wtw OxiTop Control OC 110 Operating Manual Download Page 1

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OPERATING MANUAL

ba31116e05

07/2014

ON/OFF

GLP

RUN/ENTER

OC 1x0

OxiTop

Control OC 110

OxiTop

C or

OxiTop

C/B

BOD/OXYGEN CONSUMPTION: BOD, RESPIRATION, BIOGAS DETERMINATION

Summary of Contents for OxiTop Control OC 110

Page 1: ...OPERATING MANUAL ba31116e05 07 2014 ON OFF GLP RUN ENTER OC 1x0 OxiTop Control OC 110 OxiTop C or OxiTop C B BOD OXYGEN CONSUMPTION BOD RESPIRATION BIOGAS DETERMINATION...

Page 3: ...omatic switch off 14 3 3 Initial commissioning 14 3 3 1 Inserting the supply battery holder controller 14 4 Operation 17 4 1 General operating principles 17 4 1 1 Keys controller 17 4 1 2 Socket field...

Page 4: ...ement 50 7 6 Calling up momentary values 51 7 7 Evaluation 53 8 Printing 54 9 GLP TOOLS 57 9 1 GLP TOOLS main menu 57 9 2 Show free measuring heads 58 9 3 Show settings 58 9 4 Settings 59 9 4 1 Operat...

Page 5: ...acing the data backup battery controller 83 11 1 4 Changing the supply battery measuring head 85 11 2 Cleaning 86 11 2 1 Cleaning of the sample bottles 86 11 2 2 Cleaning of the controller and measuri...

Page 6: ...Contents OxiTop Control OC 110 6 ba31116e05 07 2014...

Page 7: ...Top Controller 110 can also be used for other applications such as Evaluation of respiration and toxicity in earth sludge waste and sediment e g extraction of contaminated earth according to recovery...

Page 8: ...em The formula shown below is the basis for all calculations for the BOD using the values from the OxiTop measuring head The interpretation of the pressure differences in the temporal course depends o...

Page 9: ...the graphical and statis tical evaluation of the sample data The data can be transferred from the controller to a computer via the RS232 interface The read out software Achat OC facilitates to process...

Page 10: ...Overview OxiTop Control OC 110 10 ba31116e05 07 2014...

Page 11: ...damaged if the actions mentioned are not taken 2 1 2 Safety signs on the meter Note all labels information signs and safety symbols on the instrument A warning symbol triangle without text refers to...

Page 12: ...ronmental conditions mentioned in this operating manual The instrument may only be opened if this is explicitly described in this operating manual example Changing the batteries 2 2 3 Unauthorized use...

Page 13: ...measuring heads are pow ered by batteries A low battery status of the controller or measuring head is automatically indicated by a display message and a signal tone after the instru ment is switched o...

Page 14: ...er controller Loosen the 4 screws underneath the housing using a Phillips screwdriver Place the controller on the lower case Remove the upper case and put it down to the right next to the lower case w...

Page 15: ...wer case turn the controller and tighten the housing screws using the screwdriver Switch on the controller The battery insertion was successful if no error message appears concerning the supply batter...

Page 16: ...Commissioning OxiTop Control OC 110 16 ba31116e05 07 2014...

Page 17: ...a IR interface 3 RUN ENTER Confirmation of entries 4 Select and change settings Function keys 5 ORG Sample management List of samples reading calling up deleting the data of indi vidual measuring head...

Page 18: ...mmunication with the PC Usage of the RS232 interface is exclusively intended with the WTW software Achat OC see section 10 1 ACHAT OC SOFTWARE page 80 The current date and time appear for approx 2 sec...

Page 19: ...istics with averaging The AutoTemp function and the GLP mode can be switched on BOD Special Measurement of up to 12 parallel sample processes per overall sample for a BODx x 0 5h 99d Measuring range d...

Page 20: ...this by a short flashing signal The OxiTop measuring head is indicated by the symbol Action Press button The instrument displays Description of what the action caused and possible further request SEL...

Page 21: ...tarting the mea surement Measuring Select operating mode Select settings Operating mode and settings cannot be changed for a measure ment once it is started GLP Time End of measurement Start of measur...

Page 22: ...Operation OxiTop Control OC 110 22 ba31116e05 07 2014...

Page 23: ...essels and close them tightly NOTE Never use joint grease or other lubricants for your OxiTop measuring heads Some of these products contain solvents that can cause severe damage to the plastic housin...

Page 24: ...Confirm with RUN ENTER Set the required Id number setting range 001 255 with Confirm with RUN ENTER Use PRINT to print out the entire sample information in BOD Routine mode only see section 8 PRINTIN...

Page 25: ...asuring head is started e g because the controller was not held to or not close enough to a measuring head The start was stopped Use RUN ENTER Continue start to confirm Continue start and hold the con...

Page 26: ...ta of all active measuring heads in the scanner mode The controller stores the data obtained and updates the SAMPLE STATUS TYPE list sample management Duration of a pass approx 3 seconds for 12 measur...

Page 27: ...e Message that all the data of all the measuring heads has been called up The instrument then returns to the entry menu 40 cm to 1 m RUN ENTER Immediately after the complete measurement data records o...

Page 28: ...led plus checkmark The sample is ready The complete data set is given in the con troller for evaluation 3 BOD type and run duration B20h BOD with 20 hours run duration BOD5 BOD with 5 days run duratio...

Page 29: ...nt sample The header line contains the following data of the selected sample Sample number ID number e g I001 BOD type and run duration SAMPLE STATUS TYPE list sample management Use to select a sam pl...

Page 30: ...ntroller You can only erase a sample if it is finished in non finished samples the menu item Erase sample does not appear SAMPLE STATUS TYPE list sample management Use to select a fin ished sample Sel...

Page 31: ...samples see section 5 3 CALLING UP ALL DATA page 26 Select the list menu item with The list of measuring heads of the selected sample is displayed together with the serial numbers of the measuring he...

Page 32: ...u of the selected sample Preselected Call up data Point the controller at the measuring heads Sequential call up of the mea suring heads allocated to the sample in this example 7 in the scanner mode T...

Page 33: ...ff and the following dis play appears Use RUN ENTER to restart the data transfer see above Return to the SAMPLE STATUS TYPE list sample management Transferred and completed samples appear with a check...

Page 34: ...suring heads from the data stock The completed sample is given the finished status Back Jumps back to the previous menu Abort using a function key The stopped sample is not declared as finished Case 3...

Page 35: ...m ple Use PRINT to print out the results with curves 1 End of measuring range 2 Mean value Evaluation of the sample Display of all the curves together with mean value data Check the display for outlie...

Page 36: ...ressing of RUN ENTER changes directly to the cursor interrogation RUN ENTER When jumping to the selection menu from Show all curves the menu item Exclude curve is not displayed Results of the finished...

Page 37: ...NT page 28 is used to find leaky or defective single samples The curve is only excluded temporarily The data stock of the SAMPLE STATUS TYPE list sample management does not change The excluded curve i...

Page 38: ...the Y axis is automatically adapted to the measured value 2 Measuring time at the cursor position 3 Measured value at the cursor position Use to run through the curve values Use PRINT to print out the...

Page 39: ...A measured curve undercutting the measuring range at its end point Sample displays Display of a single curve Display of all curves When samples are inserted that are too cold the maximum AutoTemp tim...

Page 40: ...trol OC 110 40 ba31116e05 07 2014 After the exclusion of the defective curve see section 5 5 2 EXCLUDING A CURVE BOD STANDARD OPERATING MODE page 37 the controller displays the mean value again A meas...

Page 41: ...off heavy contamination and particles on the sealing surfaces of the rubber sleeves and OxiTop measuring heads WTW accepts no liability for damage due to the use of joint grease 6 2 Starting the measu...

Page 42: ...olume 900 ml dilution 1 1 measuring range 2000 mg l Altitude 500 m 698 m to 5572 m setting see sec tion 9 GLP TOOLS page 57 Parameters Default setting Admissible setting range With select the paramete...

Page 43: ...TER RUN ENTER RUN ENTER RUN ENTER RUN ENTER If while setting the parameters the value calculated by the control ler is above or below the admissible range for the relevant param eter the controller di...

Page 44: ...ibly Temp display The AutoTemp function see sec tion 9 GLP TOOLS page 57 is switched on only with run durations 1 day Change the ID number for the additional identification of the sample e g sampling...

Page 45: ...thane escape Take the following precautionary measures for safe operation Only use WTW measurement bottles of the MF series which are especially designed for biogas determination see WTW catalog Only...

Page 46: ...lity for damage due to the use of joint grease 7 3 Starting the measurement CAUTION If despite all precautionary measures the OxiTop Control OC 110 displays a pressure of 1000 hPa pressure 1350 hPa th...

Page 47: ...ation in the scanner mode until feedback is successfully received from the OxiTop measuring head started display From this point in time the sample exists within the sample management The controller t...

Page 48: ...tate the controller automatically makes space when Start is selected if the measured value memory is full To do this it deletes the oldest finished sample if a finished sample is avail able You can ch...

Page 49: ...f which exceeds the maximum limit pressure Use to select a sam ple The set limit pressure and the currently measured pressure of the sample selected are dis played Point the controller at the measurin...

Page 50: ...suring head Status bar filled plus checkmark The sample is ready The complete data set is given in the con troller for evaluation 3 Type and run duration of the pressure measurement p0 5h Pressure mea...

Page 51: ...up to 10 momentary values per sample They appear as vertical lines on the curve in the evalua tion According to the sample selected one of the two following submenus appears Finished sample Current sa...

Page 52: ...lay but one without saving The controller saves the momentary value with a sequential number 1 to 10 The controller returns to the entry menu Up to 10 momen tary values can be stored at selectable poi...

Page 53: ...to the measured value 2 Measuring time at the cursor position 3 Measured value at the cursor position Use to run through the curve values The allocated run duration and the corresponding measured val...

Page 54: ...Type and run duration measurement range More information is available for the samples started in the BOD Special operating mode Bottle volume filling volume dilution height air pressure temperature St...

Page 55: ...Printing ba31116e05 07 2014 55 Sample printout for a sample with 3 measuring heads that was started in the BOD Special operat ing mode Printing from the evaluation The printout always shows the curve...

Page 56: ...hown in the display Pressing PRINT When starting a sample prints the start data of the sample In the Show Settings submenu see section 9 GLP TOOLS page 57 prints a list with the current settings In th...

Page 57: ...e you can undertake or change the following settings Operation mode Measuring time date time GLP calibration interval not in the BOD Routine operating mode Memory erase AutoTemp BOD Standard and BOD S...

Page 58: ...NTER Point the controller at the measuring heads All free measuring heads flash for approx 5 seconds GLP 40 cm to 1 m GLP TOOLS menu Select the Show Settings menu item with The following example illus...

Page 59: ...rent current GLP On Off Off permanently set On Off On Off Calibration interval 12 months to 36 months 12 months to 36 months 12 months to 36 months Clearing the memory automatic or manual automatic or...

Page 60: ...Here you determine the run duration of the measurement SETTINGS menu Select the Operation mode menu item with Confirm with RUN ENTER Select the required operating mode Confirm with RUN ENTER Back Ret...

Page 61: ...impler the OxiTop Control system has a GLP mode When this mode is switched on the following data are documented the calibration intervals that have been set the calibrations that have been performed T...

Page 62: ...libration is performed or the Off setting is selected SETTINGS menu Use to select the GLP menu item GLP menu Preselected GLP Confirm with RUN ENTER Use to select either GLP On or Off Confirm with RUN...

Page 63: ...rements from 15 C up to 20 C You can tightly close the sample bottle with the measuring head imme diately and start the measurement The AutoTemp function then auto matically triggers the start of the...

Page 64: ...With a further drop in pressure consumption or constant pressure after the adaptation phase the pressure value at the end of the adap tation phase is the starting point of the measurement On a further...

Page 65: ...0 5 to 23 hours Since the measurement times are very short the sys tem always suppresses the AutoTemp phase here even if the AutoTemp function is switched on in the set tings 1 2 3 4 5 days 14 28 42...

Page 66: ...ing is 500 m The height above sea level is directly connected to the air pressure the air pressure influences the equation for the BOD determination There fore if you change one of these two parameter...

Page 67: ...e p operating mode Select the limit pressure here i e the pressure difference compared to the starting pressure negative or positive pressure at which the control ler takes the relevant sample into a...

Page 68: ...em Preset Limit pressure 150 hPa To change it Confirm with RUN ENTER Set the required limit pressure with Confirm with RUN ENTER Back return to the SETTINGS menu RUN ENTER The limit pressure can be ch...

Page 69: ...GLP TOOLS menu or with GLP Main menu GLP TOOLS Use to select the Check menu item CHECK menu Preselected Show SHOW menu Preselected Show free Use to select either Free or All Point the controller at th...

Page 70: ...t calibration date only in operating modes BOD Standard BOD Special Pressure p and GLP On Status of the measuring head free used defective If the measuring head is used Use to scroll through the displ...

Page 71: ...ESSURE P page 61 To perform the test you need the WTW test resource OxiTop PM order number 209 333 Sample preparation see operating manual of the OxiTop PM test resource Query stopped You can select b...

Page 72: ...n on the further handling of the sample up to the finished status See section 5 2 STARTING THE MEASUREMENT page 23 The Cal sample appears together with the other samples in the SAMPLE STATUS TYPE list...

Page 73: ...test is finished Stop Return to the curve display The Cal test is considered as not performed The controller sets a new test date in the measuring head The controller calculates the new test date from...

Page 74: ...ser interface of the controller guides you through the test CHECK menu Use to select the Pneumatic test menu item Set the plunger of the syringe on the OxiTop PT test resource to 5 scale parts Tightly...

Page 75: ...lected ERASE FINISHED SAMP menu Preselected From sample no all Back to the MAINTENANCE submenu The controller displays the list of the finished samples The oldest finished sample is marked With you ca...

Page 76: ...In the selection of erase All samples the following display appears The controller asks if you really want to erase the samples from the memory Continue see above If no finished samples are available...

Page 77: ...elect the Reset release menu item The serial number of the mea suring head and the sample number appear on the display Reset release Confirm with RUN ENTER The release for the measuring head has been...

Page 78: ...are restored one after the other in a sequence It is not possible to leave this function and to continue it afterwards because then the memory would no longer be empty Select the Restore data menu it...

Page 79: ...suring head If the memory of the controller is not empty the following is displayed for approx 3 seconds After this the RESTORE DATA menu is displayed again It is not possible to restore the data with...

Page 80: ...ftware With the Achat OC software you can Execute the sample management of the controller on the PC back up the data regularly Comfortably display the sample management together with additional inform...

Page 81: ...ase Remove the upper case and put it down to the right next to the lower case with the display downwards 1 Screws 1 Supply batteries in the battery holder lower case 2 Data backup battery upper case L...

Page 82: ...turn the controller and tighten the housing screws using the screwdriver Switch on the controller The battery change was successful if no error message appears concerning the supply batteries It is r...

Page 83: ...0 Loosen the 4 screws underneath the housing using a Phillips screw driver Place the controller on the lower case Remove the upper case and put it down to the right next to the lower case with the dis...

Page 84: ...s message is a reminder and should be acknowledged by press ing RUN ENTER The battery change was successful if no error message appears concerning the data backup battery Enter the current date time a...

Page 85: ...locking pin lower case Caution Do not crush the cable connection Close the upper case let the hook snap into place Check if the battery change was successful In the GLP TOOLS Check info menu Batteries...

Page 86: ...he outside of the measuring instrument with a damp lint free cloth NOTEThe housing is made of synthetic material ABS Thus avoid contact with acetone or similar detergents that contain solvents Remove...

Page 87: ...kup battery was changed Set the clock see section 9 4 3 DATE TIME page 61 defective The selected measuring head is defective Please return it to WTW Select a new and free measuring head or Stop start...

Page 88: ...ted measuring head Date time is not correctly set in the controller Use another free measuring head that has been checked Start the due measuring head with the Cal test see section 9 5 4 CAL TEST page...

Page 89: ...he finished samples must be performed If the measurement data of the measuring heads are not yet fin ished no instant remedy is possi ble The memory capacity limit of the instrument has been reached M...

Page 90: ...Are the sealing surfaces of the bot tle and measuring head clean and fault free Are there cracks in the sleeve bottle or measuring head Perform a cal test see section 9 5 4 CAL TEST page 71 Check the...

Page 91: ...er incuba tors further storage locations The measuring heads have no optical contact with the controller Distance too great angular position imprecise IR window of the measuring head averted from the...

Page 92: ...ve available Please obtain new batteries and replace the old ones The message appears for approx 3 seconds The instrument then switches itself off The instrument can no longer be used The supply batte...

Page 93: ...tion see section 9 GLP TOOLS page 57 The controller causes the free measuring positions to flash for 5 seconds Measuring head uninten tionally started for mea surement Measuring head started with inco...

Page 94: ...ingle information on the state of the measuring heads is listed i e the measuring head responds The check can be undertaken at any time without affecting the measure ment that is running If no reactio...

Page 95: ...te Clock is set Switch off the instrument and switch it on again Time and date each appear showing the current values Check RS232 interface only required when using the WTW software ACHAT OC Connect t...

Page 96: ...atteries are empty No paper or the wrong paper is loaded Printing is not possible in the oper ating state of the controller selected The printer or the controller is defective Switch on the printer Es...

Page 97: ...2 3 to 23 hours 360 All whole days 1 2 3 to 99 days 360 Display LCD graphic display 64 x 128 pixels Memory capacity Data of 120 measuring heads Power supply Supply batteries 3 pieces alkaline alkali m...

Page 98: ...res sure 2000 hPa mbar Accuracy 1 of the measured value 1 hPa Resolution 1 hPa Display LED pilot lamp Power supply 2 x lithium battery CR2430 Battery runtime Typically 2 years in case of normal use Pr...

Page 99: ...n interval 62 GLP TOOLS 57 I Initial commissioning 14 K Keys controller 17 L Language 68 M Menus and dialogs 20 O Operating modes 19 BOD Routine 23 BOD Standard 23 Pressure p 45 Special BOD 41 P Pneum...

Page 100: ...OxiTop Control OC 110 100 ba31116d05 07 2014...

Page 101: ......

Page 102: ...buildings factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications...

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