Eureka Manta 2 Manual
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Eureka Manta 2 Manual

Water quality multiprobe
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Manta 2
Water Quality Multiprobe Manual
Release date 16 Dec 08
2113 Wells Branch Parkway, Suite 4400
Austin, TX 78728
Tel: 512-302-4333
Fax: 512-251-6842
sales@eurekaenvironmental.com
support@eurekaenvironmental.com
www.eurekaenvironmental.com
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Summary of Contents for Eureka Manta 2

  • Page 1 ™ Manta 2 Water Quality Multiprobe Manual Release date 16 Dec 08 Eureka Environmental Engineering 2113 Wells Branch Parkway, Suite 4400 Austin, TX 78728 Tel: 512-302-4333 Fax: 512-251-6842 sales@eurekaenvironmental.com support@eurekaenvironmental.com www.eurekaenvironmental.com...
  • Page 2 Contents QS Learning the Manta 2 in 30 Minutes QS1 Loading the Manta 2 Software on Your PC – 7 Minutes Installing the USB to Serial Driver QS3 Connecting the Manta 2 to Your PC – 3 Minutes QS4 Tinkering with the Software – 20 Minutes...
  • Page 3 Applications: Profiling (Spot-Checking), Logging, and Telemetry Cables Operating the Manta 2 with Eureka’s Amphibian G Logging What’s the difference between “Logging” and “Snapshot”? Why We Do Logging the Way We Do Activating Manta 2 Logging Logging Interval Sensor Warm-Up Internal Battery Packs...
  • Page 4 I tried to make this manual at least half as long as those of other multiprobes on the market just so you’d feel like you’re getting your money’s worth. But I couldn’t do it – the Manta 2 is just too easy to use.
  • Page 5 Note that the Main Screen has six “hot” buttons that give you short-cuts to various routine tasks, like turning Manta 2 logging on and off, or clearing the data screen. But it’s in the “pull-down” menus – “PC or Amphibian” and “Manta 2” – that you’ll find most of the serious operating functions. Below is the flow chart for the menus.
  • Page 6 If you want to measure pH, the price of the pH sensor and its circuitry are added to the Manta 2 base price. If you don’t want pH, you don’t pay for the sensor or its circuitry. This system also makes adding additional sensors to a multiprobe a snap.
  • Page 7 2) Manta Multiprobe – each unit is custom configured with your choice of sensors, and with or without a battery pack. 3) Underwater Cable – The underwater cable connects the Manta 2 to a PC, Amphibian Data Display, or telemetry device when the Manta 2 is underwater.
  • Page 8 7) USB Cable – Use this cable to connect the Manta to your computer via a USB port. Do not use the USB adapter cable with anything but your PC and a Manta 2. In the USB world, this is considered abuse. You will make it soooo angry that it will refuse to work and no amount of pleading will help.
  • Page 9 Connecting the Manta 2 to a PC You’re not going to believe how easy it is to communicate with your Manta 2 and make it jump through all its hoops: 1) Put the CD with the fish logo in your PC’s CD tray. The Manta 2’s operating software will automatically load on your PC in a few minutes, and you will see a new fish icon called Manta 2 Control Software on your PC desktop.
  • Page 10 We call the Manta 2 Control Software’s main screen the “Main Screen” because it’s the screen that first appears when you click on the Eureka desktop icon, and because you can access all the Manta 2 Control Software functions from this screen. The MS functions are:...
  • Page 11 Click this button to toggle your circulator, if any, on and off. If this button says “ON”, click on it to turn Manta 2 Logging Manta 2 logging off . If this button says “OFF”, click on it to turn Manta 2 logging on. Capture One Line of Data "Snapshot"...
  • Page 12 Menus are the little squares that you can click on to see all of the things you can do to either the PC or Amphibian functions or Manta 2 functions: The two Menus are explained further in Sections C and D.
  • Page 13 User Interface Software – “PC or Amphibian” Menu “PC or Amphibian” Flow Chart When you click on the “PC or Amphibian” menu, you can click on your choice of: Set PC or Amphibian Scroll Interval Click on “PC or Amphibian Scroll Interval” if you wish to change the time for which lines of data on your screen are updated.
  • Page 14 Manta 2. Because the Manta 2 Control Software searches all active USB ports until it finds a Manta 2 to talk to, you may wish to tell the Manta 2 Control Software to look at another port if you have more than one Manta 2 connected to your PC at one time.
  • Page 15 User Interface Software – “Manta 2” Pull-Down Menu “Manta 2” Flow Chart When you click on the “Manta 2” menu, you can click on your choice of:...
  • Page 16 Manage Manta 2 Files This screen shows you all the files that are stored in your Manta 2. Highlight the file(s) you’re interested in by clicking on it. You can then view that file on your PC screen, delete that file, or export it to your PC (via the Save As function standard to Windows).
  • Page 17 You can also elect to append any new data to an existing file by clicking on that file name, or you can create a new Manta 2...
  • Page 18 Calibration Record The Calibration Record is a permanent record of all calibration changes for your Manta 2. Please see E3 for more information.
  • Page 19 Fahrenheit and degrees Centigrade. This screen lists all the parameters supported by the Manta 2, and you enable these parameters by clicking in the box (to the left of the parameter name) to produce the check mark. Clicking on a box with a check mark removes the check mark and disables that parameter.
  • Page 20 Calibrate Clicking on Calibrate in the Manta 2 Menu gives you a pop-up screen listing all the parameters that can be calibrated in a Manta 2. Clicking on the parameter you wish to calibrate gives you the Calibrate screen. This screen has calibration instructions for the specific parameter, the current reading for that parameter, and a box for you to type in the value of your calibration standard.
  • Page 21 Notice that if you type in BP, altitude is automatically calculated, and vice-versa. The third method for setting BP is asking your Manta 2 the value (if your Manta 2 is equipped with an un- vented depth sensor). If you choose this method, the correct values will automatically appear in the...
  • Page 22 Set Time and Date This screen shows you the Manta 2’s opinion on time and date. If you wish to change any of those values, just type the new value in the appropriate box or click the box at the bottom of the screen to synchronize the Manta 2 time and date with those of your PC or Amphibian.
  • Page 23 6) Select the parameter to be calibrated from the menu in the Manta 2 Control Software user- interface software. First, enter the cal value and press enter; when the reading has stabilized, press enter to calibrate.
  • Page 24 80 µA, your SRF would be 80%. When you press the OK button to accept a calibration, the Manta 2 automatically accepts your calibration if the SRF is between 60% and 140%. If the SRF falls outside that range, you will be cautioned to check your standard value, make sure the sensor is clean, make sure the reading has stabilized, etc.
  • Page 25 Remove the DO membrane cap and discard the old membrane by pulling up on the cap. Empty the old electrolyte solution and refill with a fresh supply. Take care to not introduce any air bubbles. Fill the cell as full as possible, creating a large droplet on the surface.
  • Page 26 6) Wait a few minutes for the air to become fully saturated and the temperature to equilibrate. 7) Follow the Manta 2 Control Software’s calibration instructions. A number of customers are moving away from the time-honored water-saturated air calibration to the air-saturated water calibration.
  • Page 27 3) Make sure your instrument’s Barometric Pressure setting is accurate. 4) Wait a few minutes for the temperature to equilibrate. 5) Follow the Manta 2 Control Software calibration instructions. If you think the sodium-sulfite method is shaky and yesterday’s news, you can rig a plastic bag to cover the empty calibration cup and run a little nitrogen (or helium or argon) gas into the bag so as to immerse the sensor in pure nitrogen.
  • Page 28 2) Follow the Manta 2 Control Software’s calibration instructions. The Manta 2 actually reports Specific Conductance – that’s Conductivity standardized to 25°C. Your reading is the conductivity of your water if that water were heated or cooled to exactly 25°C.
  • Page 29 $300 and install the whole thing yourself. Better to spend a few pennies every month or two refilling the Eureka-style reference electrode. This is not to mention the better stability you get out of the refillable reference electrode in low- conductivity waters.]...
  • Page 30 2) Fill the calibration cup with enough standard to cover both the ORP and reference electrodes. 3) Follow the Manta 2 Control Software calibration instructions. Depth and Vented Depth Depth is measured by a strain-gauge transducer as hydrostatic water pressure. The deeper you go in the water, the higher the pressure.
  • Page 31 0.5mm between the wiper body and the probe face is typical when a new pad has been installed. 5) Tighten the set screw. Eureka recommends the polymer-bead calibration solutions, as they are stable and safe. You can use formazin standards, but these are not as stable, require stirring and are a suspected carcinogen.
  • Page 32 Ion-selective electrodes actually respond to ion activity, which is lower than the ion concentration in high-conductivity waters (because all the other ions “shield” the ion of interest). Eureka uses the conductivity of the sample water to estimate its ionic strength, and then uses the composition of average river water to convert activity to concentration.
  • Page 33 2) Fill the calibration cup with enough standard to cover both the ISE and reference electrodes. 3) Follow the Manta 2 Control Software’s calibration instructions. Again, you should calibrate with temperature of your standard as near as possible to the temperature of the water you intend to monitor.
  • Page 34 Increasingly popular is telemetry, in which the Manta 2 uses a solar-charged battery to periodically transmit logged data to a secure Internet site. The Manta 2’s internal logger can be used as a data back-up, and a Manta 2 battery pack can be used as a power back-up.
  • Page 35 PC or Amphibian, however, the Manta 2 has a simple logging-activation mechanism. For the 2-, 2.5-, and 3-inch Manta 2’s, all you have to do is attach the external battery pack. For the 3.5- and 4-inch Manta 2’s, all you have to do is flip the ON/OFF switch to ON.
  • Page 36 (on most models) – it’s your assurance that Manta 2 logging is enabled. Your Manta 2 is now logging, and will continue logging until you turn the battery switch to its “OFF” side (or turn the battery switch to the “I” side) , or your batteries are depleted.
  • Page 37 2) Clean all dirt and stuff off the Manta, because you are going to expose sealing surfaces as you change the batteries. 3) Unscrew the large eye-bolt in the center of the IBP; that lifts the top cap to expose the batteries. 4) Pull the top cap completely away from the IBP (below), and clean any contaminants from the top cap and o- rings.
  • Page 38 Finger-tight is sufficient for the eye-bolt. If your Manta 2 is not going to be used for a few weeks or longer, remove the batteries to prevent their leaking all over the inside of the IBP. Put your Manta 2 into a clean plastic bag to protect any exposed seals.
  • Page 39 Am I using Battery Pack power or Cable power? If you have an Internal Battery Pack but are operating the Manta 2 with a cable attached, the Manta 2 will use power coming in through the cable as long as its voltage is sufficient. Otherwise, it’ll be using battery power.
  • Page 40 Suppose your Manta 2 would not communicate with your PC. Here’s your checklist for isolating the problem: 1) Are you sure that your PC is working correctly? If you have another Manta 2, will it connect to the PC? If you...
  • Page 41 If the circuit board came out when you removed the top cap, you’d be in really big trouble and facing a huge repair bill if you had one of the lesser multiprobe brands. But with Eureka’s Manta, all you have to do is pick up the circuit board by its edges and push it back into the connectors at the bottom of the Manta housing.
  • Page 42 Performance Specifications Performance specifications are affected by calibration and maintenance. For best results, clean and calibrate your instrument on a periodic basis. Calibrate near sample conditions for best results. See the sections in this quick start guide on calibration and maintenance for more information.
  • Page 43 Eureka’s obligations and your remedies are limited as described above. Products are sold on the basis of specifications applicable at the time of sale. Eureka shall have no obligation to modify or update products once sold.
  • Page 44 (when applicable), be returned unless a particular faulty component has been clearly isolated. Send the instrument and a complete Service Memorandum to Eureka, using the address shown on the Service Memorandum. Whether or not the unit is under warranty, it is your responsibility to...
  • Page 45 Amphibian 2 Addendum (screen shots) PDA Menu Main Screen Snapshot Files Create New Snapshot File...
  • Page 46 View Snapshot File Contents Scroll Interval Graphs turned on About Menu shows Amphibian Software Version...
  • Page 47 Message appears for 2 seconds after Window appears after Snapshot and annotate button pressed Snapshot is taken. Manta2 Menu Manage Manta2 files menu. These log files are located on the Manta2...
  • Page 48 Manta2, Calibrate, SpCond us/cm Manta2, Calibrate, set Date and Time Menu menu after Sensor Response Factor Y to accept for 2 seconds then returns to Main screen. Manta2 Date and Time synched to Manta2, Calibrate, SpCond us/cm menu PocketPc Date and Time.
  • Page 49 Manta2, Calibrate, SpCond us/cm Sensor Response Factor menu after standard value was entered Manta2, Calibrate, Set BP menu Manta2, Calibrate, Set BP menu...
  • Page 50 Manta2 Logging Setup menu Manta2 Logging Setup Browse Manta menu Manta2, Cal Record menu Manta2 Sensors and Parameters List menu...
  • Page 51 Manta2, Calibrate menu...

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