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horiba OM-71G, Instruction Manual

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horiba OM-71G Instruction Manual Download Page 73

Troubleshooting

53

●

Part of the display is missing

If part of the display is missing, it is the Instrument defect. Contact your dealer.

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 "LCD" (full screen display) and then press the

 key.

The display changes to full screen display. Check if part of the display is missing.
To return to the setting mode, press the 

  key.

 key

 key

 key

Summary of Contents for OM-71G

Page 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...

Page 2: ......

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 20: ...M E M O...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 64: ...M E M O...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 74: ...M E M O...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 82: ...M E M O...

Page 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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