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Eureka Manta Manual

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Summary of Contents for MANTA+

Page 1: ...MANTA and TRIMETER MULTIPROBE MANUAL This manual rev 11 2018 covers Eureka s Manta2 Manta and Trimeter models For simplicity the term Manta is used collectively for all models...

Page 2: ...ions 11 B 4 Underwater Cables 12 B 5 Operating the Manta with Eureka s Amphibian2 12 B 6 What do the LED lights mean 13 B 7 The USB Converter 13 B 8 Accessories 14 B 9 Flow Cell 14 B 10 Routine Mainte...

Page 3: ...r SRF 28 D 6 Temperature 28 D 7 Dissolved Oxygen 28 D 8 Conductivity 30 D 9 pH 32 D 10 Reference Electrode 32 D 11 Oxidation Reduction Potential ORP 33 D 12 Depth and Vented Depth Stage 33 D 13 Turbid...

Page 4: ...fe 48 E 10 Logging Redundantly with Telemetry 51 E 11 Controlling Sensor Fouling 51 E 12 Pipe Kit 50 F Small Screen Data Displays 51 F 1 Small Screen Data Displays 51 F 2 Connecting the Amphibian2 wit...

Page 5: ...n Statement for the Eureka Manta2 pH Sensor 2015 8 Evaluation of the Eureka Manta2 Water Quality Multiprobe Sonde USGS 2017 9 Installing Manta Control Software on an Android Data Display 10 Manta Logg...

Page 6: ...e keep a few ounces of tap water in the S C Cup when the Manta is not being used And with the lid removed it holds your calibration solutions 4 The Manta Flash Drive contains the software for connecti...

Page 7: ...ms needed to keep your Manta in top shape 7 The Weighted Sensor Guard replaces the Storage Calibration Cup to protect the sensors during deployment and to help the Manta sink A 2 Talk to Your Manta Pl...

Page 8: ...e Eureka Flash Drive 3 If your Windows did not create on your Desktop a shortcut to the Manta Control Software and you would like to have one click the Start button in the lower left of your screen cl...

Page 9: ...be that your organization s network firewall prevented the installation of the USB driver Consult your IT department if you do not see the Prolific USB driver listed in your device driver menu which i...

Page 10: ...ect your Manta to your PC with the USB Adapter and either a Data Cable or Underwater Cable 2 Click the Eureka icon to launch the Manta Control Software Soon you will see the Home Page and the data bei...

Page 11: ...urned to the Home Page D 5 7 Click the Manta pull down menu on the Home Page then click Cal Log on the next screen At the bottom of the list are the details of the calibration that you just did 8 Clic...

Page 12: ...pshot features You might snapshot a series of measurements in one or more lakes or streams during the day and then download the data to your desktop PC that evening C 3 E 1 2 Unattended Logging means...

Page 13: ...icularly effective in this application when more than one parameter is used in the control loop B 4 Underwater Cables The later Manta Underwater Cables have a marine style connector left while the ear...

Page 14: ...times upon power up when Logging is enabled The amber light blinks when the Manta is receiving RS 232 communications from an external device such as a PC or logger A sequence of red and amber LED fla...

Page 15: ...ormally screw on a sensor guard B 10 Routine Maintenance Clean your instrument periodically with warm soapy water Liquid dishwashing soap is fine Do not use abrasives Do not use acetone Do not clean w...

Page 16: ...ade click on Cancel to go back to the Main Screen without implementing any changes click on Help to get well help follow the parameter specific instructions for calibrations type in the correct time a...

Page 17: ...Eureka Manta Manual Page 17 of 67 C 2 Home Page We call the Manta Control Software s Home Page the Home Page because you can access all the Manta functions from this screen The Home Page functions are...

Page 18: ...are 1 Click the Manta logging is OFF or Manta logging is ON hot button to enable or disable the Manta s Logging function It lets you tell the Manta that you will be deploying it in the field for unat...

Page 19: ...screen and start over with only the most recent data Clicking this button does not close the program C 4 PC Pull Down Menu The Manta has two pull down menus called PC and Manta They re called pull dow...

Page 20: ...ygen readings are temperature and salinity corrected so when the probe goes through water with thermal or saline stratification it s important to wait for stable readings before recording a Snapshot 5...

Page 21: ...les to select for export C 5 b Logging Setup All Mantas include data memory and software that automatically logs stores a line of data any time you want The Logging Set Up screen lets you change the i...

Page 22: ...mark and disables that parameter Note that if you enable a parameter but don t have a sensor for that parameter it would be a huge coincidence if the data were accurate The order of the enabled parame...

Page 23: ...indication of the sensor condition D 4 the calibration will be accepted and you will be returned to the Home Page If you click on OK the calibration will be accepted despite a deviant SRF and you will...

Page 24: ...ate Custom Parameter Follow the instructions to name your new parameter specify the units that you wish the new parameter reported in e g mg l for TDS and tell the Manta how to calculate your new para...

Page 25: ...prefer NTU s except multiplied by a Turbidity Scale Factor Turb2_FNU is a unique parameter that helps you match Eureka turbidity readings with readings from other types of turbidity sensors for the s...

Page 26: ...om time to time by simply telling the instrument what it should read in a calibration situation for which the correct parameter value is known Here s the general procedure instructions for specific pa...

Page 27: ...ed C 5 e D 3 Choosing Calibration Standards For best results choose a calibration standard whose value is close to what you expect to see in the field For example calibrate with a 1413 S cm Specific C...

Page 28: ...ate NO3 2 points Lo 4 62 mg l Hi 46 2 mg l Chloride CL 2 points CD Standard 147 Micro S CD Standard 1412 Micro S enter 34 3 during calibration for low enter 319 3 mg L for high D 4 Calibration Record...

Page 29: ...nge you will be cautioned to check your standard value make sure the sensor is clean make sure the reading has stabilized etc But you can elect to accept any SRF D 6 Temperature The Temperature sensor...

Page 30: ...p until your aerated water covers the DO cap by a centimeter or so 4 Wait a few minutes for the temperature to equilibrate 5 Follow the Manta Control Software calibration instructions remember that yo...

Page 31: ...end of the bag for the air to escape otherwise you won t get a good zero and the exploding bag will cause excitement If you re using a high pressure gas bottle please use a two stage regulator Optical...

Page 32: ...hose parameters in the Sensors and Parameters section D 9 pH pH is measured as the voltage drop across the glass membrane of a pH electrode A reference electrode is used to complete the voltage measur...

Page 33: ...eve into place air and excess electrolyte is forced out of the sleeve through the reference electrode junction the white porous circle at the end of the sleeve This not only purges bubbles from the el...

Page 34: ...bration cup with enough ORP standard to cover both the ORP and reference electrodes 3 Follow the Manta Control Software calibration instructions after selecting ORP_mV to calibrate D 12 Depth and Vent...

Page 35: ...Turbidity sensors require no regular maintenance but you might check occasionally to make sure the optical window i e the little glass port on the front of the sensor has not been damaged by overzeal...

Page 36: ...should be in contact A gap of 0 5 mm between the wiper arm and the probe face is typical when a new pad has been installed Another way of setting the pad gap is to place the pad such that you can sli...

Page 37: ...s relatable to the amount of analyte present Note that there are two types of blue green algae sensors fresh water and marine Note that CDOM or Colored Dissolved Organic Matter is also known as fDOM f...

Page 38: ...t the pH glass is replaced by a membrane that is selective for the analyte of interest ammonium chloride nitrate sodium The electrode s filling solution contains a salt of the analyte and the differen...

Page 39: ...put a Nitrate on the Sodium sensor ISE calibration is more complex than calibrations for most other sensors but we ve made it as simple as possible in Calibrating Ion Selective Electrodes The Differe...

Page 40: ...st like all other sensors The PAR sensor is calibrated at the LI COR factory and cannot be calibrated by the user LI COR recommends that the sensor be returned to the factory every couple of years to...

Page 41: ...in the Calibrate menu You can set the BP by typing the correct value in mm Hg in the first box of the Set BP screen below left Or you can set the approximate BP by typing your altitude in feet in the...

Page 42: ...ing adequate voltage to start Logging It s fast and fool proof Another user friendly feature of the Manta Logging time uniformity For instance if your logging interval is 15 minutes and you turn Loggi...

Page 43: ...e to begin logging and the blinking red LED tells you that Logging is indeed enabled E 6 Am I using Battery Pack power or cable power Most users log data using an Internal Battery Pack IBP or External...

Page 44: ...es from the IBP body 4 Remove the spent batteries and install the new ones carefully following the polarity diagram Your Manta is now logging if you have activated Logging De activate Logging if you d...

Page 45: ...cone grease to the O rings and to the inside of the battery sleeve where the O rings will seat 6 Carefully place the top cap clear housing back into place and screw the eyebolt until the clear housing...

Page 46: ...nta 9 Remember to look for the red LED to blink five times to confirm that Logging is activated and the green LED blink briefly to confirm that the Manta is receiving adequate voltage to start Logging...

Page 47: ...eries and install eight C cell batteries or six D cell batteries carefully following the polarity diagram 5 Clean all moisture dirt grit and any other debris off the exposed O ring surfaces and the in...

Page 48: ...protector or if a cable is attached to your Manta remove the locking sleeve and then the cable 2 Clean the connectors on the EBP and Manta and add a little silicone grease to each 3 Find the white dot...

Page 49: ...now logging and will continue logging until you remove the EBP or your batteries are depleted To remove the EBP grasp the Manta withone hand and the EBP locking sleeve with the other and unscrew the...

Page 50: ...information can be found in Manta Logging with an Uninterrupted Power Supply and Manta Power Options E 11 Controlling Sensor Fouling Fouling cannot be eliminated altogether but Eureka offers three eff...

Page 51: ...have the Extended Turbidity Brush It can be programmed for frequency of brush cycles and number of sweeps per cycle E 12 Pipe Kit For extra protection for your Manta during deployments in areas with b...

Page 52: ...Power on the Amphibian2 Data Display 2 Connect the Manta and Underwater Cable to the Amphibian2 using the nine pin connector on the bottom end of the Amphibian2 3 On the lower right corner of the star...

Page 53: ...en and says Discoverable 4 On the Amphibian2 Home Page select Settings then Connections and then select the Bluetooth ICON not the BT COM ICON Delete any BT devices listed by pressing and holding then...

Page 54: ...NOT compatible with Classic Bluetooth and will interfere with making this device connection 5 Enter the password 1234 Once the password is accepted the devices are paired and you should now see scroll...

Page 55: ...Eureka Manta Manual Page 55 of 67 Snapshot Files Create New Snapshot File View Snapshot File Contents Home Page Snapshot Annotation Snapshot Menu...

Page 56: ...Eureka Manta Manual Page 56 of 67 About Amphibian Software Version Snapshot Report Calibrate Menu Calibration Conductivity 1 Calibration Conductivity 2 Calibration Acceptance...

Page 57: ...Eureka Manta Manual Page 57 of 67 Set Scroll Interval Calibrate Set Time and Date PC Sync Report Calibration Barometric Pressure 1 Calibration Barometric Pressure 2 Sensor and Parameter List...

Page 58: ...Eureka Manta Manual Page 58 of 67 Graphs Turned On Manage Manta Files Logging Setup Interval and Wiping Logging Setup Browse Logging Setup Interval and Wiping...

Page 59: ...ly that good or just a bunch of blowhards Our customers maintain that we are both 3 You guys ever invent anything Glad you asked In its continuing effort to make your life easier Eureka developed the...

Page 60: ...olts for each pH solution You asked that question because you ve been taught to worry about pH mV by another multiprobe manufacturer didn t you Because you have become used to worrying about mV s beca...

Page 61: ...y Low calibration If for instance you calibrate at zero with water that is actually 5 NTU then any sample less than 5 NTU will read negative Recalibration would be in order Some manufacturers clip the...

Page 62: ...ion solution then your SRF is 100 some parameters such as pH have a more complex SRF calculation but the effect is the same If your response is 80 A your SRF would be 80 When you click the OK button t...

Page 63: ...libration then you might as well discard the once used solutions If not then your sensitivity cost and accuracy will determine whether you can re use cal solutions If for instance you really want your...

Page 64: ...is acceptable It your SRF is outside those limits you should check your standard value and the maintenance condition of your sensor D 5 13 How often should I change the pH electrolyte To be safe chan...

Page 65: ...your specific Manta in your specific applications E 9 2 For my battery pack when looking in the log file at battery voltage at what point will the Manta2 stop logging The Manta can show the voltage p...

Page 66: ...est reports including ACT s Performance Verification Statement for the Eureka Manta2 pH Sensor 2015 Evaluation of the Eureka Manta2 Water Quality Multiprobe Sonde USGS 2017 and Eureka Outperforms the...

Page 67: ...ability and or maintenance ease is compromised We choose the best sensors available on the world market for your needs and build the Manta around them So when you ordered your Manta one of the Eureka...

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