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Manta

™

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

[email protected]

www.eurekaenvironmental.com

Содержание Manta 2

Страница 1: ...ual 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 1 ...

Страница 2: ...our Snapshots C5 Graphing C6 COM Ports D User Interface Software Manta 2 Pull Down Menu D1 Manta 2 Pull Down Flow Chart D2 Manage Manta 2 Files D3 Logging Set Up D4 Calibration Record D5 Sensors and Parameters List D6 Calibrate D6a Calibrate D6b Set Barometric Pressure D6c Set Time and Date E Sensors E1 The Difference between Sensors and Parameters E2 Basics of Parameter Calibrations E3 Calibratio...

Страница 3: ...gging G4 Logging Interval G5 Sensor Warm Up G6 Internal Battery Packs G7 External Battery Packs G8 Am I using Battery Pack power or Cable power G9 Logging Redundantly with Telemetry G10 Dumping Data from the Manta 2 G11 Routine Maintenance G12 Opening the Manta 2 H Everything Else H1 Troubleshooting H2 Technical Information H3 Customer Service H4 Performance Specifications H5 Software Version Info...

Страница 4: ...es that your PC desktop has a new icon called Manta 2 Control Software 4 The Manta 2 software will start automatically but you re going to click on Close because you ve got to load your USB to Serial Driver now QS2 Installing the USB to Serial Driver 1 Plug the USB to Serial Adapter it s the blue thing with the USB connector on a one foot cable into any USB port on your PC 2 Your Windows system wi...

Страница 5: ...tton that takes you back to the Main Screen without changing anything 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 Manta2 Cont...

Страница 6: ...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 Second you will never have to suffer the downtime and cost of returning a Manta 2 to the factory for repair Troubleshooting works like this If the multiprobe turns on and reads any of its parameters correctly then the basic communication circuitry ...

Страница 7: ...ps the storage cup does not have a removable bottom Do not overfill and do not allow the water to freeze Do no store in anything other than tap water With the black lid removed the storage calibration cup is used to hold calibration standards when calibrating the sensors 5 Maintenance Kit This kit contains spare DO membranes and DO electrolyte if you ordered a Clark dissolved oxygen sensor referen...

Страница 8: ...s of how many sensors you order All the circuit boards are the same and all the sensors are the same Most importantly we have a No Cramming Rule that prevents our stuffing too many sensors into an artificially small instrument diameter Doing so usually results in sensors whose performance reliability and repair or maintenance ease is compromised So when you ordered your Manta 2 one of the product ...

Страница 9: ...ew fish icon called Manta 2 Control Software on your PC desktop 2 Plug the Manta 2 s USB adapter into any USB port on your PC 3 Connect the cable between the Manta 2 and the USB adapter 4 Click on your desktop s fish icon 5 Marvel at how quickly the Manta 2 software boots automatically finds the correct PC communication port and starts reeling off data from your Manta 2 The first screen you see th...

Страница 10: ...ure One Line of Data Snapshot to PC or Amphibian w o Annotation Clear Data from PC or Amphibian Display Capture One Line of Data Snapshot to PC or Amphibian w Annotation most recent data line rolling data connected on COM 3 snapshot file C Documents Manta 2 Logging is M2 log Interval 15 min M2 log file R 1 Log These two buttons are pull down menus These five buttons are hot buttons short cuts to i...

Страница 11: ...r circulator if any on and off If this button says ON click on it to turn Manta 2 logging off If this button says OFF click on it to turn Manta 2 logging on Click on this button to send one frame of data to your PC or Amphibian Snapshot file Click on this button to clear the data area When you click on this button a comment screen appears see below and then one frame of data is sent to your PC or ...

Страница 12: ...s 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 12 ...

Страница 13: ...k on the PC or Amphibian menu you can click on your choice of C2 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 You can click on a specific scroll interval or write in your own 13 ...

Страница 14: ...aphical form C6 COM Ports Click on COM Ports if you wish to change the USB port that your Manta 2 Control Software uses to talk to your 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 This might b...

Страница 15: ...D User Interface Software Manta 2 Pull Down Menu D1 Manta 2 Flow Chart When you click on the Manta 2 menu you can click on your choice of 15 ...

Страница 16: ... PC via the Save As function standard to Windows Manta 2 Pull Down Manage Manta 2 Files Click on a file name OK go to MS File 1 File 2 Cancel go to MS File 3 All Files Help go to Help screen Export Selected Manta 2 Files to this PC or Amphibian View Selected Files Delete Selected Files implements Windows standard Save As function tile s showing the contents of the selected file s Are you sure Yes ...

Страница 17: ... click on your preferred logging interval or write in another logging interval and or click on the number of wipe cycles your turbidity sensor on most models but only if you have a turbidity sensor will make before taking data 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 logging file 17 ...

Страница 18: ...D4 Calibration Record The Calibration Record is a permanent record of all calibration changes for your Manta 2 Please see E3 for more information 18 ...

Страница 19: ...emoves the check 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 parameters in this list is the order in which the parameters will appear in your PC or Amphibian Main Screen the order in which they will appear in logging files and the order in which they...

Страница 20: ...tion standard When the parameter reading has stabilized in the calibration solution click on the OK button If your calibration has an acceptable SRF please see Section E4 the calibration will be accepted and you will be returned to the Main Screen If the SRF is not acceptable a box will pop up and caution you about the feasibility of your calibration You have the option of calibrating despite a de...

Страница 21: ... of the Set BP screen You can also set the approximate BP by typing your altitude in feet in the second box 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 BP and a...

Страница 22: ...l gather If you are uncertain whether you need to calibrate check your sensors against a known sample If the reading is within the accuracy specification and or your accuracy expectations there is no need to calibrate Experience and your program s accuracy expectations will help determine calibration frequency for the various sensors If for instance your reservoir discharge is hovering near the re...

Страница 23: ...orously to remove traces of old calibration solutions repeat if necessary 4 Rinse the sensors twice with a small quantity of your calibration standard Discard the used calibration standard 5 Immerse the sensor in the calibration standard this is usually accomplished with the Manta 2 s calibration cup Secure your Manta with the sensors pointing up and fill the calibration cup with your calibration ...

Страница 24: ...re The Temperature sensor is an electrical resistor thermistor whose resistance changes predictably with temperature The sensor is protected by a stainless steel tube Thermistors are very stable with time and so do not require calibration E6 Dissolved Oxygen Clark Sensor The Clark type dissolved oxygen sensor comprises a gold cathode and silver anode immersed in a potassium chloride electrolyte th...

Страница 25: ...n the surface 3 Select a membrane handling only on the corners Gently place the membrane on top of the dissolved oxygen electrolyte taking care to prevent air bubbles from being trapped underneath If there is an air bubble remove the membrane top off with more DO electrolyte and replace the membrane Place the DO membrane cap over the DO cell Make sure the o ring inside the cap is at the top This o...

Страница 26: ...r of customers are moving away from the time honored water saturated air calibration to the air saturated water calibration Here are the steps to water saturated air calibration 1 Put a half liter of tap water in a liter jar and shake the jar vigorously for one minute Take the lid off the jar assuming you put one on in the first place and let the water stand for about five minutes to let the air b...

Страница 27: ...r 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 pur...

Страница 28: ...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 measuring circuit The pH glass is specially formulated to absorb water so that ions particularly H and OH in the water are attracted to the glass to offset the ionic constituency of the pH electrode s internal electrolyte As a result there is a charge separation...

Страница 29: ...stuff out of the junction Other manufacturers will tell you that their integral reference electrode is better It s not because every year you have to buy a new one for about 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 elect...

Страница 30: ...tween water pressure and the air pressure over that water i e barometric pressure After you have zeroed the sensor any change in barometric pressure will be measured as a change in water pressure Fortunately water is considerably heavier than air so the error introduced by barometric pressure changes is small If that s not good enough for you there s always Vented Depth Vented Depth uses the same ...

Страница 31: ...h long term deployment Please do not over tighten the set screw that ll strip the threads or rotate the wiper arm manually that ll strip the gears 1 Loosen the small set screw on the wiper with the 1 5mm hex key provided 2 Remove the wiper from the wiper shaft 3 Place a new wiper on the shaft so that the set screw faces the flat spot on the wiper shaft 4 Gently press the wiper against the face of ...

Страница 32: ...ium For instance 1000 mg L of sodium ions or 10 mg L of potassium ions will cause at least a 1 mg L N increase in the Ammonium reading In fresh water potassium is the primary interference raising Ammonium values by 0 1 0 2 mg L N in average 200 µS river water In brackish or marine waters sodium can become the primary interference because of its high concentration sea water reads up to 12 mg l N Am...

Страница 33: ...u intend to monitor E16 Total Dissolved Gas TDG The TDG sensor is a pressure transducer the same one used for the 10 meter depth sensor attached to a membrane This membrane is a long piece of thin wall silicone tubing whose job is matching gas partial pressures inside the tube with those of the surrounding water The sum of those partial pressures is measured by the transducer and that s the TDG of...

Страница 34: ...r data over a short time period Data display options include the Amphibian and a PC or PDA Manta 2 s are often used for unattended logging in which the Manta 2 uses a battery pack or other power source to periodically record data over a long time period No operator need be present Increasingly popular is telemetry in which the Manta 2 uses a solar charged battery to periodically transmit logged da...

Страница 35: ...es thereafter If your logging interval is one hour and you turn on the logger at five minutes past 10 AM your first data will be logged exactly at exactly 11 AM and then every hour thereafter In addition to making the data log cleaner this makes it easier to match times if you wish to merge data logs G3 Activating Manta 2 Logging Before you go to the field to deploy your Manta 2 for unattended log...

Страница 36: ...lace some models have an on off switch see picture below 2 Turn the battery switch over to the side that says ON and put it back into place that turns the IBP on 3 Put the thumb screws back in place finger tight is sufficient 4 When you turn the IBP on make sure that the amber LED blinks every five seconds on most models it s your assurance that the IBP has sufficient voltage to power the logging ...

Страница 37: ...eries 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 4 Remove the spent batteries and install the new ones following the polarity label on the IBP 37 ...

Страница 38: ...onto the same threads formerly occupied by the locking sleeve finger tight is sufficient 4 Make sure that the amber LED blinks every five seconds it s your assurance that the EBP has sufficient voltage to power the logging function 5 Make sure the red LED blinks every 2 seconds for 10 seconds upon each power up it s your assurance that Manta 2 logging is enabled Your Manta 2 is now logging and wil...

Страница 39: ...otect the seals the o ring type not barking type 2 Remove the on off lever by loosening the thumbscrew and pulling the lever straight out 3 Connect the newly exposed Manta connector to the USB port on your PC with the supplied cable Use the USB adapter that came with your Manta 4 Connect the download cable to your Manta and then to the USB port on your PC 5 Launch the Manta 2 Control Software by d...

Страница 40: ...anta 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 have another PC will it connect to the Manta 2 2 Are you sure your Manta 2 software is correctly loaded in your PC If you have another Manta 2 will it connect to your PC 3 Does the Manta 2 s amber LED...

Страница 41: ...oved 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 4 Examine the o rings and the top of the Manta housing Remove all contaminants if any from the o rings and the sealing...

Страница 42: ... 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 42 ...

Страница 43: ...ing prepaid to Eureka Eureka s liability and obligations in connection with any defects in materials and workmanship are expressly limited to repair or replacement and your sole and exclusive remedy in the event of such defects shall be repair or replacement Eureka s obligations under this warranty are conditional upon it receiving prompt written notice of claimed defects within the warranty perio...

Страница 44: ...ttery pack and charger 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 pay shipping charges for delivery to Eureka 44 ...

Страница 45: ...I Amphibian 2 Addendum screen shots Main Screen PDA Menu Snapshot Files Create New Snapshot File 45 ...

Страница 46: ...View Snapshot File Contents Set Scroll Interval Graphs turned on About Menu shows Amphibian Software Version 46 ...

Страница 47: ...Message appears for 2 seconds after Window appears after Snapshot and Snapshot is taken annotate button pressed Manta2 Menu Manage Manta2 files menu These log files are located on the Manta2 47 ...

Страница 48: ...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 48 ...

Страница 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 49 ...

Страница 50: ...Manta2 Logging Setup menu Manta2 Logging Setup Browse Manta menu Manta2 Cal Record menu Manta2 Sensors and Parameters List menu 50 ...

Страница 51: ...Manta2 Calibrate menu 51 ...

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