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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 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

(Japanese specification)

Set to use the standard solution of the Japanese 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-PD110

Страница 1: ...Handheld pH ORP Dissolved Oxygen Meter LAQUAact PD110 Instruction Manual CODE GZ0000427800...

Страница 2: ......

Страница 3: ...to 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 specifie...

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...

Страница 5: ...o 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...

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 Thi...

Страница 7: ...ON Harmful chemicals The internal solution of DO electrodes is highly potassium hydroxide KOH If the internal solution comes in contact with the skin wash it off immediately If it gets into eyes flush...

Страница 8: ...to 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...

Страница 9: ...the instrument provides dust proof and waterproof performance When replacing the batteries with an AC adapter or a serial cable connected the instrument does not have the dust proof and waterproof per...

Страница 10: ...ogether with a used battery Do not use a fully charged nickel metal hydride battery together with a partially charged battery Do not attempt to charge a non rechargeable battery Environmental conditio...

Страница 11: ...is 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 re...

Страница 12: ...X M E M O...

Страница 13: ...operation 7 Function layer 7 Changing the operation mode 10 Switching the displays 11 Changing the measurement parameter 12 Using the backlight 13 Entering numeric values 13 Saving measurement data in...

Страница 14: ...ing saved data 50 Using the automatic data save 51 Deleting all saved data 54 Measurement setting 56 Displaying the latest calibration and inspection data 56 Using the calibration interval alarm defau...

Страница 15: ...rrors or troubles 85 When an error message appears 85 ERR No 0001 Memory error 85 ERR No 0002 Empty battery level 86 ERR No 0004 Asymmetric potential error 86 ERR No 0005 Electrode sensitivity error p...

Страница 16: ...ing of operation key sheet 93 Part of the display is missing 93 Appendix 95 Main specifications 95 Instrument default settings 97 Technical note 98 pH standard solutions at various temperatures 98 Sat...

Страница 17: ...eration 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 10 Switching the displays 11 Changing the measure...

Страница 18: ...nnects 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 Attac...

Страница 19: ...he 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...

Страница 20: ...lay 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...

Страница 21: ...isplays 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 littl...

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 LIGH...

Страница 23: ...e 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...

Страница 24: ...3 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 setting...

Страница 25: ...libration data display 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 ho...

Страница 26: ...e 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 Mea...

Страница 27: ...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 t...

Страница 28: ...arameters 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 ava...

Страница 29: ...urn 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 becom...

Страница 30: ...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...

Страница 31: ...ctrode 20 pH measurement 21 Setting the instrument 21 Performing calibration 25 Performing measurement 33 Saving the measured value 34 mV ORP measurement 35 Switching between absolute value and relati...

Страница 32: ...d solution for the measurement parameter If not prepare the standard solution by yourself or purchase it Are there any items that should not be wet or stained around the instrument Depending on the op...

Страница 33: ...n 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 instrum...

Страница 34: ...nstrument 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 connect...

Страница 35: ...e 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...

Страница 36: ...nnector 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 temperatu...

Страница 37: ...tandard 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...

Страница 38: ...ate the temperature sensor refer to Calibrating temperature sensor page 62 3 In the case of MTC enter the temperature to be compensated for and press the key to confirm To return to the measurement mo...

Страница 39: ...is 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...

Страница 40: ...ion 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 Japanese specification Set to use the standard solution of th...

Страница 41: ...ation of USA pH 4 and 7 as a general calibration example 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 p...

Страница 42: ...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 measur...

Страница 43: ...andard 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...

Страница 44: ...he 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...

Страница 45: ...ment 29 6 Press the key to start inspection REP repeatability is shown and display changes to the measurement mode Note Repeatability inspection can be performed only once for one calibration Stabiliz...

Страница 46: ...f 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 t...

Страница 47: ...atically 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...

Страница 48: ...leting the calibration data refer to Delet ing calibration data page 60 It is recommended that you should clear the previous calibration data before the calibration in order to perform more accurate c...

Страница 49: ...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 sur...

Страница 50: ...ility 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 i...

Страница 51: ...ue 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 measu...

Страница 52: ...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...

Страница 53: ...asured value is out of the measurement range page 92 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...

Страница 54: ...easuring the temperature of the standard solution or the temperature of the air when air calibration You can correct the sensitivity of the calibration data according to the sample temperature with th...

Страница 55: ...calibrate the temperature sensor refer to Calibrating temperature sensor page 62 3 In the case of MTC enter the temperature to be compensated for and press the key to confirm To return to the measure...

Страница 56: ...ue or sea concentration 35 0 PPT If the measured target does not contain saline matter set to 0 0 PPT 1 Press the key to change the setting mode 2 Press the keys to select DO DO correction setting and...

Страница 57: ...nt with the default setting If you are using the instrument in a high altitude area you must set the air pressure correction 1 Press the key to enter the setting mode 2 Press the keys to select DO DO...

Страница 58: ...in the saturated oxygen concentration mode Note Air calibration must be performed in clean air If air calibration is performed in a location subject to dramatic temperature change exposed to wind and...

Страница 59: ...ns because it is affected by temperature and air pressure Tip You can finish calibration by pressing the key 5 To perform zero calibration immerse the same electrode in the zero standard solution Stab...

Страница 60: ...change to dissolved oxygen measurement mode 4 Immerse at least 6 cm of the tip of the DO electrode in the calibration solution In two point calibration immerse it in the high concentration solution fi...

Страница 61: ...standard solution low concentration solution Note When using an electrode 9551 20D or 9551 100D immerse at least 9 cm from the tip 9 Immerse the DO electrode in the standard solution As with the step...

Страница 62: ...e measurement mode Calibration using the standard solution is complete Note The zero standard solution and the span standard solution are determined automatically by the instrument If calibration of a...

Страница 63: ...he DO electrode in the sample solution In order to immerse the temperature sensor in the standard solution make sure to immerse the electrode surely During measurement use a stirrer to stir the sample...

Страница 64: ...n 2 0 C Saturated oxygen concentration Display value change for 10 seconds is less than 0 3 and temperature change is less than 2 0 C Ur Under lights when the measured value is below the display range...

Страница 65: ...m default OFF 59 Deleting calibration data 60 Temperature settings 62 Calibrating temperature sensor 62 General settings 64 Setting the auto stability and auto hold function 64 Changing the automatic...

Страница 66: ...aved in the internal memory 1 Press 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...

Страница 67: ...etting 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...

Страница 68: ...52 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 enter the measurement mode Enter a number key Enter a...

Страница 69: ...ing 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 sav...

Страница 70: ...a 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...

Страница 71: ...elete 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 ke...

Страница 72: ...atability inspection data 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 and then press the key 3 Press the keys to select CAL DATA di...

Страница 73: ...libration 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 Descriptio...

Страница 74: ...e when DO icon is shown on the main screen 2 Press the keys to select DO DO correcting setting and then press the key 3 Press the keys to select CAL DATA display calibration data and then press the ke...

Страница 75: ...or is displayed performing calibration clears the error 1 Press the key to enter the setting mode 2 Press the keys to select pH pH setting and then press the key 3 Press the keys to select CAL ALR cal...

Страница 76: ...ion data set in the instrument 1 Press the key to enter the setting mode 2 Press the keys to select the component to delete the data from pH or DO and then press the key 3 Press the keys to select CAL...

Страница 77: ...o confirm selection When YES is selected and the key 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 s...

Страница 78: ...mperature 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...

Страница 79: ...izing temperature calibration data all settings need to be initialized Perform initialization by referring to Resetting to factory default settings page 68 When initialization is performed all saved d...

Страница 80: ...ays instantaneous value Auto 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 fi...

Страница 81: ...ld 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...

Страница 82: ...tion 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...

Страница 83: ...settings 67 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...

Страница 84: ...nd 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 ke...

Страница 85: ...tory 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 a...

Страница 86: ...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...

Страница 87: ...d TIME hour and minute in that order 6 Press the key to confirm the setting To return to the measurement mode press the key key Enter a number and press the key key Enter a number and press the key En...

Страница 88: ...roblem 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...

Страница 89: ...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 p...

Страница 90: ...data page 56 Refer to the following table for the pH two point calibration and dissolved oxygen The data saved in internal memory Printout format Description Memory Num 0001 Data number Date 2016 01...

Страница 91: ...emperature 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 inspect...

Страница 92: ...L OK Calibration result 25 0 C ATC Temperature value and temperature setting SAL Coef 35 0 PPT Salinity coefficient Pres Coef 101 3 kPa Air pressure coefficient Printout format Description Inst model...

Страница 93: ...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 co...

Страница 94: ...munication 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 an...

Страница 95: ...ficult 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 th...

Страница 96: ...mosphere 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...

Страница 97: ...aily 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 w...

Страница 98: ...al 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 nitri...

Страница 99: ...embrane in order to prevent deterioration of the membrane Daily storage of the DO electrode Follow the steps below to store the electrode correctly 9520 10D 1 Clean the DO electrode well with pure wat...

Страница 100: ...M E M O 84...

Страница 101: ...metric 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 pH The el...

Страница 102: ...ect 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 Replac...

Страница 103: ...erse 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 The electrode is dirty Clean the electrode The el...

Страница 104: ...ard solution Use new standard solution Settings about the standard solution do not match the instrument Check if the instrument settings and the specifications of the standard solution are compatible...

Страница 105: ...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...

Страница 106: ...vel 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 equipm...

Страница 107: ...ortant 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...

Страница 108: ...de 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 perf...

Страница 109: ...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 elimi...

Страница 110: ...M E M O 94...

Страница 111: ...easurement parameters pH mV ORP dissolved oxygen oxygen concentration saturated oxygen concentration temperature Operating ambient temperature humidity 0 C to 45 C 80 or less in relative humidity no c...

Страница 112: ...Measuring principle Thermistor method Display range 30 0 C to 130 0 C Measuring range 0 0 C to 100 0 C Resolution 0 1 C Accuracy 0 4 C Dissolved oxygen Measuring principle Membrane galvanic cell Meas...

Страница 113: ...ection item Setting range Default values Common Auto hold AS AH AS Temperature input value 0 0 C to 100 0 C 25 0 C Auto power off time 0 min to 30 min 1 30 min Auto data memory time 0 2 s to 3600 s 2...

Страница 114: ...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 1...

Страница 115: ...emp C Saturated DO mg L 1 13 77 11 10 67 21 8 68 31 7 42 2 13 40 12 10 43 22 8 53 32 7 32 3 13 04 13 10 20 23 8 39 33 7 22 4 12 70 14 9 97 24 8 25 34 7 13 5 12 37 15 9 76 25 8 11 35 7 04 6 12 06 16 9...

Страница 116: ...o 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 deal...

Страница 117: ...2 Miyanohigashi Kisshoin Minami ku Kyoto 601 8510 Japan http www horiba com...

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