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pH measurement

4. Press the

keys to select "USA", "NIST", or "CUST" according to the

standard solution to be used and then press the

key to confirm selection.

To return to the measurement mode, press the

key.

• Standard solution type

Standard solution type

Description

USA

(USA specification)

Set to use the standard solution of the USA specification.

Standard solution icon

1.68

4.01

7.00

10.01

12.45

NIST

(NIST specification)

Set to use the standard solution of the NIST specification.

Standard solution icon

1.68

4.01

6.86

9.18

12.45

CUST

（

custom specification

）

Set to use the standard solution of an optional specification.

Standard solution icon

key

Select "USA"

and press the

key

(Ex.: "USA" is selected)

Содержание LAQUAact-PC110

Страница 1: ...Handheld pH ORP Conductivity Meter LAQUAact PC110 Instruction Manual CODE GZ0000427799 ...

Страница 2: ......

Страница 3: ...o improper operation Any malfunction attributable to repair or modification by any person not authorized by HORIBA Ltd Any malfunction or damage attributable to the use in an environment not specified in this manual Any malfunction or damage attributable to violation of the instructions in this manual or operations in the manner not specified in this manual Any malfunction or damage attributable t...

Страница 4: ... case it satisfies the requirements of the Directive 2006 66 EC for the object chemical This product should not be disposed of as unsorted household waste Your correct disposal of WEEE waste batteries and accumulators will contribute to reducing wasteful consumption of natural resources and protecting human health and the environment from potential negative effects caused by hazardous substance in...

Страница 5: ...to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interf...

Страница 6: ... result in death or serious injury This is to be limited to the most extreme situations This indicates a potentially hazardous situation which if not avoided could result in death or serious injury 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 Description of what should be done or w...

Страница 7: ...Do not disassemble or modify the instrument Otherwise it may heat up or be ignited resulting in a fire or an accident CAUTION Harmful chemicals The internal solution of pH electrode is highly concentrated potassium chloride 3 33 mol L KCl If the internal solution comes in contact with the skin wash it off immediately If it gets into the eyes flush with plenty of water and then consult a doctor Bro...

Страница 8: ...nto the eyes do not rub the eyes rinse with clean water immediately and then consult a doctor Contact with alkaline fluid could cause blindness Do not put batteries in a fire expose to heat disassemble or remodel Doing so could case fluid leakage overheating or explosion CAUTION Do not remove or scratch the external label of the battery Doing so could cause injury to hands and fingers ...

Страница 9: ...ust proof and waterproof performance is maintained only when the covers are attached correctly After replacing the batteries with an AC adapter or a serial cable connected make sure that the waterproof packing attached to each cover is not deformed or discolored or has foreign matter adhering to it If the waterproof packing is deformed discolored or has foreign matter adhering to it or dust could ...

Страница 10: ... not attempt to charge a non rechargeable battery Environmental conditions for use and storage Temperature 0 C to 45 C Humidity under 80 in relative humidity and free from condensation Avoid the following conditions Strong vibration Direct sunlight Corrosive gas environment Close to an air conditioner Direct wind Transportation When transporting the instrument repackage it in the original package ...

Страница 11: ...his manual This interprets the necessary points for correct operation and notifies the important points for handling the product This indicates the part where to refer for information This indicates reference information Note Reference Tip ...

Страница 12: ...X M E M O ...

Страница 13: ... operation 7 Function layer 7 Changing the operation mode 11 Switching the displays 12 Changing the measurement parameter 13 Using the backlight 14 Entering numeric values 15 Saving measurement data in the internal memory 16 Measurement 17 Preparation 18 Confirmation before starting measurement 18 Turning ON the instrument 19 Connecting an electrode 22 pH measurement 23 Setting the instrument 23 P...

Страница 14: ...d data 64 Using the automatic data save 65 Deleting all saved data 68 Measurement setting 70 Displaying the latest calibration and inspection data 70 Changing the calibration method 73 Using the calibration interval alarm default OFF 74 Deleting calibration data 75 Temperature settings 77 Calibrating temperature sensor 77 General settings 79 Setting the auto stability and auto hold function 79 Cha...

Страница 15: ... and storage of the conductivity cell 99 How to resolve errors or troubles 101 When an error message appears 101 ERR No 0001 Memory error 101 ERR No 0002 Empty battery level 102 ERR No 0004 Asymmetric potential error 102 ERR No 0005 Electrode sensitivity error 103 ERR No 0006 Maximum calibration points exceeded 103 ERR No 0007 Cannot identify standard solution 103 ERR No 0008 Calibration interval ...

Страница 16: ...elling of operation key sheet 108 Part of the display is missing 108 Appendix 109 Main specifications 109 Table of conductivity cell range 111 Table of conductivity cell range resistivity range 112 Instrument default settings 113 Technical note 114 pH standard solutions at various temperatures 114 Conductivity standard values at various temperatures 115 Options 116 ...

Страница 17: ...peration method of each part Names of each part 2 Instrument 2 Display 4 Operation key 6 Basic operation 7 Function layer 7 Changing the operation mode 11 Switching the displays 12 Changing the measurement parameter 13 Using the backlight 14 Entering numeric values 15 Saving measurement data in the internal memory 16 ...

Страница 18: ...onnects the BNC connector of the electrode 4 Temperature connector T Connects the temperature connector T of the electrode 5 Battery cover Set batteries inside 6 Electrode hook attachment section Attach the electrode hook to carry with instrument 7 Strap attachment section Attach a strap 8 Serial connector Connects the serial cable and printer cable 9 AC adapter jack Connects an optional AC adapte...

Страница 19: ...the instrument Third number from the left in the MFG No indicates manufacturing year Forth alphabet from the left in the MFG No indicates manufacturing month The alphabet is assigned to month according to the table below Ex ID AA6A0000 means the device manufactured in 2016 January JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC A B C D E F G H J K L M ...

Страница 20: ...or No 5 Data No icon Displays the data No 6 Measurement parameter display area Displays the currently set measurement parameter This is displayed in the main screen and the sub screen respectively 7 Main screen channel icon Displays the channel of the main screen 8 HOLD icon Lights when the measured value display is fixed in auto hold mode This is displayed in the main screen and the sub screen re...

Страница 21: ... conductivity standard solution the corresponding icon lights 14 Unit display area Displays the unit for the measurement parameter and the display item This is displayed in the main screen and the sub screen respectively No Name Function Battery level is high Battery level is a little lower Battery level is low The backlight may become unavailable Battery has run out Replace the batteries or use A...

Страница 22: ...de to the setting mode Starts repeatability inspection after calibration is complete POWER key Turns ON OFF the power of instrument MODE key In the measurement mode changes measurement parameters LIGHT key Turns on off the backlight ENTER key Determines the selection or setting Prints data in measurement the calibration and data mode UP key In the measurement mode switches the display between the ...

Страница 23: ...he 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 d1 DATA OUT Saved data display d2 AUT LOG Automatic data save setting d3 DATA CLR Deletion of saved data ...

Страница 24: ...13 CAL ALR Calibration alarm setting 1 day to 400 days P14 CAL CLR Deletion of calibration data P2 TEMP Temperature setting Selection of temperature conversion or display ATC MTC P3 GEN General settings P31 MEAS Selection of auto hold type auto stability auto hold P32 AUTO OFF Automatic power off setting 0 min to 30 min P33 RESET Initialization of settings P34 DATE Date and time setting P35 PRINT ...

Страница 25: ...P15 CAL CLR Deletion of calibration data P16 TEMP CF Temperature conversion setting 0 00 C to 10 00 C P17 TEMP REF Reference temperature setting 15 C to 30 C P2 TDS TDS measurement settings P21 TDS TYPE Selection of TDS calculation method Linear 442 En27888 NaCl P3 SALT Salinity measurement settings P31 UNIT Selection of unit ppt P32 SALT TYP Selection of salinity calculation method NaCl Sea water...

Страница 26: ...tings P51 MEAS Selection of auto hold type auto stability auto hold P52 AUTO OFF Automatic power off setting 0 min to 30 min P53 RESET Initialization of settings P54 DATE Date and time setting P55 PRINT Test print Screen Layer Description ...

Страница 27: ...de data mode or setting mode is possible only from the measurement mode When changing to a different mode first change to the measurement mode and then change to the desired mode Icon Name Function Measurement mode Performs measurement Calibration mode Performs calibration Data mode Performs data settings Displays the saved data Setting mode Performs various settings Status icon key key key or key...

Страница 28: ...e main screen and the sub screen In the measurement mode pressing the keys can switch the channels between the main screen and the sub screen When performing calibration or setting switch the display to show the desired channel measurement parameter on the main screen key ...

Страница 29: ...rameters For measurement an electrode corresponding to the measurement parameter is required In the measurement mode the measurement parameter can be changed by pressing the key This operation is available for the channel that is shown on the main screen Channel 1 Channel 2 key key key key key ...

Страница 30: ...backlight by pressing the key If the backlight is not operated for 5 minutes it automatically turns off To turn it off manually press the key again while the backlight is on Note Turning on the backlight consumes energy and shortens battery life The backlight becomes unavailable when the battery level becomes low key ...

Страница 31: ... 15 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 keys key key ...

Страница 32: ...e instrument is in the measurement mode 1 Press the key while the data to save is displayed The saved data is displayed for two seconds and then the display returns to the previous screen automatically Note If the data saved reaches 1000 data items an error occurs and ERR No 0010 is displayed Copy or transfer necessary data to a PC and delete the data from the memory Deleting all saved data page 6...

Страница 33: ...lectrode 22 pH measurement 23 Setting the instrument 23 Performing calibration 27 Performing measurement 35 Saving measured value 36 mV ORP measurement 37 Switching between absolute value and relative value 37 Performing measurement 38 Saving measured value 39 Conductivity measurement 40 Setting the instrument 41 Performing conductivity calibration 57 Performing measurement 61 Saving measured valu...

Страница 34: ... solution for the measurement parameter If not prepare the standard solution according to your applications Are there any items that should not be wet or stained around the instrument Depending on the operation during measurement items around the instrument could get wet or stained Secure sufficient space around the instrument and perform measurement while always paying attention to safety Are the...

Страница 35: ...on the battery cover on the back of the instrument clockwise to lock the battery cover Note Do not replace the batteries in a dusty place or with wet hands Dust or moisture could get inside the instrument possibly causing instrument malfunction Do not short circuit a battery Set the and side of the battery correctly When the battery has run out or the instrument will not be used for a long time re...

Страница 36: ...instrument 2 Insert the AC adapter cable by fitting with the AC adapter jack of in the instrument 3 Insert AC adapter into the electrical socket Note Do not insert the cable with force when the connector does not match the jack When not using the AC adapter close the AC adapter connector cover While the AC adapter is connected the instrument does not have the dust proof and waterproof performance ...

Страница 37: ...ne second and the screen displays the version number of software and the model and then displays the measurement mode Note Do not hold down the key after the power of the instrument is turned ON Do not use the tip of nail or an object with a sharp end to press keys VER indicates the version of the software It may be revised when the software is updated key ...

Страница 38: ...e connector pin of the instrument 2 Turn the electrode connector clockwise by following the groove 3 Put the connector cover on the connector 4 When using a combination electrode equipped with a temperature sensor insert the temperature connector T into the jack of the temperature connector T Tip If the temperature connector T is unconnected or connection is wrong temperature selected for MTC manu...

Страница 39: ...rd solution setting is NIST and USA However the function does not convert the pH value according to the temperature characteristics of each sample and you must record the obtained value together with the sample temperature value The variation of pH value accompanying the temperature change differs depending on the sample If you do not use the automatic temperature compensation function match the t...

Страница 40: ...rate the temperature sensor refer to Calibrating temperature sensor page 77 3 In the case of MTC enter the temperature to be compensated for and press the key to confirm To return to the measurement mode press the key key key key key Enter a number key ...

Страница 41: ...his instrument you can choose from 3 types USA NIST and CUST the standard solution other than USA and NIST Set according to the standard solution to be used 1 Press the key to enter the setting mode 2 Press the keys to select pH pH setting and then press the key 3 Select BUF pH standard solution setting and then press the key key key ...

Страница 42: ...Description USA USA specification Set to use the standard solution of the USA specification Standard solution icon 1 68 4 01 7 00 10 01 12 45 NIST NIST specification Set to use the standard solution of the NIST specification Standard solution icon 1 68 4 01 6 86 9 18 12 45 CUST custom specification Set to use the standard solution of an optional specification Standard solution icon key key Select ...

Страница 43: ...on of USA standard pH 4 and 7 as an example of general calibration 1 Clean the pH electrode with pure water or deionized water and wipe it with filter paper or tissue paper 2 Open the internal solution filler port of the pH electrode If calibration is performed with the port closed the internal solution does not flow and the measurement value is not stable Make sure to keep the port open during ca...

Страница 44: ... 4 standard solution As with the step 3 immerse at least 3 cm from the tip of the pH electrode 7 Press the key to enter the calibration mode Stability judgment automatically starts and the pH icon blinks until the measured value stabilizes When the measured value stabilizes the pH icon changes from the blinking state to the lit state 8 Then press the key or the key Calibration to the standard solu...

Страница 45: ... solution is updated The calibration values are retained until next calibration is performed the data is deleted or buffer setting is changed For the procedure for deleting the calibration data refer to Deleting calibration data page 75 It is recommended that you should clear the previous calibration data before the calibration in order to perform more accurate calibration Check of the pH electrod...

Страница 46: ...the internal solution filler port of the pH electrode If calibration is performed with the port closed the internal solution does not flow and the measurement value is not stable Make sure to keep the port open during calibration 3 Perform the 1st point calibration Immerse at least 3 cm from the tip of the pH electrode in the pH 7 standard solution In order for the internal solution to flow into t...

Страница 47: ...pH measurement 31 6 Press the key to start inspection REP repeatability is shown and display changes to the measurement mode Stabilized key key ...

Страница 48: ... the pH electrode in standard solution In order for the internal solution to flow into the standard solution make sure to immerse the liquid junction in the standard solution surely 4 Press the key to enter the calibration mode Stability judgment automatically starts and the pH icon blinks until the measured value stabilizes When the measured value stabilizes the pH icon changes from the blinking ...

Страница 49: ...matically starts and the pH icon blinks until the measured value stabilizes When the measured value stabilizes the pH icon changes from the blinking state to the lit state 8 Enter the standard solution value for the second point and press the key or the key Calibration to the set standard solution value is performed The 2nd point calibration ends and the 2 calibration history icon lights indicatin...

Страница 50: ...leting the calibration data refer to Delet ing calibration data page 75 It is recommended that you should clear the previous calibration data before the calibration in order to perform more accurate calibration Check of the pH electrode status After calibration is complete the current pH electrode status is diagnosed from the calibration result Refer to the following table for maintenance of the e...

Страница 51: ... paper 2 Open the internal solution filler port of the pH electrode If calibration is performed with the port closed the internal solution does not flow and the measurement value is not stable Make sure to keep the port open during calibration 3 Immerse at least 3 cm from the tip of the pH electrode in the sample solution In order for the internal solution to flow into the sample solution make sur...

Страница 52: ...ability judgment in the auto hold measurement are as follows Potential variation for 10 seconds is less than 1 mV 0 015 pH equivalent and temperature variation is less than 2 0 C If the measured value is below the display range Ur under appears If the measured value is above the display range Or over appears For details on the action to take refer to The measured value is out of the measurement ra...

Страница 53: ...lue and relative value There are two types of measurement mode for the mV and ORP measurement the absolute value measurement and the relative value measurement Absolute value measurement mode The measured value of electromotive force is displayed Relative value measurement mode The measured value of electromotive force of a sample is corrected to 0 mV and set as a relative value When the electromo...

Страница 54: ... 2 Open the internal solution filler port of the electrode If calibration is performed with the port closed the internal solution does not flow and the measurement value is not stable Make sure to keep the port open during calibration 3 Immerse at least 3 cm from the tip of the electrode in the sample solution In order for the internal solution to flow into the sample solution make sure to immerse...

Страница 55: ...measured value is out of the measurement range page 107 Note that when measuring the ORP of a sample solution that has extremely low concentrations of oxidants and reductants such as tap water well water or water treated with purifying equipment there may be less responsiveness and repeatability in general If alkaline water is left its ORP value changes considerably Always measure alkaline Ion wat...

Страница 56: ...ent parameter page 13 Conductivity can be measured using channel 2 of the instrument Press the keys to set the main screen to channel 2 The basic steps are the same for all measurement parameters however some settings and operations are only valid for specific measurement parameters Select the settings and perform the steps that show the mark of the parameter you want to measure Examples Conductiv...

Страница 57: ...instrument If automatic temperature measurement function is not used or the temperature connector is not connected to the instrument the temperature set in the instrument is displayed 1 Press the key to enter the setting mode 2 Press the keys to select TEMP temperature setting and then press the key If the temperature connector T is connected ATC automatic temperature compensation appears If the t...

Страница 58: ...Conductivity measurement 42 3 In the case of MTC enter the temperature to be compensated for and press the key to confirm To return to the measurement mode press the key key key Enter a number ...

Страница 59: ...m 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 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 UNIT unit setting and then press the key key key key key ...

Страница 60: ...ctivity measurement 44 4 Press the keys to select the unit and press the key to confirm selection To return to the measurement mode press the key key key key Select S cm and press the key Ex S cm is selected ...

Страница 61: ...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 conductivity setting and then press the key 3 Press the keys to select UNIT unit setting and then press the key key key key key ...

Страница 62: ...Conductivity measurement 46 4 Press the keys to select the unit and then press the key to confirm selection To return to the measurement mode press the key key key Ex is selected ...

Страница 63: ...ivity 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 Press the keys to select COND conductivity setting and then press the key 3 Press the keys to select CELL cell constant setting and then press the key key key ...

Страница 64: ...ant of the conductivity cell and then press the key 5 Press the keys to enter the cell constant value of the conductivity cell and then press the key to confirm To return to the measurement mode press the key key key key Select 1 0 and press the key Ex 1 0 is selected key key Enter a number ...

Страница 65: ...n Setting the conductivity unit default S cm page 43 When the cell constant is changed through the cell constant setting all the previous calibration data is deleted Match the unit indicated on the conductivity cell to the unit set in the instrument 10 m 1 0 1 cm 1 100 m 1 1 cm 1 1000 m 1 10 cm 1 ...

Страница 66: ...t be set for each sample The setting of Setting the temperature display page 41 is applied to the sample temperature before the conversion 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 TEMP CF temperature conversion setting and then press the key 4 Press the keys to enter the temperature coefficient ...

Страница 67: ...e coefficient of the sample and set it in the instrument When the temperature conversion function is used with automatic temperature measurement ATC deviations may occur within the accuracy of the temperature sensor For more accurate measurement set the temperature setting to manual temperature display MTC and measure using a temperature controlled bath ...

Страница 68: ... 2 Press the keys to select COND conductivity setting and then press the key 3 Press the keys to select TEMP REF reference temperature setting and then press the key 4 Press the keys to enter the reference temperature and then press the key to confirm Temperature can be selected from 15 C to 30 C To return to the measurement mode press the key key key key key Enter a number key ...

Страница 69: ...rom 0 4 to 1 0 default 0 5 442 Myron L 442 non linear standard curve EN27888 European environmental standard non linear curve and NACL non linear salinity curve 1 Press the key to enter the setting mode 2 Press the keys to select TDS total dissolved solid setting and then press the key 3 Press the keys to select TDS TYPE TDS method setting and then press the key key key key key ...

Страница 70: ...eys to select the TDS method and then press the key 5 When selecting LINEAR enter the factor and then press the key to confirm To return to the measurement mode press the key key key key key Enter a number key Selected LINEAR and press the key ...

Страница 71: ...tivity value The available calibration methods are NACL and SEAWTR 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 3 Press the keys to select SALT TYP salinity calculation method setting and then press the key key key key key key ...

Страница 72: ...Conductivity measurement 56 4 Press the keys to select the salinity calculation method and then press the key to confirm To return to the measurement mode press the key key key ...

Страница 73: ...ch the black electrode part Refer to the instruction manual of the conductivity cell for how to clean the conductivity cell 2 Immerse the conductivity cell in the standard solution Make sure the hole at the upper part of the cell is immersed 3 Press the key to enter the calibration mode Stability judgment starts and the COND icon blinks When the measured value stabilizes the COND icon changes from...

Страница 74: ...Conductivity measurement 58 Note In automatic calibration the measured value of a standard solution that is not at 25 C is always converted to 25 C with 2 00 C temperature coefficient ...

Страница 75: ...enter the calibration mode Stability judgment starts and the COND icon blinks When the measured value stabilizes the COND icon changes from the blinking state to the lit state 4 Press the keys to enter the electrical conductivity value of the standard solution used for calibration at the measured temperature 5 Press the key or the key Calibration to the set standard solution value at the measured ...

Страница 76: ... 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 key Stabilized key Enter a number key ...

Страница 77: ...ity judgment starts and the measurement item icon blinks When the measured value stabilizes the measurement item icon changes from the blinking state to the lit state and the display is fixed to the stabilized measured value Note The criteria of stability judgment in the auto stability mode and auto hold mode are as follows Conductivity Display value change for 10 seconds is less than 3 digit and ...

Страница 78: ...nductivity measurement 62 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 16 ...

Страница 79: ...tion interval alarm default OFF 74 Deleting calibration data 75 Temperature settings 77 Calibrating temperature sensor 77 General settings 79 Setting the auto stability and auto hold function 79 Changing the automatic power off setting default 30 min 81 Resetting to factory default settings 83 Setting the date and time 85 Performing test printing of the printer unit 87 Other settings 89 Printing m...

Страница 80: ...s the key to enter the data mode 2 Press the keys to select DATA OUT display saved data and then press the key Press the keys to change the measurement data and press the keys to change the display between date and data number To return to the measurement mode press the key and then press the key key key key key key ...

Страница 81: ...uto stability and hold mode are not available and the automatic power off setting is disabled If the batteries run out while using the automatic data save function the data saved until just before the batteries run out Replace the batteries and check the data 1 Press the key to enter the setting mode 2 Press the keys to select AUT LOG automatic data save and then press the key key key ...

Страница 82: ... from 0 2 s to 3600 s can be set When 0 is entered this function is set to OFF 4 Enter the period of saving in minutes and press the key A period from 0 min to 3600 min can be set 0 indicates no period 5 Press the key to return the measurement mode key key Enter a number key Enter a number ...

Страница 83: ...ving process During automatic data saving measurement data is displayed for one second each time a measurement takes place When more than 1000 data items are saved ERR No 0010 is displayed and data saving is stopped When you delete the data the error is cleared refer to Deleting all saved data page 68 key When data is saved ...

Страница 84: ...ta 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 Press the keys to select DATA CLR delete saved data and then press the key to confirm key ...

Страница 85: ...delete the saved data or select NO to cancel deleting it And then press the key to confirm When YES is selected END appears after deletion is complete To return to the measurement mode press the key key key Select YES and press the key ...

Страница 86: ...an display the latest calibration data and repeatability inspection data In the case of displaying the latest pH calibration data and repeatability inspection data 1 Press the key to enter the data mode when pH icon is shown on the main screen 2 Press the keys to select pH and then press the key key key ...

Страница 87: ...e keys To return to the measurement mode press the key and then press the key Tip The asymmetry potential can be displayed only for pH calibration data When multiple point calibration more than two points is performed the results of multiple point calibration are displayed Electrode status based on calibration result Display Description Reference GOOD Electrode sensitivity 85 to 105 Good condition...

Страница 88: ...creen 2 Press the keys to select COND conductivity setting and then press the key 3 Press the keys to select CAL DATA display calibration data and then press the key The cell constants determined by calibration are displayed Press the key to show the cell constants in order of ranges To return to the measurement mode press the key and then press the key key key key key ...

Страница 89: ... press the key 3 Press the keys to select AUTO CAL automatic calibration setting and then press the key 4 Select ON to set the automatic calibration or select OFF to set the manual calibration And then press the key to confirm To return to the measurement mode press the key Note When the setting of calibration method auto or manual is changed the cell constant is initialized Make sure to enter the...

Страница 90: ...forming calibration clears the error 1 Press the key to enter the setting mode when pH icon is shown on the main screen 2 Press the keys to select pH pH setting and then press the key 3 Press the key to select CAL ALR calibration alarm setting and then press the key 4 Enter the setting period of the calibration interval alarm and then press the key The setting range is 1 day to 400 days To return ...

Страница 91: ... set in the instrument 1 Press the key to enter the setting mode 2 Press the key to select the component to delete the data from pH or COND and then press the key 3 Press the keys to select CAL CLR delete calibration data and then press the key key key Ex pH is selected key key ...

Страница 92: ...key to confirm selection When YES is selected and is pressed END appears after deletion is complete To return to the measurement mode press the key Tip When the key is pressed for more than three seconds in the measurement mode CALCLR screen appears and the calibration data can be deleted Select YES and press the key key ...

Страница 93: ...emperature connector T on the instrument 2 Immerse the electrode into the solution until the temperature sensor is immersed 3 Press the key to enter the setting mode when the channel which is connected to the temperature sensor to calibrate is active 4 Press the keys to select TEMP temperature calibration setting and then press the key 5 Make sure that ATC is displayed and press the key The temper...

Страница 94: ...lizing temperature calibration data all settings need to be initialized Perform initialization by referring to Resetting to factory default settings page 83 When initialization is performed all saved data is deleted Copy or transfer necessary data to a PC for storage key Enter a number key ...

Страница 95: ...to hold mode displayed as AH When the criterion for stability judgment is fulfilled during measurement the component icon and the HOLD icon light and the measured value is fixed To release the measured value press the key Once a measured value is fixed the measured value is not released automatically even when the state deviates from the stability judgment criterion Setting procedure 1 Press the k...

Страница 96: ...old And then press the key to confirm selection To return to the measurement mode press the key Note In the calibration mode the auto stability mode always works Tip The stability judgment criteria is the same for both the auto stability mode and auto hold mode key Select AS and press key ...

Страница 97: ...ation for a certain period of time This function is disabled during automatic data memory saving or remote operation using an external device 1 Press the key to enter the setting mode 2 Press the keys to select GEN general setting and then press the key 3 Press the keys to select AUTO OFF automatic power off setting and then press the key key key key key ...

Страница 98: ...ings 82 4 Enter the automatic power off time and press the key The setting range is 0 min to 30 min 0 indicates the automatic power off is OFF To return to the measurement mode press the key key Enter a number key ...

Страница 99: ...and time and the saved data are not 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 Press the key to enter the setting mode 2 Press the keys to select GEN general setting and then press the key 3 Press the keys to select RESET initialize and then press the key key key key key ...

Страница 100: ...ctory default settings or select NO to cancel initialization And then press the key to confirm selection When YES is selected END appears after the settings are initialized and then the instrument is automatically power OFF key key Select YES and press the key Power OFF ...

Страница 101: ...et the date and time After setting the date and time data is displayed correctly when saving data in the internal memory If the setting is incorrect the date and time of saved data becomes incorrect 1 Press the key to enter the setting mode 2 Press the keys to select GEN general setting and then press the key key key key key ...

Страница 102: ...EAR current year and press the key 5 In the same way set MONTH month DAY date and TIME hour and minute in that order 6 Press key to confirm To return to the setting mode press the key key key Enter a number and press key Enter a number and press key Enter a number and press key Enter a number and press key ...

Страница 103: ...problem you can perform test printing Connect the instrument and a printer correctly and perform the following procedure for test printing As a result of test printing if the printout is as shown below the printer unit is operating correctly 1 Press the key to enter the setting mode 2 Press the keys to select GEN general setting and then press the key key key key key ...

Страница 104: ...s to select PRINT test print and then press the key Printing starts automatically When printing ends the printer icon lights and END appears Press the key or the key To return to the measurement mode press the key key Printed key or key ...

Страница 105: ...ressing the key starts printing during displaying the data you want to print Use the printer cable to connect the printer unit with the instrument beforehand If the automatic data memory is set to ON you cannot print out in the measurement mode Reference For details of how to display measurement data and calibration data refer to the respective section Displaying saved data page 64 Displaying the ...

Страница 106: ... temperature setting Out of measure range Over OR Under UR Inst model LAQUAact PC110 Instrument model Inst SN KL1TSN20 Instrument serial number Elect status GOOD Electrode status based on calibration result Memory Num 0001 Data number Date 2016 01 01 Measurement date Time 09 00 Measurement time Channel 2 Measurement Channel COND 1 121 mS m Measured value Temperature 25 0 C MTC Temperature value an...

Страница 107: ...temperature setting pH 6 86 7 6 mV Measurement potential 25 0 C ATC Temperature value and temperature setting Inspection before use pH 6 85 7 8 mV Measurement potential at time of repeatability inspection 25 0 C ATC Temperature value and temperature setting Printout format Description Inst model LAQUAact PC110 Instrument model Inst SN KL1TSN20 Instrument serial number Elect status GOOD Electrode s...

Страница 108: ... 9 μS cm Measurement range range 2 1 000 1 cm 1 Cell constant range 2 R3 180 1999 μS cm Measurement range range 3 1 000 1 cm 1 Cell constant range 3 R4 1 80 19 99 mS cm Measurement range range 4 1 000 1 cm 1 Cell constant range 4 R5 18 0 200 0 mS cm Measurement range range 5 1 000 1 cm 1 Cell constant range 5 Calibration data Date 2016 01 01 Calibration date Time 09 00 Calibration time 1413 S cm C...

Страница 109: ... you can download from our website as well The required PC specifications and recommended PC specifications for using the FD 70 are shown in the following table Note If you are not using the RS 232C communication close the connector cover tightly While using the RS 232C communication the instrument is not dust proof or waterproof Do not use the RS 232C communication in a dusty place or with wet ha...

Страница 110: ...mmunication error occurs and the online mode does not start up and as a result RS 232C communication cannot be performed Also when the transfer format is changed turn OFF the power of the instrument and PC and then reboot them The transfer format of the instrument is as follows Baud rate 2400 bps Character length 8 bits Parity None Stop bit 1 bit You can download a list of communication commands f...

Страница 111: ...fficult to remove the dirt wipe it gently with a cloth moistened with alcohol The instrument is made of solvent resistant materials but that does not mean it is resistant to all chemicals Do not dip the instrument in strong acid or alkali solution or wipe it with such solution Do not wipe the instrument with a polishing powder or other abrasive compound Environmental conditions for storage Tempera...

Страница 112: ...st atmosphere Follow the steps below to properly store the electrode 1 Clean the electrode well with pure water or deionized water to remove sample completely and close the internal solution filler port 2 Clean inside of the protective cap with pure water or deionized water then add enough pure water or deionized water to soak the sponge 3 Attach the protective cap When the electrode will not be u...

Страница 113: ...Daily storage of the electrode If the electrode becomes dry the response will become slow Store in a moist atmosphere Follow the steps below to properly store the electrode 1 Clean the electrode well with pure water or deionized water to remove sample completely and close the internal solution filler port 2 Clean inside of the protective cap with pure water or deionized water then add enough pure ...

Страница 114: ...nal solution If the surface of the metal electrode is dirty wipe it gently with a soft material such as absorbent cotton moistened with alcohol or a neutral cleaning solution or immerse in dilute nitric acid 1 1 nitric acid to remove the dirt 4 Repeat the measurement If the ORP value is within 15 mV the electrode is normal If not within 15 mV the electrode may have failed Replace the electrode Not...

Страница 115: ...ry state the cell constant will change Store with the black electrode part immersed in pure water or deionized water or with the protective cap filled with pure water or deionized water and attached to the cell When the electrode will not be used for a long period To store the cell for a long period wash it well and attach the protective cap filled with pure water or deionized water Type of dirt C...

Страница 116: ...M E M O 100 ...

Страница 117: ... asymmetric potential of the electrode is out of the range of 45 mV 0005 Electrode sensitivity error The electrode sensitivity is either 105 or more or 85 or less than the theoretical sensitivity 0006 Maximum calibration points exceeded 6th point calibration is attempted 0007 Cannot identify standard solution The instrument cannot identify the standard solution 0008 Calibration interval error Exce...

Страница 118: ...nect the AC adapter option Cause How to solve problem The electrode is dirty Clean the electrode The electrode is cracked Replace the electrode The standard solution concentration is fluctuating Replace the internal solution in the reference electrode The electrode is not connected correctly Connect the electrode correctly Electrode is not immersed enough to cover liquid junction The electrode mus...

Страница 119: ...e electrode must be immersed up to the liquid junction As a guide immerse to at least 3 cm from the tip of the electrode There is a problem with the standard solution Use new standard solution Cause How to solve problem 6th point calibration is attempted Up to five points can be calibrated Cause How to solve problem There is a problem with the standard solution Use new standard solution Settings a...

Страница 120: ...umber of days of the calibration interval or longer Perform calibration The calibration interval alarm is ON and calibration has not been performed Perform calibration Cause How to solve problem There is a problem with the printer unit connection Check the printer connection and connect the instrument and printer again The defect of the printer Consult your dealer Cause How to solve problem Saving...

Страница 121: ...rence electrode until it is higher than the level of the sample Cause How to solve problem There is a motor or other device causing electrical interference Measure at a place where no influence from induction is given Ground all AC powered equipment The electrode is not connected correctly Connect the electrode correctly Cause How to solve problem Electrode is not immersed enough to cover liquid j...

Страница 122: ...portant to select an electrode that is appropriate for the sample Consult your dealer To confirm an electrode that is appropriate for the sample check the pH electrode selection guide in our catalogue or refer to our website Cause How to solve problem The electrode is cracked Replace the electrode The electrode is not connected correctly Connect the electrode correctly Keys are locked Turn OFF the...

Страница 123: ...rode must be immersed up to the liquid junction As a guide immerse to at least 3 cm from the tip of the electrode The electrode cable is broken Replace the electrode Calibration is not performed or performed incorrectly Perform calibration correctly Instrument defect Check as explained below Cause How to solve problem Effect of the sample solution Repeatability becomes poor when the pH of the samp...

Страница 124: ...e AC adapter option Instrument defect Consult your dealer Cause How to solve problem Using the instrument at high elevation or other location where the air pressure is different from sea level To eliminate the pressure difference between the inside and outside of the instrument briefly open and then close the AC adapter cover After opening correctly close the cover to maintain dust and water proof...

Страница 125: ...on Power AAA alkaline batteries LR03 or AAA Ni MH rechargeable batteries 2 AC adapter 100 V to 240 V 50 60 Hz 0 37 A option Dimensions Approx 67 80 W 170 D 28 42 H mm The figures in square bracket are maximum thicknesses Mass Approx 285 g without batteries Measurement parameter Item Description pH Measuring principle Glass electrode Display range pH 2 00 to pH 16 00 Measuring range pH 0 00 to pH 1...

Страница 126: ...l scale Salinity Measuring principle Conversion from conductivity value Measuring range Display range 0 00 to 10 00 0 0 ppt to 100 0 ppt Accuracy 0 2 of full scale Resolution 0 01 0 1 ppt TDS Measuring principle Conversion from conductivity value Measuring range Display range 0 00 mg L to 100 g L TDS factor 0 40 to 1 00 Accuracy 0 1 of full scale Resolution 0 01 mg L Resistivity Measuring principl...

Страница 127: ... 200 0 000 to 1 999 mS m 0 0 to 199 9 µS m Range Cell constant 10 cm 1 1 cm 1 0 1 cm 1 0 200 to 2 000 S cm 20 0 to 199 9 mS cm 2 00 to 19 99 mS cm 200 to 1999 µS cm 20 0 0 0 to 199 9 µS cm 2 00 0 00 to 19 99 µS cm 0 000 to 1 999 µS cm Range Cell constant 10 cm 1 1 cm 1 0 1 cm 1 200 0 to 2000 mS cm 20 00 to 199 9 mS cm 2 000 to 19 99 mS cm 0 200 0 000 to 1 999 mS cm 0 020 0 000 to 0 199 mS cm 0 002...

Страница 128: ...1 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 to 19 99 Ω m 0 000 to 1 999 Ω m Range Cell constant 0 1 cm 1 1 cm 1 10 cm 1 20 0 to 199 9 MΩ cm 2 00 to 19 99 MΩ cm 0 200 to 1 999 MΩ cm 20 0 to 199 9 kΩ cm 2 00 0 00 to 19 99 kΩ cm 0 200 0 000 to 1 999 kΩ cm 0 0 to 199 9 Ω cm ...

Страница 129: ... off time 0 min to 30 min 1 30 min Auto data memory time 0 2 s to 3600 s 2 0 s Auto data memory period 0 min to 3600 min 0 min pH Standard solution USA NIST CUST USA Calibration interval 0 day to 400 days 3 0 day Conductivity Cell constant 0 700 to 1 300 0 1 cm 1 1 cm 1 10 cm 1 1 000 1 cm 1 Temperature coefficient 0 00 C to 10 00 C 2 00 C Unit S cm S m mS cm FIX S cm Calibration method Auto Manual...

Страница 130: ...hosphate pH 10 Carbonate pH 12 Saturated calcium hydroxide solution 0 1 666 4 003 7 119 10 318 13 423 5 1 668 3 999 7 086 10 245 13 207 10 1 670 3 998 7 058 10 178 13 003 15 1 672 3 999 7 035 10 117 12 810 20 1 675 4 002 7 015 10 061 12 627 25 1 679 4 008 7 000 10 011 12 454 30 1 683 4 015 6 988 9 965 12 289 35 1 688 4 024 6 979 9 925 12 133 40 1 694 4 035 6 973 9 888 11 984 45 1 700 4 047 6 969 9...

Страница 131: ... 1147 10 48 92 5 16 70 00 1173 10 72 94 4 17 71 00 1199 10 95 96 3 18 73 00 1225 11 19 98 2 19 74 00 1251 11 43 100 2 20 76 00 1278 11 67 102 1 21 78 00 1305 11 91 104 0 22 79 00 1332 12 15 105 9 23 81 00 1359 12 39 107 9 24 82 00 1386 12 64 109 8 25 84 00 1413 12 88 111 8 26 86 00 1440 13 13 113 8 27 87 00 1467 13 37 115 7 28 89 00 1494 13 62 117 7 29 90 00 1521 13 87 119 7 30 92 00 1548 14 12 12...

Страница 132: ...to the representative With regard to electrodes it is important to select the optimum electrode for the sample you want to measure For details refer to the catalogue or our website or contact your dealer Part name Part number Remarks Plain paper printer Printer USA 120 V 3014030146 Printer cable sold separately Printer EU 230 V 3014030147 Printer cable 3014030148 1 5 m Roll paper 3014030149 20 rol...

Страница 133: ...2 Miyanohigashi Kisshoin Minami ku Kyoto 601 8510 Japan http www horiba com ...

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