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Dissolved oxygen measurement

Tip

You can cancel calibration by pressing the

key while the HOLD icon is blinking.

Note

・

The zero standard solution and the span standard solution are determined automatically

by the instrument. Also, the order of calibration is free.

・

If calibration of any standard solution is performed again in the calibration mode, only the

value of calibrated solution is updated. If you change to the measurement mode and then
enter the calibration mode to perform calibration again, all previous data is updated.

Содержание OM-71G

Страница 1: ...struction Manual Dissolved Oxygen Meter OM 71G Preface Part names and basic operation Measurement Various functions Maintenance How to resolve errors or troubles Appendix Portable pH Water Quality Met...

Страница 2: ......

Страница 3: ...peration Any malfunction attributable to repair or modification by any person not authorized by HORIBA Advanced Techno Co Ltd Any malfunction or damage attributable to the use in an environment not sp...

Страница 4: ...ries see below all exist If damage or defects are found on the product contact your dealer Note The accessories are not waterproof The supplied alkaline batteries are used to check operation thus it i...

Страница 5: ...n this 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 bat...

Страница 6: ...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 7: ...tal protection use period in years It does not indicate a product guarantee period It guarantees that the product will not cause environment pollution nor serious influence on human body and property...

Страница 8: ...accordance with SJ T 11364 GB T 26572 Denotes that the amount of the hazardous substance contained in all of the homogeneous materials used in the component is below the limit on the acceptable amount...

Страница 9: ...riellen Umgebung k nnen die elektromagnetischen St rungen eventuell zu Produktfehlfunktionen f hren Um dieses Produkt unter solchen Umst nden verwen den zu k nnen muss der Benutzer ggf angemessene Ma...

Страница 10: ...sono soggetti a modifiche senza preavviso Ambiente di installazione Questo prodotto non stati progettati per essere utilizzati in ambienti industriali secondo la norma EN61326 1 In un ambiente indust...

Страница 11: ...0 1 Categor a de sobretensi n II Nivel de contaminaci n 2 POL Informacje dotycz ce bezpiecze stwa Przed przyst pieniem do u ytkowania tego produktu nale y dok adnie zapozna si z niniejsz instrukcj aby...

Страница 12: ...d Installatieomgeving Dit product is niet bedoeld voor gebruik in een industri le omgeving zoals gedefinieerd in EN 61326 1 In een industri le omgeving kan de elektromagnetische interferentie de werki...

Страница 13: ...potassium hydroxide KOH If it gets into eyes flush with plenty of water and then consult a doctor If it gets into eyes flush with plenty of water and then consult a doctor Do not use the RS 232C commu...

Страница 14: ...nual the instrument provides dust proof and waterproof performance When replacing the batteries while connected to the AC adapter or during the RS 232C communication the instrument does not have the d...

Страница 15: ...tery together 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 co...

Страница 16: ...ecessary points for correct operation and notifies the important points for handling the product This indicates the part where to refer for information This indicates reference information Original la...

Страница 17: ...e 2 Display 3 Operation key 5 Basic operation 6 Changing the operation mode 6 Changing the measurement parameter 7 Using the backlight 7 Entering numeric values 8 Measurement 9 Preparation 10 Confirma...

Страница 18: ...or 40 Changing the automatic power off setting default OFF 41 Performing test printing of the printer unit 42 Resetting to factory default settings 43 Maintenance 45 Contact for maintenance 45 Mainten...

Страница 19: ...rature display blinks or is fixed at 25 C 52 Nothing appears when the power is turned ON 52 Swelling of operation key sheet 52 Part of the display is missing 53 Appendix 55 Main specifications 55 Inst...

Страница 20: ...M E M O...

Страница 21: ...the main role function and basic operation method of each part Names of each part 2 Instrument 2 Display 3 Battery level display 4 Operation key 5 Basic operation 6 Changing the operation mode 6 Chan...

Страница 22: ...ured in 2016 January No Name Function 1 Display Displays the measured value and set value and so on 2 Operation keys Used for instrument operation 3 Electrode connector Connects the BNC connector of t...

Страница 23: ...ly set measurement parameter 7 HOLD icon Lights when the measured value display is fixed 8 SET icon Lights when numerical values are entered 9 Temperature display area Displays the measured and the se...

Страница 24: ...tery level display Battery level is high Battery level is a little lower Battery level is low The backlight may become unavailable Battery has run out Replace the batteries ERR No 0002 is displayed an...

Страница 25: ...key Changes from the measurement mode to the data mode SET key Changes from the measurement mode to the setting mode Changes from the setting mode to the measurement mode without reflecting changes P...

Страница 26: ...hanging to the calibration data or setting mode is available only from the measurement mode When changing to a different mode first change to the measurement mode and then change to the desired mode I...

Страница 27: ...hen it is difficult to see the screen in a dark location you can turn on the backlight by pressing the key If the backlight is not operated for 5 minutes it automatically turns off To turn it off manu...

Страница 28: ...tering numeric values When entering numeric values to make various settings and set a calibration value you can change the selected digit using the keys and increment or decrement the value 0 to 9 usi...

Страница 29: ...WER key 14 Setting the date and time 15 Connecting an electrode 16 Dissolved oxygen measurement 17 Setting the instrument 17 Setting temperature compensation default ATC 17 Setting salinity correction...

Страница 30: ...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 31: ...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 32: ...with force when the connector does not match the socket When not using the AC adapter close the AC adapter connector cover While connected to the AC adapter the instrument does not have the dust proof...

Страница 33: ...nd time of saved data becomes incorrect Refer to Displaying saved data page 29 1 Press the key to enter the setting mode 2 Press the keys to select the MAINT maintenance setting and then press the key...

Страница 34: ...reparing electrodes Use the following procedure to correctly connect the electrode to the instrument 1 Insert the electrode connector by fitting its groove with the connector socket pin of the instrum...

Страница 35: ...ved oxygen due to temperature change by measuring the temperature of the air when air calibration is performed or the standard solution when standard solution calibration is performed This function al...

Страница 36: ...the ATC automatic temperature compensation or the MTC manual temperature compensation and then press the key 4 If you select the MTC enter the temperature to be compensated for and then press the key...

Страница 37: ...s not contain saline matter set to 0 0 PPT 1 Press the key to enter the setting mode 2 Press the keys to select the SAL salinity correction setting and then press the key 3 Select the numeric setting...

Страница 38: ...d to set the air pressure of the mea surement location to the instrument before calibration to correct the pressure influence and then perform measurement 1 Press the key to enter the setting mode 2 P...

Страница 39: ...tion with JIS K0101 JIS K0102 before 2015 and JIS K0803 select Pre Saturated DO levels in water at various temperature of each standard is shown the section of technical note 1 Press the key to enter...

Страница 40: ...Performing air calibration This section describes the method of air one point calibration Note Air calibration must be performed in clean air If air calibration is performed in a location subject to d...

Страница 41: ...nks When the value is stabilized the HOLD icon changes from the blinking state to the lit state and the calibrated value is displayed the calibrated value differs depending on the conditions because i...

Страница 42: ...olution Use an air pump to bubble pure water or deionized water in a container for about an hour to create oxygen saturated condition 3 Press the key to enter the calibration mode 4 Press the key to c...

Страница 43: ...ard solution As with the step 5 immerse at least 6 cm from the tip of the DO electrode To maintain oxygen saturated status continue bubbling until calibration is finished Note When using an electrode...

Страница 44: ...ndard solution are determined automatically by the instrument Also the order of calibration is free If calibration of any standard solution is performed again in the calibration mode only the value of...

Страница 45: ...t 6 cm from the tip of the DO electrode in the sample solution In order to immerse the temperature sensor equipped with the electrode in the sample solution immerse it at least 6 cm of the sample solu...

Страница 46: ...nge for 10 seconds is less than 0 03 mg L and temperature change is less than 2 0 C Oxygen concentration display value change for 10 seconds is less than 0 1 and temperature change is less than 2 0 C...

Страница 47: ...ion data 33 Printing measured values and calibration data 34 Transferring saved data to a PC 37 Operating the instrument from an external device 38 Using the automatic data save default OFF 39 Setting...

Страница 48: ...measurement mode except during the automatic hold measurement 1 While the data to save is displayed press the key to enter the data mode 2 Select IN data saving and press the key Saved data is displa...

Страница 49: ...n the internal memory 1 Press the key to enter the data mode 2 Press the keys to select OUT display saved data and then press the key Press the keys to change the measurement data and press the keys t...

Страница 50: ...setting mode 2 Press the keys to select the MAINT maintenance setting and then press the key 3 Press the keys to select the DATCLR delete saved data and then press the key 4 Select YES to delete the s...

Страница 51: ...ntenance setting and then press the key 3 Press the keys to select the CALCLR delete calibration data and then press the key 4 Select YES to delete the calibration data or select NO to cancel deleting...

Страница 52: ...t print out in the measurement mode Reference For details of how to display measurement data and calibration data refer to the respective section Displaying saved data page 29 Deleting calibration dat...

Страница 53: ...ature setting Sample 0000 Sample ID number Inst model OM 71 Instrument model Suffix G is not printed Inst SN KL1TSE08 Instrument serial number Printout format Description Inst model OM 71 Instrument m...

Страница 54: ...Inst SN KL1TSE08 Instrument serial number CAL MODE Solution Calibration mode Air calibration Air Standard solution calibration Solution Calibration data Date 2013 09 01 Calibration date Time 09 00 Cal...

Страница 55: ...D 70 refer to the FD 70 instruction manual which 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 followi...

Страница 56: ...urs and the online mode does not start up and as a result RS 232C communication cannot be performed Also when the transfer format is changed turn OFF the power of the instrument and PC and then reboot...

Страница 57: ...tomatic data save function the data saved until just before the batteries run out Replace the batteries and check the data 1 Press the key to enter the setting mode 2 Press the keys to select the AT L...

Страница 58: ...he key starts saving the data when the setting is ON Pressing the key again stops the data saving process During automatic data saving measurement data is displayed for one second each time a measurem...

Страница 59: ...the data is saved in the internal memory the ID number entered in this setting is saved together with the data 1 Press the key to enter the setting mode 2 Press the keys to select the ID ID number set...

Страница 60: ...3 Press the keys to select the MAINT maintenance setting and then press the key 4 Press the keys to select the TEMP temperature calibration setting and then press the key 5 Enter the set temperature a...

Страница 61: ...external device 1 Press the key to enter the setting mode 2 Press the keys to select the MAINT maintenance setting and then press the key 3 Press the keys to select the AT OFF automatic power off set...

Страница 62: ...r test printing As a result of test printing if the printout is as shown below the printer unit is operating correctly 1 Press the key to enter the setting mode 2 Press the keys to select the MAINT ma...

Страница 63: ...erature calibration data is also initialized 1 Press the key to enter the setting mode 2 Press the keys to select the MAINT maintenance setting and then press the key 3 Press the keys to select the IN...

Страница 64: ...M E M O...

Страница 65: ...ohol The instrument is made of solvent resistant materials but that does not mean it is resistant to all chemicals Do not dip the instrument in strong acid or alkali solution or wipe it with such solu...

Страница 66: ...the membrane 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 Wash the DO electrode well with pur...

Страница 67: ...r 0001 Memory error Data cannot be read from or written to the internal memory 0002 Empty battery level The battery level is empty 0003 Electrode stability error The electric potential does not stabil...

Страница 68: ...ow to solve problem The electrode is dirty Wash the electrode The electrode is cracked Replace the electrode The stirring is inappropriate Stir at an appropriate stirring speed 1000 to 1500 rpm The el...

Страница 69: ...save more than 1000 items of data Cause How to solve problem Saving more than 1000 items of data is attempted The maximum number of savable items of data is 1000 Copy or transfer necessary data to a P...

Страница 70: ...ause How to solve problem There is a motor or other device causing electrical interference Measure at a place where no influence from induction is given Ground all AC powered equipment The electrode i...

Страница 71: ...connected correctly Connect the electrode correctly Keys are locked Turn off the power remove the batteries and then turn on the power again The instrument is in HOLD state Cancel the HOLD state Instr...

Страница 72: ...or return to the factory setting Resetting to factory default settings page 43 Instrument defect Consult your dealer Cause How to solve problem Power is not supplied Insert batteries or connect the A...

Страница 73: ...ress the key to enter the setting mode 2 Press the keys to select the MAINT maintenance setting and then press the key 3 Press the keys to select the LCD full screen display and then press the key The...

Страница 74: ...M E M O...

Страница 75: ...ter Quality Meter Model description Dissolved Oxygen Meter Measurement parameters dissolved oxygen oxygen concentration saturated oxygen concentration temperature Operating ambient temperature humidit...

Страница 76: ...1 digit Dissolved oxygen Measuring principle Membrane galvanic cell Measuring range Display range 0 00 mg L to 20 00 mg L Resolution 0 01 mg L Repeatability 0 1 mg L 1 digit Oxygen concentration Measu...

Страница 77: ...C to 100 0 C 25 0 C Auto power off ON OFF OFF Auto power off time 1 min to 30 min 30 min Sample ID 000 to 2999 000 Auto data memory ON OFF OFF Auto data memory time 2 seconds to 24 hours 2 seconds Di...

Страница 78: ...een the anode and cathode is closed Oxygen that diffuses through the oxygen permeable membrane causes the following chain reaction to occur in the cathode and allows current to flow in the external ci...

Страница 79: ...occurs in the above equation This means that even if a DO tip is immersed in pure water that is saturated with air or in an aqueous solution containing salt the output current will not change which gi...

Страница 80: ...6 95 6 12 45 16 9 87 26 8 11 36 6 84 7 12 14 17 9 67 27 7 97 37 6 73 8 11 84 18 9 47 28 7 83 38 6 62 9 11 56 19 9 28 29 7 69 39 6 52 10 11 29 20 9 09 30 7 56 40 6 41 Temp C Saturated DO mg L Temp C S...

Страница 81: ...Part name Part number Remarks AC adapter 3200647413 With 6 plug adapters Plain paper printer Printer USA 120 V 3014030146 Printer cable sold separately Printer EU 230 V 3014030147 Printer cable 301403...

Страница 82: ...M E M O...

Страница 83: ...t jp For any questions regarding this product please contact your local agency or inquire from the following website http global horiba com contact_e index htm 31 Miyanonishi cho Kisshoin Minami ku Ky...

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