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Operating Manual

Oxygen Analyser

Содержание Digox 6

Страница 1: ...Operating Manual Oxygen Analyser...

Страница 2: ...nzenallee 78 79 D 13357 Berlin Phone 49 30 49 77 69 0 Fax 49 30 49 77 69 25 E mail info thiedig com www thiedig com Service hotline 49 30 49 77 69 42 File O2 EC6 E 060301 doc Edition O2 EC D 01 03 06...

Страница 3: ...lution 16 3 2 Connections 17 3 3 Taking the unit into service 17 4 Calibration of the Digox 6 18 4 1 Introduction 18 4 2 Variables influencing calibration 20 4 2 1 Flow 20 4 2 2 Pressure 20 4 2 3 Temp...

Страница 4: ...3 4 1 The online data logger 34 5 3 4 2 Reading out the data storage in the Digox 6 35 5 3 4 3 Evaluate measuring data 36 5 3 5 Further DigoxWin functions 37 6 Maintenance 38 6 1 Cleaning the electro...

Страница 5: ...al data Digox 6 51 10 Appendix 52 10 1 Definition of terms 52 10 2 Scope of supply with accessories kit 53 10 3 Spare parts 54 10 3 1 Analyser block Digox 6 54 10 3 2 Further spare parts 56 10 4 Digox...

Страница 6: ...ual within reach of the location of the Digox Due to technical improvements some descriptions and figures in this operating manual may slightly differ from the functions of your Digox unit Therefore n...

Страница 7: ...7...

Страница 8: ...races operates according to the potentiostatic 3 electrodes measuring system developed by Prof T dt and Dr Teske The principle is based on an electrochemical reduction of dissolved oxygen at the measu...

Страница 9: ...tomatically enable a safe allocation of measurement and measuring points In addition when using the special user TouchKeys a clear allocation of user and measurement is ensured In the created data fil...

Страница 10: ...e flow 2 Moisture indicator for housing interior 3 Socket for RS 232 interface or Touch Memory Stick optional 4 Sample out flow Out 5 Socket for recorder output measuring range identification 6 Socket...

Страница 11: ...11 Figure 1 3 1 Display 2 Sample supply In Figure 1 4 1 6 1 2...

Страница 12: ...the Digox 6 off press and hold the key for 5 seconds 3 to switch the measuring mode on 4 to open the calibration menu 5 to confirm your input 6 Press this key once to switch the display lighting on a...

Страница 13: ...13 Notes...

Страница 14: ...re 2 1 1 Faulty parameter 2 Measuring value 3 Sample temperature in C 4 Flow in l h 5 Date and time 2 2 Calibration menu To enter press Figure 2 2 Selection of the calibration mode Thiedig active cali...

Страница 15: ...The default setting is 9999 2 4 Menu level 2 Confirm the last entry in the main menu with Figure 2 4 Select numbers with or mark the next digit with Press to confirm the code Menu level 2 is opened H...

Страница 16: ...he KCl solution In order to fill the reference cell the analyser block has to be dismantled Removal of analyser block 1 Lie the analyser flat on a table with the reverse side showing upwards 2 Loosen...

Страница 17: ...tions clutches or other hose adapters are used air bubbles could settle on it Because of this the running in time of the analyser is prolonged in order to reach low concentrations WARNING Only use oxy...

Страница 18: ...used to determine the calibration function With the essential requirement no oxygen no measuring current the processor places this function through the zero point Figure 4 1 The Thiedig active calibra...

Страница 19: ...s with the sampling device The short calibration is especially suitable for cases in which constant measuring conditions for a calibration are only available for a short time Measurement in wort If th...

Страница 20: ...ent of 3 per C The Digox 6 has got a temperature compensation in the range between 0 and 50 C 4 3 Calibrating of the flowmeter The calibration of the flowmeter is done in the works with water When tak...

Страница 21: ...liquid collected Press or to select a number Press to mark the next digit 5 Use to confirm your input Figure4 3 WARNING The value to be entered should be between 150ml and 180ml If a wrong value is e...

Страница 22: ...carried out with a flow between 9 1 and 10 9 l h After connecting the unit to the sampling point let run down the oxygen value first Only Start the calibration if the values of the temperature and of...

Страница 23: ...d flow are examined during calibration Figure 4 11 A comparison shows no deviation the newly calculated Ks factor is displayed Figure 4 12 Figure 4 12 A comparison shows a deviation please refer to fa...

Страница 24: ...the short calibration possible changes in oxygen concentration flow and temperature are not examined during the calibration The short calibration takes 45 seconds NOTE The calibration must be carried...

Страница 25: ...s 43s 0s The calibration current produces a defined amount of oxygen in the sample 3 After successful calibration the calculated Ks factor is displayed for 3 seconds Figure 4 15 4 Then the Digox 6 aut...

Страница 26: ...er to section 8 1 4 6 1 Ref min calibration 1 Press The calibration menu is opened 2 Press and hold until the menu item REF MIN CALIBRATION is highlighted Confirm with Figure 4 16 3 A selection menu a...

Страница 27: ...rt the calibration Figure 4 20 4 The calibration starts A countdown appears beginning with 50 seconds After the calibration a reference concentration is polled Use the cursor keys to enter it and conf...

Страница 28: ...0 C Maximum 50 C Threshold value 70 C Threshold value 110 C Special edition The temperature is compensated electronically within the limits stated If this temperature is exceeded it will lead to damag...

Страница 29: ...he amount of recorded values the data logger can be started three times If the total amount of recorded measuring values is attained the measurement will be stopped and a message will be displayed ple...

Страница 30: ...R To stop the data logger press to confirm The data logger has already recorded three series of measurement A new start of the logger is possible only after deleting the data please see hint section 5...

Страница 31: ...ATA LOGGER Now the measuring values will be read out from the data logger of the Digox 6 NOTE For using DigoxWin please read section 5 4 Displaying measuring values only measuring point data logger 1...

Страница 32: ...from the file Digoxwin ini For this proceed as follows a Use your right mouse key to click on the file b Select Properties c Delete the tick read only 4 Use your right mouse button to click on the fil...

Страница 33: ...nuous data logger of the Digox 6 Read out measuring points Read out the measuring point logger of the Digox 6 Active calibration Start active calibration in DigoxWin Settings Menu code Change the menu...

Страница 34: ...splay Measuring at the Digox 6 3 Sampling interval for online measurement 5 10 15 20 25 30 seconds 4 Current data record number A maximum of 4 000 is possible if there are more than 4 000 DigoxWin wil...

Страница 35: ...PC A corresponding message is faded in the DigoxWin program window 3 Then the transferred measuring data are displayed in DigoxWin as a table NOTE In order to read out data the Digox 6 must be switch...

Страница 36: ...he extension xls and click the Save button to confirm the file name MS Excel will be opened and the measuring data will be transferred Figure 5 9 In Excel the measuring data can be displayed in tables...

Страница 37: ...e Digox 6 Select medium Select interface and transfer rate see section 5 3 2 Change limits and alarms not available with the Digox 6 Click the Close button to exit the current menu Poll status message...

Страница 38: ...the like water a brush for cleaning the counter electrodes included in the supply a tooth brush or the like recommended for cleaning the contact piece compressed air pistol if available WARNING Do no...

Страница 39: ...ces are connected must be dry 6 2 Exchanging diaphragm and sealing rings Dr Thiedig Co recommends to annually change the diaphragm and all sealing rings at the analyser block 6 2 1 General hints To ex...

Страница 40: ...7 mm socket spanner to loosen the 4 hex nuts 21 Withdraw the connection rods 19 The 5 single blocks are now separated from each other 6 Use the special screwdriver to remove the diaphragm 7 7 Loosen...

Страница 41: ...dling of rechargeable battery An important element for measuring with the Digox 6 is the state of the battery The Digox 6 is equipped with an improved nickel metal hydrid battery NOTE The battery is a...

Страница 42: ...he analyser block Open and clean the flowmeter If this does not work please contact our maintenance hotline The temperature is flashing in the left top of the display for example the display reads 49...

Страница 43: ...DigoxWin version with regard to the Digox 6 firmware NOTE Always use the supplied software version with the respective analyser Display message EEPROM Error at Simultaneous operation of the continuou...

Страница 44: ...es more than 5 with regard to the current measured between sec 0 and sec 5 Calibration error D The temperature measured in sec 20 deviates more than 5 with regard to the temperature measured in sec 0...

Страница 45: ...45 Notes...

Страница 46: ...the recorder output is displayed 8 2 Selecting recorder measuring ranges and output currents 1 In the main menu press until the menu item MEASURING RANGES is highlighted Press to open the menu MEASURI...

Страница 47: ...ith a four digit code The default setting is 9999 It can be modified using the menu item GENERATE THE CODE Take care to remember the code It can also be changed in DigoxWin please refer to section 5 3...

Страница 48: ...the contrast in steps between 0 and 100 Press to confirm your selection Figure 8 9 Checksum The checksum serves to check the device components before switching off Highlight the menu item and press Us...

Страница 49: ...date Highlight the menu item and confirm with The setting mode is active Changes are made using the cursor keys Use to confirm After setting highlight the menu item RETURN and confirm with 8 3 4 Polli...

Страница 50: ...8 3 7 Generating a code You can use this menu item to generate a new access code for menu level 2 NOTE If you have changed the access code and forgotten it it can be read out and changed again in Digo...

Страница 51: ...Recorder output One output 0 4 20mA for concentration 0 1 000 mg l 0 20 00 mg l to be set to a fixed value or automatic changeover and detection of the measuring range IMPORTANT NOTE Connection of a r...

Страница 52: ...f the level to a sudden concentration change Ambient temperature This is the temperature permitted in the environment where the unit is operated Sample temperature This is the temperature of the sampl...

Страница 53: ...0 1 Replacement diaphragm DG 50 09 00 1 Sealing ring set Digox 5 6 DG 50 35 00 1 Test tube brush ZZ 19 00 40 1 Measuring cylinder 250ml ZZ 13 00 62 1 DigoxWin software TN 68 50 00 1 Interface cable DG...

Страница 54: ...54 10 3 Spare parts 10 3 1 Analyser block Digox 6 Figure 10 1 Block parts Digox 6 Figure 10 2 Sealing rings Digox 6...

Страница 55: ...lamping bolt top 21 XX 09 34 05 4 Hex nut 22 XX 01 25 06 4 Ring washer 23 DG 94 05 18 4 Pressure piece 24 DG 50 19 00 1 Temperature sensor 25 DG 50 25 40 1 Spindle with flange 26 DG 50 25 30 1 Output...

Страница 56: ...luded in the service kit Digox 5 6 EC K 05 13 78 Euro adapter for charging unit ZZ 58 00 94 UK adapter for charging unit ZZ 58 00 95 US adapter for charging unit ZZ 58 00 96 Australian adapter for cha...

Страница 57: ...57 10 5 Menu overview...

Страница 58: ...D Socket Function Socket 1 Pin 1 Pin 3 RDO Pin 2 Pin 2 TDO Pin 3 Pin 5 GND Pin 4 RS 232 Touch Memory Pin 5 Touch Memory System Socket 2 Pin 1 Pin 2 Measuring range identification Pin 3 GND Analog Out...

Страница 59: ...59 Notes...

Страница 60: ...on 16 Kf factor 21 Ks factor 22 38 L Language 48 LCD contrast 48 M Main menu 15 Maintenance 38 Make system settings 48 Measurement in beer 19 Measurement in wort 19 Measuring 14 Measuring electrode 38...

Страница 61: ...61 Touch Memory System 9 Troubleshooting 42 U Unit description 8 Unit extensions 56 Z Zero current 19 26...

Страница 62: ...62 Dr Thiedig Co Prinzenallee 78 79 D 13357 Berlin Phone 49 30 49 77 69 0 Fax 49 30 49 77 69 25 Email info thiedig com www thiedig com Service Hotline 49 30 49 77 69 42...

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