page 19).
4 Measurement Delay time setting for relay ON Set the alarm output duration from the start until the C-NO contact output turns ON (unit: seconds). 1. Open the basic setup menu and press the UP/DOWN keys to display the control target setting for R1 on the panel, referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for control target setting, “1.SEL”. 2. Press the UP/DOWN key to display “1.
4 Measurement 4.2.5 Transmission output Set up the items related to transmission output.
4 Measurement Span point of the transmission output range Set the measured value corresponding to 20 mA is parallelized 1. Open the basic setup menu and press the UP/DOWN keys to display the zero setting of transmission output on the panel, referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for transmission output range's zero point setting, “mG.0”. 2. Press the DOWN key to display “rnG.
4 Measurement Hold value Set the hold value to be used if preset hold is enable. 1. Open the basic setup menu and press the UP/DOWN keys to display the zero setting of transmission output on the panel, referring to “ How to open basic setup menus” (page 19). The setup item selection screen is displayed on the measurement display, showing the display for transmission output range's zero point setting, “mG.0”. 2. Press the DOWN key to display “PrES” on the measurement display, and then press the ENT key.
4 Measurement 4.3 Calibration Three types of calibration are provided, namely temperature calibration, adjustment of conductivity zero point's compensation coefficient, and adjustment of cell constant compensation coefficient. Table 7 Calibration setting items Display Item Description Reference Remarks Temperature calibration For temperature calibration; Set the deviation from the sample temperature only.
4 Measurement 4.3.1 Temperature calibration Adjust the temperature compensation value. Operation 1. Dip the electrode into a solution of known temperature, and allow time for the temperature sensor to stabilize. 2. Hold down the MNT key in the measurement mode until the MNT lamp lights up. The instrument enters the maintenance mode, and “SEt” is shown on the measurement display. Measurement stops, and the instrument enter a state of hold. 3.
4 Measurement 5. Press the ENT key. The compensation coefficient is updated. Now the adjustment for the compensation coefficient of conductivity zero point has completed. Tip z To abort the calibration, press the MEAS key. The instrument will return to the calibration menu without changing calibration data. z To set another item in the calibration setting next, press the UP/DOWN key to display it. 4.3.
4 Measurement 4.4 Control value setup menu This menu allows you to change the following control-related settings while performing measurements in the measurement mode. Table 8 Contact output: setting items Display Item Select the number of data used for moving average, which is performed to display measured values. page 28 Control value Set the control value, used as the criterion for switching the relay output ON/OFF.
4 Measurement Operation 1. Press the MNT key in the measurement mode. The sub-display shows “dFct”. (The measurement display keep showing a measured value.) 2. Press the UP/DOWN key to display on the sub-display. The setting items are displayed in the order shown in Table 8. 3. Press the ENT key. Now you can change the setting. 4. Change the setting referring to the instruction page of the selected item. Tip If you do not operate any keys for 10 seconds during item selection (step 2.
4 Measurement 4.5 Security menu This menu allows you two functions: Key lock, to prevent accidental operation; and password lock, to prevent illegal operation. 4.5.1 Key lock This function prevents accidental key operation, which may cause unintended setting change or hold output. Set up 1. Hold down the MEAS key in the measurement mode displayed until “Lock” on the measurement display and “on” on the sub-display respectively. The key lock displayed function starts working.
4 Measurement 4.5.2 Password locking This function prevents illegal operation by unauthorized persons using the preset first and second passwords. Each password is a 4-digit number. When the password lock is enabled, the instrument performs measurement and rejects any key operations except for password lock setup (mentioned below). You can enable/disable the lock only by following the procedure described below.
4 Measurement Password Operation 1. Hold down the UP key and DOWN keys at the same time in the measurement mode until “PASS” is shown on the main display. When you release the buttons, the measurement display shows “PAS1”, and the subdisplay shows “0000” with the leftmost digit blinking. You can change the value of the blinking digit. Tip To cancel the whole password setting and return to the measurement mode, press the MEAS key with a digit blinking. 2.
4 Measurement 4.6 User check menu The user check menu allow you to check the instrument status, and to reset it to the default. Operate it from the user check menu. How to open the user check menu Start the operation it from the measurement mode. 1. Hold down the MNT key until the MNT lamp lights up. The instrument enters the maintenance mode, and “SEt” is shown on the measurement display. 2. Press the DOWN key to display “USr” on the measurement display, and then press the ENT key.
4 Measurement Relay operation Check the operations of contact outputs R1 and R2. Checking the contact output R1 1. Press the UP/DOWN key to display “rLY” on the sub-display. 2. Press the ENT key. “rLY1” is shown on the measurement display and “rLY” on the sub-display. 3. Press the ENT key. The relay lamp R1 lights up and the relay is turned on, normally. Press the ENT key to switch the relay ON/OFF to check the operation. 4. Press the MEAS key. The instrument returns to the user check menu entrance.
5 For More Accurate Measurements 5 For More Accurate Measurements This is the maintenance information to keep the precision of this instrument and to use it better. This chapter explains the maintenance to keep the precision of the instrument such as daily calibration. 5.1 Daily calibration (calibration mode) Here we explain how to perform daily calibration. Precautions for calibration z Do not reuse standard solution.
6 Troubleshooting 6 Troubleshooting 6.1 Troubleshooting Problems Causes or possibilities z Bubbles stick to the sensor. Remedies z Do not allow bubbles to appear in the measurement liquid. z Control the flow rate. too fast. z The level of the measuring solution has z Install the instrument in a way that the level of changed, and thus the area of the sensor the measuring solution does not change. that contact with liquid has changed.
6 Troubleshooting 6.2 Out of the measurement range When the measured value has exceeded the predefined measurement range, the sub-display shows “oF” with blinking. If that happens, follow the instructions given below. Code oF (out of the measurement range) Causes or possibilities Remedies The sensor is not soaked into the sample liquid. Set the sensor in a way that it may be soaked in the sample liquid even if the level of the sample liquid changes. The protective cap of the sensor is placed on.
6 Troubleshooting 6.3 Error code The instrument is equipped with the function to display various error codes. Error codes are shown on the sub-display in a blinking state. 6.3.1 Description of error codes Error code Error Description Occurrence E-21 FAIL Temperature sensor disconnected The lead of the temperature sensor is broken. E-22 FAIL Temperature sensor shortcircuited The lead of the temperature sensor has been shortcircuited.
6 Troubleshooting 6.3.2 Remedies for error codes When an error code is displayed, take necessary actions in accordance with the table below. Error code E-21 (Temperature sensor disconnected) Causes or possibilities Resistance error between T and T of the sensor.
7 Parts list 7 Parts list 7.1 Options Part names Lead Models Specifications ESD -001L-S Cell constant (0.01/cm) Wetted material (SUS316) Lead length (10 m) 9110300100 ESD -01L-S Cell constant (0.1/cm) Wetted material (SUS316) Lead length (10 m) 9110301000 Cell constant (1.0/cm) Wetted material (SUS316) Lead length (10 m) 9110310000 Cell constant (0.01/cm) Wetted material (SUS316) 9110500100 Cell constant (0.1/cm) Wetted material (SUS316) 9110501000 ESD -1C-S Cell constant (1.
7 Parts list Part names Models Specifications EFA-30 Wetted material (PVC) Measured solution temperature (0°C to 50°C) Measured solution pressure (0 MPa to 0.1 MPa) EFA-30P Wetted material (PVDF) Measured solution temperature 9110101900 (0°C to 100°C) Measured solution pressure (0 MPa to 0.1 MPa) ESD sensor (for short cells) EFA-30S EFA-31 Wetted material (PVC) Measured solution temperature 9110102100 (0°C to 50°C) Measured solution pressure (0 MPa to 0.
http://www.horiba-adt.jp Headquarters 31 Miyanonishi-cho Kisshoin Minami-ku, Kyoto-shi, 601-8306 TEL:+81-75-321-7184 FAX:+81-75-321-7291 Tokyo Office Arute-Build Higashikanda. 4F, Higashikanda 1-7-8, Chiyoda-ku, Tokyo 101-0031 TEL:+81-3-3851-3150 FAX:+81-3-3851-3140 Nagoya Office Sumitomo Seimei Chigusa Dai-ni Building 6F 3-15-31, Aoi Higashi-ku, Nagoya-shi, 461-0004 TEL:+81-52-937-0812 FAX:+81-52-937-0675 CODE:M500772A(I1002576000A) Ver.1 July, 2005 © 2005 HORIBA Advanced Techno, Co., Ltd.
