wtw OxiTop Control OC 110 Operating Manual
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wtw OxiTop Control OC 110 Operating Manual

Bod/oxygen consumption: bod, respiration, biogas determination
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®
OC 1x0
RUN/ENTER
GLP
ON/OFF
OxiTop
OxiTop
BOD/OXYGEN CONSUMPTION: BOD, RESPIRATION, BIOGAS DETERMINATION
®
Control OC 110
®
C or OxiTop
®
OPERATING MANUAL
ba31116e05 07/2014
®
C/B

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  • Page 1 OPERATING MANUAL ba31116e05 07/2014 ® OC 1x0 ® RUN/ENTER ON/OFF ® OxiTop Control OC 110 ® ® OxiTop C or OxiTop BOD/OXYGEN CONSUMPTION: BOD, RESPIRATION, BIOGAS DETERMINATION...
  • Page 2 Copyright © 2016 Xylem Analytics Germany GmbH Printed in Germany.

  • Page 3: Table Of Contents

    ® OxiTop Control OC 110 Contents ® OxiTop Control OC 110 - Contents Overview ......... . 7 ®...
  • Page 4 ® Contents OxiTop Control OC 110 5.4.4 Calling up data ....... . 31 5.4.5 Calling up data - Stop .
  • Page 5 ® OxiTop Control OC 110 Contents 9.6.1 Erasing finished samples ......75 9.6.2 Reset/release ....... . . 77 9.6.3 Reading out data .
  • Page 6 ® Contents OxiTop Control OC 110 ba31116e05 07/2014...

  • Page 7: Overview

     Evaluation of the respiration rate of cell cultures  Microbiological growth and stress examinations  Measurement of anaerobic degradation processes (e.g. biogas determina- ® tion with the measuring head OxiTop -C/B) Accessories: see WTW catalog and price list ba31116e05 07/2014...

  • Page 8: The Measurement Principle

    ® Overview OxiTop Control OC 110 ® ® ® ® ® ® ® ® 1 Measuring head OxiTop -C or OxiTop -C/B The measurement principle The respirometric measurement is a pressure measurement. If oxygen is consumed in a closed vessel at a constant temperature, a negative pressure ®...

  • Page 9: Data Management

    Additionally, the data can be transferred to an IR printer via the IR interface. Literature Further information and application reports on the subject of measuring with the ® system OxiTop Control can be obtained at no cost from WTW: ®  CD-ROM Applications for OxiTop Control  CD-ROM Principles of measuring technique...
  • Page 10 ® Overview OxiTop Control OC 110 ba31116e05 07/2014...

  • Page 11: Safety

    ® OxiTop Control OC 110 Safety Safety Safety information 2.1.1 Safety information in the operating manual This operating manual provides important information on the safe oper- ation of the instrument. Read this operating manual thoroughly and make yourself familiar with the instrument before putting it into opera- tion or working with it.

  • Page 12: Unauthorized Use

    ® Safety OxiTop Control OC 110 use specified above. • The instrument may only be supplied with power by the energy sources mentioned in this operating manual. • The instrument may only be operated under the environmental conditions mentioned in this operating manual. •...

  • Page 13: Commissioning

    ® OxiTop Control OC 110 Commissioning Commissioning Scope of delivery ®  Controller OxiTop OC 110  Battery holder with batteries (3 x Mignon, AA, AM3, LR6)  Operating manual  Additional scope of delivery: depending on set composition Power supply ®...

  • Page 14: Energy Saving Feature (Automatic Switch-Off)

    1x CR 2430 Lithium Ser.-Nr.:05150013 Made in Germany Oxi Top OC 1x0 WTW 82362 Weilheim 1 Screws  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 display downwards.
  • Page 15 ® OxiTop Control OC 110 Commissioning 1 Supply batteries in the battery holder (lower case) 2 Data backup battery (upper case)  Set the upper case on top of the lower case, turn the controller and tighten the housing screws using the screwdriver. ...
  • Page 16 ® Commissioning OxiTop Control OC 110 ba31116e05 07/2014...

  • Page 17: Operation

    ® OxiTop Control OC 110 Operation Operation General operating principles 4.1.1 Keys - controller RUN/ENTER ON/OFF <On/Off> Switching on/off ON/OFF <PRINT> Printing of measurement data and set- tings via IR interface <RUN/ Confirmation of entries RUN/ENTER ENTER> <><> Select and change settings Function keys: <ORG>...

  • Page 18: Socket Field - Controller

    4.1.2 Socket field - controller 1 RS232 interface The RS232 interface is used for communication with the PC. Usage of the RS232 interface is exclusively intended with the WTW software "Achat OC“ (see section 10.1 A , page 80). CHAT...

  • Page 19: Navigation

    ® OxiTop Control OC 110 Operation Navigation 4.3.1 Operating modes  Measurement of single samples for a BOD BOD Routine: (x = 0.5h ... 99d) at 20 °C  The measuring range and filling volume can be selected out of seven per- manent ranges and the corresponding filling volumes.

  • Page 20: Menus, Functions And Dialogs

    ® Operation OxiTop Control OC 110 4.3.2 Menus, functions and dialogs Example: Pressing the <COMM> button causes the controller to change to the SELECT ACTION menu (communication with the measuring heads). Action: Description of what the Press button. The instrument displays: action caused and possible further request: SELECT ACTION menu...

  • Page 21: The Course Of The Measurement

    ® OxiTop Control OC 110 Operation 4.3.3 The course of the measurement Preparation before  Select operating mode starting the mea-  Select settings surement Operating mode and settings cannot be changed for a measure- ment once it is started! Start of Measuring End of measurement...
  • Page 22 ® Operation OxiTop Control OC 110 ba31116e05 07/2014...

  • Page 23: Operating Mode: Bod Standard / Bod Routine

    However, you should always wipe 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. Starting the measurement SELECT ACTION menu (com- ...
  • Page 24 ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 110 Confirm the selected measure- RUN/ENTER ment range for the sample. The automatically assigned sample number (YY/MM/DD and sequential number) is given in the header line. Additional information:  Type of measurement, run duration, measurement range, final date, ID number.
  • Page 25 (2). ® OxiTop Control OC 110 Operating mode: BOD Standard / BOD Routine Start the next measuring head Contact selection: The number of the measuring head is automatically incre- mented. The controller continues to work with the contact selection, i.e. you can now start a sequence of measuring heads (parallel Confirm Stop ...

  • Page 26: Calling Up All Data

    ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 110 Calling up all data This function is used to call up the data of all measuring heads, no matter in which operating mode they were started. To call up the data of individual measuring heads: see section 5.4 SAMPLE STATUS TYPE ), page 28.
  • Page 27 ® OxiTop Control OC 110 Operating mode: BOD Standard / BOD Routine Preselected: - Continue transfer: A new pass is made only for measuring heads that have not yet responded. Return to the entry menu with - Stop For information on searching for missing measuring heads, see section 12 W ..., page...

  • Page 28: Sample Status Type List (Sample Management)

    ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 110 SAMPLE STATUS TYPE list (sample management) Entry into the sample management. A list of samples appears in the display (if samples are avail- able): 1 Sample number: Date (JJ/MM/TT) and consecutive number 2 Temporal process of the sample: –...

  • Page 29: Showing A Sample

    ® OxiTop Control OC 110 Operating mode: BOD Standard / BOD Routine Select a sample. According to the sample selected, one of the two following menus appears. Finished sample Current sample The header line contains the following data of the selected sample: ...

  • Page 30: Erasing Data Of Finished Samples

    ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 110 5.4.2 Erasing data of finished samples This function erases the data of finished samples from the SAMPLE STATUS TYPE list ( sample management) of the controller. You can only erase a sample if it is finished; in non-finished samples, the menu item - Erase sample does not appear.

  • Page 31: Showing The Measuring Head List

    ® OxiTop Control OC 110 Operating mode: BOD Standard / BOD Routine 5.4.3 Showing the measuring head list Select the -  list menu item This function is used to allocate individual measuring heads to the rele- vant sample in the SAMPLE STATUS TYPE list (sample management) and to find individual measuring heads.
  • Page 32 ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 110 SAMPLE STATUS TYPE list (sample management) Use <><> to select a sam- ple whose  run duration is not yet com- pleted (bar not yet full)  data after complete mea- surement that have not yet been called up (bar full, no checkmark)

  • Page 33: Calling Up Data - Stop

    ® OxiTop Control OC 110 Operating mode: BOD Standard / BOD Routine If the measuring heads do not all respond, the following dis- play appears: Renewed start of the data call RUN/ENTER The controller continues to search for missing measuring heads in the scanner mode.
  • Page 34 ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 110 After confirmation, the display RUN/ENTER message shown here appears. Three displays are then possible: Case 1 The sample is still running and individual measuring heads of the sample are not attainable. Case 2 The run duration of the sample has ended and the finished, all...

  • Page 35: Evaluation

    : ® OxiTop Control OC 110 Operating mode: BOD Standard / BOD Routine - Missing Only appears when the run duration of the sample has expired. Here you can remove the data of a missing or defec- tive measuring head from the SAMPLE STATUS TYPE list (sample management) of the controller.

  • Page 36: Sample Statistics (Bod Standard Operating Mode)

    ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 110 5.5.1 Sample statistics (BOD Standard operating mode) Starting point: Display of a single curve. Changes to sample statistics. RUN/ENTER The menu selection shown here only appears if the number of measuring heads (n) is at least If n = 1 pressing of <RUN/ ENTER>...

  • Page 37: Excluding A Curve (Bod Standard Operating Mode)

    ® OxiTop Control OC 110 Operating mode: BOD Standard / BOD Routine 5.5.2 Excluding a curve (BOD Standard operating mode) This function is used to temporarily exclude a single curve (e.g. an outlier) from the evaluation and averaging of an overall sample. The curve is only excluded temporarily! The data stock of the SAMPLE STATUS TYPE list (sample management) does not change.

  • Page 38: Cursor Interrogation

    ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 110 5.5.3 Cursor interrogation Starting point: Display of a single curve with measured value data. Use <><> to select - Cursor RUN/ENTER query (this menu is not dis- played in the BOD Routine oper- ating mode).

  • Page 39: Curves Display For Cold Samples

    ® OxiTop Control OC 110 Operating mode: BOD Standard / BOD Routine 5.5.4 Curves display for cold samples Display of a single curve. Display of all curves. When samples are inserted that are too cold the maximum AutoTemp time is not sufficient for the sample temperature to reach the incubation temperature: Warming the sample can cause excess pressure.
  • Page 40 ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 110 A measured value temporarily leaves the mea- suring range. After the exclusion of the defective curve (see section 5.5.2 E XCLUDING (BOD S ), page 37), the controller A CURVE TANDARD OPERATING MODE displays the mean value again.

  • Page 41: Operating Mode: Bod Special

    ® sleeves and OxiTop measuring heads. WTW accepts no liability for damage due to the use of joint grease. Starting the measurement Before starting the measurement, set the temperature and air pressure (see section 9 GLP/TOOLS, page 57).
  • Page 42 ® Operating mode: BOD Special OxiTop Control OC 110 Parameters Default setting Admissible setting range Altitude 500 m -698 m to 5572 m (setting: see sec- tion 9 GLP/TOOLS, page 57) In the SELECT CALCULATION menu you can select one parameter out of bottle volume, filling volume and measuring range to be calculated by the controller based on the other parameters.
  • Page 43 ® OxiTop Control OC 110 Operating mode: BOD Special The SETTINGS menu appears. RUN/ENTER Select the - Bottle ml menu item. Set the bottle volume to 900 ml RUN/ENTER with <><>. Confirm with <RUN/ENTER>. Select the - Dilution 1+ menu item with <><>.
  • Page 44 ® Operating mode: BOD Special OxiTop Control OC 110 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.

  • Page 45: Operating Mode: Pressure P

     Risk of explosion due to development of flammable gas mixtures if high concentrations of methane 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).

  • Page 46: Sample Preparation

    However, you should always wipe 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. Starting the measurement SELECT ACTION menu (com-...
  • Page 47 ® OxiTop Control OC 110 Operating mode: Pressure p 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 <><>.

  • Page 48: Calling Up All Data

    Displays  already used! Confirm the - New  menu ® Operating mode: Pressure p OxiTop Control OC 110 Stop  start. item and hold the controller to a free measuring head (see above). Return to the entry menu with - In the delivery state, the controller automatically makes space when Start is selected if the measured value memory is full.
  • Page 49 ® OxiTop Control OC 110 Operating mode: Pressure p After calling up the data of all measuring heads the controller checks for all samples started in the Pressure p mode the maximum difference pres- sure (negative or positive) compared to the start pressure. The controller lists all samples the value of which exceeds the amount of the differ- ence pressure in a table (to set up the difference pressure see section 9.4.12 L...

  • Page 50: Sample Management

    ® Operating mode: Pressure p OxiTop Control OC 110 Sample management Entry into the sample management. A list of samples appears in the display (if samples are avail- able): 1 Sample number: Date (JJ/MM/TT) and consecutive number 2 Temporal process of the sample: –...

  • Page 51: Calling Up Momentary Values

    ® OxiTop Control OC 110 Operating mode: Pressure p According to the sample selected, one of the two following RUN/ENTER submenus appears. Finished sample Current sample The header line contains:  Sample number  ID number (e.g. I001) For the menu items - Show sample, - Erase sample -  list and - Call ...
  • Page 52 ® Operating mode: Pressure p OxiTop Control OC 110 Select the - Momentary value menu item. RUN/ENTER Point the controller at the measuring 40 cm to 1 m heads: The momentary value of the RUN/ENTER sample is called up and dis- played.

  • Page 53: Evaluation

    ® OxiTop Control OC 110 Operating mode: Pressure p Evaluation SAMPLE STATUS TYPE (sam- ple management): Use <><> to select a sam- ple. Entry into the evaluation: Display of the selected sample as a curve with measurement value data. Stored momentary values appear additionally as vertical lines on the curve.

  • Page 54: Printing

    ® Printing OxiTop Control OC 110 Printing Switch on the IR printer. Point the controller at the printer: When printing from the SAMPLE STATUS TYPE list (sam- ple management) or from the evaluation: The controller transfers the report data of the selected sam- ple to the IR interface.
  • Page 55 ® OxiTop Control OC 110 Printing 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(s) shown in the display. ba31116e05 07/2014...
  • Page 56 ® Printing OxiTop Control OC 110 Sample printout for a sample that was started in the Pressure p oper- ating mode: Printing from the evaluation: The printout always shows the curve that is shown in the display. Pressing <PRINT>:  When starting a sample prints the start data of the sample ...

  • Page 57: Glp/Tools

    ® OxiTop Control OC 110 GLP/TOOLS GLP/TOOLS GLP/TOOLS main menu GLP/TOOLS menu: Select a menu item with <><>. Confirm with <RUN/ENTER>.  The selected menu opens up or the function is carried out. GLP/TOOLS menu: - Show free This function is used to identify free measuring heads. Thus an additional sample labeling is not required.

  • Page 58: Show Free Measuring Heads

    ® GLP/TOOLS OxiTop Control OC 110 Show free measuring heads . This function is used to identify free measuring heads. Free measuring heads can be used to start new samples. GLP/TOOLS menu: Preselected: - Show free Press <RUN/ENTER>. Point the controller at the measuring 40 cm to 1 m heads: All free measuring heads flash...

  • Page 59: Settings

    ® OxiTop Control OC 110 GLP/TOOLS Settings With this function you can undertake or change settings. The table below shows the settings in the delivery state. GLP/TOOLS menu. Select the - Settings menu item with <><> Default setting (bold) and setting range Setting Operating mode BOD Standar...

  • Page 60: Operating Mode

    ® GLP/TOOLS OxiTop Control OC 110 9.4.1 Operating mode You can select the following operating modes:  BOD Standard  BOD Routine  BOD Special  Pressure p (see also section 4.3.1 O , page 19). PERATING MODES SETTINGS menu: RUN/ENTER Select the - Operation mode menu item with <><>.

  • Page 61: Date/Time

    ® OxiTop Control OC 110 GLP/TOOLS 9.4.3 Date/time Here you set the date and time for the controller (important for the assignment of sample numbers). SETTINGS menu: Use <><> to select the - date/time menu item. Use <><> to set each num- RUN/ENTER ber block on a black back- ground.

  • Page 62: Glp - Calibration Interval (- Calinterval)

    ® GLP/TOOLS OxiTop Control OC 110 Switching the GLP func- tion on or off SETTINGS menu: Use <><> to select the - GLP menu item. GLP menu: RUN/ENTER Preselected: - GLP Confirm with <RUN/ENTER>. Use <><> to select either GLP On or Off. Confirm with <RUN/ENTER>.

  • Page 63: Data Storage

    ® OxiTop Control OC 110 GLP/TOOLS 9.4.6 Data storage Here, you can set whether the controller should automatically erase the oldest finished samples if the memory is full to create space for new measurement data (setting auto). With the manual setting, the message "Memory lack! Erase finished sample/s! is displayed if the memory is full (see section 12 W HAT TO DO ..., page 87).
  • Page 64 ® GLP/TOOLS OxiTop Control OC 110 , is smaller than 1% of the selected measurement range final Incubator value. Measuring time Recommended sample temper- of the measure- ature at the start of the mea- ment surement 1 day -0.5K ... T Incubator Incubator 2 days...

  • Page 65: Switch-Off Interval

    ® OxiTop Control OC 110 GLP/TOOLS BOD measuring Duration of the adapta- Duration of the test phase time tion phase 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.

  • Page 66: Temperature (Bod Special Operating Mode)

    ® GLP/TOOLS OxiTop Control OC 110 Preset: RUN/ENTER - Interval: 5 minutes To change it: Confirm with <RUN/ENTER>. Set the required number of min- utes with <><>. Confirm with <RUN/ENTER>. - Back (to the SETTINGS menu) 9.4.9 Temperature (BOD Special operating mode) Here you can set the temperature (incubation temperature) of the sam- ple.

  • Page 67: Air Pressure (Bod Special Operating Mode)

    ® OxiTop Control OC 110 GLP/TOOLS Preset: - Height: 500 m RUN/ENTER To change it: Confirm with <RUN/ENTER>. Set the required height with <><>. Confirm with <RUN/ENTER>. - Back (to the SETTINGS menu) 9.4.11 Air pressure (BOD Special operating mode) Here you can set the air pressure at the measuring location.

  • Page 68: Language

    ® GLP/TOOLS OxiTop Control OC 110 The setting range is 50 hPa to 500 hPa. The default setting is 150 hPa. SETTINGS menu: Use <><> to select the - Limit pressure menu item. Preset: RUN/ENTER - Limit pressure: 150 hPa To change it: Confirm with <RUN/ENTER>.

  • Page 69: Check

    ® OxiTop Control OC 110 GLP/TOOLS SETTINGS menu. - Back (to the GLP/TOOLS menu ) with <GLP>. Check Main menu GLP/TOOLS. Use <><> to select the - Check menu item. - Show  9.5.1 Showing the measuring heads CHECK menu: RUN/ENTER Preselected: SHOW ...

  • Page 70: Measuring Head Information

    ® GLP/TOOLS OxiTop Control OC 110 Select the -  info menu item 9.5.2 Measuring head information CHECK menu: with <><>. RUN/ENTER The measuring head flashes. A display appears on the con- troller giving the following infor- mation:  Series number of the measur- ing head, ...

  • Page 71: Controller Information

    , BOD OPERATING MODES TANDARD ), page 61). PECIAL AND RESSURE P ® To perform the test, you need the WTW test resource, OxiTop order number 209 333. ® Sample preparation: see operating manual of the OxiTop PM test resource. ba31116e05...
  • Page 72 ® GLP/TOOLS OxiTop Control OC 110 CHECK menu. Use <><> to select the - Cal Test menu item. The instrument automatically RUN/ENTER allocates the sample number (in the header line). The filling volume (164 ml) and the type together with the run time of 5 days are preset.
  • Page 73 ® OxiTop Control OC 110 GLP/TOOLS - Show  (to find the relevant Now you can set a new calibra- RUN/ENTER tion date for the measuring head with the controller. measuring head): Function and messages as described (see section 5.4 SAMPLE STATUS TYPE LIST ), page 28.

  • Page 74: Pneumatic Test

    It says nothing about the long-term impermeability of the system. ® To perform the pneumatic test, you require the test resource, OxiTop PT (WTW order number 209 334). Pneumatic test  menu item. The user interface of the controller guides you through the test: CHECK menu.

  • Page 75: Maintenance

    ® OxiTop Control OC 110 GLP/TOOLS Maintenance GLP/TOOLS menu. Use <><> to select the - Maintenance menu item. 9.6.1 Erasing finished samples Here you can erase the data of finished samples that are already evalu- ated or no longer required in order to free memory in the controller. MAINTENANCE menu: RUN/ENTER - Erase sample preselected...
  • Page 76 ® GLP/TOOLS OxiTop Control OC 110 In the selection of erase “All“ samples, the following display appears: The controller asks if you really RUN/ENTER want to erase the samples from the memory. Continue: see above. If no finished samples are available in the memory, the follow- ing display appears: ba31116e05 07/2014...

  • Page 77: Reset/Release

    ® OxiTop Control OC 110 GLP/TOOLS After carrying out the - Reset/release  function the data of the 9.6.2 Reset/release This function can be used to release measuring heads again that were unintentionally started. measuring head are erased! Reset/release  menu item. MAINTENANCE menu: Use <><>...

  • Page 78: Reading Out Data

    ® GLP/TOOLS OxiTop Control OC 110 9.6.3 Reading out data In case you lost your controller or your controller is defective, the "Restore data" function facilitates to restore the data of running measure- ments using a new or other controller. This means the data are not lost! To perform this function the memory of the controller must be abso- lutely empty! The data of each single measuring head are restored one after the other in a sequence.
  • Page 79 It is not possible to restore the data with the controller. Contact the WTW service department. It is possible to restore the data of all running measurements if the controller is in the BOD Routine operating mode. In the...

  • Page 80: Transmitting Data

    ® Transmitting data OxiTop Control OC 110 Transmitting data The RS232 interface is used to transmit data to a PC (see section 4.1.2 , page 18). OCKET FIELD CONTROLLER For details, see operating manual of the Achat OC software. 10.1 Achat OC software With the Achat OC software, you can ...

  • Page 81: Maintenance, Cleaning, Disposal

    1x CR 2430 Lithium Ser.-Nr.:05150013 Made in Germany Oxi Top OC 1x0 WTW 82362 Weilheim 1 Screws  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 display downwards.
  • Page 82 ® Maintenance, cleaning, disposal OxiTop Control OC 110  Remove the supply battery holder from the fixing in the lower case and turn it around.  Remove the empty supply batteries.  Insert the new supply batteries - 3 pieces, alkaline (alkali manga- nese), Size: Mignon, AA, AM3, LR6).

  • Page 83: Replacing The Data Backup Battery (Controller)

    1x CR 2430 Lithium Ser.-Nr.:05150013 Made in Germany Oxi Top OC 1x0 WTW 82362 Weilheim 1 Screws  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 display downwards.
  • Page 84  Remove the empty data backup battery.  Insert the new data backup battery (1 piece, lithium battery, ® CR2430, e.g. WTW type Batt/ OxiTop NOTE Ensure that they are inserted in the correct position! The positive pole must point upwards.

  • Page 85: Changing The Supply Battery (Measuring Head)

     Change the battery after the measurement has been terminated.  Press in the snap-action holder and open the upper case.  Remove the batteries.  Insert new batteries (2 x lithium batteries, CR2430, e.g. WTW type ® Batt/OxiTop ). When doing so make sure the batteries are inserted in the correct position! In the GLP/TOOLS - Check - ...

  • Page 86: Cleaning

    ® Maintenance, cleaning, disposal OxiTop Control OC 110 11.2 Cleaning 11.2.1 Cleaning of the sample bottles See application reports. 11.2.2 Cleaning of the controller and measuring heads Occasionally wipe the outside of the measuring instrument with a damp, lint-free cloth. NOTEThe housing is made of synthetic material (ABS).

  • Page 87: What To Do If

    TIME  Select a new and free measuring The selected measuring head is defective. head or Please return it to WTW.  Transfer the unfinished samples of No samples There are no finished samples stored available! in the sample management.
  • Page 88 No active ! ® What to do if... OxiTop Control OC 110 Display message Cause Remedy  No measurement has been  Modification of the distances or started. angle  The measuring heads are placed  Search at other storage locations at another location (e.g.
  • Page 89 ® OxiTop Control OC 110 What to do if... Display message Cause Remedy  Transfer the unfinished samples of Memory lack! The instrument works with the set- No ready samples ting, Erase memory auto (automati- the sample management to “fin- autom.
  • Page 90 ® What to do if... OxiTop Control OC 110 Display message Cause Remedy  The selected measurement range  Select the correct measurement undef. has been exceeded. range (see application reports on (Display in the curve pre- the CD-ROM, Principles of measur- ...
  • Page 91 0 of 19  ® OxiTop Control OC 110 What to do if... Display message Cause Remedy  No measuring head was found by  Modification of the distances or called up the controller. angle  The measuring heads are placed ...

  • Page 92: Display Messages On The Charging Status Of The Batteries

    ® What to do if... OxiTop Control OC 110 12.2 Display messages on the charging status of the bat- teries 12.2.1 Batteries in the controller Display message Notes/ explanation The warning appears for approx. 3 seconds. The instrument then continues to run normally. The instrument can still be safely operated within the specifications.

  • Page 93: General Information

    ® OxiTop Control OC 110 What to do if... 12.3 General information Cause Remedy  The BOD Routine operating mode  Switch the instrument to the No or missing sample entries in the sample is switched on. Samples were BOD Standard, BOD Special or management started in the other operating Pressure p operating modesection...
  • Page 94 ® What to do if... OxiTop Control OC 110 Cause Remedy  Prepare the relation separate curve – number of measuring head; see sec- Which measuring head belongs to which mea- tion 5.5 E , page 35. VALUATION surement curve? ...
  • Page 95 PC program checks the RS232 interface. The controller does not Send the controller to WTW. Using a repaired or new controller (memory must react / is defective – the be empty!) perform the “Restore data” procedure (see section 9.6 M...
  • Page 96 ® What to do if... OxiTop Control OC 110 Cause Remedy  The printer is not switched on  Switch on the printer The IR printer does not react  The printer has no optical contact  Establish optical contact with the controller: ...

  • Page 97: Technical Data

    Data of 120 measuring heads Power supply Supply batteries: 3 pieces, alkaline (alkali manganese), size: Mignon, AA, AM3, LR6 Data backup battery: 1 piece lithium battery, CR2430, WTW order no. 209 012 Battery runtime Supply battery > 1000 start-ups in case of normal use...

  • Page 98: Measuring Head Oxitop ® -C Or Oxitop ® -C/B

    ® Technical data OxiTop Control OC 110 ® ® 13.2 Measuring head OxiTop -C or OxiTop -C/B Measuring principle Piezoresistive pressure sensor Operation pressure 500 ... 1350 hPa (mbar). range Maximum allowed pres- 2000 hPa (mbar) sure Accuracy ± 1% of the measured value ± 1 hPa Resolution 1 hPa Display...
  • Page 99 ® OxiTop Control OC 110 Application reports ....9 Reading out data ....78 AutoTemp .
  • Page 100 ® OxiTop Control OC 110 ba31116d05 07/2014...
  • Page 102 For more information on how Xylem can help you, go to xyleminc.com. ® Service address: Xylem Analytics Germany Sales GmbH & Co. KG Dr.-Karl-Slevogt-Str. 1 82362 Weilheim Germany Tel.: +49 881 183-325 Fax: +49 881 183-414 E-Mail wtw.rma@xyleminc.com Internet: www.WTW.com Xylem Analytics Germany GmbH Dr.-Karl-Slevogt-Str. 1 82362 Weilheim Germany...

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