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TROLL

9500

Operator’s Manual

0095110 rev. 007 01/09

SECTION 13: DISSOLVED OXYGEN—POLAROGRAPHIC

Long-Term Storage

Remove the membrane module, rinse with deionized water, cap and
store dry.

REFERENCES

Eaton, A.D., L.S. Clesceri, E.W. Rice, and A.E. Greenberg, eds.,

Stan-

dard Methods for the Examination of Water and Wastewater,

21st

edition, Washington, D.C.: American Public Health Association,
American Water Works Association, and Water Environment Fed-
eration, 2005. Section 4500-O G, Oxygen (Dissolved), Membrane
Electrode Method.

EPA, Methods for Chemical Analysis of Water and Wastes,

EPA/600/4-79-020, revised March 1983. Method 360.1, Oxygen,
Dissolved, Membrane Electrode. Approved at 40 CFR Part 136.

Содержание MP TROLL 9500

Страница 1: ...eter TROLL 9500 OPERATOR S MANUAL January 2009 Multi Parameter Water Quality TROLL For Sales Service Contact 2650 E 40th Ave Denver CO 80205 Phone 303 320 4764 Fax 303 322 7242 1 800 833 7958 www geot...

Страница 2: ...d to its fitness for a particular application In Situ will not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of...

Страница 3: ...Establish Communication with the MP TROLL 9500 16 Set the Real Time Clock 16 Quick Cal the Basic Water Quality Sensors 17 Calibrate the Extended Sensors 20 Set Up Custom Pressure Level Measurements 2...

Страница 4: ...and Elevation 49 4 Level Reference 49 Reference Time 49 Quick Summary of Pressure Setup 50 Installation for Pressure Level Measurement 51 Securing the Cable 51 Stabilization Time 51 Twist Lock Hanger...

Страница 5: ...olved Oxygen 78 Why Measure Dissolved Oxygen 78 Polarographic Measurement of Dissolved Oxygen 79 The Polarographic Dissolved Oxygen Sensor 79 Theory of Operation 79 Sensor Conditioning 79 Sensor Insta...

Страница 6: ...r Preparation 110 Sensor Installation 110 Calibration 111 Overview 111 Calibration Solutions 111 Recommended Calibration Frequency 111 Preparing to Calibrate 111 Chloride Calibration Procedure 112 Sen...

Страница 7: ...Preparation 135 Prepare the Flow Cell 135 Start the Software 136 Launch the Flow Sense Wizard 136 Verify Unit Preferences 136 Flow Sense Wizard Input 137 Saving the Low Flow Data or Template 138 Outp...

Страница 8: ...eter TROLL 9500 Section 3 Getting Started setting up the software connecting for the first time Quick Calibrating the sensors and a summary overview of the setup to start collecting data Section 4 Con...

Страница 9: ...original owner s names and serial numbers Serial numbers of the water quality sensors are stored in sensor memory and displayed in the software when sensors are installed To Our Customers Thank you f...

Страница 10: ...ial number handy 2 Be prepared to describe the problem including how the instru ment was being used and the conditions noted at the time of the malfunction 3 If Tech Support determines that service is...

Страница 11: ...ve the right to withhold service until proper certification has been obtained Alconox is a registered trademark of Alconox Inc Company Name_____________________________________________Phone___________...

Страница 12: ...lyurethane Halogen free polyurethane or Tefzel External power capable Optional Features Profiler and Professional feature sets both available in XP with extended parameter capability Smart Sensors for...

Страница 13: ...bayonet type Twist Lock connectors that mate with the TROLL 9500 body TROLL Com communication cable desiccants and other accessories Vented cable is designed for use with vented pressure level sensor...

Страница 14: ...ary immersion IP67 TROLL Com Direct Connect Connects a TROLL 9500 directly to a serial or USB port A good choice for permanent connec tion to a PC or for programming a non vented TROLL 9500 that will...

Страница 15: ...each 140 1400 ppm 0032660 Ammonium 1 each 14 ppm 140 ppm 1400 ppm DI water 0032140 Low Ammonium 2 each 14 140 ppm 0032670 High Ammonium 2 each 140 1400 ppm 0032680 Chloride 1 each 35 5 355 3545 ppm DI...

Страница 16: ...ented 0020370 Locking Wellcap 4 0020380 Locking Wellcap 4 vented 0020390 Top of well installation ring WELLDOCK2 4 6 SDI 12 adapter 0095200 0095210 Flow Cell sub 2 in 0044710 Flow Cell sub 4 in 005760...

Страница 17: ...meter 13 5 mm 0 54 in Weight Vented regular HF 14 kg 300 m 32 3 lb 1000 ft Non vented regular HF 16 kg 300 m 35 6 lb 1000 ft VentedTefzel 23kg 300m 52 lb 1000 ft Factory Installed Sensors Pressure lev...

Страница 18: ...mg L 0 2 mg L 8 20 mg L Resolution 0 01 mg L Section 2 Components Features Ammonium NH4 Type PVC membrane sensing element double junction Ag AgCl reference half cell reference electrolyte gel Range 0...

Страница 19: ...aline batteries are pre installed in the device to power the D O sensor and keep it conditioned Install batteries in the Multi Parameter TROLL 9500 as follows 1 Unscrew and remove the battery compartm...

Страница 20: ...ion of the sensor o rings The sensor o rings require generous lubrication before installation New sensors will be lubricated at the factory If the o rings appear dry apply a silicone lubricant before...

Страница 21: ...the TROLL 9500 to the appropriate TROLL Com as shown Connect a Direct Connect model simply by pressing onto the con nector at the back end of the TROLL 9500 Attach a Cable Connect model via locking Tw...

Страница 22: ...the sleeve on the cable toward the body until the pin on the body pops into the round hole in the slot on the cable 6 Grasp the textured section of the cable connector in one hand and the body in the...

Страница 23: ...We recommend you edit the device Tap the device tap Edit tap Clock to synchronize the device clock to the PDA clock Establish Communication with the MP TROLL 9500 1 Start Win Situ 4 by double clickin...

Страница 24: ...t may appear For a Quick Cal with a full set of sensors we suggest you fill the Cal Cup above the line labeled Recommended Fill Line High Use about a half inch of additional fluid depending on the sen...

Страница 25: ...lable to store the current calibration point Accepting a NOMINAL value may save considerable time In some cases especially if the sensors have been soaking in the solution for several minutes prior to...

Страница 26: ...able for measure ments but vented cable for calibration programming If the device is on non vented cable now and will take mea surements on non vented cable click Yes In the Edit Baromet ric Channel s...

Страница 27: ...launch a Calibration Wizard Complete calibration information is in the following sections of this manual RDO Optical Dissolved Oxygen Section 13 second part Ammonium Section 15 Chloride Section 16 Ni...

Страница 28: ...the display If you added scheduled test indicated by in the Navigation tree it will start at its programmed time If you set up a test or a manual start indicated by in the Navi gation tree you can sta...

Страница 29: ...r to view logged data in text or graph format to delete data from the Multi Parameter TROLL 9500 in order to free up memory to monitor battery and memory usage to set the device clock to upgrade devic...

Страница 30: ...nterface The Navigation Tree At the top of the tree is the Home site the host computer Below this is the Flow Sense Wizard see Section 20 then the Data Folder contain ing tests that have been extracte...

Страница 31: ...tion proceed as for an existing connection Existing Connection Each time you launch the software the site and the connection saved in your last session are displayed in the Navigation tree To connect...

Страница 32: ...to new firmware when prompted by the software TIP In order for the software to detect it the new firmware must be located in the Firmware folder in the folder where Win Situ or Pocket Situ is installe...

Страница 33: ...mputer 4 When you finish the Wizard the information is sent to the device and the display is updated TIP Due to the size of the PDA screen the device clock is not displayed in the interface We recomme...

Страница 34: ...lect a parameter whose unit you wish to change 3 In the bottom of the window select the unit you want for the high lighted measurement Repeat for as many units as you like 4 Do one of the following Cl...

Страница 35: ...ent to the device and the display is updated Section 4 Control Software 1 2 Performing Water Quality Calibrations Although satisfactory results may be achieved in some cases without field calibrating...

Страница 36: ...When you finish the Wizard the information is sent to the device and the display is updated Section 4 Control Software 1 2 3 1 2 Taking Manual Readings The MP TROLL 9500 collects data in tests but yo...

Страница 37: ...The Extract operation copies a test data file to the host PC but does not remove it from the MP TROLL 9500 Test data files remain in the Multi Parameter TROLL 9500 s memory until you delete them Delet...

Страница 38: ...urement Units and Other Preferences in Section 4 1 Connect the MP TROLL 9500 to a host PC and establish communi cation in Win Situ 4 or Pocket Situ 4 2 Click to select the MP TROLL 9500 in the Navigat...

Страница 39: ...lick Meter Profiling Dissolved Oxygen The ability of the polarographic D O sensor to respond to a change in the dissolved oxygen content of the medium for the sensor to ac curately see a change varies...

Страница 40: ...Log during continuous logging Select a different channel for display in this position Profiler logging status Click any reading to display a graph of the channel Select the channel to graph Y axis ran...

Страница 41: ...in the Meter view Snapshot To log a single set of Profiler readings click or tap the SnapShot button in the Meter view Continuous To log continuous readings click or tap the Continu ous button in the...

Страница 42: ...you do through Win Situ or Pocket Situ con trol software can be visualized as actions performed on tests For example s TO GIVE THE DEVICE INSTRUCTIONS FOR COLLECTING DATA add a test s WHEN YOU WANT T...

Страница 43: ...ered manually The dialog box shown below asks if you wish to edit the barometric settings in the absence of vented cable Do one of the following s F THE 42 IS ON vented cable now and will take measure...

Страница 44: ...type Manual start test you start Scheduled start test starts by itself MORE ON MEASUREMENT SCHEDULES LINEAR In Linear sampling all selected channels are measured at the same Measurement Interval all m...

Страница 45: ...n the event test setup screen below then data will be logged every hour regardless of the Delta comparisons Data gathered in an Event test consist of both Delta points and default storage There is no...

Страница 46: ...rmation pane shows details about the selected test When the Tests node group view is selected the Information pane shows all tests and displays the Add button DPs is the number of data points logged W...

Страница 47: ...uter You may view the le immediately after the download or later 1 With the MP TROLL 9500 connected to a host PC and selected in the Navigation tree click or tap Tests 2 In the Information pane select...

Страница 48: ...4 After you con rm the selected test s are permanently removed from the device TIP The Delete procedure can be used to cancel a pending scheduled test 3 1 2 SECTION 6 LOGGING DATA CLONING A TEST The C...

Страница 49: ...be in a folder called Storage Card or SD Card On the RuggedReader look in Built in Storage Open the Pocket Situ Data folder double click to display a listing of your extracted data bin les SECTION 6...

Страница 50: ...o the host computer Any test that has been extracted can be viewed in text or graphical format A test can be extracted and viewed at any time even while it or another test is running The software prov...

Страница 51: ...data below the header in Report view s 5SE THE VERTICAL AND HORIZONTAL SCROLLBARS TO SCROLL THROUGH THE data le s R CLICK ULL 3CREEN IN THE SHORTCUT BAR TO ENLARGE THE TEXT DIS play and then use the...

Страница 52: ...h the following controls Number of Graphs One Graph All channels selected Zoomed in on 11 22 minutes Vertical grid CHANGING THE DATA DISPLAY The View button launches wizards to let you change the way...

Страница 53: ...he de watering necessary to release the methane gas Monitoring of water levels assures ef cient produc tion Water level measurements of surface water by pressure measurements yield signi cant data abo...

Страница 54: ...e presence of the MP TROLL 9500 s onboard barometric pressure sensor as long as the instrument is connected to vented cable See Correcting Absolute Pressure Readings for Barometric Pressure later in t...

Страница 55: ...f you choose this mode click Finish to end the Wizard Then select units on Win Situ s Options menu s Depth converts the pressure of the water column to a depth reading in meters centimeters feet or in...

Страница 56: ...y determine liquid DENSITY IF THE WORKING mUID IS NOT PURE WATER s Gravitational Acceleration The acceleration due to gravity that an object experiences is location speci c Given your latitude and ele...

Страница 57: ...ence Reading Now with probe installed For AQUIFER TESTING 1 Select Pressure in Parameters list select Edit Display Mode Depth Level Conversion Speci c Gravity 1 0 2 Display Mode Select Level Top of Ca...

Страница 58: ...nd no cable venting This setup is ideal for use where barometric compensation of pressure measurements is not required in vacuum testing uncon ned aquifers or very deep applications where barometric p...

Страница 59: ...barometric reference should be zero the downhole reference will be the water level Schedule tests to start at the same time in each unit Extract download the data from both tests and subtract the bar...

Страница 60: ...be automatically named check the create new le checkbox 6 Click OK The correction is performed immediately and the cor rected le is displayed RECALIBRATION RECOMMENDATIONS Pressure sensor accuracy can...

Страница 61: ...tic organisms and many biochemical reaction rates can often be approximated by the Q10 rule which predicts that growth rate will double if temperature INCREASES BY WITHIN THEIR hPREFERREDv RANGE Knowl...

Страница 62: ...alibration is required The temperature channel is automatically included in tests so that solution temperature is available to compensate water quality data from other channels Units 4EMPERATURE MAY B...

Страница 63: ...te for barometric pressure venting See the procedure in this section THE BAROMETRIC PRESSURE SENSOR Most models of the Multi Parameter TROLL 9500 include a per manent factory calibrated internal barom...

Страница 64: ...28 0 571 15 500 4724 4 16 54 420 2 8 13 0 560 16 000 4876 8 16 21 411 8 7 96 0 549 16 500 5029 2 15 89 403 5 7 81 0 538 PRESSURE VS ELEVATION based on U S Standard Atmosphere 3 Do one of the following...

Страница 65: ...ards mandated by regulatory bodies Pro ling and logging water quality data can provide timely information on continually changing conditions pro ling to provide instantaneous real time feedback loggin...

Страница 66: ...rom the sensor Retain the cap or bottle for future storage and protection of the sensor If the con nector end is covered with a cap remove it also TIP To ensure optimum membrane response for new ion s...

Страница 67: ...tor CALIBRATION OVERVIEW The MP TROLL 9500 and its control software provide several options for calibration of the water quality sensors Select the method that suits the time you have at your disposal...

Страница 68: ...available from In Situ Inc Our calibration solutions are certi ed to N I S T standards packaged in quarts each providing suf cient mUID FOR AT LEAST CALIBRATIONS ITS INCLUDE DEIONIZED WATER IF THAT su...

Страница 69: ...irrer for Calibration To use the battery powered stirrer for calibration attach it to the MP TROLL 9500 and Cal Cup as follows See illustration C on the follow ing page 1 Remove the restrictor nose co...

Страница 70: ...the conductivity sensor dry Store the DO pH and pH ORP sensors in their storage bottles located in the sensor kits DO in clean water pH and pH ORP in the solution they were shipped in or with a moist...

Страница 71: ...IONS THE SENSORS MAY NEED TO BE CLEANED AND recalibrated every few days Your own measurement results are the best guide to the need to recalibrate When a sensor or instrument is new we recommend check...

Страница 72: ...cone from the MP TROLL 9500 Leave the restrictor attached to the instrument 2 Screw the top of the stirrer propeller end to the stainless steel restrictor in place of the nose cone 3 Start the stirre...

Страница 73: ...er can even be slightly acidic pH 6 depending on the concentration of dissolved carbon dioxide CO2 The carbon dioxide combines with water to form a small amount of carbonic acid H2 CO3 and this pro ce...

Страница 74: ...to remove the plug from the port Retain the plug for future use 5 Remove any moisture or dirt from the port connector with a clean swab or tissue 6 Remove the cap from the sensor connector Check lubri...

Страница 75: ...the sensor s AFTER REPLACING THE REFERENCE JUNCTION AND OR THE lLLING SOLUTION s DURING ROUTINE SCHEDULED MAINTENANCE s EVERY WEEKS IN THE ABSENCE OF OTHER INDICATIONS pH QUICK CAL The procedure to Q...

Страница 76: ...the Wizard returns to the screen shown at step 10 and waits for you to situate the probe in the next calibration solution and click Run 8 9 SECTION 1 1 PH Indicators during Calibration s Status NOT T...

Страница 77: ...ICIENTS The sensor s calibration may be reset back to factory defaults at any time As the sensor ages the coef cients calculated during calibra tion will deviate more and more from the nominal values...

Страница 78: ...ctrical connector 4 Using the dispenser cap on the lling solution bottle insert the tube into the bottom of the empty reservoir Squeeze a steady stream of solution into the RESERVOIR UNTIL IT OVERmOWS...

Страница 79: ...pposing electrodes of a 1 cm cube at a speci c temper ature The unit 1 ohm or mho was given the name of Siemens S for conductance It is not practical to require all conductance cells to have the dimen...

Страница 80: ...during eld use Nominal vs Stable To shorten the calibration time you have the option to accept the calibration when Nominal stability conditions are achieved If the early value is accepted the calibr...

Страница 81: ...rts 3 Insert the front end of the MP TROLL 9500 into the open end of the Cal Cup Thread the Cal Cup onto the body until seated against the o ring then back off slightly to avoid overtightening s OW RA...

Страница 82: ...is enables you to follow the progress of the stabiliza tion but deviation from the previous reading is not necessarily the best indicator of stability as the software is looking at longer term trends...

Страница 83: ...ure ments calculated from the conductivity channel output TIP To change unit preferences In Win Situ select Preferences on the Options menu In Pocket Situ select the Home site then tap Setup in the co...

Страница 84: ...e in conductivity 3PECIlC CONDUCTANCE IS THE CONDUCTIVITY OF A SUBSTANCE AT AND MEASUREMENTS ARE USUALLY STANDARDIZED TO WHEN IT IS NECESSARY to compare data When the temperature of a sample and its c...

Страница 85: ...ight intensity changes from dawn to dusk WHY MEASURE DISSOLVED OXYGEN Most aquatic life requires an average D O value greater than 5 0 mil ligrams dissolved oxygen per liter of water mg L in order to...

Страница 86: ...The use of a stirrer or similar mechanism to increase water movement alleviates this problem SENSOR CONDITIONING As soon as the software recognizes and displays the D O sensor in port 2 powering of t...

Страница 87: ...SOR Condition a new sensor or one with a new membrane as follows 1 Fill and install the sensor as described above 2 Connect the MP TROLL 9500 to a PC and establish a connection in Win Situ 4 or Pocket...

Страница 88: ...ated with water This is the condition during a Quick Cal in the inverted Cal Cup with the sensor membrane exposed to air temperature sensor submerged and Cal Cup vented to the atmosphere in water satu...

Страница 89: ...S NOT IN THE aeration path Rotate as necessary to prevent air bubbles from collecting on the membrane surface s NSURE THE TEMPERATURE SENSOR IS SUBMERGED AT LEAST v mm in the aerated water Allow a few...

Страница 90: ...Select the stimulus at saturation s EFAULT 4HIS VALUE IS CALCULATED BY THE SOFTWARE AT THE CURRENT temperature and barometric pressure s 5SER 3ET NTER A VALUE FROM A LOOK UP TABLE IF REQUIRED 12 13 1...

Страница 91: ...ng at longer term trends s URRENT TEMPERATURE AND BAROMETRIC PRESSURE ARE SHOWN THESE values are used to calculate the stimulus TIP If the calibration stimulus was entered from a look up table at step...

Страница 92: ...n process will typically be in the following ranges depending on the membrane thickness 1 mil membrane between 30 and 67 nA mg L 2 mil membrane between 15 and 34 nA mg L If the calculated slope is muc...

Страница 93: ...ft We recommend gradual submer sion and retrieval no faster than 4 ft per second STIRRING Polarographic D O measurements drop in very stagnant water due to depletion of oxygen next to the membrane A s...

Страница 94: ...ting cannot be removed the sole remedy is to replace the sensor After cleaning rinse thoroughly and shake to dry Then ll and attach a new membrane module as follows REPLACING THE MEMBRANE MODULE The D...

Страница 95: ...Greenberg eds Stan dard Methods for the Examination of Water and Wastewater 21st edition Washington D C American Public Health Association American Water Works Association and Water Environment Fed er...

Страница 96: ...tenance OPTICAL MEASUREMENT OF DISSOLVED OXYGEN The RDO Sensor and Salinity Unlike an electrochemical cell the RDO sensor does not respond to changes in salinity Since the absolute solubility of oxyge...

Страница 97: ...the date printed on the packaging INSTALLING THE RDO SENSOR 1 If necessary install batteries in the TROLL 9500 instrument Please exercise great care in handling installing and shipping lithium batter...

Страница 98: ...n the packaging 7 Perform a 2 point calibration on the sensor as described below 8 Attach the restrictor and nose cone If a turbidity sensor or turbidity wiper are installed on the cable connect model...

Страница 99: ...Inc Bubbled nitrogen may be used in this case allow plenty of time for the oxygen to be completely purged from the water RECOMMENDED CALIBRATION FREQUENCY Calibration frequency is more predictable tha...

Страница 100: ...STORED IN THE SENSOR USER SET OR factory defaults for the 0 and 100 calibration this allows the user to redo one or both calibration points s 2ESTORE DEFAULTS THEN CALIBRATE 2ESTORES FACTORY DEFAULTS...

Страница 101: ...3ELECT Run to run the oxygen saturation point again if you believe the sensor values are incorrect Go back to step 12 Status indicators NOT TESTED appears until you begin the calibration by selecting...

Страница 102: ...her words as water becomes warmer and saltier it can hold less dissolved oxygen During tests that include the RDO channel the TROLL 9500 instru ment automatically measures barometric pressure and temp...

Страница 103: ...ny moisture from the sensor body Note Ensure that there is no moisture in the o ring grooves Avoid touching or cleaning the lens with anything other than the supplied lens wipe RDO Sensor Summary s 7H...

Страница 104: ...mV In contrast natural waters need a much lower ORP value in order to support life Generally ORP values above 400 mV are harmful to aquatic life Ideally the ORP value in salt water aquari ums should b...

Страница 105: ...om the sensor connector Check lubrication of the o rings If they appear dry apply a silicone lubricant 7 Visually align the sensor connector pins with the port connector pins 8 Press the sensor rmly i...

Страница 106: ...sic sen sors For the procedure see Section 3 Getting Started B Then perform a 2 or 3 point Traditional pH calibration as de scribed in Section 11 of this manual TRADITIONAL ORP CALIBRATION PROCEDURE I...

Страница 107: ...ting the factory defaults for ORP can often restore the sensor performance UNITS AND CALCULATED MEASUREMENTS ORP readings may be displayed in Volts or milliVolts No calculated measurements are availab...

Страница 108: ...of the sensor with the soft cap it shipped with or wrap the sensor in a paper towel to prevent solution from entering the connector 4 Using the dispenser cap on the lling solution bottle insert the t...

Страница 109: ...roorganisms Ammonia ammonium can be a key parameter in the assessment of water and wastewater quality Measurement of ammonium can yield information on the composition and movement of pollutants in gro...

Страница 110: ...for ease of removal CALIBRATION OVERVIEW The software offers several options for ammonium calibration s Three point bithermal two temperature calibration The rst two calibration points are taken in s...

Страница 111: ...nt end of the MP TROLL 9500 in clean water Shake to dry For best results follow this with a rinse in a portion of the selected calibration solution Discard the rinse solution 2 Insure the black PVC ba...

Страница 112: ...IN MILLI6OLTS s EVIATION HANGE IN SENSOR RESPONSE BETWEEN THE LAST TWO READ ings s URRENT TEMPERATURE IS ALSO DISPLAYED 11 If doing a single point calibration go to step 16 For a multi point calibrati...

Страница 113: ...ND CALCULATED MEASUREMENTS Ammonium ion concentration is reported in ppm equivalent to mg L No calculated measurements are currently available USAGE RECOMMENDATIONS AND CAUTIONS Ammonium Sensor PERATI...

Страница 114: ...in pure water for more than a few minutes at a time The electrode is not customer re llable STORAGE Store the sensor immersed in 14 or 140 ppm N solution depending on usage requirements rather than d...

Страница 115: ...ed 100 ppm Cl as a maximum for water used for irrigation while 250 ppm Cl is the maximum for drinking water THE CHLORIDE SENSOR The In Situ sensor is an ion selective electrode ISE that is selective f...

Страница 116: ...calculates the sensor s slope and offset but cannot compute the isopotential point For best results this type of calibration should be carried out as close as possible to the temperature at which the...

Страница 117: ...support 4 Connect the MP TROLL 9500 to a PC and establish a connection in Win Situ 4 or Pocket Situ 4 Win Situ screens are illustrated here The Pocket Situ interface is similar with the Navigation tr...

Страница 118: ...end of the instrument in clean water followed by a rinse in the next calibration solution re ll the Cal Cup with the second solution and attach it to the instrument TIP The used calibration solution m...

Страница 119: ...hich a change in pH will not cause a signi cant change in the measured voltage It is the plateau on a graph of pH against mV at constant concentration of the detected ion Outside this range a change i...

Страница 120: ...ons ranging from 0 1 to 20 ppm N Levels as high as 30 ppm N are FOUND IN WASTEWATER DISCHARGES AND WASTEWATER EFmUENT PLANTS WHILE levels as low as 0 05 ppm N are found in unpolluted groundwater WHY M...

Страница 121: ...sor by the sides not the tip align the mark on the side of the sensor with the mark on the port Avoid touching the membrane at the tip of the sensor Contaminants on the membrane can change its propert...

Страница 122: ...THE eld for example in stagnant or very slowly moving water The MORE CLOSELY CALIBRATION CONDITIONS REmECT lELD CONDITIONS THE MORE successful the calibration For more information on the stirrer see...

Страница 123: ...ration by selecting Run UNSTABLE indicates the sensor response does not meet the criteria for a valid calibration point NOMINAL indicates the sensor deviation meets early stabiliza tion criteria The A...

Страница 124: ...during the calibration process For a three point bithermal calibration the calculated isopotential point is shown If a single point calibration has been performed the isopotential point is the one cal...

Страница 125: ...ion do not allow the sensor to soak in pure water for more than a few minutes at a time The electrode is not customer re llable STORAGE Store the sensor immersed in 14 or 140 ppm N solution depending...

Страница 126: ...and oxygen to be produced s CAN BE A USEFUL INDICATOR OF RUNOFF INTO SURFACE WATER SYSTEMS s IN mOW CELL OR IN LINE APPLICATIONS WHEN PUMPING WATER AT VERY LOW rates can provide a good indication of...

Страница 127: ...bination pressure turbidity sensor can be added at the factory The In Situ turbidity sensor is comprised of a matched solid state detector emitter pair positioned at right angles The light source is a...

Страница 128: ...pply a silicone lubricant before installation 4 Visually align the connector on the wiper with the connector at the bottom of port 3 5 Press rmly until you feel the wiper dock with the port connector...

Страница 129: ...EAD MAY BE REPLACED AS NEEDED 2EFER TO 7IPER Maintenance guidelines later in this section s 7HEN AN 2 OPTICAL DISSOLVED OXYGEN SENSOR IS INSTALLED CHECK to see that the RDO adapter cable is out of the...

Страница 130: ...ibration The need for recalibration depends on the condition of the optical windows which in turn depends on the environment In a biologically active environment cleaning and calibration will be requi...

Страница 131: ...ken in a standard with a value of 0 NTU Use clear water for this Purchased distilled or deionized water will generally measure less than 0 5 NTU Filtered water will have a lower NTU value 11 Select Ne...

Страница 132: ...NT SENSOR RESPONSE IN 45 s 3ENSOR EVIATION HANGE IN SENSOR RESPONSE BETWEEN THE LAST TWO readings s 4EMPERATURE 14 If doing a one point calibration go to step 17 For a multi point calibration the Wiza...

Страница 133: ...idity measurements Nephelometers are relatively unaffected by small changes in design parameters and therefore are speci ed as the standard instrument for measurement of low turbidities Nonstandard tu...

Страница 134: ...urbidity sensor optics prop erly Adjusting Wiper Pressure If necessary loosen the set screw on the wiper head and gently pull the head up or press down lightly to ensure the pad just brushes the optic...

Страница 135: ...is suf cient to power a TROLL 9500 on 170 ft 52 m of RuggedCable Cables as long as 300 ft 91 m may be used depending on power supplied Before using cables longer than 170 ft 52 m we recom mend that y...

Страница 136: ...ed in Table 19 2 TIP You can change the default order of parameters reported in Win Situ or Pocket Situ like this 1 Select the MP TROLL in the Navigation tree 2 Select Edit 3 In the dialog box select...

Страница 137: ...L 9500 will continue to collect new data using its own internal batteries and clock TIP Depending on the SDI 12 data recorder used rapid sample schedules during a test may result in SDI 12 retries EXT...

Страница 138: ...eters will be available for reading by the Send Data command within SECOND SERVICE REQUEST A 2 WILL BE SENT WHEN THE PARAMETERS are ready The number of parameters returned is determined by the SDI 12...

Страница 139: ...ta Re corder customer supplied MP TROLL 9500 up to 300 ft 91 m RuggedCable see Table 19 1 for power requirements of cables longer than 170 ft 52 m to another SDI 12 device Adapter up to 200 ft 61 m SD...

Страница 140: ...the change in parameter readings falls within the specified target range PREPARATION s NSTALL 7IN 3ITU FROM THE SOFTWARE OR N 3ITU WEBSITE s NSTALL 0OCKET 3ITU TO YOUR DESKTOP LAPTOP 0 FROM THE OR we...

Страница 141: ...launched the Wizard from an EXISTING mO lLE DATA ENTRY VALUES WILL BE SUPPLIED TIP The Wizard opens the COM port you used last this is stored in the Wizards ini file in the Config subfolder in the fo...

Страница 142: ...in the output file name 2 Click or tap Next to continue 3 In the next screen enter details about the pump and tubing tubing information is used in later volume calculations If creating a template esti...

Страница 143: ...in of last 3 readings last reading r 100 9 If you wish to add comments click the Notes button They will be included in the output report 10 Ensure the pump is on unless you are creating a template the...

Страница 144: ...eet based on a template by right clicking the tab at the bottom of the screen in Excel 2 Click Insert then select the template InSituLowFlow xlt 3 When prompted by Excel select Enable Macros An exampl...

Страница 145: ...ITORING Sample of a Low Flow output report using the Export to Excel function and the In Situ template InSituLowFlow xlt Normalized data change in indicator parameters mapped from 0 to 1 A graph may b...

Страница 146: ...hite cover back down over the battery compartment and hand tighten to thread it to the instrument body Screw the cover down firmly to compress the o rings and create a waterproof seal When properly as...

Страница 147: ...protective red dustcap on the cable end or store with cable attached to protect the connector pins and o ring Store the instrument where it will be safe from mechanical shocks that may occur such as...

Страница 148: ...k the following s ALL CABLE CONNECTIONS ARE TIGHT s THE BACK END IS SECURELY ATTACHED TO THE INSTRUMENT s THE CORRECT PORT IS SELECTED s THE INTERNAL BATTERY HAS VOLTAGE REMAINING ATTACH EXTERNAL powe...

Страница 149: ...onnector When properly inserted a only a very small gap 0 060 0 075 inch the width of the sensor removal tool remains between the widest part of the sensor and the instrument body 2 Remove excess lubr...

Страница 150: ...1000 hours but actual units are ppm t is the time expressed in hours Using this information the maximum drift over time is shown in the table on this page DETERMINING DENSITY The density of water in a...

Страница 151: ...e after the corresponding cable segment is removed from the well 1 Lower the transducer into the well until it is submerged under about one meter of water 2 Secure the transducer at a fixed depth usin...

Страница 152: ...e see Atmospheric pressure Bithermal At two temperatures e g a three point calibration of an ammonium chloride or nitrate sensor conducted at two different temperatures Basic sensor set pH pH ORP cond...

Страница 153: ...ng eliminates the need to stir the sample to avoid oxygen depletion Dissolved oxygen DO The amount of oxygen present in water and available for respiration DO Dissolved Oxygen Downhole cable see Rugge...

Страница 154: ...rs are measured at the same regular unvarying sample interval and all measurements are logged Log test Log sampling Test measurement schedule in which mea surements begin closely spaced and the interv...

Страница 155: ...r stipulated conditions A measure of the reproducibility of a method Pressure A type of stress which is exerted uniformly in all directions Its measure is the force exerted per unit area e g pounds pe...

Страница 156: ...s on both ends Rugged titanium or Standard carbon filled ABS plastic halogen free version available S see Siemens Salinity A measure of the amount of salts dissovled in water usually expressed in part...

Страница 157: ...orating the water and weighing the residue Calculated from conductivity TPU Thermoplastic Polyurethane a cable jacket option TROLL Com Communication cable interface between MP TROLL 9500 and a desktop...

Страница 158: ...ries 7 displaying capacity 25 installing 12 replacing 141 setting battery type 26 Baud rate 16 C Cable 6 communication cables 7 eld installation 51 non vented cable 56 57 suspension wire 6 51 TROLL Co...

Страница 159: ...Device information 24 25 Device node 23 Display units 27 Dissolved oxygen about 78 calibration optical RDO 91 95 calibration polarographic 80 85 percent saturation 85 95 pro ling 32 Quick Cal 17 unit...

Страница 160: ...30 42 Microsoft Excel 45 139 N Name connection 16 data les 34 40 pressure channel 48 test 36 Navigation tree 23 test status symbols in 39 Nernst equation 66 97 Nitrate about 115 calibration 116 inter...

Страница 161: ...commands 131 133 enable disable 26 130 out of range readings 132 wiring 130 Seals o rings 141 sensor o rings 60 Sensors 58 ammonium 104 barometric pressure 56 chloride 110 conductivity 72 dissolved ox...

Страница 162: ...nts 128 Turbidity wiper 122 124 during Quick Cal 17 installation 123 maintenance 129 manual wipe 124 Twist Lock connectors 15 Twist Lock hanger 9 51 U Units selecting 27 Upgrading features 25 rmware 3...

Страница 163: ...ition to the built in temperature and barometric pressure parameters is in compliance with the following Directive 89 336 EEC for Electromagnetic Compatibility EMC and meets or exceeds the following i...

Страница 164: ...afety Directive and meets or exceeds the following international requirements and compliance standards Immunity EN 61326 Electrical Equipment for Measurement Control and Laboratory Use Industrial Loca...

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