Unisense UnderWater Meter
Contents
1. Action Charge the battery Condition Other signal problems Cause The function of the electronic circuits has been disrupted e g due to water intrusion into the UnderWater Meter Action Contact Unisense A S Condition Battery icon is flashing Battery will not charge Cause Temperature is not within battery charging temperature Action Restart charging by unplugging re plugging charger when correct temperature is obtained If this does not solve the problem then contact Unisense A S Condition The UnderWater Meter fails to turn on or does not react to magnetic stick commands Action 1 Reset the instrument by holding the magnetic stick over the power on switch for more than 10 s 2 The screen will flash once 3 Turn the instrument on again UNISENSE A S DENMARK www unisense com info unisense com Ry UNISENSE D UNISENSE UNISENSE A S DENMARK www unisense com info unisense com2. UNISENSE A S DENMARK www unisense com info unisense com Ry UNISENSE In situ amplifier unis left potentiometric e g pH redox right amperometric e g O2 H25 Batteries and Charging Batteries can only be charged at operating temperatures from 0 30 C The UnderWater Meter contains an internal rechargeable battery The battery is a Lithium ion polymer type LiPol It has a very low self discharge rate and will remain charged for at least one year when not used NOTE Air transport of LiPol batteries is regulated due to potential hazard When travelling keep the battery Material Safety Data Sheet with the UnderWater Meter to verify that the battery load is not prohibitive Battery charger Charging the battery If the batteries run low or the UnderWater Meter automatically turns off battery protection mode it is time to recharge the UnderWater Meter Plug the charger into the charger connector of the UnderWater Meter The UnderWater Meter turns on during charging but will not allow polarization of sensors or measurements If charging initiates with the UnderWater Meter turned on the display will prompt you to choose between charging only and continuing working using external power without charging Disconnecting during and after charging will turn the UnderWater Meter off Charging takes approximately 3 4 hours amp UNISENSE Communication Cable The communication cable is used for USB connec
3. The housing is rated to a depth of 30 m Connections Subconn connectors for in situ amplifiers charging and communication are found at the two ends of the UnderWater Meter CHARGING USB DATA ANALOG OUT RESERVED ur Left end for in situ amplifiers Right end for charging and communication CH 1to CH A are for connection of in situ amplifiers with connectors and sensors Measurements are logged by channel number so make sure to keep track of your order of connection CHARGING is for charging the battery or running on external power USB DATA is for transfer of data to PC via the USB communication cable ANALOG OUT is for real time recording of data by external datalogger Cable not included Please contact sales unisense com for further information NOTE pictures are shown without dummy connectors do NOT use the UnderWater Meter under any field conditions unless dummy connectors are mounted on all un used Subconn s Datalogger There is one data logger in the UnderWater Meter with a memory capacity of 200 million samples In Situ Amplifier Units The microsensor signal is measured and amplified in the in situ amplifier units The in situ amplifiers are specific to each sensor type and it is important to only connect matching sensors and in situ amplifiers The microsensor is attached to the amplifier unit with a specialized connector See the sensor connector instructions for details on mounting sensors in connectors
4. are attached and submerged in water 2 Connect sensors to the matching in situ amplifier amp UNISENSE NOTE if a sensor is connected to the wrong in situ amplifier type the sensor may be damaged NOTE Remember to insert dummy connectors into ALL unused Subconns before usage in water to avoid short circuits and potential damage to the instrument 3 Calibrate the sensors as described in the sensor manuals Field measurements 1 Bring the UnderWater Meter with amplifiers and sensors mounted including the sensor guide and the magnet stick to the study site Place the instrument such that the sensors can be applied to the study site and the display can be observed at the same time 2 Remove sensor protection using the alignment tool see In Situ Connector System manual 3 Place the sensor tips manually or with a micromanipulator for fine tip sensors at the location of interest 4 Watch the display to ensure that the sensors function and allow the sensors to settle according to their response times 5 To log a sample place the tip of the magnet stick near over the Event key A green LED light will indicate sampling of data NOTE In manual logging mode the data loggers cannot log faster than every 1 seconds If the magnet relay is activated twice at a shorter interval the LED will light but only the first activation results in logging of data Transfer of Data 09 38 45 MEIST Logging WERE k Auto Logging In
5. period as decimal separator and your PC settings must be set to this when copying data into Excel Alternatively use the Excel import data facility applying period as decimal separator Storage Storage of the UnderWater Meter following measurements and experiments Protect the sensor tips with the transport protection tubes With amplifier units and sensors connected rinse the UnderWater Meter in fresh water to minimize corrosion Dry the UnderWater Meter and amplifier units with a soft cloth Store the UnderWater Meter in a dry place at room temperature For sensor storage see the sensor manuals WARNING do not expose the UnderWater Meter to ethanol or other solvents as the materials may be severely damaged Maintenance Always keep dummy connectors in unused Subconn connectors to avoid short circuits and the deposition of dust and particles in the connectors Clean outer surfaces with fresh water and maybe soap never ethanol or other solvents Lubricate the Subconn connectors with a fine layer of silicone Molykote 44 medium grease before use UNISENSE A S DENMARK www unisense com info unisense com Operating the Menus UnderWater Meter UNISENSE The OLED display and magnetic keys Keys Event key Single activation with magnetic stick activates measurement in both manual logging mode and auto logging mode Long pressing 3 seconds in auto logging mode terminates auto data logging Short pressing dur
6. wetlands as well as by scuba divers under water on coral reefs in aquatic plant beds in fast flowing streams or in muddy estuaries Support ordering and contact information To order products or if you encounter any problems or 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 sales unisense com 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 www unisense com Notice to purchaser The UnderWater Meter is a research use only instrument Manual version 2 3 Ry UNISENSE Included Items e 1 UnderWater Meter for four channels with display datalogger and internal battery e 1 4 In Situ amplifier units e 1 battery charger e 1 USB communication cable e 1 magnet stick for operating the UnderWater Meter e 7dummy connectors e Spare kit e 1 user manual and documentation Functional features Four channels for measuring with microsensors OLED display with operation menu and visualization of all four sensor signals built in data logger which can log time stamped sensor signals continuously or as single shot measurements easy operation with magnetic contact rechargeable internal battery pack analog output cable not included Specifications UNISENSE A S DENMARK www unisense com info unisense co
7. ARK www unisense com info unisense com gt UNISENSE The Settings tab 16 38 29 Manual logaing mode EEA HELT Settings WETTE Time 13 47 55 G Date 27 10 2010 mu b Power saving after K Stat SW update To set Time Date and Power saving time Power saving will turn of screen but continue data logging Start SW update Starts software wizard for upgrading UnderWater Meter firmware The About tab Measurement Logging Settings k Product Name UnderWater Meter ko Software Rev K Hardware Rev CB 1 2 GB 1 1 K Serial Number 9176 Provides information about embedded Firmware version and Serial number Please provide this information when contacting technical support amp UNISENSE Troubleshooting Condition Unstable signals 1 Cause The amperometric sensor is broken Action inspect the sensor and change it if broken Condition Unstable signals 2 Cause Fluctuating electrical fields e g lab eguipment or lamps interfere with the signal This is mostly observed indoors e g in laboratories Action 1 Turn off un necessary equipment or move the UnderWater Meter to a different location 2 Make a ground connection between the water to be measured in and the metal housing of the in situ amplifier A grounding clip with wire is provided with the Spare Kit that comes with the UnderWater Meter Condition Unstable signals 3 Cause The battery voltage level is low
8. Ry UNISENSE Unisense UnderWater Meter Ry UNISENSE UNISENSE A S DENMARK www unisense com info unisense com Ry UNISENSE Notice to Purchaser This product is for research use only Not for use in human diagnostic or therapeutic procedures Warning 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 Warranty and Liability The UnderWater Meter is covered by a 1 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 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 For further information please see the documents Conditions for Sale and Delivery for Unisense and Warranty and Shipping Information as well as the manuals for the respective products amp UNISENSE Contents RIS GN SO aus ee ee ee ren 1 U
9. ease on the display which will stabilize during some minutes See the sensor manuals for details on stabilization Connecting potentiometric electrodes redox or pH results in erratic and drifting signals until the electrode sensor is immersed in the same aquatic solution as its reference electrode 5 Calibration and measurements can now be performed See the sensor manuals and the Making measurements section for details In some instances the electrical fields emitted by nearby equipment e g fluorescent lamps can disturb the delicate microsensor signals If it is not possible to remove the source of this electrical noise make a grounding connection between the metal housing on the amplifier unit and the measurement calibration medium with a metal wire Grounding clip provided in Spare Kit 6 Now make your measurements either by selecting auto data logging or manual data logging using the magnetic stick as described in the Making measurements section Making Measurements Preparations 1 When turning the UnderWater Meter on without sensors attached the channels with in situ amplifiers ISA for amperometric sensors will show a signal around O mV 25 mV The reason for not showing exactly O is due to the offset in the electronics and will disappear when an in situ amplifier is connected The mV channels redox or pH are noise sensitive and the signal will drift up and down in an unpredictable way until the electrodes
10. ing auto logging mode generates a time stamped event mark in the data file Arrow keys Moving up down left and right in the menus Increasing or decreasing setting values Select key Select setting and moving in and out of menus The measurement tab Measurement Mie Displays the live value of the sensor grown front and the last measured value in subscript Use the Arrow keys to move to a given channel and then the Select key to enter the channel configuration menu 14 55 14 T T Measurement ET Be melee ae Offset K Gain factor K ADC range 10V Offset Default value is OmV Option to add or subtract a fixed value to data points Gain factor Default value is 1 0 Allows amplification of signal Gain range is 1 10 ADC range Default value is 5 V Range is 1to 10V Select the smallest range that will allow measurement of the highest expected value in order to obtain the best data resolution The Logging tab 12 35 57 AGEs Logging EBAWA KTT K Logging Mode K Logging Interval hh mm ss gt Transfer logged data to PC K Delete logged data K Log file size Logging mode Choose Manual one shot or Auto logging mode Logging interval Set time for logging interval when using Auto logging Tranfer logged data to PC To transfer file via USB connection Delete logged data Delete log file saved on the UnderWater Meter Log File Size Size of log file UNISENSE A S DENM
11. m gt UNISENSE GENERAL WARNINGS e Remember to mount a dummy connector in any unused Subconn bulkhead on the UnderWater Meter before using it under water Neglect of this can result in short circuits and damage of the instrument and wrong measurements e Do not apply any deformation forces to the clear Perspex cylinder e g by strapping other equipment onto it as this may cause leakage Use the metal rods instead e Take care not to mount sensors onto the wrong type of amplifier a wrong connection may destroy the sensor e To make sure that the UnderWater Meter always is in working order please make sure to carefully read the chapters concerning the Battery and Charging instructions and UnderWater Meter Maintenance e Repairs are only to be carried out by Unisense authorized service personnel Description of Hardware The UnderWater Meter and the parts that belong to it are shown in Figure 1 and will be described in the following sections Dummy connectors en Charger Magnetic stick In situ connector 7 Microsensor Figur 1 The UnderWater Meter with parts D UNISENSE UnderWater Meter The UnderWater Meter system consists of the UnderWater Meter housing which contains battery power and signal circuitry datalogger display and magnetic switch activation circuitry The housing of the UnderWater Meter is made of POM AISI 316 steel and Perspex Connections are made with Subconn connectors
12. nder Water MOTET J KKI III ITIS 1 Nonce to PURE NASE ee ee ee 3 MAF AY INE SAP EEE E E E 3 VAN ae LO UY E ee ee ee ee 3 Repar or NS EIT DN ae ee ee ee ee een ee 3 OS ae E eaten assets nee estes 4 Congratulations with your new Unisense UnderWater Meter sss ses sese eee eee eee 5 Tie STs Tachen D PE O ee ee era 6 GENERAL WARNINGS esse ee ee 7 RO Uet s Tere HAWAII Eee ar nee 7 Under SSR METE ea ee ee ee 8 CONNECCION ee ee erlernen 8 Ee e ee 8 Im SUE SAID IF IE URLS sea 5 saan E ee en De ordnen 8 BILLERIES ING CN een 9 CO Fai Tess re Ee ee Er 10 Wie ICE SUCK ee 10 DUMY Rs sete OS ee RER 10 Gettin Tn een rear 11 Making VIC TH e n 6 sccncsGucccacatenadasndeusesanesasancadnodcesadasacaundoesunnies Juana ONA Oa 11 Transter ON Das ee ee ee ee ee 12 SUO T ee ee 14 NISTI KO IAC TTT 14 Blei SUIS THE MENUS ee en ee es 15 TLOUDI CS OO CUMS ee ee re 18 UNISENSE A S DENMARK www unisense com info unisense com Ry UNISENSE Congratulations with your new Unisense UnderWater Meter The Unisense UnderWater Meter is a versatile four channel amplifier and data logger for field and underwater applications that can be used with all Unisense in situ micro and macrosensors Overview The Unisense UnderWater Meter is an excellent tool for researchers who would like to verify laboratory results in the field While laboratory equipment is not suitable for humid or rainy conditions the robust UnderWater Meter can be used in humid rain forests or
13. terval hh mm ss K Transfer logged data to PC k Delete logged data b Logging file size From the Logging tab select Transfer logged data to PC Follow the data transfer wizard The 3 displayed dialogs are shown on the next page UNISENSE A S DENMARK www unisense com info unisense com Ry UNISENSE Introduction 4 This wizard will guide you throught the data transfer process jo S Continuing will stop any ongoing data logging session And no more data can be logged until the transfer is complete Data already logged will of course not be lost Select lt cancel gt to abort or next gt bo proceed Upload data file Transfer the data File bo the connected PC The data File is now ready to be uploaded to the FC 1 Please connect the USB cable to the Pc 2 A new disk drive should appear on your PC 3 On the PC copy the File to a local directory 4 When the file transfer is complete select lt next gt Data transfer wizard complete The data transfer wizard has now completed Sa Press Finish to continue using the Underwater Meter You can either continue logging ko the exisiting File or delete it and start Fresh To delete the data file select the delete logged data in the menu The transferred file will be called datalog txt and can be opened as txt file or imported to e g Excel for further analysis amp UNISENSE NOTE data format is using US regional setting using
14. tivity between the UnderWater Meter and a PC The cable is not for underwater use but it can sustain water spills Remember to mount a dummy in the bulkhead connector before use under water Communication cable Magnet Stick The magnet trigger stick is used for all operations like on off changing settings in the menu of the UnderWater Meter and data logging Magnetic stick Dummy Connectors Dummy connectors must be used on all un used Subconns when using the UnderWater Meter in any field conditions Dummy connector UNISENSE A S DENMARK www unisense com info unisense com Ry UNISENSE Getting Started 1 Turn onthe UnderWater Meter using the magnetic stick by holding it towards the on off button on the top The display should now turn on and show a booting menu 2 Make sure the battery in the battery compartment is charged see Batteries and section 3 Connect the amplifier units to the UnderWater Meter housing and tighten the engaging nut NOTE To avoid damage to the amplifier unit cables it is necessary to plug and unplug straight and not twist the cable 4 Connect the appropriate sensors to the amplifier units For preparing in situ sensors see the in situ connector manual Make sure you connect the sensors to the appropriate type of unit which is indicated on the amplifier unit cable Connecting amperometric sensors e g oxygen and hydrogen sulfide should result in a Significant signal incr
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