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UNISENSE Mini Manual

Datalogger mini
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Field Datalogger Mini
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Field Datalogger Mini - October 2018.docx

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  • Page 1 Field Datalogger Mini Manual Field Datalogger Mini - October 2018.docx...

  • Page 2: Table Of Contents

    Operating and setup conditions ................7 Field DataLogger Mini external features ..............8 System features ......................9 Equipment to use with the Field DataLogger Mini ..........9 Software for the Field DataLogger Mini ................ 9 General features ......................10 Operating principles ....................10 6.1.1...
  • Page 3 Calibration of the sensors ................18 7.6.2 Calibration of recorded data ................19 Data export and processing ................... 20 Using STOX sensors ..................... 20 Making a deployment .................... 22 7.10 Using the Field DataLogger Mini online with a PC ..........23 Page 3...

  • Page 4: Warranty And Liability

    1.3 Repair or adjustment Equipment that is not covered by the warranty will, if possible, be repaired by Unisense A/S with appropriate charges paid by the customer. In case of return of equipment please contact us for return authorization.

  • Page 5: License Agreement

    (“Customer”) of a Unisense SensorTrace Suite Software. All rights, title and interest in the software belong to Unisense. Unisense grants to the Customer a royalty-free, non-exclusive and non-transferable license to use the software solely relating to the Unisense Product purchased from Unisense simultaneously with the purchase of the software.

  • Page 6: Congratulations With Your New Product

    ONGRATULATIONS WITH YOUR NEW PRODUCT 2.1 Support, ordering, and contact information The Field DataLogger Mini uses Unisense microsensors which are miniaturized Clark-type sensors that facilitate reliable and fast measurements with a high spatial resolution designed for research applications. If you wish to order additional products or if you encounter any problems and need scientific/technical assistance, please do not hesitate to contact our sales and support team.

  • Page 7: Overview

    SensorTrace Logger software. Alternatively, it can be operated from a Windows PC using the SensorTrace Logger software displaying and logging data in real time. The FDL Mini comes with 2 or 4 sensor channels. Each channel may, at the time of purchase, be configured as either amperometric (O...

  • Page 8: Field Datalogger Mini External Features

    3.2 Field DataLogger Mini external features Two channel (left) and four channel (right) FDL Mini seen from the sensor end. These dataloggers are with built in amplifiers. FDL Mini with Off-dongle and dummy mounted at the non-sensor end (left). Off-dongle (right)

  • Page 9: System Features

    Unisense support page: http://www.unisense.com/support/ Using the SensorTrace Logger it is possible to run the FDL Mini online with live data, to setup the FDL Mini for autonomous logging and to download data acquired by the FDL Mini in autonomous mode after deployment.

  • Page 10: General Features

    6.1.2 File creation The FDL Mini will keep logging data to a file until a new file is created. A new file is created when: • The FDL Mini is switched off and turned on again (e.g. mounting the “Off-dongle” for 5 seconds and removing it again.

  • Page 11: Sensors For The Field Datalogger Mini

    6.8 Connection with external units The FDL Mini can send data in real time to external units such as CTD’s or ADV’s using RS- 232 or RS-485 serial protocols. The serial protocol allows that the external unit can poll the FDL Mini for getting the last data point.

  • Page 12: Cables And Connectors

    OGGER 7.1 Connecting the Field DataLogger Mini to a PC The FDL Mini is connected to a USB port on a Windows PC using the supplied cable. Once connected, start the Unisense Logger software which will automatically detect the instrument and show the available channels. Clicking the Scan button will force the Logger software to re-connect to the instrument.

  • Page 13: Charging And Battery Life

    The correct polarization for each type of sensor is found in the sensor manual. Open the SensorTrace Logger software. The FDL Mini must be connected to the PC with the supplied USB cable and the Off-dongle must not be connected.

  • Page 14: Setting Sampling Rate

    NOTE: The Sampling rate settings only affect the internal data logging on the FDL Mini. When the FDL Mini is connected to a PC the data transfer frequency is always 1 Hz but the internal logging in the FDL Mini still runs at the frequency specified in the Sampling rate window.

  • Page 15: Changing The Instrument Time

    • Click the Synchronize button to set the instrument time to the current date and time of the connected PC NOTE: Setting the date and time of the FDL Mini will create a new logging file in the FDL Mini.

  • Page 16: Setting Channel Information

    7.3.5 Setting channel information Sensor: Mark the checkboxes for the channels/sensors you want to view and record signals from. Type: Choose sensor type from the drop-down menu if the default type is not correct. Unit: Select an appropriate concentration unit for the sensor signal when calibrated. Range (V): Select the voltage range for the amplifier.

  • Page 17: Connecting The Sensors

    To shorten the time needed after mounting the sensor on the FDL Mini, the sensors may be connected to another meter, e.g. a Unisense Multimeter, for a few hours before being mounted on the FDL Mini.

  • Page 18: File Size And Download Time

    The calibration is only stored in the Logger file on the PC and not on the FDL Mini which will only store raw data. After downloading a file from the FDL Mini data must be calibrated in Logger, using an already stored calibration.

  • Page 19: Calibration Of Recorded Data

    7.6.2 Calibration of recorded data The FDL Mini only stores raw data. The calibration data are stored in a Logger file on a PC and are applied to the FDL Mini datafile after logging is completed. Open the data file in Logger using File - Open dialog. Make the dataset active by double- clicking the appropriate experiment name in the Experiment overview column.

  • Page 20: Data Export And Processing

    NOTE: Calibration of large datasets may take some time: Ca. 1.5 min for 100,000 data points 7.7 Data export and processing After download of data from the FDL Mini and applying a calibration using stored calibration data, you can now export the data in Excel or CSV format.
  • Page 21 • The amendment of air saturated water may be repeated to obtain several estimates of the sensitivity This procedure may at best be performed before deployment and with the FDL Mini online with the Logger software to see the response of the ∆-signal to the O...

  • Page 22: Making A Deployment

    • Calibrate each sensor o See 7.6.1 Calibrating the sensors • Remove the PC to FDL Mini cable and place a dummy on the bulkhead connector • Make sure all bulkhead connectors on both ends of the pressure housing are either connected or capped with a dummy.

  • Page 23: Using The Field Datalogger Mini Online With A Pc

    Logger part of the SensorTrace Suite manual (http://www.unisense.com/manuals/) for details on how to log data directly on a PC. Note that the delivery of data from the FDL Mini to the PC will always occur with a frequency of 1 Hz no matter which sampling rates that are selected in the Logger software and on the FDL Mini.
  • Page 24 · info@unisense.com...

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