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NAVI F-52 Instruction Manual

Ph meter
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ExpotechUSA
10700 Rockley Road
Houston, Texas 77099
USA
281-496-0900 [voice]
281-496-0400 [fax]
E-mail: sales@expotechusa.com
Website: www.ExpotechUSA.com

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Summary of Contents for NAVI F-52

  • Page 1 For more information, please contact us: ExpotechUSA 10700 Rockley Road Houston, Texas 77099 281-496-0900 [voice] 281-496-0400 [fax] E-mail: sales@expotechusa.com Website: www.ExpotechUSA.com...
  • Page 3 ■ Preface Thank you for purchasing one of the F-50 Series pH meters. This meter has a large-sized LCD display, which enables to use the varied functions by simple operations, and especially will be convenient to use in laboratory. Carefully read this manual before using the meter. Warranty and Responsibility Your meter is covered by warranty for a period of one (1) year, under normal use.
  • Page 4 Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. F-52, 53, 54, 55...
  • Page 5 SAFETY OPERATION ■ Type and Definition of Signal Words For the safety use, the meter is equipped with the Warning Labels to alert every operator and user to the possible risk and danger. Before using understanding each message. The meaning of signal words are as follows: This indicates an potentially hazardous situation which, (WARNING) if not avoided, will result in death or serious injury.
  • Page 6 It may also be used to alert unsafe practices. This mark indicates the operation requires a special care and attention. This mark indicates to which the reader should go for reference. HINT! This mark indicates reference information. F-52, 53, 54, 55...
  • Page 7 SAFETY OPERATION ■ Cautionary Items ● Precautions Do not give physical shock to the meter like dropping or hitting. ● Avoid water or solution from being contact with the meter body. ● Water or solution, if contacts with the meter, may cause the meter breakage.

  • Page 8: Table Of Contents

    Changing the measurement setting condition ..38 3.3.1 Resolution of pH measurement value ......... 3.3.2 Automatic Temperature Compensation (ATC) and Manual Temperature Compensation (MTC) ..............39 3.3.3 Temperature Conversion Function ..........3.3.4 Electrode model change .............. 3.3.5 Electrode lot change ..............F-52, 53, 54, 55...
  • Page 9 TABLE OF CONTENTS 3.3.6 Alarm setting ................Calibration Setting............44 3.4.1 Setting standard solution ............. 3.4.2 Calibration for Custom selection ..........3.4.3 Calibration point setting ............... 3.4.4 Calibration interval setting ............3.4.5 Preliminary check setting ............3.4.6 Periodical check mode setting ............. 3.4.7 Periodical check ................
  • Page 10 10.3.1 User management ............... 122 10.3.2 Password validity ................. 122 10.3.3 Password letter number ............... 123 10.3.4 Password Limit ................123 10.3.5 Lockout count reset ..............124 10.3.6 Reset the lockout ................ 124 10.3.7 Operator registration change ............125 F-52, 53, 54, 55...
  • Page 11 TABLE OF CONTENTS Chapter 11 METER SETTING ....11.1 SETUP Screen.............. 129 11.1.1 SETUP screen menu ..............130 11.2 System setup ............... 131 11.2.1 Display pattern change ..............131 11.2.2 2CH display (F-53,54,55) ............
  • Page 12 16.7.1 RS-232C communications cable ..........252 16.7.2 Cable for CITIZEN printer ............252 16.7.3 Cable for SEIKO printer ............... 252 16.8 Spare and optional parts..........253 16.8.1 Spare parts list ................253 16.8.2 Options ..................257 F-52, 53, 54, 55...
  • Page 13 TABLE OF CONTENTS HORIBA...

  • Page 14: Chapter 1 Overview

    This section explains the name of each part, the connection of electrodes, the battery replacement, and the cautionary items. Package contents The package contents of the meter F-5X is as follows: Model Product F-52 F-53 F-54 F-55 Main unit ○ ○ ○ ○...

  • Page 15: Functions

    Functions 1.2.1 Measurement item (depending on the model) This is a list of measurement items. Note that they depend on the model as follows: ○ : Available ◎ : Initially set Measure F-52 F-53 F-54 F-55 ment CH1 CH1 CH2 CH1 CH2 CH1 CH2 item ◎...
  • Page 16 Returns the setting to the MAINTENANCE All models Page initial value → INITIALIZATIO Ｎ OF SETTINGS Displays temperature more MAINTENANCE All models Page → TEMP CALIBRATION accurately Adjusts the temperature indication to the standard thermometer F-52, 53, 54, 55...
  • Page 17 Chapter 1 Overview 1.2 Functions Available Refer Item Function How to set model Changes the indicated res- pH SETUP All models Page measure- olution of pH → DISPLAY OPTION ment Inputs the temperature of pH SETUP All models Page setup standard thermometer with- →...
  • Page 18 Changes the ion measure- ION SETUP → UNIT F-53,55 Page ment unit to mol/L Inputs the temperature of ION SETUP → TEMP COM- F-53,55 Page standard thermometer with- PENSATION; MANUAL out temperature sensor F-52, 53, 54, 55...
  • Page 19 Chapter 1 Overview 1.2 Functions Available Refer Item Function How to set model COND Changes the unit COND SETUP → UNIT F-54,55 Page measure- ment Inputs the temperature of COND SETUP F-54,55 Page setup standard thermometer with- → TEMP COMPENSATION out the temperature sensor Measures the sample with COND SETUP...
  • Page 20 Perform setting before the NETWORK SETUP F-55 Page Ethernet output → IP ADDRESS NETWORK SETUP → GATEWAY ADDRESS NETWORK SETUP → SUBNET MASK F-52, 53, 54, 55...

  • Page 21: Description Of Each Part

    Chapter 1 Overview 1.3 Description of Each Part Description of Each Part Main Unit Electrode stand Indication Operation key Battery cover (bottom) Side CF card slot (*1) Ethernet connector (*2) Serial communication terminal Analog output terminal Electrode terminal AC adapter terminal *1 ：...

  • Page 22: Keys And Display

    CURSOR key Increases or decreases the numeric values. Used for the setting change. ENTER key Assures the set values after the setting. CAL key Starts calibration or calibration mode. NAVI key Displays the operation guide (Navi). F-52, 53, 54, 55...

  • Page 23: Measurement Screen

    Chapter 1 Overview 1.4 Keys and Display 1.4.2 MEASUREMENT screen Operation guide Clock External output connection Measurement mode Temp. compensation Channel indication display HOLD indication Main CH Calibration status Sub CH Function keys Icon displayed on the screen Indi Name cati Description Temperature...

  • Page 24: Assembling Electrode Stand

    (At the shipment, the stopper and the electrode clamp are already attached.) Push this button to adjust Electrode clamp the height. Stand Stopper* Knurled screw Fixing screw * The stopper is used to fix the electrode clamp to an optimum position at the measurement. F-52, 53, 54, 55...

  • Page 25: Connecting The Electrode And The Power Source

    The connectors to the meter depend on the electrode types as follows: Meas. electrode G Ref. electrode R Temp. electrode T Meas. electrode G Ref. electrode R Temp. electrode T Measurement electrode G Measurement Measurement electrode CH1 electrode CH2 F-52 pH/ORP − F-53 pH/ORP/Ion pH/ORP/Ion F-54 pH/ORP Conductivity F-55 pH/ORP/Ion Conductivity...
  • Page 26 If measurement is performed in the auto- matic temperature compensation (ATC) mode without connecting the temperature connector or if the mV measurement is car- ried out in that state, the temperature reading will be always 25°C. F-52, 53, 54, 55...

  • Page 27: Connection Of Ac Adapter

    Chapter 1 Overview 1.6 Connecting The Electrode and the Power Source 1.6.2 Connection of AC adapter Use the exclusive AC adapter. AC adapter specifications Supply voltage range 100 - 200 V AC Frequency range 50/60 Hz Current rating Max 370 mA Class2 Power supply Equipment protected by double insulation...

  • Page 28: Replacing The Clock Battery

    Adjust the clock. The battery life is approximately three (3) years. The battery life depends on the using conditions. The built-in battery at the product shipment is the one for function check; it may have a shorter life. F-52, 53, 54, 55...

  • Page 29: Communication To Each Output

    Chapter 1 Overview 1.7 Communication to Each Output Communication to Each Output Analog output Use the optional exclusive cable. For connection procedure or output configuration, refer to Chapter 13 Analog Output in page 160. Serial communication/printout Used for PC communication and printout. To output the data to the PC, connect the optional printer.

  • Page 30: Security Function

    When the user control is set to ON, be sure not to forget the password. It is also recommended that plural Administrators are registered in case that the password carelessly lost. F-52, 53, 54, 55...
  • Page 31 Chapter 1 Overview 1.9 Security Function HORIBA...

  • Page 32: Chapter 2 Basic Operations

    To reset the operator name, either press ON/ OFF key to make the screen to SLEEP mode or turn off the power. F-52, 53, 54, 55...

  • Page 33: Measurement Mode Transition For Each Model

    Measurement Mode Transition for Each Model Pressing the MODE key in the Measurement screen will switch the measurement item. In this section the measurement flow for each model is explained. ● F-52 measurement mode SETUP screen pH Measurement mV Measurement...
  • Page 34 2.2 Measurement Mode Transition for Each Model ● F-53 measurement mode SETUP screen pH Measurement pH Measurement mV Measurement mV Measurement F4(SELECT CH) ION Measurement ION Measurement （selecting AFTERCAL) （selecting AFTERCAL) ION Measurement ION Measurement (selecting INCREMENTAL) (selecting INCREMENTAL) F-52, 53, 54, 55...
  • Page 35 Chapter 2 BASIC OPERATIONS 2.2 Measurement Mode Transition for Each Model ● F-54 measurement mode SETUP screen pH Measurement COND Measurement mV Measurement SALT Measurement F4 (SELECT CH) RESIST Measurement HORIBA...
  • Page 36 Chapter 2 BASIC OPERATIONS 2.2 Measurement Mode Transition for Each Model ● F-55 measurement mode SETUP screen pH Measurement COND Measurement SALT Measurement mV Measurement F4 (SELECT CH) ION Measurement RESIST Measurement （Selecting AFTERCAL） ION Measurement (Selecting INCREMENTAL) F-52, 53, 54, 55...

  • Page 37: Turn On The Power

    Chapter 2 BASIC OPERATIONS 2.3 Turn on the Power Turn on the Power Soon after the power OFF (approx. 4 seconds), ON/OFF key may be invalid. 2.3.1 At User Control OFF (initial setting) Press the ON/OFF key. The startup screen appears, and then the SETUP screen appears.

  • Page 38: At User Control On

    When all the input is completed, press F4 (RETURN). The screen proceeds to the Measure- ment screen. When the Operator is registered as the Administrator, the SETUP screen appears. The SETUP screen configuration depends on the model. SETUP screen F-52, 53, 54, 55...

  • Page 39: Necessary Setup For The First-Time User

    Chapter 2 BASIC OPERATIONS 2.4 Necessary Setup for the First-time User Necessary Setup for the First-time User This meter features the clock function that allows recording the date of measurement and cal- ibration. You need to set the clock when you use the meter for the first time or after replacing the batteries.

  • Page 40: Navigation Function

    Chapter 2 BASIC OPERATIONS 2.5 Navigation Function Navigation Function Pressing the NAVI key in the Measurement, CAL, or SETUP screen provides the following navigation functions. Operation guide display in the Measurement, CAL screens ● Operation guide display in the SETUP screen ●...
  • Page 41 Chapter 2 BASIC OPERATIONS 2.5 Navigation Function HORIBA...

  • Page 42: Chapter 3 Ph Measurement

    A sharp edge of broken glass may cause a cutting injury. The support tube and the tip of the electrode are made of glass. Handle with care not to break the Caution glass. F-52, 53, 54, 55...

  • Page 43: Open Ph Measurement Screen

    Chapter 3 pH MEASUREMENT 3.2 Open pH Measurement Screen Open pH Measurement Screen Press the MODE key in any of the Measurement screens, to go to the pH Measurement screen. The displayed screen shows pH mea- surement status of instantaneous val- ues.

  • Page 44: Calibration Of Standard Solution

    The pH Measurement screen appears. Press the CAL key in the pH Mea- surement screen. CAL conditions show up The CAL screen appears. The screen display depends on the setting condition of the standard solution. F-52, 53, 54, 55...
  • Page 45 Chapter 3 pH MEASUREMENT 3.2 Open pH Measurement Screen Function key features in the CAL screen CAL SETUP:To go to the CAL SETUP screen "3.4 Calibration Setting" page 44 ● CHECK:To perform periodical check"3.4.7 Periodical check" page 50 ● CAL DATA:To refer to the previous calibration status" ● Calibration data display" ●...
  • Page 46 Wash the electrode with pure water (ion exchange water), and wipe it off either with filter paper or tissue paper. Immerse the electrode in the bea- ker with standard solution of pH4. Deeper than 3 cm F-52, 53, 54, 55...
  • Page 47 Chapter 3 pH MEASUREMENT 3.2 Open pH Measurement Screen Start calibration of the 2nd point by pressing the CAL key. When calibration of the 2nd point is complete, the calibration result is dis- played on the screen. Blinking Press the MEAS key. The Measurement screen appears.
  • Page 48 The electrode status is displayed. Judge To judge the electrode status, refer to "3.4.5 Preliminary check setting" page For defective electrodes, perform coun- teraction by referring to " ● When elec- trodes are defective" page 52 F-52, 53, 54, 55...
  • Page 49 Chapter 3 pH MEASUREMENT 3.2 Open pH Measurement Screen ● Electrode status indication When the electrode sensitivity is still low after calibration, or when a malfunction occurs at the preliminary check, the following display appears on the screen. When the sensitivity returns to the normal range after the repeated calibration, this status display disappears.

  • Page 50: Measurement

    F3 (DATA IN) to store 6378-10D, and 6252-10D may be affected by indication when perform- the data. ing 2CH simultaneous measurement in the same solution with other elec- "Chapter 9 DATA MEMORY" page 113 trodes. F-52, 53, 54, 55...

  • Page 51: Changing The Measurement Setting Condition

    Chapter 3 pH MEASUREMENT 3.3 Changing the measurement setting condition Changing the measurement setting condition Follow the procedure below to change the pH measurement condition. There are six items to be set: Resolution of pH measurement value ● Automatic Temperature Compensation(ATC) and Manual Temperature Compen- ●...

  • Page 52: Automatic Temperature Compensation (Atc) And Manual Temperature Compensation (Mtc)

    Setting Range: : 0.0 to 100.0 ℃ Press the ENTER key. The setting is determined. The display color of the setting field changes. Press F4 (RETURN). The setting is reflected, and the dis- play returns to the Measurement screen. F-52, 53, 54, 55...

  • Page 53: Temperature Conversion Function

    Chapter 3 pH MEASUREMENT 3.3 Changing the measurement setting condition 3.3.3 Temperature Conversion Function The measured pH values change according to the temperature even for the same sample. In addition, the degree of temperature change for pH values also changes according to each sam- ple.

  • Page 54: Electrode Model Change

    ENTER key. Maximum 9 letters can be input. Determine the setting by F4 (RETURN). Press F4 (RETURN). The setting is reflected, and the dis- play returns to the Measurement screen. F-52, 53, 54, 55...

  • Page 55: Electrode Lot Change

    Chapter 3 pH MEASUREMENT 3.3 Changing the measurement setting condition 3.3.5 Electrode lot change By inputting the electrode Lot, the data printout (detailed) and/or data memory will contain the electrode Lot information. ● Setting procedure In the pH SETUP screen, move the cursor to the ELECTRODE LOT field by ↑...

  • Page 56: Alarm Setting

    Setting range: pH0.000 to 14.000 Press the ENTER key. The setting is determined. The display color of the set part changes. Press F4 (RETURN). The setting is renewed, and the display returns to the Measurement screen. F-52, 53, 54, 55...

  • Page 57: Calibration Setting

    Chapter 3 pH MEASUREMENT 3.4 Calibration Setting Calibration Setting 3.4.1 Setting standard solution In the pH CALIBRATION SETUP screen, the standard solution used in the calibration can be set. There are three types of standard solutions available, NIST specification, USA specifica- tion, and Custom (exclusive use for the user).

  • Page 58: Calibration For Custom Selection

    CAL key to start the calibration. The bottle mark shows that the calibration is completed; the number 1,2,3,4, and 5 shows the number of the calibration point. F-52, 53, 54, 55...

  • Page 59: Calibration Point Setting

    Chapter 3 pH MEASUREMENT 3.4 Calibration Setting 3.4.3 Calibration point setting Maximum 5 points of calibration is available. By setting the calibration point beforehand, the display automatically shows that the calibration of the set point is completed. Setting procedure In the pH CALIBRATION SETUP screen, press ↑...

  • Page 60: Calibration Interval Setting

    CAL screen. When the interval setting is unnecessary: Select OFF at step 1. above. Press F4 (RETURN) to renew the setting. The display returns to the CAL screen. F-52, 53, 54, 55...

  • Page 61: Preliminary Check Setting

    Chapter 3 pH MEASUREMENT 3.4 Calibration Setting 3.4.5 Preliminary check setting By confirming the repeatability using the standard solution of pH7 once a day at calibration, the measurement accuracy can be assured. When calibration for the set calibration point is completed, the repeatability is automatically checked.

  • Page 62: Periodical Check Mode Setting

    The display returns to the pH Measurement screen. For F-53: The pH calibration and check setting is avail- able for each channel (CH). The checked values by the periodical check are not memorized as calibrated values. F-52, 53, 54, 55...

  • Page 63: Periodical Check

    Chapter 3 pH MEASUREMENT 3.4 Calibration Setting 3.4.7 Periodical check Pressing F2 (CHECK) in the pH CALIBRATION screen displays the CHECK screen set in the pH CALIBRATION SETUP screen. "3.4.6 Periodical check mode setting" page 49 ● JIS mode According to JIS regulation, the measurement with a solution of pH9 is given three times after measurement by standard solutions of pH7 and pH4.
  • Page 64 This is equivalent to “0” and “I” in JIS. The linearity shows the difference from the average values of three times using the stan- dard solution of pH9, which is obtained by the measurement of solutions of pH7 and pH4. F-52, 53, 54, 55...
  • Page 65 Chapter 3 pH MEASUREMENT 3.4 Calibration Setting ● For accurate measurement The regulation equivalent to “0” in JIS is quite strict, accordingly it requires strict measure- ment condition to meet this regulation. To insure accuracy in the measurement: Use Type 1 for the pH standard solution. ●...
  • Page 66 Sensitivity   pH4 to 7(90% to 105% of regulated value) ● pH7 to 9(90% to 105% of regulated value) Repeatability(within regulated value ± 0.05pH) ● The repeatability shows the difference between maximum and minimum results given by five measurements using the standard solution of pH7. F-52, 53, 54, 55...
  • Page 67 Chapter 3 pH MEASUREMENT 3.4 Calibration Setting Sample printout of the result data Date of check OK/CHECK of judgment Calibrated value for each standard solution Asymmetry potential Sensitivity Repeatability " ● For accurate measurement" page 52 " ● When electrodes are defective" page 52 ●...
  • Page 68 Sample printout Date of check OK/CHECK judgment Calibration by standard solution Linearity High impedance Temperature When the judgment of “CHECK” is displayed, check the connection and repeat the check. When the error repeatedly occurs, call customer service. F-52, 53, 54, 55...

  • Page 69: Check/Calibration Data Display

    Chapter 3 pH MEASUREMENT 3.5 Check/Calibration Data Display Check/Calibration Data Display In Check/Calibration Data Display function, the latest data (for one time calibration) is dis- played. With a printer connected, “Print” is displayed at the field of F4. Pressing F4 (PRINT) prints out the displayed information.

  • Page 70: Chapter 4 Mv(Orp) Measurement

    The screen display returns to that of absolute mV. To check ORP electrode is working well, use ORP standard solution. See （ ） on Page 220 this concern. In mV(ORP) measurement, no MTC display is on the screen. F-52, 53, 54, 55...

  • Page 71: Functions In Mv Measurement

    Chapter 4 mV(ORP) MEASUREMENT 4.2 Functions in mV Measurement Functions in mV Measurement ● Alarm setting Alarm setting function detects if the measured values are over or below the upper/lower lim- its, and displays them on the screen or outputs them as signals from the external output termi- nals.
  • Page 72 Chapter 4 mV(ORP) MEASUREMENT 4.2 Functions in mV Measurement To skip alarm function Select OFF in the above step 2. Press F4 (RETURN) to reflect the setting. The screen returns to the Measurement. F-52, 53, 54, 55...

  • Page 73: Meter Check

    Chapter 4 mV(ORP) MEASUREMENT 4.3 Meter Check Meter Check There is no checking mode in mV(ORP) measurement. For meter check, use pH checker mode. HORIBA...

  • Page 74: Chapter 5 Ion Measurement (F-53,55)

    Open the ION Measurement Screen In any Measurement screen for the corresponding CH, press the MODE key to proceed to the ION Measurement screen. The displayed screen is the ION Measurement screen as follows: F-52, 53, 54, 55...

  • Page 75: Measurement Using A Calibration Curve

    Chapter 5 Ion Measurement (F-53,55) 5.2 Measurement Using a Calibration Curve Measurement Using a Calibration Curve The Ion electrodes and the reference electrodes cause gap in the output according to the tem- perature change. Although this meter features the temperature compensation function, adjust the solution temperature of the measurement and the calibration as same as possible.
  • Page 76 The calibration status indication mark tion showing the second point calibration appears. During the calibration, the display range may automatically switch to change the auxiliary unit. F-52, 53, 54, 55...
  • Page 77 Chapter 5 Ion Measurement (F-53,55) 5.2 Measurement Using a Calibration Curve Repeatability check To confirm the measurement accuracy in the Ion measurement, the repeatability check is available. After the calibration, press F4 (REPEATABILITY) in CAL screen. Immerse the electrode in the standard solution calibrated by the first point, and press the CAL key.

  • Page 78: Ion Measuring

    Immerse the electrode in the sample, to at least three centimeters from the electrode tip. Deeper than 3 cm Press the MODE key in any Mea- surement screen, to proceed to ION Measurement screen. The instantaneous measurement for ION starts. F-52, 53, 54, 55...
  • Page 79 Chapter 5 Ion Measurement (F-53,55) 5.2 Measurement Using a Calibration Curve Press the MEAS key. The AutoHold measurement starts. Blinking The HOLD indication starts blinking, and when the indication stabilizes the HOLD indication lights up. The indi- cation value is held, and the measure- ment is completed.

  • Page 80: Measurement Using Standard Addition Method

    In the SAMPLE ADDITION 2 mode, the sample is added twice to the standard solution for the ion species to measure. This mode is used to obtain the target ion concentration in the sample solution and the electric potential slope of the electrode used. F-52, 53, 54, 55...

  • Page 81: Measuring Ion Concentration In Standard Addition 1 Mode

    Chapter 5 Ion Measurement (F-53,55) 5.3 Measurement Using Standard Addition Method ● General Cautions for Standard Addition Method In order to obtain more accurate and reliable data, pay attention to the following points: No ion of small coexisting tolerance limit. ●...
  • Page 82 The slope depends on the Ion electrode. Input the slope of Ion electrode (potential slope) to be measured. (Refer to" ● Types and Features of Applicable Electrodes" page 235) F-52, 53, 54, 55...
  • Page 83 Chapter 5 Ion Measurement (F-53,55) 5.3 Measurement Using Standard Addition Method ● Measuring Immerse the ion electrode in sam- ple solution. Press the MEAS key. The AutoHold measurement starts. Blinking When the indication stabilizes, the HOLD indication lights up. Pressing the ESC key clears the HOLD status.

  • Page 84: Measuring Ion Concentration In Standard Addition 2 Mode

    To input the ion valency, perform the step 1 above, and instead of go to the step 2., press ← or → key to change the value. The Ion valency depends on each ion; input the appropriate valency for the ion to be mea- sured. F-52, 53, 54, 55...
  • Page 85 Chapter 5 Ion Measurement (F-53,55) 5.3 Measurement Using Standard Addition Method " ● Types and Features of Applicable Electrodes" page 235 Setting range Sample volume: 1.0 to 19999.0 mL Concentration of additive 0.1 to 19000.0 mg/L standard solution: Volume 1, 2 of additive 0.01 to 1000 mL standard solution: Ion valency:...
  • Page 86 To perform measurement continu- ously, press F1 (CONDITION) and configure the measurement set- ting. To measure continuously: Press the MEAS key. To change the condition: Press F1 (CONDITION). To switch SINGLE/DOUBLE: Press F1 (CONDITION) and press the ESC key. F-52, 53, 54, 55...

  • Page 87: Measuring Ion Concentration In Sample Addition 1 Mode

    Chapter 5 Ion Measurement (F-53,55) 5.3 Measurement Using Standard Addition Method 5.3.3 Measuring Ion Concentration in Sample Addition 1 Mode This mode is used to obtain the ion concen- tration of the target ion species by adding a small amount of the sample to the standard solution for the ion species to measure once, thus increasing the ion concentration of the target component, and then measuring the...
  • Page 88 If the concentration of the added sample is too low, if the volume of the added sample is too larger than that of the standard solution, then a large error may occur in the measurement result. F-52, 53, 54, 55...
  • Page 89 Chapter 5 Ion Measurement (F-53,55) 5.3 Measurement Using Standard Addition Method ● Measurement Immerse the ion electrode in the standard solution. Press the MEAS key. The AutoHold measurement starts. Blinking When the indication stabilizes, the HOLD indication lights up. Add the sample to the standard solution.

  • Page 90: Measuring Ion Concentration In Sample Addition 2 Mode

    F4 (RETURN). The ION Measurement screen appears. Press ↑ or ↓ key and select the SAMPLE ADD option. Press ← or → key and select (2) DOUBLE. Press F4 (RETURN). The SAMPLE ADDITION 2 screen appears. F-52, 53, 54, 55...
  • Page 91 Chapter 5 Ion Measurement (F-53,55) 5.3 Measurement Using Standard Addition Method ● Setting the Measurement condition Input such parameters as sample volume, concentration of the standard solution, Vol- ume 1 of the additive standard solution, Vol- ume 2 of the additive standard solution, and Ion valency.
  • Page 92 Add the Sample 1 to the standard solution. Press the MEAS key. The AutoHold measurement starts. Blinking When the indication stabilizes, the HOLD indication lights up. Add the Sample 2 to the standard solution. Pressing the ESC key clears the HOLD status. F-52, 53, 54, 55...
  • Page 93 Chapter 5 Ion Measurement (F-53,55) 5.3 Measurement Using Standard Addition Method Press the MEAS key. The AutoHold measurement starts. Blinking When the indication stabilizes, the HOLD indication starts blinking. When the measurement is completed, the concentration of the sample solu- tion will display in the screen.

  • Page 94: Changing Measurement Setup Conditions

    SUREMENT option. Press ← or → key and select either AFTER CAL or INCREMEN- TAL. Press F4 (RETURN). Selecting the AFTER CAL option returns to the Measurement screen. Selecting the INCREMENTAL option displays the further setting screen. F-52, 53, 54, 55...
  • Page 95 Chapter 5 Ion Measurement (F-53,55) 5.4 Changing Measurement SETUP Conditions ● Temperature Compensation There are two temperature compensation methods available; one is the automatic temperature compensation (ATC) and the other the manual temperature compensation (MTC). For the ATC, the temperature of the solution is sensed by the temperature sensor built-in the electrode and then the temperature is compensated.
  • Page 96 In the ION SETUP screen, press ↑ or ↓ key and select the UNIT option. Press ← or → key to select either g/L or mol/L. Press F4 (RETURN) to reflect the setting. The display returns to the Measure- ment screen. F-52, 53, 54, 55...
  • Page 97 Chapter 5 Ion Measurement (F-53,55) 5.4 Changing Measurement SETUP Conditions ● Changing the electrode model When the Ion model is set, the Ion type automatically changes. For each Ion type, the unit and the calibration information is memorized. In the ION SETUP screen, press the ELECTRODE MODEL option.
  • Page 98 Chapter 5 Ion Measurement (F-53,55) 5.4 Changing Measurement SETUP Conditions Press F4 (RETURN) to return to the ION SETUP screen. Press F4 (RETURN) to reflect the setting and returns to the Measure- ment screen. F-52, 53, 54, 55...
  • Page 99 Chapter 5 Ion Measurement (F-53,55) 5.4 Changing Measurement SETUP Conditions ● Setting alarms The alarm function detects the measured value out of the upper or lower limit value, and either displays them on the screen or outputs them from the external output terminals. The values out of the limit value are displayed in the different color on the screen.
  • Page 100 100.0 ℃ The ion valency displayed at this time have no relation with the check. When all the check is completed, the result is displayed. When all the check is completed, the result is automatically output. F-52, 53, 54, 55...
  • Page 101 Chapter 5 Ion Measurement (F-53,55) 5.4 Changing Measurement SETUP Conditions ① ② ③ ④ ⑤ ① Date of check completed ● ② Judgment: OK/CHECK ● ③ Calibration by standard solution ● ④Linearity check: regulated indication error by each input:±3.0％±1digit of the ●...

  • Page 102: Check Display

    Pressing F4 (PRINT) prints the check data. Check data display In ION CHECK screen, press F3 (CHECK DATA). The data is displayed. When the printer is connected, the function display of F4 shows “PRINT.” Pressing F4 (PRINT) prints the check data. F-52, 53, 54, 55...
  • Page 103 Chapter 5 Ion Measurement (F-53,55) 5.5 Check Display HORIBA...

  • Page 104: Measurement(F-54,55)

    In the Measurement screens of pH, mV, or ION for F-54 and F-55, press F4 (SELECT CH) to first change the screen to CH2 pH MEASUREMENT and then proceed to the COND Measurement screen. F-52, 53, 54, 55...

  • Page 105: Cell Constant Setting

    Chapter 6 CONDUCTIVITY MEASUREMENT(F-54,55) 6.2 Cell Constant Setting Cell Constant Setting The cell constant can be input. Press the CAL key in the Measure- ment screen. A window appears, and the COND cell constant can be input. Press ↑ or ↓ key and set the cell constant displayed on the elec- trode.

  • Page 106: Conductivity Measurement

    MEAS key should show the instantaneous measurement value. In the COND Measurement screen, press the MEAS key. The AutoHold measurement starts. Blinking When the indication stabilizes, the HOLD indication starts blinking, and the measurement result is displayed. F-52, 53, 54, 55...

  • Page 107: Measurement Setting Change

    Chapter 6 CONDUCTIVITY MEASUREMENT(F-54,55) 6.4 Measurement Setting Change Measurement Setting Change In the COND Measurement screen, press F1 (COND SETUP) to go to the COND SETUP screen. 6.4.1 Unit selection In the COND SETUP screen, press ↑ or ↓ key to select the UNIT, and press ←...

  • Page 108: Temperature Compensation

    Press the ENTER key. The setting is determined, and the dis- play color of the setting part changes. Press F4 (RETURN). The setting is reflected, and the dis- play returns to the COND Measure- ment screen. F-52, 53, 54, 55...

  • Page 109: Temperature Conversion Coefficient

    Chapter 6 CONDUCTIVITY MEASUREMENT(F-54,55) 6.4 Measurement Setting Change 6.4.3 Temperature conversion coefficient The conductivity of the solution changes according to the solution temperature. To compare the solution conductivity, it is necessary either to perform the measurement in a certain tem- perature or to measure the solution by converting the temperature to the standard temperature.

  • Page 110: Electrode Model Change

    Press ↑ , ↓ and/or ← , → keys, input appropriate letters/numerical keys, and press the ENTER key. Determine the setting by F4 (RETURN). The COND SETUP screen appears. Press F4 (RETURN). The input model is registered. F-52, 53, 54, 55...

  • Page 111: Electrode Lot Change

    Chapter 6 CONDUCTIVITY MEASUREMENT(F-54,55) 6.4 Measurement Setting Change 6.4.5 Electrode lot change By inputting the electrode Lot, the data print- out (detailed) and/or data memory can con- tain the electrode Lot information. In the COND SETUP screen, move the cursor to the electrode Lot. change the field by ↑...

  • Page 112: Alarm Setting

    The setting is determined, and the display color of the setting part changes. Press F4 (RETURN). The setting is reflected, and the display returns to the Measurement screen. The set value is automatically switched to the appropriate auxiliary unit. F-52, 53, 54, 55...

  • Page 113: Periodical Check Of Cond

    Chapter 6 CONDUCTIVITY MEASUREMENT(F-54,55) 6.5 Periodical Check of COND Periodical Check of COND Use the optional Checker X-52 and input the value to the meter, to perform the functional check. Refer to the Instruction Manual for the Checker X-52 before the operation. Before starting the inspection, set the unit to S/m and the cell constant to 1.000 ×...
  • Page 114 Linearity check result Check date Judgment Judgment of linearity check Value of each check item Criteria: ± 0.5% ± 1digit of the full scale At input of 10.00 S/m, ± 1.5% ± 1digit of the full scale F-52, 53, 54, 55...
  • Page 115 Chapter 6 CONDUCTIVITY MEASUREMENT(F-54,55) 6.5 Periodical Check of COND Temperature check result Indication error by each input (regulated value ± 0.4 ℃ ).   When the judgment of “CHECK” is displayed, assure the connection and repeat the check. When the error repeatedly occurs, ask further inspection for the meter and the checker through the sales shop you have purchased the meter.

  • Page 116: Check/Calibration Data Display

    When the calibration for the cell constant is completed, the date is also displayed. Changing the cell constant without calibra- tion does not change the date. The date is renewed only when the calibration is per- formed. F-52, 53, 54, 55...

  • Page 117: Chapter 7 Salinity Measurement

    Chapter 7 SALINITY MEASUREMENT (F-54,55) 7.1 Operation of Salinity Measurement Chapter 7 SALINITY MEASUREMENT (F-54,55) The salinity concentration is calculated from the measured value of conductivity. This is why when the cell constant is set by conductivity measurement, there is no need to input the cell constant.

  • Page 118: Salinity Calibration

    When the calibration is completed, the selected Salt Calibration Coefficient is set. Press the MEAS key to return to the Measurement screen. ● Calibration data display In the SALT CALIBRATION screen, press F3 (CAL DATA). The calibration data is displayed. F-52, 53, 54, 55...

  • Page 119: Changing The Measurement Setting Conditions

    Chapter 7 SALINITY MEASUREMENT (F-54,55) 7.3 Changing the Measurement Setting Conditions Changing the Measurement Setting Conditions 7.3.1 Opening the SALT RSISTANCE SETUP screen In the SALT Measurement screen, press F1 (SALT SETUP). The SALT RESISTANCE SETUP screen appears. 7.3.2 Setting alarms The alarm function detects the measured value out of the upper or lower limit value, and either displays them on the screen or...
  • Page 120 Setting range: 0.00 to 4.00% Press the ENTER key. The setting is determined, and the dis- play color of the set part changes. Press F4 (RETURN). The setting is reflected, and the dis- play returns to the Measurement screen. F-52, 53, 54, 55...

  • Page 121: Check

    Chapter 7 SALINITY MEASUREMENT (F-54,55) 7.4 Check Check There is no check mode for the salinity mea- surement. Check the meter by SYSTEM CHECK for COND. HORIBA...

  • Page 122: Measurement(F-54, 55)

    F-54 and F-55, press F4 (SELECT CH) to select CH2. Press the MEAS key. The HOLD measurement starts. Blinking When the indication stabilizes, the dis- play “HOLD” lights up and the mea- surement result is displayed. F-52, 53, 54, 55...

  • Page 123: Setting Configuration

    Chapter 8 RESISTIVITY MEASUREMENT(F-54, 55) 8.2 Setting Configuration Setting Configuration ● Setting resistivity alarm Resistivity alarm detects if the measured val- ues are out of upper or lower limit values, and displays them on the screen or outputs them as signals from the external output ter- minals.
  • Page 124 The setting is determined, and the display color of the set part changes. Press F4 (RETURN). The setting is reflected, and the display returns to the Measurement screen. ● Check mode The resistivity does not support the check mode function. F-52, 53, 54, 55...
  • Page 125 Chapter 8 RESISTIVITY MEASUREMENT(F-54, 55) 8.2 Setting Configuration HORIBA...

  • Page 126: Chapter 9 Data Memory

    To use Manual memory function, press ← or → key and select OFF. Press F4 (RETURN). The setting is reflected, and the display returns to the SETUP screen. Press MEAS key. The display returns to the pH Measurement screen. F-52, 53, 54, 55...
  • Page 127 Chapter 9 DATA MEMORY 9.1 Setting Memory Type ● Interval memory After step 4. on page 113, follow the steps below to set the interval time: Press the ENTER key. The cursor moves to the time setting field. Press the ENTER key again. The color of the set part changes;...

  • Page 128: Performing Data Memory

    Repeat step 2. to step 3., and input the sample ID. When the input is completed, press F4 (DATA MEMORY). The measurement data is memorized. When the sample ID is not necessary, press DATA MEMORY F4 ( ) without any input. F-52, 53, 54, 55...

  • Page 129: Calling Up Memory Data

    Chapter 9 DATA MEMORY 9.3 Calling up Memory Data Calling up Memory Data 9.3.1 Display from memory data The memorized data is selected and dis- played on the screen. In the Measurement screen, press F2 (DATA OUT). The data calling screen appears, and the list of memorized data is dis- played.

  • Page 130: Searching Memory Data

    The sample ID input screen appears. Press ↑ or ↓ key, select appropri- ate letters (alphabetical and numerical), and press ENTER key. The selected letters are input. Repeat step 2., and input the Sam- ple ID to be searched. F-52, 53, 54, 55...
  • Page 131 Chapter 9 DATA MEMORY 9.3 Calling up Memory Data Press F4 (SEARCH). The searched result is displayed. To delete the memorized data, perform data memory deletion by referring to " CLEAR DATA MEMORY" page 142. HORIBA...

  • Page 132: Chapter 10 Security Setup

    In user control functions, the configuration of each setting item is as follows: Admin Item Operator istrator Meter setting ○ ○ Date/Time setting ○ Maintenance ○ Compact flash setting ○ ○ （Applicable only for F-53, 54, 55） Network setting ○ ○ （Applicable only for F-55） ○ Security setting F-52, 53, 54, 55...

  • Page 133: Security Setup Screen

    Chapter 10 SECURITY SETUP 10.1 SECURITY SETUP screen 10.1 SECURITY SETUP screen Press ESC key on the Measure- ment screen. The SETUP screen appears. Press ↑ or ↓ key and select the SECURITY SETUP option. Press the ENTER key. The SECURITY SETUP screen appears.

  • Page 134: Operation In Security Setup Screen

    Repeat the above step 3. to step 4., and complete necessary options to set /perform. When the setting is completed, press F4 (RETURN). The setting is reflected. Pressing the ESC key returns to the SETUP screen. F-52, 53, 54, 55...

  • Page 135: Setting/Performing Each Option

    Chapter 10 SECURITY SETUP 10.3 Setting/Performing each option 10.3 Setting/Performing each option 10.3.1 User management Setting the USER MANAGEMENT selection option to ON will require the Operator name in starting up the system. Also such setting configuration as date setting, security setting change, data memory deletion in maintenance setting, and/or reset operation for factory shipping will be only available to the Administrator.

  • Page 136: Password Letter Number

    Setting range: 1 to 99 Press the ENTER key. The setting is determined. To make the setting invalid: With the PASSWORD RESTRICTION option selected, press ← or → key, and select OFF. Press the ENTER key. The setting is made. F-52, 53, 54, 55...

  • Page 137: Lockout Count Reset

    Chapter 10 SECURITY SETUP 10.3 Setting/Performing each option 10.3.5 Lockout count reset The lockout count reset can set the limit time for the lockout to be reset when the erroneous passwords are input more than the times set at Password Limit. With the LOCKOUT RESET option selected, press the ENTER key.

  • Page 138: Operator Registration Change

    Pressing F3 deletes one letter. Maximum 12 letters can be input. When the input is completed, press F4 (NEXT). The INPUT PASSWORD menu appears. Press ← , ↑ or ↓ , → key, and select the numeric letters. F-52, 53, 54, 55...
  • Page 139 Chapter 10 SECURITY SETUP 10.3 Setting/Performing each option Press ENTER key and input the numeric letters. Repeat the above step 6. to step 7., and input the password. When the input is completed, press F4 (RETURN). The new user is registered, and the OPERATOR REGISTRATION menu appears.
  • Page 140 DELETION OF OPERATOR option. Press the ENTER key. The confirmation window (for the operator deletion) appears. Press F4 (CONFIRM). The operator is deleted, and the OPERATOR REGISTRATION screen is displayed. To cancel the operation, press F1 (CANCEL). F-52, 53, 54, 55...
  • Page 141 Chapter 10 SECURITY SETUP 10.3 Setting/Performing each option ● Registration and deletion of Administrator The registered Operator’s authority can be switched on the OPERATOR REGISTRA- TION screen. The Operator registered as Administrator becomes the normal Operator, and the Press ↑ or ↓ key, and select the Operator registered as normal becomes Operator which authority is to be Administrator.

  • Page 142: Chapter 11 Meter Setting

    SETUP screen. When the User Control is set to ON, turning the power ON moves the display to the SELECT OPERATOR screen after the startup screen appears. "10.3.1 User management" page 122 F-52, 53, 54, 55...

  • Page 143: Setup Screen Menu

    Chapter 11 METER SETTING 11.1 SETUP Screen 11.1.1 SETUP screen menu The SETUP screen menu is specific on each meter model. SETUP screen for F-52 SETUP screen for F-53 SETUP screen for F-54 SETUP screen for F-55 Item Description SYSTEM SETUP...

  • Page 144: System Setup

    In the SYSTEM SETUP screen, press ↑ or ↓ key and select DISPLAY option. Press ← or → key and select the display pattern (DIGITAL/GRAPH/ANALOG). Press F4 (RETURN). The setting is reflected, and the display returns to the SETUP screen. F-52, 53, 54, 55...
  • Page 145 Chapter 11 METER SETTING 11.2 System setup ● Sample display of the Measurement screen The sample display for each screen is as fol- lows: “DIGITAL” display This is the standard screen display. Screens are normally displayed in this pat- tern (except for the Measurement screen). “GRAPH”...

  • Page 146: 2Ch Display (F-53,54,55)

    OFF: 1CH indicated The setting is reflected, and the dis- play returns to the SETUP screen. Pressing F4 (SELECT CH) in the Measurement screen will switch the channel for the main display with the lower screen. Electrode status F-52, 53, 54, 55...

  • Page 147: Autohold Setting

    Chapter 11 METER SETTING 11.2 System setup 11.2.3 AutoHold setting AutoHold setting is the function in which the meter judges the potential stability to assure the measurement values. As the stability condition, five types of setting mode are available. The AutoHold condition for calibration and inspection should become Standard in regardless of the selected mode option.
  • Page 148 The display color for the set part changes, and the values can be input by ↑ or ↓ key. Setting range: 2 to 999 (sec) Press F4 (RETURN). The setting is reflected, and the display returns to the SETUP screen. F-52, 53, 54, 55...

  • Page 149: Interval Memory Function (Setting Automatic Data Memory)

    Chapter 11 METER SETTING 11.2 System setup 11.2.4 Interval memory function (Setting automatic data memory) The measured data can be stored for every set time interval. When it is set to OFF, the data can be manually stored by selecting Data Memory of the func- tion keys at any time.

  • Page 150: Language Selection

    ↑ or ↓ key and select SOUND option. Press ← or → key and select either ON or OFF. Press F4 (RETURN). The setting is reflected, and the dis- play returns to the SETUP screen. F-52, 53, 54, 55...

  • Page 151: Date Setting

    Chapter 11 METER SETTING 11.3 Date setting 11.3 Date setting The time, date, and year for the clock incor- porated in the system can be set. In the SETUP screen, press ↑ or ↓ key and select the DATE AND TIME SETUP option.

  • Page 152: Maintenance Setting

    Repeat step 3. and step 4. above, and complete setting and/or exe- cution of the necessary options. When all the setting/execution is completed, press F4 (RETURN). The setting is made. Pressing the ESC key returns to the SETUP screen. F-52, 53, 54, 55...
  • Page 153 Chapter 11 METER SETTING 11.4 Maintenance Setting ● Setting/Execution of each item BRIGHTNESS OF DISPLAY Adjust the screen brightness as follows. Press ← or → key and adjust the backlight brightness. Pressing ← key makes the screen brighter, whereas pressing → key darkens the screen.
  • Page 154 0V/2V. Press the ENTER key to assure the output. When the confirmation and/or adjustment is completed, press F1 (CANCEL). The display returns to the MAINTE- NANCE screen. F-52, 53, 54, 55...
  • Page 155 Chapter 11 METER SETTING 11.4 Maintenance Setting BACK LIGHT OFF TIME The transfer time can be set. This is the time duration until the backlight is extinguished with no key operation. Press the ENTER key. The setting is now available. Press ↑...
  • Page 156 When the temperature sensor is not connected, this function does not work properly. Temperature sensor calibration for CH2 （F-53,54,55） The indication value for the temperature sensor connected to CH2 can be adjusted. For operation, refer to the above, “Temperature sensor calibration for CH1”. F-52, 53, 54, 55...

  • Page 157: Compact Flash Setting （ F-53, 54, 55

    Chapter 11 METER SETTING 11.5 Compact Flash Setting （ F-53, 54, 55） 11.5 Compact Flash Setting （ F-53, 54, 55） This section explains the compact flash operation. The typical use of the compact flash function is as follows: Memory data can be read into the compact flash card. Reading this data with the ●...

  • Page 158: Compact Flash Operation

    The data number left unwritten is indicated in the lower left of the screen. Turning ON and OFF during the access will write only those data recorded up to when the key is pressed. The data having the same date and measurement items will be overwritten. F-52, 53, 54, 55...

  • Page 159: Data Acquisition To Pc

    Chapter 11 METER SETTING 11.5 Compact Flash Setting （ F-53, 54, 55） WRITE OPERATOR INFORMATION Information such as Operator names or currently set configuration is copied onto the compact flash card. Personal data can be written only for one person per each CF card. Press the ENTER key.

  • Page 160: User Control Function

    OFF The personal data, once written into the compact flash card, can read the data (oper- ator name, meter configuration items, each setup item) at the next startup only by insert- ing the compact flash card. F-52, 53, 54, 55...

  • Page 161: Network Setting (F-55)

    Chapter 11 METER SETTING 11.6 Network Setting (F-55) 11.6 Network Setting (F-55) The network setting requires knowledge on network administration.When setting other than the standard configuration is necessary, or when a rooter or a hub should be used, consult with the network administrator.
  • Page 162 The NETWORK SETUP screen appears. Press ← or → key and select the option to be set. Press ↑ or ↓ key to set the value. When the setting is completed, press F4 (RETURN). The setting is made. F-52, 53, 54, 55...

  • Page 163: Operator Selection

    Chapter 11 METER SETTING 11.7 Operator Selection 11.7 Operator Selection When the User Control is set to OFF and when no operator is selected, this function is avail- able. When the User Control is set to ON, the operator can be selected only at the meter startup. In the SETUP screen press ↑...

  • Page 164: Fda Part 11 Function (Audit Trail) (F-55)

    Ethernet output of the F-55 is required. For the software supporting FDA 21 CFR Part 11, ask your HORIBA representative. We will offer a quotation according to the network configuration and/or use environment. F-52, 53, 54, 55...
  • Page 165 Chapter 11 METER SETTING 11.8 FDA Part 11 Function (Audit Trail) (F-55) HORIBA...

  • Page 166: Chapter 12 Rs-232C Communication

    Connect the meter and the PC by the exclusive cable. Turn the PC power ON. Turn ON the power for the meter. To transmit the signal from the PC, prepare a terminal software as the Hyperterminal. F-52, 53, 54, 55...

  • Page 167: List Of Serial Command

    The alarm contents cannot be cleared by the serial command. The alarm can be cleared ● only by checking the countermeasures, pressing the NAVI key in the Offline mode. Some alarms output during calibration may be cleared by performing the calibration again and the calibration ends successfully.
  • Page 168 9: Conductivity, 10: Salinity, 11: Resistivity Data unit Ion: 0: mol/L, 1: g/L Conductivity: 0: S/cm, 1: S/m Resistivity: 0: Ω ・ cm, 1: Ω ・ m Auxiliary unit 0: none, 1: μ, 2: m, 3: k, 4: M F-52, 53, 54, 55...
  • Page 169 Chapter 12 RS-232C Communication 12.4 List of Serial Command ● On-Line Operation Commands(1) Format Header, Item code, Parameter <CR><LF> Command Command Description of Parameter Note for... parameter Comma Header nd code ON → ON, OFF → OFF: The state On-line/ 0: On-line off-line 1: Off-line...
  • Page 170 Data clear This command clears the data retained in the memory. Data IN Start the interval memory when the specification interval memory is set to ON. When set to OFF, manual data memory is applied. F-52, 53, 54, 55...
  • Page 171 Chapter 12 RS-232C Communication 12.4 List of Serial Command Cancel inter- Effective only during the interval mem- val memory Select chan- x: channel number nels With a model that has two input channels, the calibration command is effective only on the main channel. HORIBA...
  • Page 172 ● Data setting command (2) Format Header, Item code, Parameter <CR><LF> Command Command Description of Parameter Note for... parameter Comma Header nd code Clock data yyyy,mm,d yyyy: Year setting d,hh,nn mm: Month dd: Day hh:Hours nn: Minutes F-52, 53, 54, 55...
  • Page 173 Chapter 12 RS-232C Communication 12.4 List of Serial Command ● Data request command (1) Format Header, Item code, Parameter <CR><LF> Command Command Parameter Parameter Response Note for... description Comma Header nd code pH calibra- x: channel number RPC,zzzzzzzzzzzz zzzzzzzzzzzz: tion history ,x,a,b,c,dddddd,e, Operator name request...
  • Page 174 Potential uuuuuu: Sensibility Repeats calibration points only after cali- bration date. Check data before use is added if any. Clock data ROT,yyyy,mm,dd,h yyyy: Year request h,nn,ss mm: month dd: Day hh: Hours nn: minutes ss: Seconds F-52, 53, 54, 55...
  • Page 175 Chapter 12 RS-232C Communication 12.4 List of Serial Command ● Data request command (3) Format Header, Item code, Parameter <CR><LF> Command Command Parameter Parameter Response Note for... description Comma Header nd code x: channel number RMD,aaaaaaaaaa aaaaaaaaaaaa: Measure- aa,bbbbbbbbbbbb, Operator name ment request cc,e,f,g,ii, bbbbbbbbbbbb:...
  • Page 176 0: At no alarm) Electrode set x: channel number RDN,x,y,zz,aaaaaa x: channel number value y: Composition aaaaaa,bbbbbbb y: Composition request (0: pH 1: ION zz: ion type 2: COND) aaaaaaaaaaaa: Electrode type bbbbbbb: Lot No. F-52, 53, 54, 55...
  • Page 177 Chapter 12 RS-232C Communication 12.4 List of Serial Command Command Command Parameter Parameter Response Note for... description Comma Header nd code COND cali- x: channel number RCC,zzzzzzzzzzzz zzzzzzzzzzzz: bration his- ,x,a,b,c,yyyy,yy,yy, Operator name tory request yy,yy,yy,ppppp,qqq x: channel number q,r,sssss a: number of cali- brated points Response when...
  • Page 178 (model) 0 ｘ 00000400: Cell constant outside range (conductivity, salinity, resistivity) The error is indicated by a hexadecimal number. When two or more errors have occurred, the incremental number that shows all the errors is indicated. F-52, 53, 54, 55...

  • Page 179: Communication Example Using The Hyperterminal

    Chapter 12 RS-232C Communication 12.5 Communication example using the HyperTerminal 12.5 Communication example using the HyperTerminal ● Confirming the online To check the Online condition, transmit the command from PC as follows after connecting correctly. Display the pH Measurement screen. Now, the online command can be accepted.

  • Page 180: 12.5 Communication Example Using The Hyperterminal

    If you input a command, the corresponding response data is sent back. Command input should be completed within 10 seconds. Be sure to set the meter to the Online mode using the online/offline command at first. Windows® is a registered trademark of Microsoft Corporation. F-52, 53, 54, 55...

  • Page 181: Chapter 13 Analog Output

    From the output terminal at the rear of meter, the voltage output for the measurement values and temperature data, and the open drain output for the alarm set can be obtained. The analog (alarm) output cable is optional. ● F-52 Terminal Connection cable...
  • Page 182 CH2 Ground CH2 Temperature White CH2 measure- ment data For alarm Shield Alarm ground CH1 alarm White CH2 alarm Analog output terminal Serial communication connector BNC connector Alarm Exclusive cable for analog output Shield White Red F-52, 53, 54, 55...

  • Page 183: Analog Output Range

    Chapter 13 ANALOG OUTPUT 13.2 Analog Output Range 13.2 Analog Output Range The resolution of the analog output is 1 mV. Measured Measured value Unit Output Conversion method object 0.000 to 14.000 0 to 1400 mV (100 mV/1pH) 0 ± 1999.9 0 ±...
  • Page 184 -1000 to -500 mV - 1000 -1500 to -1000 mV Measurement value × 2.5 × 2.00 to 19.99(*4) μS/cm - 1500 -2000 to -1500 mV Measurement value × 2.5 × 0.000 to 1.999 μS/cm - 2000 F-52, 53, 54, 55...
  • Page 185 Chapter 13 ANALOG OUTPUT 13.2 Analog Output Range Measured Measured value Unit Output Conversion method object Measurement value × 2.5 × Resistivity 0.200 to 1.999 1500 to 2000 mV MΩ•m + 1500 Measurement value × 2.5 × In Ω•m 20.0 to 199.9 1000 to 1500 mV kΩ•m + 1000...

  • Page 186: Alarm Output

    Chapter 13 ANALOG OUTPUT 13.3 Alarm Output 13.3 Alarm Output The alarm output is open drain output (15V, less than 20 mA). When the alarm is triggered, the output is ON. F-52, 53, 54, 55...
  • Page 187 Chapter 13 ANALOG OUTPUT 13.3 Alarm Output HORIBA...

  • Page 188: Chapter 14 Printer

    ④ When the printout is executed in the Calibration mode ● ⑤ When the printout is executed in the REPEATABILITY mode ● ⑥ When test printing is selected while in the Maintenance mode, a test is printed. ● F-52, 53, 54, 55...

  • Page 189: Cautionary Items

    Chapter 14 PRINTER 14.2 Cautionary items 14.2 Cautionary items Connect your printer only after turning OFF the power to the main unit of the pH ● meter. Connecting the printer with powered may break the meter and devices. Connect the meter with the printer only with the exclusive cable. ●...

  • Page 190: Sample Printout

    EXACT printout When the data in the one con- firmed with AutoHold, “Stable” is shown. Nothing is displayed for the instantaneous value measure- Operator name: max. 12 letters ment. ID#: max 12 letters MFG: max 7 letters F-52, 53, 54, 55...
  • Page 191 Chapter 14 PRINTER 14.4 Sample Printout ● ION Measurement mode Temperature compensation setting Unit: EXACT printout At Manual mode: MTC g/L, mg/L, μg/L, moll/L, mmol/L, μmol/L At Auto mode: ATC BRIEF printout When the data in the one con- firmed with AutoHold, “Stable” is shown.
  • Page 192 BRIEF output When the data in the one con- firmed with AutoHold, “Stable” is shown. Nothing is displayed for the instantaneous value measure- Operator name: max. 12 letters ment. MFG: max. 7 letters ID#: max. 12 letters F-52, 53, 54, 55...

  • Page 193: When The Manual Data Memory Is Performed In The Measurement Mode

    Chapter 14 PRINTER 14.4 Sample Printout 14.4.2 When the manual data memory is performed in the Measure- ment mode The printer prints the data memory No. in the first line and the data in accordance with the format same with the one in"14.4.1 When the ENTER key is pressed in the Measurement mode"...

  • Page 194: Printout In Cal Mode

    EXACT printout played No calibration/1-point calibra- tion: None 2-point calibration: 1st item 3-point calibration: 2nd item 4-point calibration: 3rd item 5-point calibration: 4th item Displayed from acid side Std.solution and potential: ● Up to 5-point CAL F-52, 53, 54, 55...
  • Page 195 Chapter 14 PRINTER 14.4 Sample Printout ● Printout in ION CAL mode (without repeatability check data) Electrode status: OK: Calibration is performed BRIEF printout Sensitivity display Standard solution value is dis- EXACT printout played No calibration/1-point calibra- tion: None 2-point calibration: 1st item 3-point calibration: 2nd item Std.solution and poten- 4-point calibration: 3rd item...
  • Page 196 Chapter 14 PRINTER 14.4 Sample Printout ● Printout in COND CAL mode Electrode status: OK: Calibration is performed BRIEF printout EXACT printout ● Printout in SALT CAL mode Electrode status: OK: Calibration is performed BRIEF printout EXACT printout F-52, 53, 54, 55...

  • Page 197: Printout In Check Mode

    Chapter 14 PRINTER 14.4 Sample Printout 14.4.5 Printout in CHECK mode ● pH CHECK (JIS mode） Electrode status: “OK” “CHECK” “ERROR” BRIEF printout EXACT printout HORIBA...
  • Page 198 Chapter 14 PRINTER 14.4 Sample Printout ● pH CHECK (NIST mode） Electrode status: “OK” “CHECK” BRIEF printout EXACT printout F-52, 53, 54, 55...
  • Page 199 Chapter 14 PRINTER 14.4 Sample Printout ● pH CHECK (SIMULATOR mode） Meter status “OK” “CHECK” BRIEF printout EXACT printout HORIBA...
  • Page 200 Chapter 14 PRINTER 14.4 Sample Printout ● ION CHECK (SIMULATOR mode） Meter status “OK” “CHECK” BRIEF printout EXACT printout F-52, 53, 54, 55...
  • Page 201 Chapter 14 PRINTER 14.4 Sample Printout ● COND CHECK (SIMULATOR mode） Meter status: “OK” “CHECK” BRIEF printout EXACT printout HORIBA...

  • Page 202: Chapter 15 Maintenance And Troubleshooting

    After making measurements, wash the electrode using pure water (de-ionized water), wipe off water from the electrode with filter or tissue paper, and store it with its cap placed on. The liquid junction may be clogged if the electrode is left in distilled water or the like. F-52, 53, 54, 55...
  • Page 203 Chapter 15 Maintenance and troubleshooting 15.1 Maintenance ● Extended storage When an electrode is not to be used for a long period of time, store the electrode after per- forming the following procedure. Also, exchange the standard solution every three to six months, using the step explained below.
  • Page 204 If the solution inside the protective cap for the electrode has dried up and the electrode has not been used for an extended period of time, the response speed of the electrode may have slowed and its sensitivity may have decreased. F-52, 53, 54, 55...
  • Page 205 Chapter 15 Maintenance and troubleshooting 15.1 Maintenance ● Washing electrodes If the tip of the pH electrode is extremely dirty, the speed of its response may slow and it may cause errors in measurement. If the electrode is so dirty that it cannot be cleaned by rinsing with pure (de-ionized) water, wash the electrode using the method below that is most appro- priate.

  • Page 206: Ion Electrode Maintenance

    Change in the electric potential of the electrode (25ºC) when the ion concentration is changed by a factor of 10. The above electrodes are subject to change without notice. Maintenance of the ion electrodes listed in the above table begins, on next page. F-52, 53, 54, 55...
  • Page 207 Chapter 15 Maintenance and troubleshooting 15.1 Maintenance ● Before use Before using an electrode, condition the electrode according to the following table, to prepare it for measurement. Ion electrode Conditioning agent Time No conditioning ion electrode ion electrode 1 mol/L potassium nitrate Approx.
  • Page 208 Stand the electrode vertically on a desk or other horizontal surface, with the bottom of the electrode (the side with the rubber cap) facing down. Push the electrode down two or three times, to make the standard solution seep out through the liquid junction. F-52, 53, 54, 55...
  • Page 209 Chapter 15 Maintenance and troubleshooting 15.1 Maintenance Liquid junction part Rubber cap Filling internal solution (inner tube) The inner tube of the electrode is of an air-tight construction that allows almost no outflow. Replace the internal solution (inner tube), however, when the electrode has been used for a long period of time and only half or less of the internal solution (inner tube) remains.
  • Page 210 Make the internal solution seep out from the liquid junction in accordance with the section entitled " Daily maintenance" page 195. Store the electrode in accordance with the section entitled " ● Short-term stor- age" page 194. F-52, 53, 54, 55...
  • Page 211 Chapter 15 Maintenance and troubleshooting 15.1 Maintenance Cable Rubber sleeve Electrode cap Connector cover Spring Electrode connector Rubber seal for internal solution O-ring filler port (external cylinder) Silicon tube Rubber seal for Body 2 internal solution filler port Tip-type (internal cylinder) ion electrode Body 1 Rubber cap...

  • Page 212: Conductivity Electrode Maintenance

    Wash the inside of the electrode protective cap with pure water, then, after shaking out the water, fill the cap with enough pure water to soak the sponge. Place the electrode protective cap on the electrode. F-52, 53, 54, 55...

  • Page 213: Troubleshooting

    Chapter 15 Maintenance and troubleshooting 15.2 Troubleshooting 15.2 Troubleshooting This type of meter is equipped with a simply error-message function to notify the operator that an operation error or problem with the equipment has occurred. Errors or other problems that occur while in the MEASUREMENT mode are announced by an “error No.” appearing in the lower left-hand corner of the display.
  • Page 214 HORIBA service station. The internal IC is defective. ● ERR No.02 The battery voltage is low Explanation The battery has insufficient voltage. Cause How to solve problem The battery voltage Replace the dry-cell battery. is low. F-52, 53, 54, 55...
  • Page 215 Chapter 15 Maintenance and troubleshooting 15.2 Troubleshooting ● ERR No.03 The electrode will not stabilize Explanation The electric potential did not stabilize within three minutes. Cause How to solve problem This is caused by the Press the MEAS key again while “HOLD” is effect of the sample either flashing or steadily lit in the display, to solution (when the...
  • Page 216 The electrode is not Connect the electrode correctly. connected correctly. Electrode is not sub- Immerse the electrode in the sample, to at merged deeply enough least three centimeters beyond the electrode to cover reference tip. junction. F-52, 53, 54, 55...
  • Page 217 Chapter 15 Maintenance and troubleshooting 15.2 Troubleshooting ● ERR No.06 Abnormal calibration point Definition 6th point calibration was tried. Cause How to solve problem 6th point calibration Regulate the calibration up to 5 points. was executed. This error message is released by setting the pH meter to measurement mode.
  • Page 218 ● ERR No.10 Data memory over Definition The number of data items has exceeded the limit of the memory. Cause How to solve problem Memory over Delete data stored in the memory confirming their contents. F-52, 53, 54, 55...
  • Page 219 Chapter 15 Maintenance and troubleshooting 15.2 Troubleshooting ● ERR No.11 Cell constant out of range Definition The cell constant is out of the range of 0.7 to 1.3. Delete data stored in the memory con- firming their contents. Cause How to solve problem COND electrode is at Replace the electrode.
  • Page 220 ● ERR No.16 Ethernet timeout Definition Abnormality occurs in Ethernet during communication. Cause How to solve problem Faulty Ethernet con- Check the connection and setting of the net- nection or setting dur- work. Check the PC software. ing communication F-52, 53, 54, 55...

  • Page 221: More Troubleshooting

    Chapter 15 Maintenance and troubleshooting 15.2 Troubleshooting 15.2.2 More troubleshooting This section explains how to respond to vari- ous symptoms of trouble that are not indi- cated by an error number. ● Nothing shows up on the display when the power is turned ON Cause How to solve problem AC adaptor is not...
  • Page 222 The responsive Replace the electrode. membrane is dam- aged or worn out. There is a problem Fill the electrode with new standard solution, with the standard as noted in the electrode solution. operation manual. F-52, 53, 54, 55...
  • Page 223 Chapter 15 Maintenance and troubleshooting 15.2 Troubleshooting ● The indicated value does not change/There is absolutely no response Cause How to solve problem The electrode con- Turn the power OFF, then turn it back ON nector is not again. attached correctly. The electrode is Replace the electrode.
  • Page 224 If the flaching measured value disappears when this done, the meter is nomal. ● Key operation is invalid. Cause How to solve problem During PC communi- Press the ON/OFF key. cation F-52, 53, 54, 55...
  • Page 225 Chapter 15 Maintenance and troubleshooting 15.2 Troubleshooting ● The temperature display is flashing. The temperature measurement exceeds the measurement range. Measurement range: -10 to 105.0ºC ● The temperature display does not change from 25ºC. Cause How to solve problem The temperature of Check the temperature of the sample solution the sample solution and change to a sample solution that has a...
  • Page 226 Administrator is register the Administrator. not registered. Administrator's pass- Reset to the settings made on the shipment word was forgotten. from the factory. Check on our website (http://www.horiba- water.com) or contact with our customer sup- port center. F-52, 53, 54, 55...
  • Page 227 Chapter 15 Maintenance and troubleshooting 15.2 Troubleshooting HORIBA...

  • Page 228: Chapter 16 Reference

    This chapter provides a simple compilation of information for people who would like to know more details about the functions of the main unit of the pH meter and other measurement prin- ciples. Also, consumables and optional parts are explained for the reference of customers. F-52, 53, 54, 55...

  • Page 229: Ph Measurement

    Chapter 16 Reference 16.1 pH measurement 16.1 pH measurement ● pH measurement and temperature The temperature of the solution being inspected is an important parameter in the accurate measurement of pH. There are many possible sources of errors during measurement, such as the state of the solution junction potential, asymmetric potential, and standard solution pH concentration, but all of these items contain factors that change with the temperature.
  • Page 230 [pH/ ℃ ] – Note that the error tends to occur when pH-temperature characteristics of the sample is not linear or when the temperature coefficient is not constant (i.e. pH value changes even in the same temperature). F-52, 53, 54, 55...
  • Page 231 Chapter 16 Reference 16.1 pH measurement ● Types of pH standard solutions When measuring pH, the pH meter must be calibrated using a standard solution. There are several kinds of standard solutions. For normal measurement, three standard solutions —with a pH of 4, 7, and 9—are sufficient to accurately calibrate the meter. pH 1.68 standard solution: Oxalate ●...
  • Page 232 Use the pH 4, 7, and 9 standard solution. Others When finding the pH of other solutions, perform 2-point or 3-point calibration using pH 2, 4, 7, 9, or 12 standard solutions randomly, then measure the test solution. F-52, 53, 54, 55...
  • Page 233 Chapter 16 Reference 16.2 Measuring mV (oxidation-reduction potential [ORP]) 16.2 Measuring mV (oxidation-reduction potential [ORP]) ● ORP principles ORP (or Oxidation-Reduction Potentialî) is an abbreviation for oxidation-reduction potential. ORP is the energy level (potential) determined according to the state of equilibrium between the oxidants and reductants that coexist within a solution.

  • Page 234: Measuring Mv (Oxidation-Reduction Potential [Orp])

    But this kind of expression does invite confusion. The majority of the world, today, is consis- tent in its use of the signs as they are used in A, above. For this reason, HORIBA, too, uses signs concerning ORP that are consistent with A, above. F-52, 53, 54, 55...
  • Page 235 Chapter 16 Reference 16.2 Measuring mV (oxidation-reduction potential [ORP]) ● ORP standard solution There are two kinds of standards substances. Under normal circumstances, it is sufficient to use only the one type of substance that is closest to the measured value. Indicated value of ORP standard solution at various temperatures (mV) 160 - 22 160 - 51...
  • Page 236 When alkaline water is allowed to stand, its ORP undergoes big changes. Always ● measure alkaline ion water promptly. F-52, 53, 54, 55...
  • Page 237 Chapter 16 Reference 16.3 Ion measurement 16.3 Ion measurement 16.3.1 Ion electrode The ion electrode responds (has an ion selectivity) to the activity (concentration) of specific ions which exist in a solution and then generates electric potential corresponding to the con- centration of those ions.

  • Page 238: Ion Measurement

    Calibration curve for univalent positive ion electrode Potential slope Ion concentration (mg/L) Fig.2 Relationship between ion concentration and electric potential F-52, 53, 54, 55...

  • Page 239: General Characteristics Of Ion Electrode

    Chapter 16 Reference 16.3 Ion measurement 16.3.3 General characteristics of ion electrode Ion species which can be measured with ion electrode The ion electrode only responds to free target ions which exist in the solution under measure- ment. If the target ions, partially or in whole, are compounds, other forms of ions, or com- plexes in the solution, a measurement error occurs.
  • Page 240 In addition, the effect of pH may lower the sensitivity of the ion electrodes or the calibration curve may horizontally shift. in order to avoid these effects, previously obtain the proper pH value and them maintain F-52, 53, 54, 55...
  • Page 241 Chapter 16 Reference 16.3 Ion measurement To make appropriate the pH value of the solution under measurement, previously prepare a pH buffer which does not interfere the ion electrode (does not contain interfering ions) and add a small amount of this buffer to the solution to be measured. For the appropriate pH range for each ion electrode, refer to the instruction manual which comes with that electrode.
  • Page 242 For the liquid mem- brane electrode, the effect of the coexistent ions which may form any ionic association with the component in the responsive membrane might become greater. F-52, 53, 54, 55...
  • Page 243 Chapter 16 Reference 16.3 Ion measurement Generally, the effect of coexistent ions on the electric potentials at the ion electrode is shown by the allowable coexistence limit. The smaller is this value, the greater is the effect. Response time The response time of ion electrodes varies depending on their types and structures as well as ion species, ion concentration, and ion strength.
  • Page 244 After measurement, well rinse the electrode with deionized water and then store it. The recommended storage manner differs depending on ion electrode types and storage periods. For further information, refer to the instruction manual which comes with each ion electrode. F-52, 53, 54, 55...
  • Page 245 Chapter 16 Reference 16.3 Ion measurement ● Troubleshooting Troubleshooting on calibration Preparation before calibration(Refer to the Check point instruction manual which comes with each electrode.) 1)Fill the reference electrode with internal liquid (replace internal 1)Maintenance of electrode liquid if dirty), rinse it, and condition it. 2)Check of standard solutions 2)Check the types and concentrations of standard solutions and 3)Check of supplies required for...
  • Page 246 3)Does the stirrer operate at proper speed? 4)Is the rubber stopper at the reference electrode open? 5)Is the internal liquid type of the reference electrode proper? 6) SI the liquid junction part of the reference electrode free from clogging? F-52, 53, 54, 55...
  • Page 247 Chapter 16 Reference 16.3 Ion measurement ● Types and Features of Applicable Electrodes (1) Ion electrode (single-pole type) Electrode model (1) Measurement range Interfering ion Applicable refer- type and ion Coexistence allowable ence electrode (2) pH allowable range types and its internal (3) Electric potential limit liquid type...
  • Page 248 , Na , K+= Silver (100 g/L Potas- more than 10000 (1 to 10 mol/L Ag sium nitrate) (Practically not interfered.) ② pH 2 to 10 (1 mg/L Ag ③ 59 mV ④ 0 to 50 ℃ F-52, 53, 54, 55...
  • Page 249 Chapter 16 Reference 16.3 Ion measurement Dia- 5002A- ① 0.1 to 1000 mg/L NH Volatile amine Because of the phragm composite type (1 to 10 mol/L NH Ammonia ion electrode, the ② Adjust to pH 12 or reference elec- more. trode is not reqi- ③...
  • Page 250 1 mol/L KCl =more than Nitrate (1 pc) (100 g/L potas- 1000 sium chloride) =300 (1 to 10 mol/L NO ② pH 3 to 7 =200 (62 mg/L NO ③ -55 mV =0.1 =0.02 (At 10 mol/L NO F-52, 53, 54, 55...
  • Page 251 Chapter 16 Reference 16.3 Ion measurement 6582-10C 7682 3.33 mol/L NaCl ① 0.04 to 39000 mg/L K , Na , Mg , Ca Potassium (1 pc) (250 g/L Sodium (1 to 10 mol/L K , Ba =more than chloride) ② pH 5 to 11 1000 (3.9 mg/L K ③...
  • Page 252 105 ºC, then cool it in a desiccator. Measure out the above-listed amount of potassium chloride into a beaker and dissolve it in distilled water. Then, pour into one liter volumetric flask and add distilled water until the indication line. F-52, 53, 54, 55...

  • Page 253: Conductivity Measuring

    Chapter 16 Reference 16.4 Conductivity measuring ● Calibration of cell constant As for the cell constant of the electrode, an officially approved value is specified in the elec- trode label. However, it may change according to the using condition, and in such cases, it is preferable to perform the calibration of the cell constant.
  • Page 254 A of 1 m and are positioned parallel to each other such that the distance l between the two plates is 1 F-52, 53, 54, 55...
  • Page 255 Chapter 16 Reference 16.4 Conductivity measuring m is used l the inverse of the resistance R of the solution (expressed in Ω) between both pole plates is the conductivity. Conductivity is defined in this way, but it changes according to the temperature of the solution.
  • Page 256 18.90 2.16 78.19 1.39 32.00 2.18 49.6 63.41 1.57 42.10 2.31 49.64 1.57 COOH 15.26 1.69 5.66 1.04 16.19 1.74 11.29 1.14 16.05 1.79 20.70 1.50 14.01 1.86 20.87 1.61 10.81 1.96 20.73 1.74 4.56 2.06 F-52, 53, 54, 55...
  • Page 257 Chapter 16 Reference 16.4 Conductivity measuring ● Salinity conversion Salt concentration indicates the salt concentration of the intended seawater based on the nor- mal seawater, converting it according to its measured conductivity and temperature. Therefore, note that all the substances detected as conductivity is indicated as salt concentra- tion.
  • Page 258 Chapter 16 Reference 16.5 Specifications 16.5 Specifications ● Measuring object for each model F-52 F-53 F-54 F-55 Description JIS form ● ● ● ● Measuring ● ● ● ● Glass electrode principle Display range ● ● ● ● pH -2.000 to 16.000 Measuring ●...

  • Page 259: Specifications

    Chapter 16 Reference 16.5 Specifications F-52 F-53 F-54 F-55 Description ● ● Resis- Measuring Conversion from conductivity value tivity principle Measuring ● ● Cell constant 100 m range 5.00 Ωm to 199.9 kΩ•m Cell constant 10 m 50.0 Ωm to 1.999 MΩ•m...
  • Page 260 Chapter 16 Reference 16.5 Specifications F-52 F-53 F-54 F-55 Description ● ● Salin- Salt concentration calibration Ambient temperature ● ● ● ● 0 to 45 ℃ Power ● ● ● ● AC adaptor 100 to 240 V 50/60 Hz Power consumption ●...
  • Page 261 Chapter 16 Reference 16.6 Default settings 16.6 Default settings When reset to the settings on shipment from the factory, the following setting contents, per- sonal information, and calibration data will be reset. Resetting to the factory set value returns the setting data to initial values (except for language and clock).

  • Page 262: Default Settings

      0 8 steps MAINTENANCE CHARACTER   OFF OFF, ON MAINTENANCE BACK LIGHT OFF   30 minutes 0 to 999 minutes   TIME *Screen does not shift to power saving mode if *0 min. is set here. F-52, 53, 54, 55...
  • Page 263 Chapter 16 Reference 16.6 Default settings Item Default values (Set value on ○ : shows items to Category Setting range (Setting item) shipment from store setting on opera- factory) tor basis. MAINTENANCE TEMP     No correction CALIBRATION CH 1 MAINTENANCE TEMP  ...

  • Page 264: Connection Of Exclusive Cable

    20;BUSY − 3;TXD 3;RXD 4;GND − 7;GND 5;RXD − 2;TXD 16.7.3 Cable for SEIKO printer DPU-H245AS-A03A Meter main Printer unit D-SUB 9PIN MINI DIN8M 2;CTS − 8;BUSY 3;TXD − 3;DATA 4;GND − 5;GND 5;RXD − 2;OPEN F-52, 53, 54, 55...
  • Page 265 Chapter 16 Reference 16.8 Spare and optional parts 16.8 Spare and optional parts This section lists spare and optional parts for the pH meter.These parts are available through HORIBA distributors. Place an order specifying their name, model, and part number. 16.8.1 Spare parts list ●...

  • Page 266: Spare And Optional Parts

    Internal standard 9037006600 6581-10C solution for Nitrate For outer tube 50 mL Internal standard 9037006900 6582-10C solution For outer tube 50 mL for potassium ion Internal standard 9037005200 65XX-10C common solution For inner tube 250 mL F-52, 53, 54, 55...
  • Page 267 Chapter 16 Reference 16.8 Spare and optional parts ● COND electrode for F-54, 55 Part name Model Part number Remarks Immersion tyep con- 9382-10D 9096000300 Water-proof ductivity Cell constant 100 m electrode 3551-10D 9056000800 For low conductivity Cell constant 10 m 3552-10D 9056000900 Standard type...
  • Page 268 ● Internal standard solution Part name Model Part number Remarks Internal standard #300 9003003200 250 mL solution ● Cleaning liquid Part name Model Part number Remarks Cleaning liquid for #220 9096002500 For pH, ORP, and ion electrodes electrodes F-52, 53, 54, 55...

  • Page 269: Options

    Chapter 16 Reference 16.8 Spare and optional parts 16.8.2 Options Part name Part number Remarks AC adapter AC adapter 9096003100 Be sure to purchase for the pH the cable when pur- Cable For Japan 9096003200 meter chasing the AC For US 9096003300 adapter.
  • Page 270 For more information, please contact us: ExpotechUSA 10700 Rockley Road Houston, Texas 77099 281-496-0900 [voice] 281-496-0400 [fax] E-mail: sales@expotechusa.com Website: www.ExpotechUSA.com...

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