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LAQUA -EC1100 Instruction Manual

Benchtop conductivity meter
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Benchtop Conductivity Meter
LAQUA-EC1100
Instruction Manual
CODE:GZ0000427794

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Summary of Contents for LAQUA LAQUA-EC1100

  • Page 1 Benchtop Conductivity Meter LAQUA-EC1100 Instruction Manual CODE:GZ0000427794...
  • Page 2 Preface This manual describes the operation of the Benchtop Conductivity Meter LAQUA- EC1100. Be sure to read this manual before using the product to ensure proper and safe operation of the product. Also safely store the manual so it is readily available whenever necessary.
  • Page 3 Check items Items in package ■ After opening the package, check for damage on the instrument and that the standard accessories (see below) all exist. If damage or defects are found on the product, contact your dealer. Instrument Instruction manual (this book) USA Europe U.K.
  • Page 4 Regulations ■ EU regulations ●Conformable standards This equipment conforms to the following standards: EMC: EN61326-1 Class B, Basic electromagnetic environment Safety: EN61010-1 RoHS: EN50581 9. Monitoring and control instruments Warning: This product is not intended for use in industrial environments. In an industrial environment, electromagnetic environmental effects may cause the incorrect performance of the product in which case the user may be required to take adequate measures.
  • Page 5 Regulations ■ FCC rules Any changes or modifications not expressly approved by the party responsible for compliance shall void the user's authority to operate the equipment. ●WARNING This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.

  • Page 6: Hazard Classification And Warning Symbols

    For your safety Hazard classification and warning symbols ■ Warning messages are described in the following manner. Read the messages and follow the instructions carefully. ●Hazard classification This indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. This is to be limited to the most extreme situations.

  • Page 7: Safety Precautions

    For your safety Safety precautions ■ This section provides precautions for using the product safely and correctly and to prevent injury and damage. The terms of DANGER, WARNING, and CAUTION indicate the degree of imminency and hazardous situation. Read the precautions carefully as it contains important safety messages.

  • Page 8: Product Handling Information

    For your safety Product handling information ■ ●Operational precautions ・Only use the product including accessories for their intended purpose. ・Do not drop, crash, or give any physical impact on the instrument. ・Do not immerse the instrument into alcohol, organic solvent, strong acid, strong alkaline, or the like.
  • Page 9 For your safety ●Disposal ・Standard solution used for the calibration must be under neutralized before the disposal. ・When disposing of the product, follow the related laws and/or regulations of your country for disposal of the product. VIII...

  • Page 10: Description In This Manual

    Manual information Description in this manual ■ Note This interprets the necessary points for correct operation and notifies the important points for handling the product. Reference This indicates the part where to refer for information. This indicates reference information.

  • Page 11: Table Of Contents

    Contents Preface ................... I ■ Items in package..............II ■ Hazard classification and warning symbols ....V ■ Safety precautions............. VI ■ Product handling information ......... VII ■ Description in this manual..........IX Part names and basic operation......... 1 ■ Names of each part..............2 ●...
  • Page 12 Contents ● Printing measured values in the measurement mode...30 Using various functions ............ 31 ■ Data functions..............32 ● Displaying saved data ..............32 ● Deleting all saved data .............33 ■ Measurement settings............34 ● Displaying the latest calibration data........34 ● Changing the calibration method ..........35 ●...
  • Page 13 Contents ■ When an error message appears ........53 ● ERROR No.0001 　 Memory error ..........53 ● ERROR No.0006 　 Maximum calibration points exceeded ... 53 ● ERROR No.0009 　 Printer error ..........54 ● ERROR No.0010 　 Memory full ..........54 ●...

  • Page 14: Part Names And Basic Operation

    Part names and basic operation This section describes the name of each part and the main role, function, and basic operation method of each part. ■ Names of each part..............2 ● Instrument....................2 ● Display....................4 ● Operation key ..................5 ■...

  • Page 15: Names Of Each Part

    Names of each part Names of each part ■ ● Instrument Display Electrode stand Operation key CH2 measurement electrode (G) connector CH2 temperature electrode (T) jack AC adapter jack Printer or RS-232C connector Connector for USB communication with a PC...
  • Page 16 Names of each part • Identification of manufacturing date Manufacturing date can be identified from MFG No. described in the ID label on the backside of the instrument. Third number from the left in the MFG No. indicates manufacturing year. Forth alphabet from the left in the MFG No.

  • Page 17: Display

    Names of each part ● Display Electrode status icon Printer connecting icon Data memory icon Status icon Error No., USB icon Data No., Date Temperature HOLD indicator Measurement parameters Measurement Calibration unit points...

  • Page 18: Operation Key

    Names of each part ● Operation key This instrument employs capacitance switches. You can not operate them with thick gloves. Operate them with bare hands or thin rubber gloves. Name Function Enters the calibration mode. CAL key Performs the calibration. Enters the measurement mode.

  • Page 19: Basic Operation

    Basic operation Basic operation ■ ● Function layer The function layer of the data mode and setting mode is shown as below. "dX" and "PXX" indicates the program number which is shown in the screen of the instrument. • Data mode Screen Layer Description...
  • Page 20 Basic operation • Setting mode Screen Layer Description P1: COND Conductivity measurement settings P11: CELL Cell constant setting P12: UNIT Selection of unit: S/cm, S/m, mS/cm FIX P13: CAL.DAT Calibration data display P14: AT. CAL Selection of auto calibration, manual calibration P15: CAL.CLR Deletion of calibration data P16: TC...

  • Page 21: Changing The Operation Mode

    Basic operation ● Changing the operation mode Change the operation mode from four available modes depending on the purpose of use. The status icon indicates the current mode. You can change the operation mode using the corresponding key. However changing to the calibration mode, data mode, or setting mode is possible only from the measurement mode.

  • Page 22: Changing The Measurement Parameter

    Basic operation ● Changing the measurement parameter This instrument measures multiple parameters. In the measurement mode, the measurement parameter can be changed by pressing the key. ● Entering numeric values When entering numeric values to make various settings and set a calibration value, change the selected digit using the keys and increment or decrement the value (0 to 9) using the...

  • Page 23: Saving Measurement Data In The Internal Memory

    Basic operation ● Saving measurement data in the internal memory Up to 500 data items measured by the instrument can be stored in the internal memory. Saving the measurement data is possible only when the instrument is in the measurement mode. 1.

  • Page 24: Measurement

    Measurement This section describes the basic method of measurement of each measurement parameters. ■ Preparation ................. 12 ● Confirmation before starting measurement ........12 ● Turning ON the instrument..............13 ● Connecting an electrode ..............14 ■ Conductivity measurement............15 ●...

  • Page 25: Preparation

    Preparation Preparation ■ ● Confirmation before starting measurement ・ Have you prepared the appropriate electrode for the measurement parameter? ⇒ If not, purchase the appropriate electrode. ・ Is the prepared electrode in good condition? ⇒ If the responsive part is stained or damaged, it may not be possible to obtain 　...

  • Page 26: Turning On The Instrument

    Preparation ● Turning ON the instrument Perform the following procedure to connect AC adapter to the instrument. 1. Insert the AC adapter cable by fitting with the AC adapter jack. 2. Insert the AC adapter into the electrical socket. AC adapter jack 3.

  • Page 27: Connecting An Electrode

    Preparation ● Connecting an electrode To perform measurement, it is necessary to use the appropriate electrode for measurement parameters. Recommended electrodes for each measured sample are listed in our product catalog and on our website. Refer to them when preparing electrodes.

  • Page 28: Conductivity Measurement

    Conductivity measurement Conductivity measurement ■ The conductivity cell can be used to measure the conductivity, salinity, TDS, and resistivity of a sample. Salinity, TDS, and resistivity are calculated from the measured conductivity value. Press the key to select the measurement parameter (refer to “ Changing the measurement parameter ”...

  • Page 29: Setting The Instrument

    Conductivity measurement ● Setting the instrument • Setting the temperature display When a conductivity cell with a temperature sensor is used, or a conductivity cell without a temperature sensor is used with a temperature electrode, the automatic temperature measurement function can be used. During measurement, the temperature sensor measures the temperature of the sample and displays the result on the instrument.
  • Page 30 Conductivity measurement • Setting the conductivity unit (default: S/cm) Select the conductivity unit from three options, S/cm, S/m, mS/cm FIX (fixed at mS/cm) depending on your application. When measuring resistivity, these units correspond to Ω·cm, Ω·m, Ω·cm (for mS/cm FIX). 1.
  • Page 31 Conductivity measurement • Setting the salinity unit (default: PPT) Select the salinity unit from % or PPT depending on your application. 1. Press the key to enter the setting mode. 2. Press the keys to select "SALT" (salinity setting) and then press the key.
  • Page 32 Conductivity measurement • Setting the cell constant (default: 1.000×1.0 cm A cell constant is unique for each conductivity cell. To measure conductivity correctly, the cell constant of the conductivity cell must be set in the instrument. 1. Press the key to enter the setting mode. 2.
  • Page 33 Conductivity measurement 5. Press the keys to enter the cell constant value of the conductivity cell and then press the key to confirm. Enter a number To return to the measurement mode, press the key. Note ・The unit used for the cell constant corresponds the unit set in “ Setting the conductivity unit (default: S/cm) ”...
  • Page 34 Conductivity measurement • Setting the temperature conversion (Default: ON, 2.00%/°C) The measured value of a sample that is not at 25°C can be converted to a value at the selected temperature. To use the temperature conversion function correctly, temperature coefficient (the rate of change per 1°C of the conductivity) must be set for each sample. The setting of “...
  • Page 35 Conductivity measurement • Setting the reference temperature (Default: 25°C) Temperature to be converted can be selected from 15°C to 30°C. 1. Press the key to enter the setting mode. 2. Press the keys to select "COND" (conductivity setting) and then press the key.
  • Page 36 Conductivity measurement • Setting the TDS method TDS is calculated from the measured conductivity value. The available calibration methods are "Linear": KCl with factor adjustable from 0.40 to 1.00 (default: 0.50), "442": Myron L 442 non-linear standard curve, "En": European environmental standard non- linear curve, and "NaCl": non-linear salinity curve.
  • Page 37 Conductivity measurement 4. Press the keys to select the TDS method and then press the key. 5. When selecting "Linear," enter the factor and then press the key to confirm. Selected "Linear" and press the Enter a number To return to the measurement mode, press the key.
  • Page 38 Conductivity measurement • Setting the salinity method Salinity is calculated from the measured conductivity value. The available calibration methods are "NaCl" and "SEA WATER". 1. Press the key to enter the setting mode. 2. Press the keys to select "SALT" (salinity setting) and then press the key.

  • Page 39: Performing Conductivity Calibration

    Conductivity measurement ● Performing conductivity calibration The factory-certified cell constant is indicated on the label on the electrical conductivity cell. Cell constant may change depending on the usage condition. In such case, the conductivity cell can be calibrate automatically or manually. You can select calibration method.
  • Page 40 Conductivity measurement • Manual calibration 1. Clean the conductivity cell with pure water (or deionized water) and wipe it with filter paper or tissue paper. Do not touch the black electrode part. Refer to the instruction manual of the conductivity cell for how to clean the conductivity cell.
  • Page 41 Conductivity measurement Note The calibration for TDS, salinity, and resistivity is performed with the result of the calibration of conductivity. When pressing the key to enter the calibration mode for TDS, salinity, and resistivity, "CAL in COND" is displayed. It indicates that performing conductivity calibration is recommended.

  • Page 42: Performing Measurement

    Conductivity measurement ● Performing measurement Immerse the conductivity cell in a sample to perform measurement. The auto stability mode and the auto hold mode are available to judge the stability of the measurement value. For details of settings, refer to “ Setting the auto stability and the auto hold function ” (page 39).

  • Page 43: Saving Measured Values

    Conductivity measurement ● Saving measured values To save the measurement data, press the key in the screen that you want to save. For details, refer to “ Saving measurement data in the internal memory ” (page 10). ● Printing measured values in the measurement mode To print the measurement data, press the key in the screen that you want to print.

  • Page 44: Using Various Functions

    Using various functions This section describes functions available in this instrument. ■ Data functions............32 ● Displaying saved data................. 32 ● Deleting all saved data................ 33 ■ Measurement settings..........34 ● Displaying the latest calibration data ..........34 ● Changing the calibration method ............35 ●...

  • Page 45: Data Functions

    Data functions Data functions ■ ● Displaying saved data You can display the data saved in the internal memory. 1. Press the key to enter the data mode. 2. Press the keys to select "DAT.OUT" (display saved data) and then press key.

  • Page 46: Deleting All Saved Data

    Data functions ● Deleting all saved data Delete all data saved in the internal memory. Data cannot be deleted selectively. Copy or transfer the data to a PC for storage if necessary. 1. Press the key to enter the data mode. 2.

  • Page 47: Measurement Settings

    Measurement settings Measurement settings ■ ● Displaying the latest calibration data You can display the latest calibration data. 1. Press the key to enter the setting mode. 2. Press the keys to select "COND" (conductivity setting) and then press the key.

  • Page 48: Changing The Calibration Method

    Measurement settings ● Changing the calibration method Select automatic calibration or manual calibration for the calibration method. 1. Press the key to enter the setting mode. 2. Press the keys to select "COND" (conductivity setting) and then press the key. 3.

  • Page 49: Deleting Calibration Data

    Measurement settings ● Deleting calibration data Delete the calibration data set in the instrument. 1. Press the key to enter the setting mode. 2. Press the keys to select "COND" (conductivity setting) and then press the key. 3. Press the keys to select "CAL.CLR"...
  • Page 50 Measurement settings 4. Select "YES" to delete the calibration data, or select "NO" to cancel deleting it. And then press the key. When "YES" is selected and the key is pressed, "END" appears after delete is complete. Selected "YES" and press the To return to the measurement mode, press the key.

  • Page 51: Temperature Setting

    Temperature setting Temperature setting ■ ● Calibrating temperature sensor The temperature sensor or temperature compensation electrode in the combination electrode has ±1°C accuracy without calibration. You can use a known temperature solution to calibrate the temperature sensor. 1. Insert the temperature connector into the jack of the CH2 temperature electrode (T).

  • Page 52: General Settings

    General settings General settings ■ ● Setting the auto stability and the auto hold function This instrument has the auto stability mode and the auto hold mode. • Auto stability mode (displayed as AS) When the criterion for stability judgment is fulfilled during measurement, the component icon lights and the measured value is fixed.
  • Page 53 General settings 4. Select "AS" to set the automatic stability, or select "AH" to set the automatic hold. And then press the key to confirm. (Ex.: "AS" is selected) To return to the measurement mode, press the key. Note In the calibration mode, the auto stability mode always works. The stability judgment criteria is the same for both the auto stability mode and the auto hold mode.

  • Page 54: Resetting To Factory Default Settings

    General settings ● Resetting to factory default settings The instrument settings can be reset to the factory default settings. The calibration data and the saved data are deleted. Make sure there will be no problems before using this function. When this function is used, the temperature calibration data is also initialized. 1.

  • Page 55: Performing Test Printing Of The Printer Unit

    General settings ● Performing test printing of the printer unit In order to check whether the printer unit is operating correctly or there is a printer communication problem, you can perform test printing. Connect the instrument and a printer correctly and perform the following procedure for test printing.

  • Page 56: Setting Automatic Print

    General settings ● Setting automatic print When a printer is connected, you can enable automatic printing. When the setting is ON, printing is executed automatically under the following conditions. ・ When data is saved during measurement ・ When calibration is completed in the calibration screen 1.

  • Page 57: Setting Password

    General settings ● Setting password Operation of the others can be prevented by setting password. 1. Press the key to enter the setting mode. 2. Press the keys to select "GEN" (general setting) and then press the key.
  • Page 58 General settings 3. Press the keys to select "PASS" (password) and then press the key. 4. Select "ON" to use the function, or "OFF" to not use the function, and then press the key. 5. When selected "ON", enter a 4-digit number and press the key to confirm.

  • Page 59: Other Settings

    Other settings Other settings ■ ● Printing measured values and calibration data Print out the measured value or the calibrated value displayed on the instrument, or the measurement data or the calibration data saved in the instrument. If the repeatability is inspected, the inspection data is printed out with the calibration data.
  • Page 60 Not hold value: INST Temperature value (outside the display Temperature ： 25.5°C ATC range: "Ur" or "Or") and temperature setting Instrument model Inst. model ： LAQUA-EC1100 Instrument serial number Inst. SN ： KL1TSE02 Cell constant CELL ： R1 (0.00-19.99 μS/cm)
  • Page 61 Other settings < Calibration data > Printout format Description Instrument model Inst. model ： LAQUA-EC1100 Instrument serial number Inst. SN ： KL1TSE02 Cell constant CELL ： R1 (0.00-19.99 μS/cm) Measurement range (range 1) Cell constant (range 1) 1.000×1 cm R2 (18.0-199.9 μS/cm)

  • Page 62: Transferring Saved Data To A Pc

    Other settings ● Transferring saved data to a PC By using a serial cable or USB cable to connect the instrument to a PC, you can transfer the saved data to the PC and edit it. Connect the RS-232C connector at the instrument side to the serial port on the PC or connect the USB connector at the instrument side to the USB port on the PC.

  • Page 63: Operating The Instrument From An External Device

    Other settings ● Operating the instrument from an external device You can remotely operate the instrument from an external device (such as PC) via RS- 232C communication or USB communication. Use a serial cable or a USB cable to connect the serial connector or the USB connector on the instrument and the serial port or the USB port on the PC.

  • Page 64: Maintenance

    Contact for maintenance Maintenance This section describes maintenance of the instrument and the electrodes that are used with the instrument. To use them for a long period, perform the described maintenance procedures appropriately. ● Contact for maintenance Please contact your dealer for the product maintenance. ●...

  • Page 65: Maintenance And Storage Of The Conductivity Cell

    Maintenance and storage of the conductivity cell ● Maintenance and storage of the conductivity cell For the detailed procedures for maintaining and storing cells, refer to the instruction manual for each cells. This section describes an overview of the procedures for maintenance and storage to be performed as part of daily use.

  • Page 66: How To Resolve Errors Or Troubles

    When an error message appears How to resolve errors or troubles This section describes the causes of typical problems and the actions to be taken, including questions frequently asked by customers. Check these before contacting us. When an error message appears ■...

  • Page 67: Error No.0009 　 Printer Error

    When an error message appears ● ERROR No.0009 　 Printer error An error occurred during printer communication. Cause How to solve problem There is a problem with the Check the printer connection, and connect the instrument printer unit connection. and printer again. The defect of the printer Consult your dealer.

  • Page 68: Troubleshooting

    Troubleshooting Troubleshooting ■ This section describes causes and actions to take for problems that customers frequently ask us. ● The indicated value fluctuates < Problem with the electrode > Cause How to solve problem The conductivity cell is dirty. Clean the conductivity cell. The conductivity cell is broken.

  • Page 69: The Indicated Value Does Not Change/No Response

    Troubleshooting ● The indicated value does not change/No response Cause How to solve problem The conductivity cell is broken. Replace the conductivity cell. The conductivity cell is not Connect the conductivity cell correctly. connected correctly. The instrument is in HOLD state. Cancel the HOLD state. Instrument defect Consult your dealer.

  • Page 70: Nothing Appears When The Power Is Turned On

    Troubleshooting ● Nothing appears when the power is turned ON Cause How to solve problem Power is not supplied. Connect the AC adapter. Instrument defect Consult your dealer. ● Part of the display is missing Cause How to solve problem Check the display in full screen state when turning ON Instrument defect the power of the instrument.

  • Page 71: Appendix

    Options for the instrument are also described. Main specifications ■ Item Contents Model LAQUA-EC1100 Measurement Conductivity, salinity, TDS, resistivity, temperature parameters Operating ambient 0°C to 45°C temperature, humidity 80% or less in relative humidity (no condensation)

  • Page 72: Main Specifications

    Main specifications Measurement Item Description parameter Measuring principle Conversion from conductivity value Measuring range 0.00 mg/L to 100 g/L (Display range) Accuracy ±0.1% of full scale Resolution 0.01 mg/L Measuring principle Conversion from conductivity value Cell constant 1 cm : 0.000 kΩ·cm to 20.00 MΩ·cm Measuring range Cell constant 0.1 cm : 0.00 kΩ·cm to 200.0 MΩ·cm...
  • Page 73 Main specifications ● Table of conductivity cell range ・ Unit: S/m Cell constant Range 1000 m 100 m 10 m 20.0 to 200.0 S/m 2.00 to 19.99 S/m 0.200 to 1.999 S/m 20.0 to 199.9 mS/m 2.00 (0.00) to 19.99 mS/m 0.200 (0.000) to 1.999 mS/m 0.0 to 199.9 µS/m ・...

  • Page 74: Table Of Conductivity Cell Range

    Functions ● Table of conductivity cell range (resistivity range) ・ Unit: Ω·m Cell constant Range 10 m 100 m 1000 m 0.200 to 2.000 MΩ·m 20.0 to 199.9 kΩ·m 2.00 to 19.99 kΩ·m 0.200 to 1.999 kΩ·m 20.0 （0.0） to 199.9 Ω·m 2.00 （0.00）...

  • Page 75: Table Of Conductivity Cell Range (Resistivity Range)

    Instrument default settings Instrument default settings ■ Measurement Selection item/Setting Item Default values range parameter Auto hold AS/AH Temperature input value 0.0°C to 100.0°C 25.0°C Common Auto power off time 30 min 0 min to 30 min * Auto data memory time 0, 2 s to 3600 s * 0.700 to 1.300 1.000...

  • Page 76: Technical Note

    Technical note Technical note ■ ● Conductivity standard values at various temperatures Conductivity value at 25°C Temp. (°C) 84.00 (S/cm) 1413 (S/cm) 12.88 (mS/cm) 111.8 (mS/cm) 64.01 7.15 65.4 65.00 8.22 74.1 67.00 1020 9.33 83.2 68.00 1147 10.48 92.5 70.00 1173 10.72...

  • Page 77: Options

    Options Options ■ A wide variety of electrodes and options are available for use with the instrument. You can select the optimum electrode and options for your application and objectives. These options can be purchased from your nearest agency. Please provide the part name and part number to the representative.

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