Hanna Instruments HI 9829 User manual

1
Instruction Manual
HI 9829
Multiparameter Meter
With available GPS,
logging probe, turbidity
and ion measurements

2

3
HANNAinstruments®reservestherighttomodifythedesign,
constructionandappearanceofitsproductswithoutadvancenotice.
Dear Customer,
ThankyouforchoosingaHANNAinstruments®product.
Pleasereadthisinstructionmanualcarefullybeforeusingtheinstrument.
Itwillprovideyouwiththenecessaryinformationforcorrectuseofthe
instrument,aswellasit’sversatility.
Ifyouneedadditionaltechnicalinformation,donothesitatetoe-mailusat
[email protected]orvisitourwebsitewww.hannainst.comforour
worldwidecontactlist.
Thisinstrumentisincompliancewiththe directives.

4
TABLE OF CONTENTS
CHAPTER 1- INTRODUCTION
1.1PreliminaryExamination ........................................................................................6
1.2ModelIdentification...............................................................................................6
1.3GeneralDescription ..............................................................................................6
1.4DisplayandKeypadDescription.............................................................................8
CHAPTER 2 - QUICK START
2.1SensorandProbeInstallation ................................................................................9
2.2BasicOperation ..................................................................................................10
2.3HelpFunction .....................................................................................................11
CHAPTER 3 - SPECIFICATIONS
CHAPTER 4 - PROBE INSTALLATION
4.1SensorDescriptions .............................................................................................19
4.2SensorPreparation/Activation ..............................................................................21
4.3SensorInstallation ...............................................................................................23
CHAPTER 5 - INITIALIZATION AND MEASUREMENT
5.1BatteryInstallation ...............................................................................................25
5.2MeterInitialization ...............................................................................................27
5.3MeasurementMode ............................................................................................28
5.4SetupMenuStructure ..........................................................................................29
CHAPTER 6 - PARAMETER SETUP MENU
6.1SelectParameters ................................................................................................30
6.2ParameterUnits ...................................................................................................30
6.3ParameterCoefficients .........................................................................................32
6.4Averaging ...........................................................................................................33
6.5TurbidityAveraging .............................................................................................33
CHAPTER 7 - CALIBRATION MODE ............................................................ 34
7.1QuickCalibration ...............................................................................................35
7.2pHCalibration ....................................................................................................37
7.3ISECalibration ....................................................................................................40
3.1SystemSpecifications ...........................................................................................12
3.2ProbeSpecifications ............................................................................................17
3.3SensorSpecifications ...........................................................................................18

5
7.4ORPCalibration .................................................................................................41
7.5DissolvedOxygenCalibration..............................................................................42
7.6ConductivityCalibration ......................................................................................44
7.7TurbidityCalibration ............................................................................................48
7.8TemperatureCalibration ......................................................................................50
7.9AtmosphericPressureCalibration.........................................................................50
CHAPTER 8 - SYSTEM SETUP
8.1MeterSetup.........................................................................................................52
8.2ProbeSetup ........................................................................................................55
CHAPTER 9 - GPS MENU (optional) ........................................................... 56
CHAPTER 10 - STATUS
10.1MeterStatus ......................................................................................................58
10.2ProbeStatus ......................................................................................................58
10.3GLPData .........................................................................................................59
CHAPTER 11 - LOGGING MODE ............................................................... 63
11.1Loggingmenustructure .....................................................................................65
11.2LoggingonMeter ..............................................................................................65
11.3ProbeLog .........................................................................................................67
11.4LogRecall .........................................................................................................68
11.5LogNotes .........................................................................................................70
CHAPTER 12 - PC CONNECTION
12.1SoftwareInstallation...........................................................................................73
12.2MetertoPCConnection ....................................................................................73
12.3ProbetoPCConnection ....................................................................................75
CHAPTER 13 - TROUBLESHOOTING / ERROR MESSAGES ............................. 77
APPENDIX
A-PROBEMAINTENANCE......................................................................................80
B-PROBEDEPLOYMENT ........................................................................................83
C-ISEINFORMATION.............................................................................................85
D-ACCESSORIES ....................................................................................................91
E-WARRANTY.........................................................................................................97

6
Chapter 1 - INTRODUCTION
1.1 PRELIMINARY EXAMINATION
Removetheinstrumentfromthepackingmaterialandexamineitcarefullyto
makesurethatnodamagehasoccurredduringshipping.Ifthereisanydam-
age,notifyyourDealerorthenearestHANNACustomerServiceCenterimmedi-
ately.
Note Saveallpackingmaterialsuntilyouaresurethattheinstrument
functionscorrectly.Anydamagedordefectiveitemsmustbereturned
intheiroriginalpackingmaterialwiththesupplied accessories.
1.2 MODEL IDENTIFICATION
Meter:Therearetwomodelsforthemeter:
HI 9829:Portablemultiparametermeter
HI 98290:PortablemultiparametermeterwithGPS
Probe:Therearetwobasemodelsofmultiparameterprobes:
HI 7609829:Standardmultiparameterprobe
HI 7629829:Multiparameterprobewithautonomouslogging
capability
Allmetersandprobesarefullycompatiblewitheachother,andallavailable
measurementsensorscanbeusedonbothprobemodels.
Differentcombinationsofmeters,probes,sensorsandaccessoriescanbeor-
deredeitherinpredefinedconfigurationsorindividually. SeeAppendixDfor
orderingconfigurations.
Forexample,orderingcodesofprobesfollow:
HI 7609829/X isaHI7609829probewithXmetercableforpH/pH+ORP/
ISE,D.O.,EC,temperaturesensorswithashortprobeshield
HI 7619829/X isaHI7609829probewithXmetercableforpH/pH+ORP/
ISE,D.O.,EC+turbidity,temperaturesensorswithalongprobeshield
HI 7629829/X isa HI7629829loggingprobewith XmetercableforpH/
pH+ORP/ISE, D.O.,EC,temperaturesensorswithashortprobeshield
HI 7639829/X isa HI7629829loggingprobewith XmetercableforpH/
pH+ORP/ISE, D.O.,EC+turbidity,temperaturesensorswithalongprobeshield
1.3 GENERAL DESCRIPTION
HI 9829 isaportableloggingmultiparametersystemthatmonitorsupto14
differentwaterqualityparameters(7measured,7calculated).
Themicroprocessor-basedintelligentmultisensorprobeallowsmeasurementof
manywaterqualityparameterssuchaspH,ORP,turbidity,dissolvedoxygen,

7
GOOGLE™isaregisteredtrademarkofGoogle,Inc.HANNAinstruments®hasnoaffiliationwithGoogle™,Inc.
iButton®isaregisteredtrademarkofMaxim/DallasSemiconductorCorp.
conductivity,chloride,nitrate,ammoniumandtemperaturewithdatalogging.
Thesystemiseasytosetupandeasytouse.
TheHI 98290 withGPSoptionhasabuilt-in12channelGPSreceiverand
antennathatguaranteesapositionaccuracyof10m(30ft).
Measurementsfromspecificlocationsaretrackedwithdetailedcoordinate
informationthatcanbeviewedimmediatelyonthedisplay.
GPSinformationcanbetransferred to a PC using HANNA’sHI 929829
software.GPSinformationcanalsobeviewedusingaGPSmappingsoftware
suchasGoogle™Maps.Clickingonvisitedlocationsusingamappingsoftware
displaysthemeasurementinformation.
AllHI 9829 areequippedwithFastTracker™aninvaluabletoolforassociating
measurementswiththeirlocations.HANNA’sexclusiveFastTracker™—T.I.S.(Tag
IDSystem)usesiButton®sthatcanbeinstalledatanynumberofsamplingsites.
TheHI 9829 featuresagraphic,backlitdisplaythatautomaticallysizesthe
digitstofitthescreenwithon-screengraphingcapability.Eachparameterisfully
configurable.
HI 9829 wasdesignedtowithstandharshenvironmentsandistheidealsolu-
tionforfieldmeasurementsoflakes,riversandsea.
ThemetermeetsIP67standards(30minuteimmersionatadepthof1m)and
themultisensorprobemeetsIP68standards(continuousimmersioninwater).
Settingsandloggeddatacanbeprotectedwithapasscodetoavoidunautho-
rizedmodificationsandcontext-sensitivehelpisalwaysavailable.
MainfeaturesoftheHI 9829 system:
• Ruggedmeterandprobe
• Easytouse
• Measureupto16parametersanddisplayofupto12parameters
• TrackingofmeasurementlocationswithGPS(optional)
• Waterproofprotection(IP67forthemeterandIP68fortheprobe)
• ExclusiveFastTracker™—T.I.S.(TagIDSystem)
• GraphicLCDwithbacklight
• Built-inbarometerforD.O.concentrationcompensation
• Quickcalibrationfeature
• Measurementchecktoeliminateanyerroneousreadings
• Autorecognitionofprobeandsensors
• Log-on-demandandautomaticlogging(upto45,000samples)onmeterfor
allparameters
• Graphicaldisplayofloggeddata

8
• USBinterfaceforPCcommunication
• Auto-rangingforEC,ISEandturbidityreadings
• GoodLaboratoryPracticefeature,thelast5calibrationsareautomatically
stored
• Field-replaceablesensorswithcolorcodedcaps
• Metercanbepoweredwitheitheralkalineorrechargeablebatteries
• Fastchargingcapability
1.4 DISPLAY & KEYBOARD DESCRIPTION
1. GraphicLCD
2. Batterylevelindicator
3. Softkeyfunctions
4. Leftsoftkey:functiondefinedondisplay
5. On/Offkey:turnthemeteronandoff
6. Lampkey:turnthebacklightonandoff
7. Alphanumerickeyboard:insertalphanumericcodes
8. HELPkey:obtaininformationaboutthedisplayedscreen
9. Arrowkeys:scrollthedisplayedoptions/message
10. ESCkey:returntothepreviousscreen
11. Rightsoftkey:functiondefinedondisplay
12. GPSsignalstrengthindicator(optional)
13. Tagreader

9
Chapter 2 - QUICK START
BeforeyoubeginusingtheHI9829multiparametersystem,eitherchargethe
includedrechargeableCbatteriesforatleast6hoursorreplacetherechargeable
batterieswithnon-rechargeablealkalinebatteries.
2.1 SENSOR AND PROBE INSTALLATION
•Sensoro-ringsmustbelubricatedwiththesuppliedgreasepriorto
installation.
•HI 76x9829 probeshave3sensorconnectorsidentifiedwithcolor-
codedtriangles:
•Connector1(red):ForeitherpH/ORP,pH,ammonium,chloride or
nitratesensor
• Connector2(white):Fordissolvedoxygensensor
• Connector3:(blue):ForeitherECorEC/turbiditysensor
• Positiontheconnectorkeytowardsthecenteroftheprobe,makesure
theconnectorisseatedcorrectly(thesensorwillnolongermovefreely)
beforetighteningthelockingthreads.
• Toprotectthesensors,screwtheprotectiveshieldontotheprobebody.
• UnscrewthebatterycoveroftheHI7629829loggingprobeandinstall
4AAbatteriesforautonomousloggingbeforeconnectingtothemeter.
• Withthemeteroff,connecttheprobetotheDINsocketonthebottom
ofthemeter.Alignthepinsandkeythenpushtheplugintothesocket
andtightenthethread.
• TurnthemeteronbypressingtheON/OFFkey. Themeterwill
automaticallyrecognizetheprobeandtheinstalledsensorsandidentify
themontheprobestatusscreen.
• Press<Measure>toviewthemeasurementscreen.

10
2.2 BASIC OPERATION
ThemainoperatingmodesforHI 9829 aremeasurement,loggingandsetup.
Themeasurementscreencanbeconfiguredtodisplayasinglemeasurementor
upto12simultaneousmeasurementsbyusingthenumbers1-7onthekeypad.
Usethearrowkeystoscrollthroughthemeasurementsnotbeingdisplayed.
Seesection5.3formoredetails.
Themeasurementunitswillblinkifthesystemhasnotbeencalibratedandthe
measurementnumberwillblinkwhenthereadingisoutofrange.

11
Press<Log>todisplaytheloggingmenu. Youcaneitherlogasinglesample
onthemeter,startanintervallogonthemeter,orstartanintervallogona
loggingprobe(HI7629829). Seechapter11formoredetails.
Press<Menu>toentersetupmode. Youcanconfigurewhichparametersyou
wanttomeasure,calibratethesensors,changesystemsettings,accesstheGPS
menuandviewthemeterandprobestatus.
2.3 HELP FUNCTION
HI 9829 featurescontextsensitiveHELP,whichprovidesusefulinformationre-
gardingthedisplayedscreen.
SimplypresstheHELPkeytoaccessthisfunction,thenusethearrowkeysto
scrollthroughthemessage.
ToescapefromtheHELPwindow,presstheHELPkeyagainorESC.

12
Chapter 3 - SPECIFICATIONS
3.1 SYSTEM SPECIFICATIONS
TEMPERATURE
Range -5.00 to 55.00 °C;
23.00 to 131.00 °F;
268.15 to 328.15 K
Resolution 0.01 °C; 0.01 °F; 0.01 K
Accuracy ± 0.15 °C; ± 0.27 °F; ±0.15 K
Calibration Automaticat1custompoint
pH/mV
Range 0.00 to 14.00 pH; ± 600.0 mV
Resolution 0.01 pH; 0.1 mV
Accuracy ± 0.02 pH; ± 0.5 mV
Calibration Automatic1,2or3pointswithautomaticrecognition
of 5 standard buffers (pH 4.01, 6.86, 7.01, 9.18, 10.01)
and1custombuffer
ORP
Range ± 2000.0 mV
Resolution 0.1mV
Accuracy ± 1.0 mV
Calibration Automaticat1custompoint(relativemV)
DISSOLVED OXYGEN
Range 0.0 to 500.0 %
0.00to50.00ppm(mg/L)
Resolution 0.1 %
0.01ppm(mg/L)
Accuracy 0.0 to 300.0 %: ± 1.5 % of reading
or±1.0%whicheverisgreater;
300.0 to 500.0 %: ± 3 % of reading
0.00to30.00ppm(mg/L):±1.5%of reading
or±0.10ppm(mg/L)whicheverisgreater;
30.00ppm(mg/L)to50.00ppm(mg/L):±3%ofreading
Calibration Automatic1or2pointsat0,100%or1custompoint

13
CONDUCTIVITY
Range 0to200mS/cm
(absoluteECupto400mS/cm)
Resolution
Manual 1µS/cm;0.001mS/cm;0.01mS/cm;0.1mS/cm;1mS/cm
Automatic 1µS/cmfrom0to9999µS/cm
0.01mS/cmfrom10.00to99.99 mS/cm
0.1mS/cm from100.0to 400.0mS/cm
Automatic(mS/cm) 0.001mS/cmfrom0.000to 9.999mS/cm
0.01mS/cmfrom10.00to99.99 mS/cm
0.1mS/cm from100.0to 400.0mS/cm
Accuracy ±1%ofreadingor±1µS/cmwhicheverisgreater
Calibration Automaticsinglepoint,with6standardsolutions
(84µS/cm,1413µS/cm,5.00mS/cm,12.88mS/cm,
80.0mS/cm,111.8mS/cm)orcustompoint
RESISTIVITY
Range 0 to 999999 Ω·cm;
(dependingonmeasurementsetup) 0 to 1000.0 kΩ·cm;
0 to 1.0000 MΩ·cm
Resolution Dependingonresistivityreading
Calibration Basedonconductivityorsalinitycalibration
TDS (Total Dissolved Solids)
Range 0to400000ppm(mg/L);
(themaximumvaluedependsontheTDSfactor)
Resolution
Manual 1ppm(mg/L);0.001ppt(g/L);
0.01ppt(g/L);0.1ppt(g/L);1ppt(g/L)
Automatic 1ppm(mg/L)from0to9999ppm(mg/L)
0.01ppt(g/L)from10.00to99.99ppt(g/L)
0.1ppt(g/L)from100.0to400.0ppt(g/L)
Automaticppt(g/L) 0.001ppt(g/L)from0.000to9.999ppt(g/L)
0.01ppt(g/L)from10.00to99.99ppt(g/L)
0.1ppt(g/L)from100.0to400.0ppt(g/L)
Accuracy ±1%ofreadingor±1ppm(mg/L)whicheverisgreater
Calibration Basedonconductivityorsalinitycalibration

14
SALINITY
Range 0.00 to 70.00 PSU
Resolution 0.01 PSU
Accuracy ±2%ofreadingor±0.01PSUwhicheverisgreater
Calibration Basedonconductivitycalibration
SEAWATER SIGMA
Range 0.0 to 50.0 σt, σ0, σ15
Resolution 0.1 σt, σ0, σ15
Accuracy ± 1σt, σ0, σ15
Calibration Basedonconductivityorsalinitycalibration
TURBIDITY
Range 0.0 to 99.9 FNU;
100 to 1000 FNU
Resolution 0.1 FNU from 0.0 to 99.9 FNU
1 FNU from 100 to 1000 FNU
Accuracy ±0.3 FNU or ±2 % of reading,
whicheverisgreater
Calibration Automatic1,2or3pointsat0,20and200FNU,orcustom
ISE
Ammonium-Nitrogen
Range 0.02to200.0ppm Am (asNH4+-N)
Resolution 0.01ppmto1ppm
0.1ppmto200.0ppm
Accuracy ±5%ofreadingor2ppm
Calibration 1or2point,10ppmand100ppm
Chloride
Range 0.6to200.0ppmCl(as Cl-)
Resolution 0.01ppmto1ppm
0.1ppmto200.0ppm
Accuracy ±5%ofreadingor2ppm
Calibration 1or2point,10ppmand100ppm

15
Nitrate-Nitrogen
Range 0.62 to 200.0 ppm Ni (as NO3--N)
Resolution 0.01ppmto1ppm
0.1ppmto200ppm
Accuracy ±5%ofreadingor2ppm
Calibration 1or2point,10ppmand100ppm
ATMOSPHERIC PRESSURE
Range 450 to 850 mm Hg; 17.72 to 33.46 in Hg;
600.0 to 1133.2 mbar; 8.702 to 16.436 psi;
0.5921 to 1.1184 atm; 60.00 to 113.32 kPa
Resolution 0.1 mm Hg; 0.01 in Hg; 0.1 mbar
0.001 psi; 0.0001 atm; 0.01 kPa
Accuracy ±3mmHgwithin±15°Cfromcalibrationtemperature
Calibration Automaticat1custompoint
METER SPECIFICATIONS
TemperatureCompensation Automaticfrom-5to55°C(23to131°F)
Logging Memory 44,000records
(continuousloggingorlog-on-demandofallparameters)
Logging Interval 1secondto3hours
PC Interface USB(withHI929829software)
Waterproof Protection IP67
Environment 0 to 50 °C (32 to 122 °F); RH 100 %
BatteryType 4x1.2V,NiMH,rechargeablebatteries,sizeC
or4x1.5Valkaline,Csizebatteries
Battery Life Seebelow
Dimensions/Weight
221 x 115 x 55 mm (8.7 x 4.5 x 2.2”) / 750 g (26.5 oz.)
GPS 12channelreceiver
10 m (30 ft) accuracy

16
METER BATTERY LIFE
ThepowerconsumptionoftheHI 9829 multiparametersystemisdependent
onthreethings:
1. Themeasurementsystemconfiguration(probetype,sensorconfiguration)
2. Themeterconfiguration(logginginterval,GPSandbacklightuse)
3. Thebatterytype(alkalineorrechargeable).Note:Alkalinebatterieshave
twotimestheexpectedlife.
Thefollowingtableestimatesthemeter’sbatterylifeconnectedtoa
HI 76X9829 probewithbacklightoff. Theloggingintervalonlyaffectsmeter
batterylifewhenGPSPowersavemodeisused(unitswithGPS).(Note:GPS
andbacklightinguseconsumethemostpower).ThetablevariablesareGPS,
batteryselectionandparameterselection.Note:WhenaHI 7629829
loggingprobeisconnectedtoameter,itusesthemeter’spower.
pH, ORP, DO, EC enabled pH, ORP, DO, EC and
Turbidity disabled Turbidity enabled
Alkaline batteries 280hours 190hours
without GPS
Rechargeable batteries 140hours 95hours
without GPS
Alkaline batteries 90hours 70hours
with GPS
Rechargeable batteries 45hours 35hours
with GPS
Alkaline batteries with 110hours 100hours
GPS powersave on, 4 min log
Rechargeable batteries with 55hours 50hours
GPS powersave on 4, min log
Alkaline batteries with 180hours 160hours
GPS powersave on, 10 min log
Rechargeable batteries with 90hours 80hours
GPS powersave on 10, min log

17
3.2 PROBE SPECIFICATIONS
Non-logging Probe Logging Probe
Sample Environment Fresh,brackish,seawater
Waterproof protection IP68
Computer Interface NA USB PC (HI 76982910)
Internal Battery Type NA 4X 1.5V Size AAAlkaline
Typical Battery Life NA Seebelow
Memory NA 140,000measurements
(singleparameterlogged)
35,000measurements
(allparameterslogged)
Operating Temperature -5 to 55° C *
Storage Temperature -20 to 70° C
Maximum Depth 20 m (66 ft.) *
Dimensions HI 7609829 342mm (13.5”), HI 7629829 442mm (17.4"),
(without cable) dia=46mm(1.8”) dia=46 mm (1.8")
HI 7619829 382 mm (15.1”), HI 7639829 482 mm (19.0"),
dia=46mm(1.8”) dia=46 mm (1.8")
Weight HI 7609829 570g (20.1 oz.) HI 7629829 775g (27.3 oz.)
(with batteries and sensors) HI 7619829 650g (22.9 oz.) HI 7639829 819g (28.9oz.)
Cable Specification Multistrand-multiconductorshieldedcablewithinternalstrength
memberratedfor68kg(150lb)intermittentuse
Wetted Materials Body: ABS
Threads: Nylon
Shield: ABS/316SS
Tempprobe: 316SS
O-rings: EPDM
*ReducedforISEsensors
LOGGING PROBE BATTERY LIFE
Interval All channels logging All channels logging
(no averaging) (10 sample averaging)
1 - 5 sec 72 hours 72 hours
1min 22days 11days
10 min 70days 65days

18
3.3 SENSOR SPECIFICATIONS
HI 7609829-0 HI 7609829-1 HI 7609829-2 HI 7609829-3
Description pH pH/ORP DissolvedOxygen EC
Measure Type
Primary Unit pH,mV(pH) pH,mV(pH/ORP) D.O.(%sat.&conc.) EC
Measure Range 0.00 to 13.00 pH 0.00 to 13.00 pH 0.0 to 500.0 % 0.0to200.0mS/cm
±600.0 mV ±600.0 mV 0.00 to 50.00 mg/L 0.0to 400mS/cm
±2000.0 mV (absolute)
Temperature Range -5to55°C -5to 55°C -5to55°C -5to55°C
Color Code Red Red White Blue
Materials Tip:glass(pH) Tip:glass(pH);Pt(ORP) Cat/An:Ag/Zn Stainlesssteelelectrodes
Junction:ceramic Junction:ceramic Membrane:HDPE AISI 316
Body:PEI Body:PEI Body:whitetopABS Body:ABS/EPOXY
Electrolyte:gel Electrolyte:gel CAP
Reference:double Reference:double
Maintenance HI 70300 HI 70300 HI 7042S none
Solution (storagesolution) (storagesolution) (D.O.electrolyte)
Dimensions 118 x 15 mm 118 x 15 mm 99 x 17 mm 111 x 17 mm
Depth 20 m (65’) 20 m (65’) 20 m (65’) 20 m (65’)
HI 7609829-4 HI 7609829-10 HI 7609829-11 HI 7609829-12
Description EC/Turbidity AmmoniumISE ChlorideISE NitrateISE
Measure Type EC ppmppmppm
Primary Unit FTU
Measure Range 0to 200.0 mS/cm 0.02to200.0ppm 0.6to200.0 ppm 0.6to200.0ppm
0.0to400 mS/cm(abs) as NH4+-N Cl-asNO3--N
0.0 to 1000 FNU
Temperature Range-5to55°C 0to 40°C 0to 40°C 0 to40°C
Color Code Red Red Red
Materials Body:ABS/EPOXY Tip:Polymeric Tip:SolidState Tip:Polymeric
PMMA LiquidMembrane AgClPellet LiquidMembrane
Body:PEI Body:PEI Body:PEI
Electrolyte:gel Electrolyte:gel Electrolyte:gel
Reference:double Reference:double Reference:double
Maintenance none none none none
Solution
Dimensions 135 x 35 mm 118 x 15 mm 118 x 15 mm 118 x 15 mm
Depth 20 m (65’) 5 m ( 16‘) 5 m ( 16‘) 5 m ( 16‘)

19
Chapter 4 - PROBE INSTALLATION
HI 7609829 andHI 7629829 multisensorprobesareusedforthe mea-
surementsofpH,ORP,conductivity,turbidity,dissolvedoxygen,chloride,nitrate-
nitrogen,ammonium-nitrogenandtemperature.Eachprobecanutilize3sen-
sors.Adescriptionofeachsensorfollows.
4.1 SENSOR DESCRIPTIONS
HI 7609829-0 CombinationpHsensorfeaturesaglass
pHsensitivebulbandasilver/silverchloridedoublejunc-
tionreferencewithgelledelectrolyte.
HI 7609829-1 CombinationpH/ORPsensorfeaturesa
glasssensitivebulbforpHreadings,aplatinumsensorfor
redoxmeasurementsandasilver/silverchloridedoublejunc-
tionreferencewithgelledelectrolyte.
Note Seesection4.2.1forpHpreparation.
Seesection4.2.2forORPactivation.
HI 7609829-2 Galvanicdissolvedoxygen(D.O.)
sensor.Thethingaspermeablemembraneisolatesthe
sensorelementsfromthetestingsolutionbutallowsoxygen
topassthrough.Theoxygenthatpassesthroughthemem-
braneisreducedatthecathodeandcausesacurrent,from
whichtheoxygenconcentrationisdetermined.TheD.O.sen-
sorconformstoStandardMethods4500-AG,EPA360.1.
Note TheD.O.sensorneedstobeactivatedbefore
installation.Seesection4.2.3fordetails.
HI 7609829-3 4-electrodeconductivitysensor.Thesensor
isimmunetopolarizationorsurfacecoatings.
TheHI 7609829-4 CombinationEC/Turbiditysensor.It
includesa4-electrodeconductivitysensorandaturbidity
sensorthat conformstoISO 7027standardsin asingle
sensorbody.Theturbiditysensorusesanopticaltechnique
tomeasuresuspendedparticlesinwater.

20
HI 7609829-10:Ammoniumselectiveelectrode(ISE)isa
combinationliquidmembranesensorusedforthedetec-
tionoffreeammonium-nitrogeninfreshwatersamples.The
sensorutilizesapolymericmembranemadewithammo-
niumionophoreinaPVCheadandsilver/silverchloride
doublejunctiongelfilledreferenceelectrode.Thissensoris
usedinplaceofthepHsensorintheprobe.
HI 7609829-11:TheChlorideISEisacombinationsolidstatesensorusedfor
thedetectionoffreechlorideionsinfreshwatersamples.Thesensorutilizesa
silverchloridepellethousedinaPEIheadandasilver/silverchloridedouble
junctiongelfilledreferenceelectrode.ThissensorisusedinplaceofthepH
sensorintheprobe.
HI 7609829-12: TheNitrateISEisacombinationliquidmembranesensor
usedforthedetectionofnitratenitrogeninfreshwatersamples.Thesensoruti-
lizesapolymericmembranemadewithnitrateionophoreinaPVCheadanda
silver/silverchloridedoublejunctiongelfilledreferenceelectrode.Thissensoris
usedinplaceofthepHsensorintheprobe.
SeeAppendixCfordetailsregardingtheISEsensors.