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Operating mode: BOD Special

OxiTop

Control OC 110

ba31116e05

07/2014

The further steps from starting the samples to evaluation are as
described for

BOD Standard

operating mode (see section

Additionally displayed information:



Type of the measurement, run duration (setting see section
9 GLP/TOOLS, page 57), measuring range, end date, Id
number.



GLP

display => the

GLP

function (see section 9 GLP/

TOOLS, page 57) is switched on.



Possibly

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 location) as follows:



Move the cursor to Id number with







Confirm with

<RUN/ENTER>



Set the required Id number (setting range 001 ... 255) with







Confirm with

<RUN/ENTER>

Print all the sample information with

<PRINT>

(see section 8

RINTING

, page 54).

Confirm the start of measure-
ment. Contact selection:

RUN/ENTER

The calculation of the BOD value in the OC 110 controller is based
on the assumption that the D. O. partial pressure in the bottle is at
least 60 hPa after the measurement is over.

Содержание OxiTop Control OC 110

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 101: ......

Страница 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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