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Operating instructions Groundwater datalogger OTT CTD

1. The combination of Only observer mode with a password protects the operating program against unauthorized input of operating parameters The Advanced operation option displays an additional button in the window for setting the operating parameters 25 Fig 15 Display input window OTT CTD 26 operating program observer The window displays the current instanta neous value for all measurements Furthermore the window displays the window sensor number name the current battery voltage the amount of power used from the batteries up to now and the date and time Call the observer function as follows Start the OTT CTD operating program Set up the PC OTT CTD communication link see Chapter 7 2 Depending on the option set In the start window of the OTT CTD operating program either select View Instantaneous Values or Setup device and in the subsequent window select the View Instantaneous Values function in the OTT CTD menu gt the OTT CTD starts an instantaneous value measurement and the Observer window opens fi Orpheus Mini OTT CTD operating program Observer x CTD 1 0000254892 45V 0 0204h 11 11 2009 16 40 55 Water level 0001 1 25 1 51 m Observer registration with value change Temperature 0002 20 34 C Specific Conductivity 0004 26 72 mS cm Salinity 0005 18 21 PSU TDS 0006 17 10 mg l Supply voltage 0003 4 5 Da Store Refresh Exit I Auto
2. ZOTT Operating instructions Groundwater datalogger OTT CTD These operating instructions version 01 1009 cover the OTT CTD software versions OTT CTD firmware from V 1 00 0 OTT CTD operating program from V 1 50 0 The OTT CTD firmware version can be found in the Advanced operation mode OTT CTD window of the operating program The version of the operating program can be found via the Info function in the Help menu We reserve the right to make technical changes and improvements without notice Table of contents 10 12 13 14 15 16 17 18 19 20 21 Scope of supply Order numbers Safety information Introduction Installing checking and exchanging batteries Installing the OTT CTD 6 1 Installing in 1 observation wells 6 2 Installing in 2 3 4 5 or 6 observation wells top cap with adapter plate recess 6 3 Installing in observation wells beginning at 2 diameter top cap without adapter plate recess 6 4 Installing in observation wells beginning at 2 diameter without a top cap Setting OTT CTD operating parameters 7 1 Installing the OTT CTD operating program 7 2 Establishing a communication link from PC to OTT CTD 7 3 Setting OTT CTD operating parameters 7 4 Saving loading OTT CTD configuration 7 5 Importing exporting OTT CTD configuration Determining and displaying instantaneous values observer function Reading out data Exporting data Display
3. Feed the communication unit into the observation well until the O ring sits on the observation well see Figure 6 Raise and lower the pressure probe in quick succession approx 30 cm this removes any air bubbles in the conductivity sensor Set operating parameters see Chapter 7 Close the observation well cover carefully Caution Do not damage the infra red interface maintain correct spacing Fig 6 Installing the OTT CTD in 1 observation well Observation well cover example Infrared interface O ring 1 Observation well Fig 7 Installing the OTT CTD in 2 3 4 5 or 6 observation wells Example 2 observation well 6 2 Installing in 2 3 4 5 or 6 observation wells top cap with adapter plate recess Required accessories OTT top cap with appropriate sized recess and the matching adapter plate Install the OTT CTD as follows Preliminary work If not already done install batteries see Chapter 5 Open the top cap cover Insert correctly sized adapter plate into top cap Pass pressure probe through the hole in the adapter plate Slowly and carefully lower the pressure probe into the observation well with the pressure probe cable see Fig 8 Raise and lower the pressure probe in quick succession approx 30 cm this removes any air bubbles in the conductivity sensor Pass the communication unit through the hole in the adapter plate until the O ring
4. based on the specific conductivity The pressure probe uses the hydrostatic pressure of the water column above a relative pressure measuring cell to determine the water level pressure compen sation capillary in the pressure probe cable gives the measuring cell the current ambient air pressure as a reference Erroneous measurement results due to atmos pheric air pressure fluctuations are thus eliminated The OTT CTD measures the specific electrical conductivity using a 4 electrode conductivity sensor with inte grated temperature sensor The measurement electrodes are made of graphite The temperature compensation process for the conductivity measurement and the reference temperature used can be chosen as well as the calculation method for the salinity The OTT CTD is available with five water level measuring ranges m water column 0 0 4 bar 10 m water column 0 1 bar 20 m water column 0 2 bar DOGG 40 m water column 0 4 bar 0 100 m water column 0 10 bar With the help of a reference value that is input during startup the OTT CTD s standard setting provides measurement results in the form of depth values Alter natively measured values can be levels or pressures The measurement intervals sample intervals can be preselected as necessary The operating parameters are adjusted with the OTT CTD Operating program PC software This software allows the system to be conveniently and flexibly
5. Deutsch directory e g double click on the file symbol the Setup Assistant opens and guides you through the installation Follow the installation instructions on the screen 1 Alternatively English or Frangais or VEspafiol 7 2 Establishing a communication link from PC to OTT CTD In the following chapters establishing a communication connection between the OTT CTD and a PC is a pre requisite for the subsequent steps The following description illustrates the various methods of setting up this communication link The communication between the OTT CTD and a PC is established without contact via invisible infrared light IrDA interface Required accessories OTT Duolink reading head or OTT IrDA Link USB reading head 1 with PCB version b see label on the connection line Note Together with a modem and the OTT ITC intelligent top cap it is possible to establish a remote communication connection See online help How to establish a communication link Start the OTT CTD operating program Change the language for the OTT CTD operating program as required Press function key F3 multiple times until the required language appears In the start window press the Setup device button the operating program displays the Basic operation window No operating parameters for the OTT CTD are visible yet Setting up a communication link with the OTT Duolink reading head Connect the OTT Duolink reading
6. L PUR ABS PC stainless steel 1 4539 904 L 1 4462 UNS 31803 IP 67 submersion depth max 2 m submersion duration max 24 h IP 68 complies with EN 61000 4 2 4 kV contact discharge complies with EN 61000 4 3 10 V m complies with EN 61000 4 4 2 kV complies with EN 61000 4 5 4 kV complies with EN 61000 4 6 10 V complies with EN 55022 Class B 30 1000 MHz 41 Appendix A Declaration of conformity for OTT CTD OTT Konformit tserkl rung Declaration of Conformity Declaration de Conformit Wir We Nous OTT Messtechnik GmbH amp Co KG Anschrift Address Adresse Ludwigstra e 16 D 87437 Kempten erkl ren da das Produkt declare that the product declarons que le produit Bezeichnung Name Nom OTT CTD Artikel Nr Article No No d Article 55 445 001 9 0 mit den Anforderungen der Normen fulfills the requirements of the standard satisfait aux exigences des normes EG 2004 108 EG national international EN 61000 6 4 IEC 61000 6 4 St raussendung emission mission Klasse class classe B class classe B St rfestigkeit noise immunity immunit EN 61000 6 2 IEC 61000 6 2 EN 61000 4 2 4 kV 8 kV IEC 61000 4 2 4 kV 8 kV EN 61000 4 3 10 V m IEC 61000 4 3 10 V m EN 61000 4 4 1 kV 2 kV IEC 61000 4 4 1 kV 2 kV EN 61000 4 6 10 V IEC 61000 4 6 10 V und den hinterlegten Pr fberichten bereinstimmt und damit den Bestimmungen entspricht and the taken test
7. OTT CTD as follows example Preliminary Work If not already done install batteries see Chapter 5 Make a hole 6 5 mm laterally at the upper end of the observation well Attach the suspension bracket with an M6 hex bolt and M hex nut both stainless steel to the observation well see Fig 11 Pass the pressure probe through the holes in the suspension bracket Slowly and carefully lower the pressure probe into the observation well with the pressure probe cable Raise and lower the pressure probe in quick succession approx 30 cm this removes any air bubbles in the conductivity sensor Pass the communication unit through the holes in the suspension bracket until the O ring sits on the suspension bracket see Fig 10 Determine the current depth with a contact gauge and make a note of it Set operating parameters see Chapter 7 Hex nut A Plate se Hexagon bolt Suspension bracket Observation well 17 18 7 Setting OTT CTD operating parameters To set the OTT CTD operating parameters you need the PC software OTT CTD Operating program WBSPLO exe This software is contained on the OTT CTD Software CD ROM accessory Hardware and software requirements see CD insert 7 1 Installing the OTT CTD operating program Install the OTT CTD operating program as follows Insert the OTT CTD Software CD ROM into the drive of the PC Start the setup exe file in the Software
8. OTT CTD operating program Set up the PC OTT CTD communication link see Chapter 7 2 Press the Download Data button in the start window the operating pro gram shows the available sensors and the possible read period If these para meters are not visible press the Connect button Select the required sensors or All sensors Select the required read period or All Click the Read out button the operating program copies the measured values from the OTT CTD to the PC The data are then available in the program directory of the operating program If necessary Display measurements via the View export data function and or export to a software application Click on the Back button Fig 16 Read out data ER OTT Orpheus Mini OTT CTD operating program Download data op x File Help 0000254892 All sensors 11 01 2009 1171272009 11711720098 Tal 1171272009 v Read I View Export data OTT Orpheus Mini OTT CTD IrDA OTT DuoLink Connect Back comi 5 4 Alternative possibilities for readouts With the OTT CTD operating program and an OTT ITC In conjunction with a modem and the OTT ITC intelligent top cap it is also possible to establish a remote communication link See online help With the PC application OTT Hydras 3 Basic Select the required station in the tree display by double clicking make the required settings in the subsequent window and click on the Start button For fu
9. and water Clean graphite electrodes and temperature sensors for the conductivity sensor with soapy water and cotton buds Lime scale deposits can be removed using a common household scale remover Make sure to follow the use and safety instructions of the scale remover Rinse the pressure probe thoroughly with clear water Reattach the black protective cap Recommendation Calibrate the conductivity sensor see Chapter 16 4 Reinstall OTT CTD see Chapter 6 Determine current reference value with a contact gauge and enter it see Chapter 7 3 or 8 Close the top cap observation well cover Pressure probe with Temperature sensor conductivity sensor and datalogger Black protective cap Graphite Conductivity electrodes sensor Pressure Sensor Fig 23 Replacing the desiccant capsules 16 2 Replacing the desiccant capsules Recommended interval Depending on the level of air humidity at the station every 12 to 24 months and when replacing the batteries How to replace the desiccant capsules Open the top cap observation well cover Pull the communication unit approximately 80 cm out of the observation well and hold a second person would be useful Slide the pipe casing of the communication unit approximately 30 cm in the direction of the pressure probe cable The rubber stop located on the pressure probe cable see Fig 1 prevents the pipe casing from falling Remove used desiccant capsules Install 2 new des
10. head to a serial PC interface COM1 etc Place the OTT Duolink reading head on the OTT CTD infrared interface see Fig 12 In the OTT CTD operating program select the communication path IrDA OTT Duolink and the serial interface used COMI etc Setting up a communication link with the OTT IrDA Link USB reading head Connect the OTT IrDA Link USB reading head to a USB interface on the PC USB interface drivers must be installed see separate installation instructions Place the OTT IrDA Link USB reading head on the OTT CTD infrared interface see Fig 12 Select the communication path IrDA OTT IrDA Link in the operating program Notes The integrated infrared interface of a PC standard for many notebooks can only be used with the Windows 95 and Windows NT operating systems The OTT CTD infrared interface has a radiation angle of approx 15 Caution OTT CTD connected to OTT ITC Establishing a communication connection can take up to a minute This is always the case if the OTT CTD attempts to communicate with the OTT ITC e g SMS message and the OTT ITC is open at the time Fig 12 Establishing a communication link PC OTT CTD 19 7 3 Setting OTT CTD operating parameters How to set the OTT CTD operating parameters Click the Read button alternatively Menu OTT CTD function Read the operating program reads the current operating parameters of the OT
11. tailored to a wide range of measurement requirements The software can be set to provide a basic or an advanced operator interface The basic operator inter face allows all settings to be adjusted within a single program window In the advanced operator interface the sample interval can be controlled with limit events for example The software also supports the execution of pump tests The stored measured values are made available through an infrared interface IrDA for wireless readout by a PC with OTT CTD Operating program or OTT Hydras 3 or by a PDA with OTT Hydras 3 Pocket Together with an OTT ITC intelligent top cap accessory remote data transfer and remote parameter input is possible via the GSM mobile telephone network GSM global system for mobile communications The remote data transfer can be optionally carried out by SMS text messages or using the packet oriented mobile radio transmission service GPRS general packet radio service The OTT CTD is installed simply by hanging it in observation wells of 1 in diame ter and larger Various adapters suspension brackets are available as accessories for this purpose Three 1 5 V lithium batteries type AA provide an operating life of over five years sample interval 1 hour system length 50 m Alternatively alkaline batteries with a limited working life can be used The communication unit of the OTT CTD can withstand temporary flooding for details see chapter 21 Technical
12. to archive the OTT CTD configuration on a PC For example you can provide multiple OTT CTDs with the same confi guration To store a configuration Select the Save configuration function in the File menu or use the button the operating program stores the configuration under the name and number of the OTT CTD When changes are made to a configuration that has already been saved confirm the window that appears Warning this configuration name already exists Overwrite with Yes otherwise save the configuration under a different station number To load a configuration proceed as follows Select the Load configuration function in the File menu or use the button For an already opened configuration confirm Ignore changes message with Yes if necessary save configuration previously In the Saved OTT CTD Configurations window select the configuration by double clicking it the operating program loads the configuration 7 5 Importing exporting an OTT CTD configuration To transfer an OTT CTD configuration via diskette or E mail for example the func tions Import Export are available Likewise a configuration can be sent via Export as an XML file to the OTT Hydras 3 user software In the process the OTT Hydras 3 user software completely applies all of the measurement stations sensor configu rations to an OTT Hydras 3 operating range Available export import formats Export BIN file Export to a text file
13. to measure groundwater levels the water temperature and the specific conductivity of the groundwater Only use the OTT CTD as described in these operating instructions For further information see Chapter 4 Introduction Note all the detailed safety information given within the individual work steps All safety information in these operating instructions are identified with the warning symbol shown here Ensure the electrical mechanical and climatic specifications listed in the technical data are adhered to For further information see Chapter 11 Technical data Handle the pressure probe cable carefully Do not kink the cable or pull it across sharp edges Do not make any changes or retrofits to the OTT CTD If changes or retrofits are made all guarantee claims are voided Have a faulty OTT CTD inspected and repaired by our repair center On no account carry out repairs yourself For further information see Chapter 19 Repair Dispose of the OTT CTD properly after taking out of service On no account put the OTT CTD into the normal household waste For further information see Chapter 20 Notes about the disposal of old units 4 Introduction The OTT CTD groundwater datalogger provides precise measurement and record ing of groundwater levels and temperatures as well as the specific electrical conductivity of the groundwater The OTT CTD also calculates the salinity and a TDS value Total Dissolved Solids
14. value with one minute added to the stored time The date and time are set using the OTT CTD operating program Set the date and time as follows Start the OTT CTD operating program Set up the PC OTT CTD communication link see Chapter 7 2 Click on the Setup device button in the start window Select the Date time function in the OTT CTD menu the operating program reads the date and time out from the OTT CTD and opens the OTT CTD date time window gjort Orpheus Mini Z OTT CTD Date time x OTT CTD 12 11 2009 15 49 02 Refresh PC 12 11 2009 15 49 04 Set date time E 11 2009 15 5002 Exit If necessary click on the Refresh button the OTT CTD reads out the date and time again If necessary set the values required in the two input fields Click on the Set date time button the operating program sets the OTT CTD date and time to the PC time date or the values set Caution If the PC is on summer time mode ID PC DST the operating pro gram automatically uses the standard time without summer correction winter time To receive continuous time series it is a good idea not to use summer time in the OTT CTD In connection with a GPRS remote data transfer and the Time synchronization function it is necessary to refer the time to UTC GMT and to set the time zone of the station in the Advanced operation OTT CTD window see online help Click on the Exit button
15. 2 within 10 minutes Ensure that the polarity is correct Slide the pipe casing of the communication unit back on until it stops Slowly and carefully place the communication unit back into the observation well Close the top cap observation well cover Notes The OTT CTD stores the measured values in a non volatile memory This pre vents any data loss when replacing the batteries This also applies to storage over a long time period with the batteries removed If it takes longer than approx 10 minutes to replace dead batteries the time and possibly the date will have to be re entered see Chapter 13 Date and time settings Furthermore it takes dependent on how much data is stored up to 7 minutes until the OTT CTD begins measurements again When replacing the batteries we recommend changing the desiccant capsules at the same time see Chapter 16 2 Replacing the desiccant capsules Fig 3 Installation accessory set Part 1 10 1 hole for OTT CTD 2 hole for contact gauge 3 recess for screws on the top cap 6 Installing the OTT CTD System length up to 100 meters The installation of the OTT CTD is carried out by suspending it in the observation well In the process the necessary accessories and type of installation varies depending on the diameter of the observation well and the design of the top cap 1 observation wells see 6 1 2 3 4 5 or 6 observation wells see 6 2 OTT top caps with recess fo
16. Export for the OTT Hydras 3 user software Import BIN file The operating program stores all the necessary data of a configuration depending on the export type in its own BIN TXT or XML file Export a configuration as follows BIN file This export type is required to transfer an OTT CTD configuration as a BIN file The configuration can be read back into the OTT CTD operating program via the Import configuration function Select the Export configuration function in the File menu In the OTT CTD export configuration window edit the file name if necessary select the memory location and click on Save the operating program stores the configuration ina BIN file Note The file name of the BIN file is arbitrary The operating program suggests a combination of station number and station name 23 24 To export a configuration text file This export type is required to transfer an OTT CTD configuration for documentation purposes as a TXT file This TXT file can be opened with any text editor or text processing program Select the Export text file function in the File menu In the OTT CTD export configuration window edit the file name if necessary select the memory location and click on Save the operating program stores the configuration in a TXT file Note The file name of the TXT file is arbitrary The operating program suggests a combination of station nu
17. OTT CTD operating program is located Set up the PC OTT CTD communication link see Chapter 7 2 Select the Firmware update function in the OTT CTD menu Confirm message with Yes the operating program copies the new firmware to the OTT CTD Afterwards the OTT CTD determines and saves the water level the water temperature and the specific conductivity again in accor dance with the sample interval set Caution During the update avoid breaking the communication link e g by accidentally removing the OTT Duolink from the infrared interface of the OTT CTD If the communication link is broken the firmware will no longer run In the same way no other programs should be started or files opened during the copying process Notes If there are multiple bin files in the directory you will have to manually select the required file The measurements saved in the OTT CTD are not lost after an update 33 34 Fig 22 Cleaning the pressure probe 16 Maintenance work 16 1 Cleaning the pressure probe Recommended interval every 12 months with difficult local measuring conditions heavy deposits as required every 4 to 6 months Measurements that are inaccurate or not plausible indicate a soiled pressure sensor How to clean the pressure probe Open the top cap observation well cover Completely remove the OTT CTD from the observation well Remove the black protective cap Clean the pressure sensor carefully using a brush
18. T CTD Adjusting operating parameters see overview on page 21 If necessary Set up cyclical data transfer with SMS text message in combi nation with an OTT ITC intelligent top cap or Set up cyclical data transfer using GPRS in combination with an OTT ITC intelligent top cap see below Set time adjust the proposed PC date time or individually set date time using Set date time see also Chapter 13 Caution The operating program automatically corrects any summer time PC adjustments Click the Program button Warning Reset the OTT CTD and delete data memory additionally Confirm with Yes recommended for initial installation and reinstallations Caution All measured values collected until now will be permanently lost Check the level of the adjusted measured value pressure sensor See Chapter 8 Remove OTT Duolink Close the top cap observation well cover If necessary Set up cyclical data transfer with SMS text message in combination with an OTT ITC intelligent top cap Activate check box Modem ITC connected Activate check box SMS data transmission active Click on the ITC settings button the operating program starts an Assistant for setting all the necessary operating parameters Enter the receiver phone no for the data SMS phone number of a large account or for a PC with GSM modem Click on the Next button Enter SIM PIN 4 digit of the SIM card Click on the Next button Set or
19. TD operating program password Click on the Program button Warning Reset OTT CTD and delete data memory additionally Confirm with No the OTT CTD is now protected against unauthorized operation Communication interface General Modem ITC Password OTT CTD Caution If the password is lost you can no longer configure or parameterize the OTT CTD If this occurs contact the OTT HydroService How to release a password protected OTT CTD Start the OTT CTD operating program Set up the PC OTT CTD communication link see Chapter 7 2 Click on the Setup device button in the start window Select the Enter password function in the OTT CTD menu Enter password Click on the OK button Confirm message Password accepted OTT CTD unlocked with OK Click on the Read button the operating program reads in the current OTT CTD operating parameters OTT CTD x Enter password 0 9 4 Z Abbrechen 31 32 Fig 21 OTT CTD date and time settings 13 Date and time settings The internal clock of the OTT CTD is a high accuracy realtime clock It runs as soon as batteries are installed in the OTT CTD After the batteries are removed the clock will continue to run for approximately 10 more minutes For longer periods of power interruption the OTT CTD loses the date and time When batteries are re installed the OTT CTD assumes the date and time of the last stored measured
20. The OTT CTD date time window closes 14 Deleting data memory Caution The stored measured values in the OTT CTD are permanently lost when deleting the data memory If necessary read out measured values before deleting Delete the data memory as follows Start the OTT CTD operating program Set up the PC OTT CTD communication link see Chapter 7 2 Click on the Setup device button in the start window Select the Delete data memory function in the OTT CTD menu Acknowledge the warning Are you sure you want to delete data memory with Yes the operating program deletes the complete data memory of the OTT CTD all measurement channels including the info channel Afterwards the OTT CTD determines and saves the water level the water temperature and the specific conductivity again in accordance with the sample interval set 15 Update OTT CTD firmware If necessary you have the possibility to update the OTT CTD firmware operating system This makes sense if for example devices delivered at different times are to receive the same operating system version Updating is carried out via the OTT CTD operating program According to availability an updated version of the OTT CTD firmware can be found on the internet site www ott com How to update the firmware Download the new version of the firmware file e g OTT CTD V1 00 3 bin from the Internet site Copy the file OTT CTD VX XX X bin to the directory in which the
21. anufacturers Do not mix lithium and alkaline batteries Properly dispose of dead batteries Do not include in household waste Suitable battery types 3x 1 5 V AA cells LR6 FR6 alkaline or lithium design LiFeS Energizer L91 Insert the batteries as follows Slide the pipe casing of the communication unit approximately 30 cm in the direction of the pressure probe cable Insert 3 batteries LR6 FR6 AA in the battery compartment as shown in Figure 2 Ensure that the polarity is correct Screw the pipe casing of the communication unit back on Notes The OTT CTD begins measurements within a few seconds of the batteries being inserted there is no on off switch If the OTT CTD is to be shut off remove the batteries This will prevent the batteries from draining prematurely and will stop any recording of unusable measurements When bringing back into operation it takes dependent on how much data is stored up to 7 minutes until the OTT CTD begins measurements again Battery compartment Backstop Pipe casing communication unit LR6 FR6 AA Battery Battery life For a 1 hour sample interval an 50 m system length without ITC Lithium batteries at least 5 years Alkaline batteries at least 1 5 years high quality battery types Notes The operating program has a calculation function that determines the approxi mate battery life based on the operating parameters currently set The basis fo
22. asuring range m 3 or 2 cm 1 or 0 feet 2 or 1 inch 1 or O bar 4 or 3 psi 3 or 2 C 2or I F Zor 1 for the pressure output type 7 input reference for the depth output type 7 input contact gauge value for the level output type 7 enter staff gauge value generate reference to the level zero pressure 558 24h time delay at which the OTT CTD records measured values and stores them store only if sample interval mean interval The sample interval setting is at a fixed time raster e g sample interval of 10 minutes time raster 00 10 00 20 00 30 55 24h time delay during which the OTT CTD calculates an arithmetic mean from the sample interval values and stores it The storage interval must be equal to or larger than the sample interval The sample interval must divide exactly into the storage inter val e g sample interval 10 minutes storage interval 1 hour the OTT CTD stores an arithmetic mean from 6 sample interval values each hour 21 22 Additional settings for conductivity salinity and TDS Temperature compen the mathematical algorithm on which the calculation sation Conductivity of the specific conductivity at a defined reference temperature is based Possibilities Freshwater Saltwater Standard method 2510 ISO 7888 EN 27888 none For the Standard method 2510 the reference temperature can be selected 20 C or 25 C Calculation method the mathe
23. com www ott com
24. data Fig 1 Setting up a groundwater measure ment station with the OTT CTD The OTT CTD essentially consists of three com ponents Communication unit pressure probe cable and pressure probe with datalogger OTT CTD system length length of communication unit cable length length of pressure probe with datalogger The system length is required when ordering an OTT CTD When setting the OTT CTD operating parameters the system length is not required The rubber stop attached to the pressure probe cable prevents the pipe casing from falling when the communication unit is open Do not move the rubber stop Top cap Observation well Pressure probe cable Pressure probe with datalogger unit 77 7777777777 7 777 7777777771777717 777777171 Communication unit O Oo r Rubber stop D E 2 E 2 N S a Y Mine T A E E2 o 8 R g u 2 5 a 5 o 3 gt DE POS 58 Ej 3 aii BLO Se No un IT N Conductivity sensor oO o I Pressure Sensor 7777717 Fig 2 Installing batteries 5 Installing checking and exchanging batteries Please note Only use the battery types indicated no rechargeable batteries Always use brand new batteries Do not mix used and new batteries Do not mix batteries of different m
25. dow with the graphical view of the selected data Show ruler function key F10 Move ruler arrow keys Zoom in draw the required area by dragging with the mouse Zoom out function key F12 Print graphic Select the Print function in the File menu Close graphic Select the Exit function in the File menu or X How to display the data numerically Click on the View export data button in the start window Select the required station sensor in the list multiple selection possible Click on the Table button the operating program displays the window with the numerical view of the data in the OTT data protocol Only display measured values select Values Highlight special areas only with information data Select Observer amp operation Alarm amp limit Communication amp error Error amp service log Print numerical display Select the Print function in the File menu Close numerical display Select the Exit button or RI How to delete the data Select the required station sensor in the list multiple selection possible Click on the Delete button Confirm the confirmation message with OK gjort Orpheus Mini OTT CTD operating program View Export data File Help Station FROM Date 0000254892 11 11 2009 12 11 2009 0000254892 0002 11 11 2009 12 11 2009 Graphic 0000254892 0003 11 11 2009 12 11 2009 0000254892 0004 11 11 2009 12 11 2009 Tab
26. easured values Temperature values erroneous check configuration for advanced operation see online help Pressure sensor values erroneous check configuration for advanced operation see online help check the pressure compensation capillary in the communication unit blocked If necessary clean check pressure sensor for contamination Clean if necessary The standard factory configuration is located on the OTT CTD software CD ROM 37 38 Conductivity values erroneous check configuration for advanced operation see online help check conductivity sensor for contamination If necessary clean and then recalibrate Calculated salinity values erroneous Err 05 check configuration for advanced operation see online help input value is outside valid range salinity by standard method 1 0 C lt t lt 35 0 C for salinity 2 0 PSU lt salinity lt 42 0 PSU Salinity by USGS 2311 method 0 C lt t lt 30 0 C for salinity 2 0 ppt lt salinity lt 60 0 ppt Observer does not display calculated salinity values values lie outside the valid range salinity according to standard method 2 0 PSU lt salinity lt 42 0 PSU salinity according to USGS 2311 method 2 0 ppt lt salinity lt 60 0 ppt No measured values in database Configuration incorrect check configuration for advanced operation see online help Battery voltage lower than about 3 6 V2
27. enter the SMS C phone no of the network operator Phone number of the SMS service center The SMS C phone number is normally already saved on the SIM card in this case set to SIM card Click on the Next button Select the SMS transfer mode Click on the Next button Set the interval for transmission of the storage values Click on the Next button Set the offset time for the transmission interval Click on the Exit button Check the settings afterwards and correct as necessary Click on the OK button If necessary Set up cyclical data transfer using GPRS in com bination with an OTT ITC intelligent top cap Activate check box Modem ITC connected Activate check box GPRS data transmission active Click on the ITC settings button the operating program opens a window with several tabs for setting all the necessary operating parameters Make the required settings in the General Operator FTP and Time sync tabs Caution The SIM PIN for the SIM card used should be deactivated Otherwise enter the SIM PIN in the Modem ITC tab advanced operation mode Click on the OK button 1 For further information refer to the online help org Orpheus Mini OTT CTD operating program Meas type Meas range Unit Sample interval Storage interval Measuring range System length Date time File OTTCTD ITC Help OTT CTD Number 0000254892 Name nr t lt iC s s sS Battery
28. es OTT OrpheusMini_CTD Export No path can be set for the Excel format the operating program automatically opens Microsoft Excel during the export and displays the data in a new worksheet In format Hydras 3 the 2 button can be used to automatically find the installation directory of OTT Hydras 3 In format CSV set the Field separator Dec separator Date format and Time format For the date and time formats the typical windows place holders can be used Step 2 Exporting data Select the required station sensor in the list multiple selection possible Click on the Export button Confirm message about successful export with OK If necessary delete the exported data click on the Delete button Confirm the message with Yes Fig 17 Display export data 11 Displaying data After reading out into the OTT CTD operating program the measurement and information data can be found in the the RAWDATA sub directory of the pro gram directory standard setting C Program files OTT OrpheusMini_CTD RAWDATA For an initial check you can display the data graphically and numerically and print them out if necessary How to display the data graphically Click on the View export data button in the start window Select the required station sensor in the list multiple selection possible info data can only be displayed numerically Click on the Graphic button gt the operating program displays the win
29. esistance to electrostatic discharge ESD Resistance to electromagnetic fields Resistance to transient fields burst Resistance to surge Resistance to HF asymmetric Line borne and radiated interference 4 MB approx 500 000 9 1 Info channel Water level pressure Temperature Conductivity Supply voltage 5 seconds 24 hours 5 seconds 24 hours Simple or advanced operation 5 extended sample intervals with start stop time indication support of pump fests Selection of units Pressure level measurement or depth measurement With consideration of the local gravitational acceleration Compensate for water density using salinity and temperature Temperature compensation for conductivity Options Freshwater Saltwater Standard method 2510 reference temperature 25 C or 20 C ISO 7888 EN 27888 none Salinity standard method or USGS 2311 Display of instantaneous values with level monitoring function Password protection Measured value processing Calculation of mean delta storage scal ing function extreme value storage limit control of the sample interval Virtual sensor virtual terminal Together with OTT ITC alarm management remote data transfer 1 2 3 4 4 5 5 6 gt 2 400 mm x 22 mm 317 mm x 22 mm 1 5 200 m 1 5 cm approx 0 410 kg approx 0 430 kg approx 0 082 kg m ABS POM stainless steel 1 4539 904
30. his removes any air bubbles in the conductivity sensor Pass the communication unit through the holes in the suspension bracket until the O ring sits on the suspension bracket see Fig 10 Determine the current depth with a contact gauge and make a note of it Set operating parameters see Chapter 7 Close the top cap Suspension bracket 15 16 Fig 10 Installing the OTT CTD in obser vation wells beginning at 2 diameter with a top cap without a recess Example 2 observation well Top cap upper part Screw Communication 2 ae Infrared unit interface Suspension O ring bracket Caution For top caps with installed suspension brackets never completely remove the screw in the top cap Otherwise the suspension bracket and the OTT CTD will fall into the observation well Fig 11 Example installation of an OTT CTD in an observation well beginning at 2 diameter Proceed similarly for other local conditions 6 4 Installing in observation wells beginning at 2 diameter without a top cap For this installation case an individual solution to fasten the OTT CTD must be found depending on the measurement station Example fix a suspension bracket with an M hex bolt nut laterally at the upper end of the observation well Required accessories Suspension bracket for example M hex bolt plate and M hex nut Install the
31. iccant capsules Slide the pipe casing of the communication unit back on until it stops Slowly and carefully replace the communication unit into the observation well Close the top cap observation well cover Pipe casing Communication unit Dessicant capsules 16 3 Checking replacing the batteries See Chapter 5 16 4 Calibrating the conductivity sensor The goal of the calibration is to determine the so called cell constant for the con ductivity sensor To do this it is necessary to check the zero point and to carry out a conductivity measurement with a standardized calibration solution The cell constant as well as the unchanging geometric measurements the mate rials used and the construction of the conductivity sensor takes account of the aging process of the electrodes Recommended interval every 12 months after every cleaning with difficult local measuring conditions heavy deposits as required every 4 to 6 months Required accessories standardized calibration solution calibration container see Chapter 2 Order numbers 35 Caution For an optimum calibration process the OTT CTD and the calibration solution must be at the surrounding temperature How to calibrate the conductivity sensor Carefully clean the pressure probe and dry well see Chapter 16 1 Start the OTT CTD operating program Set up the PC OTT CTD communication link see Chapter 7 2 Press the Setup device button Butto
32. ing data Protecting the OTT CTD and OTT CTD operating program with a password Date and time settings Deleting the data memory Installing new OTT CTD firmware Maintenance work 16 1 Cleaning the pressure probe 16 2 Replacing the desiccant capsules 16 3 Checking replacing the batteries 16 4 Calibrating the conductivity sensor Error messages Troubleshooting fault correction Repair Notes about the disposal of old units Technical data Appendix A Declaration of conformity for OTT CTD 28 29 30 31 33 34 34 38 40 40 41 43 1 Scope of supply OTT CTD I groundwater datalogger consisting of a communication unit with installed O ring pressure probe cable with pressure compensation capillary and Kevlar core for longitudinal stabilization 2 desiccant capsules pressure probe with integrated conductivity sensor and datalogger 3x 1 5 V batteries alkaline LR6 AA or lithium design FR6 AA 1 brief Instructions I factory acceptance test certificate FAT 2 Order numbers OTT CTD Accessories Groundwater datalogger Information needed for order Measuring range 0 A m 0 10m 0 20 m 0 40 m 0 100 m System length 1 5 200 m 1 5 cm Battery type alkaline lithium Installation kit consisting of adapter ring 1 adapter plates 2 4 6 suspension bracket Adapter plates 3 and 5 Suspension brackets for top caps starting at 2 with
33. insert new batteries The standard factory configuration is located on the OTT CTD software CD ROM 19 Repair With a problem with the device use Chapter 18 Troubleshooting fault correction to see if you can resolve the problem yourself In case of device defects please contact the repair center of OTT OTT Hydromet GmbH Repaircenter Ludwigstrasse 16 87437 Kempten Germany Telephone 49 831 5617 433 Fax 49 831 5617 439 repairQott com Caution Only have a defective OTT CTD checked and repaired by the OTT repair center Under no circumstances carry out any repairs yourself Any repairs or attempted repairs carried out by the customer will result in the loss of any guarantee rights 20 Notes about the disposal of old units Within the member countries of the European Union In accordance with the European Union guideline 2002 96 EC OTT takes back old devices within the member countries of the European Union and disposes of them in an appropriate way The devices concerned by this are marked with the symbol shown aside For further information on the return procedure please contact your local sales contact You will find the addresses of all sales partners in the internet on www ott com Please take into consideration also the national implementation of the EU guideline 2002 96 EC of your country For all other countries Dispose of the OTT CTD properly after taking out of service Observe the regulations valid in you
34. le 0000254892 INFO 11 11 2009 12 11 2009 Delete Export CSV Export Excel Export OTT MIS Export Hydras 3 Export Options Back 29 Fig 17 Protecting the OTT CTD operating program with a password input window General A password protected OTT CTD operating Pacer PASSWORT program only makes sense if the operating program starts in observer mode activate 30 12 Protecting the OTT CTD and OTT CTD operating program with a password To prevent any unauthorized input of operating parameters you can protect the OTT CTD and OTT CTD operating program with a password for each How to protect the OTT CTD operating program with a password Start the OTT CTD operating program Select the Options function in the File menu Enter a maximum eight digit password in the Password input field Permitted characters 0 9 A Z This password is independent of the OTT CTD password Activate check box Only observer mode Click on the OK button Close the operating program gt the operating program is now protected the Setup device button in the start window is no longer visible to establish a password I Advanced operation bserver check box Only observer mode IV Only observer mode I Do not calculate manual input value with scaling I Suppress display of instantaneous value before input OK Caution If the password is lost you can no longer configure or paramete
35. lifetime Water level Pressure Temperature Conductivity Salinity TDS Number jon fooo2 fooos Water level v Depth v m 0 01 v Depth to water set newly m Dynamic density compensation fc 0 01 v 01 00 00 v 01 00 00 v 0 10 100 00 mS cm v ms om v Temperature compensation Freshwater 3 at Reference temperature 0 1 bar 5 00 m 1171172009 16 19 53 PC 11 11 2009 16 19 55 Set date time I Modem ITC connected OTT CTD Program com1 x Read iba OTT DuoLink v Configuration Load Save Back Download successful OTT CTD Number Name Station number 10 characters alphanumeric Station name max 40 characters alphanumeric Water level Pressure Temperature Conductivity Number Name Meas type Meas range Units Decimal places Depth to water set newly Water level set newly Pressure value set newly Sample interval Storage interval Sensor number 4 characters alphanumeric Sensor name max 40 characters alphanumeric Water level Depth or level pressure Conductivity 0 001 2 000 mS cm 0 10 100 00 mS cm Salinity 2 42 00 PSU 2 60 00 ppt Pressure sensor m cm feet inch bar psi Temperature C F Conductivity mS cm pS cm Salinity PSU ppt TDS mg l fixed specification depending on the units and me
36. matic refresh If necessary Input observer registration into the entry field of the pressure sensor and click on the Save button If necessary Start new instantaneous value measurement click on the Refresh button Z Automatic refresh automatically starts an instantaneous value measurement every 5 seconds End the observer function click on the Exit button and close the OTT CTD operating program Notes The OTT CTD stores each time the observer function is called in an info channel with the date and time of day After reading in and accepting into the OTT Hydras 3 user software this information can be displayed in the evaluation window of a sensor using the Info Data Station Displays function Observer registration general They are likewise visible via the View data Table function of the OTT CTD operating program If the Do not calculate manual input value with scaling check box in the Options window is activated the OTT CTD also stores the input check value as well as the current instantaneous value After reading in and accepting into the OTT Hydras 3 user software this information can be displayed in the evalu ation window of a sensor using the Info Data Sensor Displays func tion Observer registration with check value They are likewise visible via the View data Table function of the OTT CTD operating program 9 Reading out data Read out data as follows on location Start the
37. matical algorithm on which the calculation Salinity of the salinity is based Possibilities Standard method USGS 2311 With the calculation method USGS 2311 the unit is ppt with the standard method the unit PSU is fixed Store salinity With the check box activated the datalogger saves Store TDS the values With the check box deactivated the instantaneous values are still visible in the observer window Other displays in the Basic operation window Measuring range Measuring range of the pressure probe see Fig 1 System length Cable length including communication unit pressure probe see Fig 1 Date time Internal date time of the OTT CTD Detailed information on the Advanced operation function can be found in the online help Factory settings OTT CTD Number Serial number Name OTT CTD I Water level Pressure Temperature Number 0001 0002 Measurement type Water level Temperature Type of output Water level depth Unit m EG Decimal places 3 2 2 Sample interval Th Th Storage interval Th Th Conductivity Salinity TDS Number 0004 0005 0006 Name Specific Conductivity Salinity TDS Unit mS cm PSU mg l Decimal places 2 Measuring range 0 10 100 00 mS cm 2 42 00 PSU Temperature compensation Fresh water Calculation method Standard method Sample interval Th Th Th Storage interval Th Th 1h Modem ITC deactivated connected 7 4 Saving loading OTT CTD configuration The functions Load and Save are provided
38. mber and station name To export a configuration OTT Hydras 3 This export type is required to transfer an OTT CTD configuration to the OTT Hydras 3 user software This XML file is read in via the Hydras 3 function File Import Station Configuration XML Select the Export Hydras 3 XML function in the File menu In the OTT CTD XML configuration window check the file name select the memory location and click on Save the operating program stores the config uration ina XML file Note The file name of the XML file is arbitrary To avoid affecting later data transfer it should not be changed The operating program proposes a combi nation of measurement station number and measurement station name along with the ending STATION XML To import a configuration Select the Import Configuration function in the File menu In the OTT CTD Import Configuration window select the appropriate BIN file and click on Open the operating program reads in the configuration from the BIN file Prior to this save any configuration that is already open Note The standard factory configuration can be found on the CD ROM OTT CTD Software Fig 14 Input window to establish options for the observer For further information on protecting the OTT CTD operating program with a password see Chapter 12 8 Determining and displaying instantaneous values observer function The operating program ha
39. n not visible deactivate the Only observer mode check box in the Options function in the File menu and restart the operating program Select the Calibrate conductivity sensor function in the OTT CTD menu Press the Start zero point test button The operating program starts an instan taneous value measurement and updates this every 5 to 6 seconds If the mea surement result displayed blue triangle is not in the green area clean the conductivity sensor again and dry it well Press the End zero point test button Select the calibration solution used Alternatively select Other and enter the appropriate conductivity value Add the calibration solution to the calibration container filling height approx 3 4 Place the OTT CTD into the calibration container screw on cover in place and tighten the screw on cover by hand Caution There must not be any air bub bles in the slot of the conductivity sensor If necessary lightly shake the calibra tion container Press the Start calibration button The operating program starts the instan taneous value measurement again and continuously updates it Wait until the values for conductivity and temperature do not change for sever al updates The operating program displays the current and newly calculated cell constant Caution Temperature values shown in red the conductivity sensor is not at the temperature of the calibration solution New cell constant
40. out recess and for universal installation Cable suspension unit for OTT CTD system lengths of gt 100 m CD ROM OTT CTD Software OTT CTD operating program for PC Top cap with integrated fastening hook for 2 observation wells for 4 observation wells for 6 observation wells Intelligent top cap OTT ITC for GSM remote data transfer 5 sided key to lock OTT top caps Optical OTT Duolink reading head Optical OTT IrDA link USB reading head Calibration container 55 445 001 9 0 55 440 025 9 2 55 440 444 4 1 55 440 450 4 1 on request 56 571 000 9 7 24 220 052 9 5 24 220 054 9 5 24 220 057 9 5 55 530 0xx 3 2 20 250 095 4 1 55 520 017 4 2 55 520 026 9 2 55 445 025 9 2 Replacement Alkaline battery parts LR6 AA 3 units required Consumable materials Lithium battery FR6 AA 3 units required Desiccant capsules 2 in aluminum bags Conductivity calibration solution 0 1 mS cm 1000 ml 0 5 mS cm 946 ml 1 412 mS cm 1000 ml 12 856 mS cm 946 ml 47 6 mS cm 1000 ml 3 Basic safety information 96 800 004 9 5 97 800 008 9 5 97 100 280 9 5 55 495 350 9 5 55 495 351 9 5 55 495 352 9 5 55 495 353 9 5 55 495 354 9 5 Read these operating instructions before using the OTT CTD for the first time Become completely familiar with the installation and operation of the OTT CTD and its accessories Retain these operating instructions for later reference The OTT CTD is used
41. r this are lithium batteries Due to their design at 0 C alkaline batteries drop to 50 of their original 20 C capacity and at 10 C they drop to approximately 35 If ambient temperatures are expected to drop below 0 C at the measurement station it is recommended that lithium batteries be used Check the battery voltage as follows Set up the PC OTT CTD communication link see Chapter 7 2 Select the OTT CTD menu View Instantaneous values function the OTT CTD starts an instantaneous value measurement the Observer window indicates the current battery voltage and the energy withdrawn from the batteries so far in Ah If the battery voltage is lt 3 6 to 3 7 volts replace the batteries Click on the Exit button Close the operating program 1 With suitable settings Menu File Function Options the operating program starts with the Observer window Replace dead batteries as follows Open the top cap observation well cover Pull the communication unit approximately 80 cm out of the observation well and hold a second person would be useful Slide the pipe casing of the communication unit approximately 30 cm in the direction of the pressure probe cable The rubber stop located on the pressure probe cable see Fig 1 prevents the pipe casing from falling Do not move the rubber stop Remove dead batteries Insert 3 new batteries LR6 FR6 AA into the battery compartment as shown in Figure
42. r adapter plate Observation wells beginning at 2 in diameter see 6 3 top caps without recess for adapter plate Special case Observation wells beginning at see 6 4 2 in diameter without top cap System length over 100 meters For installation of an OTT CTD with a system length of more than 100 meters there is a special cable suspension unit available see accessories This suspension unit is described separately Adapter plate 6 Adapter plate 2 Fig 4 Installation accessory set Part 2 Fig 5 Adapter plate accessories 3 and 5 1 hole for OTT CTD 2 hole for contact gauge 3 recess for screws on the top cap Adapter ring 1 Suspension bracket Adapter plate 5 Adapter plate 3 11 6 1 Installing in 1 observation wells Required accessories Adapter ring for 1 observation wells Install the OTT CTD as follows Preliminary work If not already done install batteries see Chapter 5 Open the observation well cover Determine the current depth with a contact gauge and make a note of it Slide O ring from the communication unit onto the pressure probe cable Place adapter ring over the pressure probe cable and slide it until it comes to rest against the communication unit Slide O ring back onto the communication unit Place the pressure probe in the observation well Slowly and carefully lower the pressure probe with the pressure probe cable
43. r country for the disposal of electronic devices Never put the OTT CTD into the normal household waste Materials used See Chapter 21 Technical data 39 21 Technical data Water level Measuring range Resolution Accuracy linearity hysteresis Long term stability linearity hysteresis 0 Point Overload safe without permanent mechanical damage 0 0 4 bar 0 I bar 0 2 bar 0 4 bar 0 10 bar Units Pressure sensor Temperature compensated operating range Temperature Measuring range Resolution Accuracy Units Conductivity Measuring ranges Resolution 0 001 2 000 mS cm 0 10 100 00 mS cm Accuracy 0 001 2 000 mS cm 0 10 100 00 mS cm Units 0 001 2 000 mS cm 0 10 100 00 mS cm Power supply Current consumption active measurement active communication passive Lifetime 1 h sample interval 50 m system length w o ITC with lithium batteries with alkaline batteries Clock Design Accuracy Buffer period for battery replacement Interface Storage temperature Am water column 0 0 4 bar 10 m water column 0 1 bar 20 m water column 0 2 bar 40 m water column 0 4 bar 100 m water column 0 10 bar 0 001 m 0 1 cm 0 01 ft 0 1 inch 0 0001 bar 0 001 psi 0 05 full scale 0 1 a full scale 0 1 full scale ooo0o0 4 bar 10 bar 15 bar 25 bar 40 bar m cm ft inch bar psi ceramic temperature compen
44. reports and therefore corresponds to the regulations of the Directive et les rapports d essais notifies et ainsi correspond aux r glement de la Directive Ort und Datum der Ausstellung Kempten den OS Toro Place and Date of Issue Lieu et date d tablissement Name und Unterschrift des Befugten Name and Signature of authorized person Nom et signature de la personne autoris e Dr Anton Felder CEO OTT MESSTECHNIK GmbH amp Co KG Gesch ftsf hrer Dr Ing Anton Felder Pers nlich haftende Gesellschafterin OTT MESSTECHNIK Verwaltungs GmbH Postfach 21 40 87411 Kempten Sitz der Ges Kempten Registergericht Kempten HRB 7687 und HRA 3807 USt ID Nr DE 128 780 710 Steuer Nr 127 171 51206 Ludwigstra e 16 87437 Kempten Tel 49 0 831 56 17 0 Commerzbank AG M nchen BLZ 733 400 46 Kto Nr 775 0649 00 BIC COBADEFF733 IBAN DE13 7334 0046 0775 0649 00 Fax 49 0 831 56 17 209 LBBW Kempten BLZ 600 501 01 Kto Nr 4546443 BIC SOLADEST IBAN DE81 6005 0101 0004 5464 43 info ott hydrometry de Sparkasse Allg u BLZ 733 500 00 Kto Nr 18 861 BIC BYLADEM1ALG IBAN DE24 7335 0000 0000 0188 61 www ott hydrometry de Postbank M nchen BLZ 700 100 80 Kto Nr 933 53 809 BIC PBNKDEFF IBAN DE57 7001 0080 0093 3538 09 42 43 Document number 55 445 001 B E 02 0411 OTT Hydromet GmbH Ludwigstrasse 16 87437 Kempten Germany Tel 49 831 5617 0 Fax 49 831 5617 209 info ott
45. rize the OTT CTD on this PC If this occurs contact the OTT HydroService The password assigned here only pertains to the OTT CTD operating program installed on this PC The OTT CTD itself is not protected by this How to release a password protected OTT CTD operating program Start the OTT CTD operating program Select the Options function in the File menu Enter the password in the OTT CTD window Fig 18 OTT CTD operating program release password input window Enter password 0 9 4 Z ss ooo Abbrechen Click on the OK button Deactivate the Only observer mode check box Remove the entry in the Password field Click on the OK button the operating program is released Fig 19 Protect the OTT CTD with a password input window to establish a password Fig 20 OTT CTD release password input window How to protect the OTT CTD with a password Start the OTT CTD operating program Set up the PC OTT CTD communication link see Chapter 7 2 Click on the Setup device button in the start window Click on the Advanced operation button Button not visible activate the check box Advanced operation in the Options function in the File menu Click on the Read button In the tree view select Communication Interface Enter a maximum eight digit password in the Password input field Permitted characters 0 9 A Z This password is independent of the OTT C
46. rther information see the online help for the OTT Hydras 3 Basic software With a Pocket PC and the OTT Hydras 3 Pocket software For further information see the OTT Hydras 3 Pocket operating instructions 27 28 10 Exporting data After reading out into the OTT CTD operating program the measurement and information data can be found in the RAWDATA sub directory of the program directory standard setting C Program files OTT OrpheusMini_CTD RAWDATA To transfer to an external application you can export the data in various formats CSV structured text file in CSV format Comma Separated Values Excel Microsoft Excel spreadsheet program OTT Hydras 3 raw data format for the OTT Hydras 3 user software OTT MIS OTT specific file format for automatically importing into the measurement database of the OTT Hydras 3 user software Using the Export Options dialog window you can set the location for saving and with CSV format various export parameters also The data remain in the sub directory after export If necessary you can specifically delete them Info data can only be exported to the OTT Hydras 3 user software How to export the data Step 1 Make export settings Click on the View export data button in the start window In the View export data window click on the Export Options button see Figure 17 Enter the path to the storage location of the required export format standard setting C Program fil
47. s a so called Observer to enable the determination and display of instantaneous values The observer also makes it possible to enter a manually determined measurement e g contact gauge value into the datalog ger observer registration Various options can be set concerning the observer Selection possibility in the start window of the OTT CTD operating program direct and sole call of the observer or calling a window to set the operating parameters Effect of an optionally entered observer registration pressure sensor observer registration is used solely as a check value or observer registration leads to a change in the value setting offset Suppress the display of the instantaneous value pressure sensor prior to the input of an observer registration Set the observer options as follows Start the OTT CTD operating program Select the Options function in the File menu If the option dialog cannot be called a password must first be entered See Chapter 12 Activate the check box es for the observer option s required Only observer mode Do not calculate manual input value with scaling only check value no value change Suppress previous instantaneous value display Click on the OK button General I Advanced operation Password Observer I Only observer mode I Do not calculate manual input value with scaling I Suppress display of instantaneous value before input OK
48. sated 5 C 45 C ice free 25 C 70 C 0 01 C 0 1 C C SF 0 001 2 000 mS cm 0 10 100 00 mS cm 0 001 mS cm 0 01 mS cm 0 5 of measured value at least 0 001 mS cm 1 5 of measured value at least 0 01 mS cm mS cm pS cm mS cm 3 x 1 5 V batteries LR6 AA FR6 AA alkaline or lithium design LiFeS Energizer L91 55 mA 65 mA 23 pA at least 5 years at least 1 5 years high quality battery types real time clock 1 minute month at 25 C approx 10 minutes Infrared IrDA 40 C 85 C at a value range of 32 750 m 3275 0 cm 327 50 ft 3275 0 inch 3 2750 bar 32 750 psi 40 Data memory Measurement memory Number of measurements Number of logical channels Physical channels input signals Sample interval Storage interval mean interval Individually configurable functions Mechanical Data Can be installed in observation wells with adapter ring with adapter plates for top caps with recess OTT HT with suspension brackets for top caps without recess universal installation Dimensions Communication unit L x Pressure probe L x System length cable length including communication unit pressure probe Weight communication unit incl batteries pressure probe Pressure probe cable Material Pressure probe housing Cable jacket Communication unit Protection class Communication unit Pressure probe EMC limits R
49. shown in red the cell constant lies outside the valid range Press the End calibration button Confirm the resulting question Save new cell constant cell constant is within the tolerance range gt No conductivity value is in the green area Cell constant is outside the tolerance range and within the valid range gt Yes conductivity value is in red area current cell constant is shown in black If the cell constant is outside the valid range error message Close the OTT CTD operating program Rinse the pressure probe thoroughly with clear water Reinstall OTT CTD see Chapter 6 Determine current reference value with a contact gauge and enter it see Chapter 7 2 or 8 Close the top cap observation well cover Dispose of the used calibration solution Notes Only use the calibration solution once Always store the calibration solution in a closed container The carbon dioxide in the surrounding air and evaporation can change the conductivity value Avoid water entering the calibration solution Always dry the calibration con tainer carefully after calibration Calibration solution can be disposed of in the normal public sewer system The OTT CTD saves the last three cell constants in a history see Advanced operation channel Conductivity 17 Error messages If erroneous measurements occur or if an operating fault occurs the OTT CTD stores one of the following error messages in the da
50. sits on the adapter plate see Fig 7 Determine the current depth with a contact gauge and make a note of it Set operating parameters see Chapter 7 Close the top cap _ OTT Top cap Adapter plate 2 __ Recess Communication _ unit 13 O ring Communication unit Recess Adapter plate Top cap Fig 8 Installing the OTT CTD 14 Fig 9 Installing the suspension bracket in observation wells beginning at 2 diameter with a top cap without a recess Example 4 observation well 6 3 Installing in observation wells beginning at 2 in diameter top cap without adapter plate recess Required accessories Top cap with attachment screw for the top of the top cap Suspension bracket Caution There must be sufficient space in the top cap for the infrared interface to not be damaged when the top of the top cap is closed Install the OTT CTD as follows Preliminary work If not already done install batteries see Chapter 5 Open the top cap cover Remove the upper part of the top cap see Fig 9 Place the suspension bracket on the screw see Fig 9 Reattach the upper part of the top cap see Fig 9 Pass the pressure probe through the holes in the suspension bracket Slowly and carefully lower the pressure probe into the observation well with the pressure probe cable Raise and lower the pressure probe in quick succession approx 30 cm t
51. ta memory instead of a measured value Err 00 internal error automated measurement Err O1 internal error AD conversion error Err 03 Exceeded measuring range Err 05 An input value required for the measurement calculation is not in the valid range example the temperature value needed for the calculation of the salinity standard method is outside of the valid range 0 C lt t lt 35 0 C Err 06 An input value for the measurement calculation is missing Err 10 Measured value still not recorded Internal errors indicate a device defect if they occur repeatedly 18 Troubleshooting fault correction No communication possible operating program OTT CTD Password programmed input correct password Batteries installed install batteries Battery voltage lower than about 3 6 V2 insert new batteries Battery contacts corroded carefully clean the battery contacts Pressure probe cable damaged send OTT CTD to the factory for repair Infrared interface dirty clean the infrared interface carefully with a damp soft cloth Setting measured value not possible scaling module missing Check configuration for advanced operation see online help Communication starts and then breaks off Battery voltage lower than about 3 6 V insert new batteries Distance from readout unit IrDA interface to OTT CTD too small large maintain correct distance see Chapter 7 2 Erroneous m

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