UNISENSE Mini Manuel utilisateur

Field Datalogger Mini

Manual

Field Datalogger Mini - October 2018.docx

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CONTENTS 
1Warranty and liability....................................................................................................4 
1 Warning..................................................................................................................4 
2 Warranty and liability ............................................................................................. 4 
3 Repair or adjustment ...............................................................................................4 
4 SensorTrace Suite Software ....................................................................................4 
5 License agreement ..................................................................................................5 
2Congratulations with your new product .........................................................................6 
1 Support, ordering, and contact information..............................................................6 
3Overview.......................................................................................................................7 
1 Operating and setup conditions ...............................................................................7 
2 Field DataLogger Mini external features .................................................................8 
4System features .............................................................................................................9 
1 Equipment to use with the Field DataLogger Mini ..................................................9 
5Software for the Field DataLogger Mini ........................................................................9 
6General features .......................................................................................................... 10 
1 Operating principles.............................................................................................. 10 
1.1 The Always on principle................................................................................. 10 
1.2 File creation...................................................................................................10 
1.3 Download of data........................................................................................... 10 
1.4 Data calibration.............................................................................................. 10 
2 Support for STOX sensors .................................................................................... 10 
3 Sensor connections................................................................................................ 10 
4 Sensors for the Field DataLogger Mini..................................................................11 
5 Charging and battery............................................................................................. 11 
6 Computer connection............................................................................................ 11 
7 Logging capabilities.............................................................................................. 11 
8 Connection with external units.............................................................................. 11 
9 Cables and connectors........................................................................................... 12 
7Working with the Field DataLogger Mini.................................................................... 12 
1 Connecting the Field DataLogger Mini to a PC..................................................... 12 
1.1 Powering the FDL Mini on and off................................................................. 12 
2 Charging and battery life....................................................................................... 13 
3 Configuring the Field DataLogger Mini ................................................................ 13 
3.1 Setting polarization........................................................................................ 13 
3.2 Setting sampling rate...................................................................................... 14 

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3.3 Changing the instrument time ........................................................................ 15 
3.4 Checking battery level and storage capacity................................................... 15 
3.5 Setting channel information ........................................................................... 16 
4 Connecting the sensors.......................................................................................... 17 
4.1 Channel with built-in amplifier ...................................................................... 17 
4.2 Channel with external in situ amplifier........................................................... 17 
5 Downloading data to PC ....................................................................................... 17 
5.1 File size and download time........................................................................... 18 
6 Calibration............................................................................................................ 18 
6.1 Calibration of the sensors............................................................................... 18 
6.2 Calibration of recorded data........................................................................... 19 
7 Data export and processing ................................................................................... 20 
8 Using STOX sensors............................................................................................. 20 
9 Making a deployment............................................................................................ 22 
10 Using the Field DataLogger Mini online with a PC............................................ 23 
 
 

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1 WARRANTY AND LIABILITY

This product is for research use only. Not for use in human diagnostic or therapeutic

procedures.

1.1Warning

Microsensors have very pointed tips and must be handled with care, to avoid personal

injury, and only by trained personnel.

Unisense A/S recommends users to attend instruction courses to ensure proper use of the

products.

1.2Warranty and liability

The Field DataLogger Mini is covered by a one-year limited warranty.

The warranty does not include repair or replacement necessitated by accident, neglect,

misuse, unauthorized repair, or modification of the product. In no event will Unisense A/S

be liable for any direct, indirect, consequential or incidental damages, including lost profits,

or for any claim by any third party, arising out of the use, the results of use, or the inability

to use this product.

1.3Repair 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

For further information please see the documents General Terms of Sale and Delivery of

Unisense A/S, and Warranty and Shipping Information as well as the manuals for the

respective products.

1.4SensorTrace Suite Software

Unisense SensorTrace Suite software is checked and validated for the Windows platform as

given in the specification. The Customer must ensure PC is fully updated and no conflicting

third-party software is installed. Unisense do not warrant compliance with any other

operating systems, language settings or third-party software.

For instrumentation and sensors, please refer to our warranty conditions as given in the

document “General Terms of Sale and Delivery of Unisense A/S” found on

www.unisense.com

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1.5License agreement

The following terms shall apply to the software provided by Unisense A/S (“Unisense”)

relating to the simultaneous sale to you (“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. The Customer undertakes not to copy, modify, reverse engineer,

disassemble or de-compile all or any part of the software or rent, lease, distribute or sell the

software. The Customer shall, however, be entitled to make one copy of the software for

backup and recovery purposes for use solely relating to the Unisense Products supplied by

Unisense together with the software.

Nothing in this License Agreement or any other agreement between Unisense and the

Customer shall be construed as an obligation for Unisense to provide to the Customer

updates of the software. This License Agreement shall automatically terminate if the

Customer violates the terms of the license. In case of termination of the license the

Customer shall immediately destroy the software and any copy thereof.

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2 CONGRATULATIONS WITH YOUR NEW PRODUCT

2.1Support, 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.

We will respond to your inquiry within one working day.

E-mail: [email protected]

Unisense A/S Tueager 1

DK-8200 Aarhus N, Denmark

Tel: +45 8944 9500

Fax: +45 8944 9549

Further documentation and support is available at our website www.unisense.com

Note: If you find errors in this manual or have suggestions to improvements, do not hesitate

to contact us at sales@unisense.com

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3 OVERVIEW

The Field DataLogger Mini (FDL Mini) is a digital microsensor amplifier with datalogger

capability. It can operate as an autonomous unit that measures and logs data as specified by

the user before deployment. After deployment data may be downloaded to a Windows PC

using the 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 (O2, N2O, H2S, NO, H2) or potentiometric (pH, redox).

Furthermore, two different sensor mounting options may be chosen (at the time of

purchase):

a: The sensor is mounted directly on the housing and the amplifier is built into the unit

b: The sensor is mounted on an in-situ amplifier with cable connection to the housing

The FDL Mini has built-in support for STOX sensors, on channels with internal amplifier, with

a detection limit of < 10 nM O2. The STOX support may be set individually for each channel

and data showing polarization of the front guard is collected together with the signal for O2

concentration.

The FDL Mini may be integrated with other platforms. It may be powered from a CTD or

ADV or other source using a 6 –28 V power supply, and store and synchronize the measured

data on a third-party device via the 0 –5 V analog output from the FDL Mini.

3.1Operating and setup conditions

The Field DataLogger Mini is built for 6000 m water depth.

Important: The connectors on the FDL Mini must never be open when the unit is

submerged. Each connector on the unit must either be mounted with the

appropriate cable or sensor or must be covered with the appropriate

protective cap.

Note that the metal screw caps for the sensor connector bulkheads are not

waterproof and can not be used for deployment. In stead an in situ connector

must be mounted on each sensor connector bulkhead. The in situ connector

may be mounted with a sensor or with a sensor dummy, i.e. a closed glass

tube. The in situ connector must be filled with oil for all deployments

whether mounted with sensor or glass tube (see the “Unisense in situ

connector” manual).

Temperature: -10°C - 60°C

Internal battery: 13 Ah @ 7.4 V, deployment time up to 3 months @ 25°C

External battery: 2 x 13 Ah @ 7.4 V, deployment time: up to 6 months @ 25°C (to be

purchased separately)

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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)

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4 SYSTEM FEATURES

The Field DataLogger Mini is an excellent tool for long-term studies with continuous and

automated measurements at depths up to 6000 m. The support for the very sensitive O2

sensors –STOX sensors –also makes it ideal for working in oxygen minimum zones.

The FDL Mini comes with 2 or 4 channels for either amperometric or potentiometric sensors

4.1Equipment to use with the Field DataLogger Mini

Included with the Field DataLogger Mini:

•External charger with cable (MDL-CHG001)

•PC communication cable (MDL-COM001)

•Off-dongle (MDL-POWER DOWN001)

•SensorTrace Logger software for check, setup, calibration, and data retrieval

•Built-in battery (13 Ah @ 7.4 V. Deployment up to 3 months @ 25 °C)

Not included (to be ordered separately)

•Unisense in-situ microsensors

•Connectors for in-situ microsensors

•In-situ amplifiers with cable (one for each channel without internal amplifier)

•External battery (2 x 13 Ah @ 7.4 V. Deployment up to 6 months @ 25 °C)

5 SOFTWARE FOR THE FIELD DATALOGGER MINI

The FDL Mini comes with the SensorTrace Logger software and the latest version can be

downloaded from the 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. Furthermore, it allows calibration of sensors and it is

possible to calibrate already collected raw data using a new or any already saved calibration.

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6 GENERAL FEATURES

6.1Operating principles

6.1.1 The Always on principle

The FDL Mini is “Always on” meaning that whenever it has power (from external supply or

internal battery) and the “Off-dongle” is not connected, it will log data using the settings last

specified by the user.

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. Wait 30 seconds before connecting to a PC)

•The internal time setting of the FDL Mini is changed

•The FDL Mini sampling rate is changed

•STOX support is either enabled or disabled for one of the data channels

6.1.3 Download of data

The data can be downloaded at any time from the FDL Mini using the SensorTrace Logger

software. Downloading data will not interrupt the data logging process. The FDL Mini will

continue to store data in the same file and append it to the data that are already stored.

Therefore, when data is downloaded at the end of a deployment the file will contain all data

from that deployment. Downloading data during a deployment can be used as a sneak peek

to see how things are going.

6.1.4 Data calibration

Data are recorded uncalibrated in the FDL Mini. Calibration is performed after download of

data to the SensorTrace Logger. Each sensor must be calibrated before or after the

deployment. This calibration is imported into the data file retrieved from the FDL Mini and

applied to the data retrieved from the FDL Mini.

6.2Support for STOX sensors

Sensor channels with built-in amplifiers support the use of STOX sensors for measuring

extremely low O2concentrations. The timing and the polarization for the on/off cycles of

the front guard can be set individually for each channel. The data file will contain both the

signal for oxygen concentration and a signal indicating whether the front guard polarization

is on or off.

6.3Sensor connections

At the time of ordering it is decided for each channel whether the amplifier is internal or

external. With internal amplifier the sensor is mounted directly on the bulk-head connector

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