wtw OxiTop C Operating Manual
  1. Manuals
  2. Brands
  3. wtw Manuals
  4. Controller
  5. OxiTop C
  6. Operating manual

wtw OxiTop C Operating Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Operating manual
®
OxiTop
®
OC 100
RUN/ENTER
- C
®
Measuring head
®
OxiTop
C
GLP
ON/OFF
Controller
®
OxiTop
OC 100
ba31114e06
06/2012

Advertisement

Table of Contents
loading

Related Manuals for wtw OxiTop C

Summary of Contents for wtw OxiTop C

  • Page 1 Operating manual ® OxiTop ® OC 100 RUN/ENTER ® Measuring head ® OxiTop ON/OFF Controller ® OxiTop OC 100 ba31114e06 06/2012...
  • Page 2 ® OxiTop Control OC 100 © Copyright Weilheim 2012, WTW GmbH Reproduction in whole - or even in part - is prohibited without the express written permission of WTW GmbH, Weilheim. Printed in Germany. ba31114e06 06/2012...

  • Page 3: Table Of Contents

    ® OxiTop Control OC 100 Contents ® OxiTop Control OC 100 - Contents Overview ......... . 7 ®...
  • Page 4 ® Contents OxiTop Control OC 100 5.4.2 Erasing data of finished samples ....26 5.4.3 Showing the measuring head list ....27 5.4.4 Calling up data .
  • Page 5 ® OxiTop Control OC 100 Contents 10 What to do if........67 10.1 Display messages .
  • Page 6 ® Contents OxiTop Control OC 100 ba31114e06 06/2012...

  • Page 7: Overview

     Microbiological growth and stress examinations  Measurement of anaerobic degradation processes (e.g. biogas determina- tion) Accessories: see WTW catalog and price list 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 8: Literature

    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 9: Safety

    ® OxiTop Control OC 100 Safety Safety Safety information 2.1.1 Safety information in the operating manual This operating manual provides important information on the safe operation of the instrument. Read this operating manual thoroughly and make yourself familiar with the instrument before putting it into operation or working with it. The operating manual must be kept in the vicinity of the instrument so you can always find the information you need.

  • Page 10: Requirements For Safe Operation

    ® Safety OxiTop Control OC 100 2.2.2 Requirements for safe operation Note the following points for safe operation: • The instrument may only be operated according to the authorized use spec- ified above. • The instrument may only be supplied with power by the energy sources mentioned in this operating manual.

  • Page 11: Commissioning

    ® OxiTop Control OC 100 Commissioning Commissioning Scope of delivery ®  Controller OxiTop OC 100  Battery holder with batteries (3 x Mignon, AA, AM3, LR6)  Operating manual  Additional scope of delivery: depending on set composition Power supply ®...

  • Page 12: 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 13 ® OxiTop Control OC 100 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 14 ® Commissioning OxiTop Control OC 100 ba31114e06 06/2012...

  • Page 15: Operation

    ® OxiTop Control OC 100 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 16: Socket Field - Controller

    ® Operation OxiTop Control OC 100 4.1.2 Socket field - controller Switching on 4.2.1 Switching on the controller The current date and time appear for approx. 2 seconds (important for the allocation of sample numbers). If the date or time is wrong, correct them under GLP/TOOLS.

  • Page 17: Menus, Functions And Dialogs

    ® OxiTop Control OC 100 Operation 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 18: The Course Of The Measurement

    ® Operation OxiTop Control OC 100 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 19: Operating Mode: Bod Standard / Bod Routine

    ® surfaces of the rubber sleeves and OxiTop -C. WTW accepts no liability for damage due to the use of joint grease. Starting the measurement SELECT ACTION menu (commu- ...
  • Page 20 ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 100 Confirm the selected RUN/ENTER measurement 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 21 In BOD Routine operating mode there is no  1... identifier in ® OxiTop Control OC 100 Operating mode: BOD Standard / BOD Routine (2). the display, and the controller automatically returns to the entry menu after starting the measuring head. Start the next measuring head Contact selection: The number of the measuring...

  • Page 22: Calling Up All Data

    ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 100 In the delivery state, 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 available).
  • Page 23 ® OxiTop Control OC 100 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 10 W ..., page...

  • Page 24: Sample Status Type List (Sample Management)

    ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 100 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 25: Showing A Sample

    ® OxiTop Control OC 100 Operating mode: BOD Standard / BOD Routine Finished sample Current sample The header line contains the following data of the selected sample:  Sample number  ID number (e.g. I001)  BOD type and run duration. 5.4.1 Showing a sample This function is used to find the measuring heads or samples.

  • Page 26: Erasing Data Of Finished Samples

    ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 100 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;...

  • Page 27: Showing The Measuring Head List

    ® OxiTop Control OC 100 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 relevant sample in the SAMPLE STATUS TYPE list (sample management) and to find individual measuring heads.
  • Page 28 ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 100 Jumps to submenu of the RUN/ENTER selected sample. Preselected: - Call up data Point the controller at the measuring 40 cm to 1 m heads: Sequential call up of the RUN/ENTER measuring heads allocated to the sample (in this example: 7)

  • Page 29: Calling Up Data - Stop

    ® OxiTop Control OC 100 Operating mode: BOD Standard / BOD Routine The controller continues to search for missing measuring heads in the scanner mode. Without having to press another key, you can continue the data queries at other locations (e.g.
  • Page 30 ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 100 Case 1 The sample is still running and individual measuring heads of sample are not attainable. Case 2 The run duration of the sample ended and the finished, com- plete data of the attainable mea- suring heads have been transferred.

  • Page 31: Evaluation

    ® OxiTop Control OC 100 Operating mode: BOD Standard / BOD Routine Evaluation SAMPLE STATUS TYPE list (sample management) Use <><> to select a sam- ple. Use <PRINT> to print out the results with curves. Evaluation of the sample: Display of all the curves together with mean value data.

  • Page 32: Excluding A Curve (Bod Standard Operating Mode)

    ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 100 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 33: Cursor Interrogation

    ® OxiTop Control OC 100 Operating mode: BOD Standard / BOD Routine Display of single curves: Select curve. Use <><> to select RUN/ENTER - Exclude curve. - Exclude curve is preselected. RUN/ENTER - Back: Returns to the previous menu. Message Curve excluded!. RUN/ENTER Updated display (curve excluded, mean value...

  • Page 34: Curves Display For Cold Samples

    ® Operating mode: BOD Standard / BOD Routine OxiTop Control OC 100 Use <><> to run through the RUN/ENTER curve values. Use <PRINT> to print out the current display. 1 The scaling of the Y-axis is automatically adapted to the measured value 2 Measuring time at the cursor position 3 Measured value at the...

  • Page 35: Measured Values Outside The Measuring Range

    ® OxiTop Control OC 100 Operating mode: BOD Standard / BOD Routine 5.5.5 Measured values outside the measuring range In the following cases, undef. (undefined) is displayed instead of the measured value or mean value during evaluation:  A measured curve exceeding the measuring range at any point of its path. ...

  • Page 36: Printing

    ® Printing OxiTop Control OC 100 Printing Switch on the IR printer. Point the controller at the printer: 40 cm to 1 m 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 37 ® OxiTop Control OC 100 Printing Printing from the evaluation: If the controller is  in the display of all curves with cursor display  in the display of the single curves with or with- out cursor interrogation the printout is a copy of the display indication. ba31114e06 06/2012...

  • Page 38: Glp/Tools

    ® GLP/TOOLS OxiTop Control OC 100 GLP/TOOLS GLP/TOOLS main menu GLP/TOOLS menu: Use <><> to select a submenu. 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 39: Show Free Measuring Heads

    ® OxiTop Control OC 100 GLP/TOOLS 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 40: Settings

    ® GLP/TOOLS OxiTop Control OC 100 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 <><> Setting Default setting (bold) and setting range Operating mode BOD Routine...

  • Page 41: Operational Life

    ® OxiTop Control OC 100 GLP/TOOLS Confirm with <RUN/ENTER>. RUN/ENTER Use <><> to select the required operating mode. Confirm with <RUN/ENTER>. - Back:: Return to the main menu SETTINGS: 7.4.2 Operational life Here you determine the run duration of the measurement. SETTINGS menu: Select the - Measuring time menu item with <><>.

  • Page 42: Date/Time

    ® GLP/TOOLS OxiTop Control OC 100 7.4.3 Date/time Here you set the date and time for the controller (important for the assignment of sample numbers). SETTINGS menu: Select the - date/timemenu item with <><> Use <><> to set each num- RUN/ENTER ber block on a black back- ground.

  • Page 43: Glp - Calibration Interval (- Calinterval)

    ® OxiTop Control OC 100 GLP/TOOLS GLP menu: RUN/ENTER Preselected: - GLP Confirm with <RUN/ENTER>. Use <><> to select either GLP On or Off. Confirm with <RUN/ENTER>. 7.4.5 GLP - calibration interval (- Calinterval) Set the time period (1 to 36 months) here. When it expires, the instrument regis- ters that the next test resource monitoring of the measuring heads is due.

  • Page 44: Autotemp

    ® GLP/TOOLS OxiTop Control OC 100 SETTINGS menu: Select the - Memory menu item with <><>. Preselected: MEMORY - Erase RUN/ENTER auto To change it: Confirm with <RUN/ENTER>. Use <><> to select either auto or manual. Confirm with <RUN/ENTER>. - Back (return to the SETTINGS menu) 7.4.7 AutoTemp The AutoTemp function controls the automatic start of the measurement after...
  • Page 45 ® OxiTop Control OC 100 GLP/TOOLS The AutoTemp function is made up of the adaptation phase and the test AutoTemp function phase. Adaptation phase The phase without evaluation of the pressure process. The duration of the adaptation phase is defined for the various measuring times according to the table.

  • Page 46: Switch-Off Interval

    ® GLP/TOOLS OxiTop Control OC 100 SETTINGS menu Select the - AutoTemp menu item with <><>. Preselected: - AutoTemp On RUN/ENTER To change it: Confirm with <RUN/ENTER>. Use <><> to select either - AutoTemp On or Off. Confirm with <RUN/ENTER>. - Back (to the AutoTemp menu) 7.4.8 Switch-off interval The time interval after the last time a key is pressed can be set here.

  • Page 47: Check

    ® OxiTop Control OC 100 GLP/TOOLS SETTINGS menu: Select the - Language menu item with <><>. Preset: RUN/ENTER - Mode German To change it: Confirm with <RUN/ENTER>. Set the required language with <><>. Confirm with <RUN/ENTER>. From now on the displays appear in the selected language.

  • Page 48: Measuring Head Information

    SHOW  menu: - Show free  ® GLP/TOOLS OxiTop Control OC 100 - Free  or - All  RUN/ENTER Preselected: Use <><> to select either Point the controller at the measuring 40 cm to 1 m heads: All the measuring heads that are addressed flash for 5 sec- RUN/ENTER onds.
  • Page 49 ® OxiTop Control OC 100 GLP/TOOLS If the measuring head is "used":  Use <><> to scroll through the display of further information: – Start date – Final date – Sample number – Type and – Measuring range of the measurement ...

  • Page 50: Controller Information

    (see section 7.4.4 GLP (BOD S ), page 42). TANDARD OPERATING MODE ® 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.
  • Page 51 ® OxiTop Control OC 100 GLP/TOOLS 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. For information on the further handling of the sample up to the “finished”...

  • Page 52: Pneumatic Test

    It says nothing about the long-term impermeability of the system. ® To perform the pneumatic test, you require the test resource, OxiTop (WTW order number 209 334). The user interface of the controller guides you through the test: ba31114e06 06/2012...

  • Page 53: Maintenance

    Select the - Pneumatic test  ® OxiTop Control OC 100 GLP/TOOLS CHECK menu. menu item with <><>. Set the plunger of the syringe on RUN/ENTER ® the OxiTop PT test resource to 5 scale parts. Tightly screw the measuring head to be tested onto the Oxi- ®...

  • Page 54: Erasing Finished Samples

    ® GLP/TOOLS OxiTop Control OC 100 7.6.1 Erasing finished samples Here you can erase the data of finished samples that are already evaluated or no longer required in order to free memory in the controller. MAINTENANCE menu: RUN/ENTER - Erase sample preselected ERASE FINISHED SAMP.
  • Page 55 ® OxiTop Control OC 100 GLP/TOOLS ba31114e06 06/2012...

  • Page 56: Reset/Release

    ® GLP/TOOLS OxiTop Control OC 100 After carrying out the - Reset/release  function the data of the 7.6.2 Reset/release This function can be used to release measuring heads again that were uninten- tionally started. measuring head are erased! menu item with <><>. MAINTENANCE menu: Select the - Reset/release RUN/ENTER...

  • Page 57: Restoring Data

    ® OxiTop Control OC 100 GLP/TOOLS 7.6.3 Restoring data In case you lost your controller or your controller is defective, the "Restore data“ function facilitates to restore the data of running measurements 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 58 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 59: Transmitting Data

    ® OxiTop Control OC 100 Transmitting data Transmitting data The RS232 interface is used to transmit data to a PC (see section 4.1.2 S OCKET , page 16). FIELD CONTROLLER For details, see operating manual of the Achat OC software. Achat OC software With the Achat OC software, you can ...
  • Page 60 ® Transmitting data OxiTop Control OC 100 ba31114e06 06/2012...

  • Page 61: 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 62 ® Maintenance, cleaning, disposal OxiTop Control OC 100  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 manganese), Size: Mignon, AA, AM3, LR6).

  • Page 63: 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 64  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 the battery is inserted in the correct position! The positive pole must point upwards.

  • Page 65: Changing The Supply Battery (Measuring Head)

     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/Oxi- ® ). When doing so make sure the batteries are inserted in the correct position! In the GLP/TOOLS - Check - ...

  • Page 66: Cleaning

    ® Maintenance, cleaning, disposal OxiTop Control OC 100 Cleaning 9.2.1 Cleaning of the sample bottles See application reports. 9.2.2 Cleaning of the controller and measuring heads Occasionally wipe the outside of the measuring instrument with a damp, lint- free cloth. NOTE The housing is made of synthetic material (ABS).

  • Page 67: What To Do If

    Set the clock (see section 7.4.3 D , page 42). TIME The selected measuring head is  Select a new and free measuring defective. Please return it to WTW. head or No samples There are no finished samples stored  Transfer the unfinished samples of available! in the sample management.
  • Page 68 No active ! ® What to do if... OxiTop Control OC 100 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 69 ® OxiTop Control OC 100 What to do if... Display message Cause Remedy Memory lack! The instrument works with the set-  Transfer the unfinished samples of No ready samples ting, Erase memory auto (automati- the sample management to autom. erasable! cally).
  • Page 70 ® What to do if... OxiTop Control OC 100 Display message Cause Remedy undef.  The selected measurement range  Select the correct measurement has been exceeded. range (see application reports on (Display in the curve the CD-ROM, Principles of measur- ...
  • Page 71 0 of 19  ® OxiTop Control OC 100 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 72: Display Messages On The Charging Status Of The Batteries

    ® What to do if... OxiTop Control OC 100 10.2 Display messages on the charging status of the batteries 10.2.1 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 73: General Information

    ® OxiTop Control OC 100 What to do if... 10.3 General information Cause Remedy No or missing sample  The BOD Routine operating mode  Switch on the BOD Standard oper- entries in the sample is switched on. Samples were ating mode management started in the other operating...
  • Page 74 ® What to do if... OxiTop Control OC 100 Cause Remedy Which measuring head  Prepare the relation separate curve – number of belongs to which measuring head; see section 5.5 E , page 31. VALUATION measurement curve?  Read number of measuring head out of headline ...
  • Page 75 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 – be empty!) perform the “Restore data” procedure (see section 7.6 M...
  • Page 76 ® What to do if... OxiTop Control OC 100 Cause Remedy The IR printer does not  The printer is not switched on  Switch on the printer react  The printer has no optical contact  Establish optical contact with the ...

  • Page 77: 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 78: Oxitop

    ® Technical data OxiTop Control OC 100 ® 11.2 OxiTop -C measuring head 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 79: Index

    ® OxiTop Control OC 100 Index Index Application reports ....8 Safe operation ..... . . 9 AutoTemp .
  • Page 80 ® Index OxiTop Control OC 100 ba31114e06 06/2012...
  • Page 82 Wissenschaftlich-Technische Werkstätten GmbH Dr.-Karl-Slevogt-Straße 1 D-82362 Weilheim Germany Tel: +49 (0) 881 183-0 +49 (0) 881 183-100 Fax: +49 (0) 881 183-420 E-Mail: Info@WTW.com Internet: http://www.WTW.com...

This manual is also suitable for:

Oxitop oc 100

Table of Contents