TROLL 9500 Operator's Manual - Geotech Environmental Equipment

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Multi-ParameterWater Quality TROLL ®GlossaryABend: Indication in the software interface that a test has come to an“ABnormal END”—usually because the device memory is full, orpower was lost.ABS: Acrylonitrile Butadiene Styrene, a plastic material.Absolute pressure sensor: Non-vented pressure sensor that measuresall pressure forces detected by the strain gauge, including atmosphericpressure. Fluid levels measured with an absolute pressuresensor must be corrected through subtraction of the atmosphericpressure to obtain accurate fluid level measurements. CompareGauged pressure sensor.AC: Absolute or Actual Conductivity.Accuracy: Closeness of agreement between the result of a measurementand the true value. Usually expressed as a deviation from100% accuracy.A/D (analog to digital) converter: Converts an electrical signal to anumeric value that can be interpreted by a computer.Ambient pressure (temperature): The pressure (temperature) of themedium surrounding the sensor or instrument.Ammonia (NH 3): A toxic, colorless gas with a pungent odor, highlywater-soluble.Ammonium (NH 4+): Solvated ammonium cation produced when ammoniagas is dissolved in water.Ammonium chloride (NH 4Cl): A salt used to make ammonium andchloride calibration standards.Anion: Negatively charged ion (e.g., Cl – , NO 3–).Atmospheric pressure: Pressure due to the atmosphere, altitude-dependent.Barometric pressure, see Atmospheric pressureBithermal: At two temperatures, e.g., a three-point calibration of anammonium, chloride, or nitrate sensor conducted at two differenttemperatures.Basic sensor set: pH, pH/ORP, conductivity, and polarographic (Clarkcell) dissolved oxygen; compare Extended sensor set.Boxcar filtering: A smoothing scheme that looks at the 5 most recentdata points.Cable, see Comunication cable, Network cable, RuggedCable, TROLLCom, Vented cableCalibration: The process of determining the response of a measurementsystem to a known amount of the measured component inorder to permit the measurement of unknown samples.Calibration, out-of-box: Use of new Basic sensors for the MP TROLL9500 directly from the box, with factory-supplied calibration coefficients.Sensors should be calibrated after they are used and beginto drift.Calibration, Quick Cal: A rapid calibration procedure available for theBasic sensors, using a single solution.Calibration, traditional: Single- or multi-point methods for calibratingwater-quality sensors individually to gain higher accuracy.Calibration coefficients: Sensor slope and offset that convert analogmeasurements to user units; calculated during calibration.Calibration cup: Clear PVC vessel that attaches to the front end of theMP TROLL 9500 in place of the restrictor and holds the recommendedamount of calibration solution during calibration of thewater-quality sensors.Calibration kit: Boxed set of standards for calibrating a specific waterqualitysensor for operation in a specific range.Calibration solution, Calibration standard: A solution whose concentrationis accurately known.TROLL 9500 Operator’s Manual 1470095110 rev. 007 01/09
GlossaryCation: Positively charged ion (e.g., NH 4+, Na + ).Cell constant: A value that describes a conductivity cell which is determinedby electrode area and electrode separation.Chloride (Cl – ): Common anion in water that gives it a salty taste.Chlorophyll: Green pigment in plants that transforms light energy intochemical energy during photosynthesis.Clone: Copy all elements of a selected test definition to a new test.Combination electrode: A combination of a sensing or measurementelectrode and a reference electrode in one unit.COM port: RS232 serial communication port on a PC.Communication cable: see TROLL ComConductivity, electrical: A measure of the ability of an aqueous solutionto carry an electric current. Increases with increasing temperature.Connection node: Node in the Win-Situ or Pocket-Situ Navigationtree, representing the COM port on the host PC.Data folder: Node in the Win-Situ or Pocket-Situ Navigation tree,providing a view of tests that have been extracted from the devicememory to the host PC. The Data Folder can be expanded to showthe device type, device serial number, and test name.Data point: In logged data, one reading from every channel beingsampled.Density: Mass of a substance per unit volume (e.g., grams per liter,g/L; grams per cubic centimeter, g/cm 3 ). Water is most dense at 4°Celsius.Depth: The distance between the water surface and the pressure sensorof the MP TROLL 9500. Converted from pressure units usingvalues selected by the user during pressure parameter setup.Derived measurement: Value calculated in software from the outputof more than one sensor; e.g., salinity is derived from conductivityand temperature.Device node: Node in the Win-Situ or Pocket-Situ Navigation tree,representing the connected MP TROLL 9500.Digital DO: Proprietary method of powering the dissolved oxygen sensor;digital pulsing eliminates the need to stir the sample to avoidoxygen depletion.Dissolved oxygen (DO): The amount of oxygen present in water andavailable for respiration.DO: Dissolved Oxygen.Downhole cable, see RuggedCableDrift: Gradual change in sensor response with time.DSP: Digital signal processor.Electrode: An electric conductor through which an electric currententers or leaves a medium (such as an electrolyte).Electrolyte: A chemical compound which when dissolved in water willconduct an electric current; sensor filling solution.Event test, Event sampling: Test measurement schedule in which theselected parameters are measured at the same regular, unvaryinglinear interval, but the data are logged only if the measurementson the designated event channel exceed a user-specified value.Conserves storage memory while logging all meaningful data.Extended sensor set: Ammonium, chloride, nitrate, turbidity, and opticaldissolved oxygen sensors; compare Basic sensor set.Extract: Copy test data from the MP TROLL 9500 memory to a hostPC. Initiated by the Extract button when a test is selected in theNavigation tree.Firmware: Software program that resides in the memory of the MPTROLL 9500; firmware can be field-upgraded.Flow cell: Clear vessel with input and output ports for routing flow pastthe sensors of the MP TROLL 9500; alternative to in-situ installationof the instrument where in-place installation is not possible orpractical.Flow-Sense Wizard: Low-flow application in Win-Situ software formonitoring water-quality indicator parameters in a flow cell duringlow-flow pumping.FNU: Formazin Turbidity Units; compare NTUFS: Full scale.Gauged pressure sensor: Pressure sensor that is vented to theatmosphere; measures only pressure exerted by the water column,excludes the atmospheric pressure component. Compare Absolutepressure sensor; see also Vented cable.HDPE: High-density polyethylene.HIF: U.S. Geological Survey’s Hydrological Instrumentation Facility.Home site: Default site node (top node) in the Win-Situ or Pocket-SituNavigation tree, representing the host computer.TROLL 9500 Operator’s Manual148 0095110 rev. 007 01/09
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Multi-ParameterWater Quality TROLL
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ContentsCalibration ...............
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ContentsSensor Care................
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Section 1: IntroductionConventionsT
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Section 1: IntroductionCleaning Gui
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Section 2: Components & FeaturesCab
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Section 2: Components & FeaturesWat
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Section 2: Components & FeaturesPro
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Section 3: Getting StartedInstall t
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Section 3: Getting StartedEstablish
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Section 3: Getting StartedThe Quick
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Section 3: Getting StartedThe Wizar
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Section 4: Control SoftwareSoftware
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Section 4: Control SoftwareEditing
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Section 4: Control SoftwareChoosing
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Section 4: Control SoftwareExtracti
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Section 5: ProfilingThe profiler ca
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Section 5: ProfilingCustomizing the
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Section 6: Logging DataWith a D.O.
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Section 6: Logging DataEVENT (conti
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Section 6: Logging DataStarting a M
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Section 6: Logging DataTransferring
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Section 6: Logging DataThe selected
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Section 7: Monitoring Pressure (Wat
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Section 8: Monitoring TemperatureRo
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Section 9: Monitoring Barometric Pr
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Section 10: Monitoring Water Qualit
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Section 11: pHE ois related to the
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Section 11: pH5. Select the MP TROL
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Section 11: pH• pH readings in pu
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Section 12: ConductivityTypeOperati
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Section 12: Conductivity10. In the
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Section 12: ConductivityTotal Disso
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Section 13: Dissolved Oxygen—Pola
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Section 13: Dissolved Oxygen—Opti
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Page 104 and 105: Multi-ParameterWater Quality TROLL
Page 106 and 107: Section 14: orpRecommended Calibrat
Page 108 and 109: Section 14: orpUsage Recommendation
Page 110 and 111: Section 15: AmmoniumSensor Installa
Page 112 and 113: Section 15: AmmoniumThe Ammonium Ca
Page 114 and 115: Section 15: AmmoniumSensor Care and
Page 116 and 117: Section 16: Chloride2. Remove the s
Page 118 and 119: Section 16: Chloride10. In the next
Page 122 and 123: Section 17: Nitrate• Single-point
Page 124 and 125: Section 17: Nitrate12. Remove the C
Page 128 and 129: Section 18: TurbidityWiper Installa
Page 130 and 131: Section 18: TurbidityPolymer-based
Page 132 and 133: Section 18: TurbidityA screen simil
Page 134 and 135: Section 18: TurbidityCleaning may b
Page 136 and 137: Section 19: SDI-12 OperationSensor
Page 138 and 139: Section 19: SDI-12 OperationSDI-12
Page 142 and 143: Section 20: Low-Flow MonitoringFlow
Page 144 and 145: Section 20: Low-Flow MonitoringOutp
Page 154 and 155: GlossaryHost PC: Desktop computer r
Page 156 and 157: GlossaryReading: Measurement from a
Page 160 and 161: Indexsaving data, 138setting unit p
Page 162 and 163: IndexTest Wizard, 35Text files, 45T
Page 164: Declaration of ConformityManufactur
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