EXO User Manual - YSI

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USER MANUALITEM# 603789REFREVISION KEXO User ManualADVANCED WATER QUALITY MONITORING PLATFORM

TMThe information contained in this manual is subject to change without notice.Effort has been made to make the information in this manual complete, accurate, and current.The manufacturer shall not be held responsible for errors or omissions in this manual.Consult YSI.com/EXO for the most up-to-date version of this manual.THIS IS AN INTERACTIVE DOCUMENTWhen viewing this document as an AdobeTM PDF, hovering yourcursor over certain phrases will bring up the finger-point icon. Clickingelements of the Table of Contents, website URLs, or references to certainsections will take you automatically to those locations.Product ComponentsCarefully unpack the instrument and accessories and inspect for damage. If any parts or materials are damaged, contact YSICustomer Service at 800-897-4151 ( 1 937 767-7241) or the authorized YSI distributor from whom the instrument was purchased.Technical SupportTelephone: 800 897 4151 (USA), 1 937 767 7241 (Globally)Monday through Friday, 8:00 AM to 5:00 ETFax: 1 937 767 9353 (orders)Email: info@ysi.comYSI.comSafety InformationPlease read this entire manual before unpacking, setting up or operating this equipment. Pay attention to all precautionarystatements. Failure to do so could result in serious injury to the operator or damage to the equipment. Make sure that the protectionprovided by this equipment is not impaired. Do not use or install this equipment in any manner other than that specified in thismanual.Precautionary SymbolsNOTE: Information that requires special emphasisNOTICE: Indicates a situation which, if not avoided, may cause damage to the instrumentACAUTION: Indicates a potentially hazardous situation that may result in minor or moderate injuryAWARNING: Indicates a potentially hazardous situation which could result in death or serious injury2

TABLE OF CONTENTS4.17ISEs: Ammonium, Nitrate, & Chloride Calibration1.1EXO1 Sonde Overview4.18NitraLED UV Nitrate Overview1.2EXO2 Sonde Overview4.19NitraLED Calibration and Correction1.3EXO2S Sonde Overview4.20pH and ORP Sensor Overview1.4EXO3 Sonde Overview4.21pH Calibration1.5EXO Field Cables Overview4.22ORP Calibration1.6EXO Handheld Overview4.23Rhodamine Sensor Overview1.7EXO GO Overview4.24Rhodamine Calibration4.25Total Algae Sensor Overview2. Operation4.26Total Algae Calibration2.1Sonde Install / Replace EXO1 Batteries4.27Turbidity Sensor Overview2.2Sonde Install / Replace EXO2 and EXO3 Batteries4.28Turbidity Calibration2.3Install / Remove Guard or Cal. Cup4.29Total Suspended Solids Calculation2.4Install / Remove Sensors2.5Sonde States and LED Descriptions2.6Connection Methods Overview5.1Sonde Storage2.7Awaken Sonde, Activate Bluetooth5.2Sonde Maintenance2.8Connect Sonde, Bluetooth5.3Replace EXO1 Sonde Bail2.9Connect Sonde, SDI-12 - EXO3 Only5.4Replace EXO2 and EXO3 Sonde Bail2.10Communication Adapters Overview5.5Depth and Level Sensor Maintenance and Storage2.11Communication Adapters, USB5.6Standard Optical Sensors Maintenance and Storage2.12Communication Adapters, DCP5.7C/T Sensor Maintenance and Storage2.13Communication Adapter, RS-2325.8Dissolved Oxygen Sensor Storage2.14Communication Adapters, SDI-125.9Dissolved Oxygen Sensor Maintenance and Rehydration2.15Communication Adapters, Modbus5.10Dissolved Oxygen Sensor Cap Replacement2.16Connect Sonde, Flow Cell5.11pH and pH/ORP Sensors Storage and Rehydration2.17Daisy Chaining, Sonde Expansion5.12pH and pH/ORP Sensors Maintenance2.18Sonde Clamping / Mooring, Long-Term Monitoring5.13ISE Sensors Maintenance and Storage5.14Sensor Module Replacement5.15EXO Central Wiper Maintenance and Storage1. EXO Platform Overview5. Maintenance3. KorEXO Software3.1Introduction5.16EXO Field Cable Maintenance and Storage3.2Installation5.17Connectors Maintenance and Storage3.3Instrument Connection Panel5.18Antifouling Equipment Maintenance3.4Home Screen5.19Flow Cell Maintenance3.5File Menu5.20Storage Cases, Packing Options3.6Calibration Screen3.7Deployment Screen3.8Live & Recorded Data6.1Vented Level Sonde Overview3.9Instruments and Sensors6.2Vented Level Sonde Installation6.3Vented Cables and Desiccants Installation6.4Calibration6.5Maintenance and Storage6. Vented Level Sonde4. Sensors and Calibration4.1Sensors Overview4.2Calibration Basic Overview4.3Calibration Report4.4SmartQC Overview4.5Conductivity / Temperature Sensor Overview4.6Conductivity / Temperature Calibration4.7Wiped Conductivity / Temperature Sensor Overview8.1Health and Safety, Chemicals4.8Wiped C / T Calibration and Deployment8.2Radio Frequency4.9Depth and Level Sensor Overview8.3Declarations of Conformity4.10Depth and Level Calibration8.4Instrument Warranty4.11Dissolved Oxygen Sensor Overview8.5Instrument Service, Cleaning and Packing4.12Dissolved Oxygen Calibration8.6Instrument Service, Recycling4.13fDOM Sensor Overview4.14fDOM Calibration Standards4.15fDOM Calibration4.16ISEs: Ammonium, Nitrate, & Chloride Overview7. Accessories7.1Ordering8. Health and Safety, Warranty, Service9. Appendices39.1EXO PAR User Manual9.2EXO Handheld Mini Manual

Section 1EXO Platform Overview4

1.1EXO1 SondeOverviewThe EXO1 sonde is a multiparameter instrument that collects water quality data. The sonde collects the data with up to four userreplaceable sensors and an integral pressure transducer. Each sensor measures its parameter via a variety of electrochemical,optical, or physical detection methods. Each port accepts any EXO sensor and automatically recognizes its type. Depending uponuser-defined settings, the EXO1 will collect data and store it onboard the sonde, transfer the data to a data collection platform(DCP), or relay data directly to a user’s PC or the EXO Handheld. See Section 6 for information specific to vented level sondes.Users communicate with the sonde via a field cable to an EXO Handheld, Bluetooth wireless connection to a PC or EXO ClassicHandheld, or a USB connection (via communications adapter) to a PC.SpecificationsOperatingEnvironmentDepth RatingEXO1 Bulkhead250 meters, 820 feet Material Xenoy , Lexan , titanium,316 stainless steelInternal Logging512 MBMemory CapacitySoftwareKorEXO SoftwareCommunicationsWireless: BluetoothSondeField Cable: RS-485AdaptersRS-232, Mod Bus,USB, SDI-12PowerExternalInternal9-16 VDC(2) D-cell batteriesTemperatureOperatingStorage-5 to 50 C-20 to 80 CBattery Life90 days*Universal Sensor PortsDimensionsDiameter4.70 cm,1.85 inLength64.77 cm, 25.50 inWeight w/ battery 1.42 kg, 3.15 lb*Battery life will depend on the type of sensorsand measurement frequency.5

EXO1 Sonde599501-xxRemovable Bail5994736-Pin Cable ConnectorUpper BatteryCompartment SealO-ring kit 599680Battery CompartmentBattery Cover599052Lower BatteryCompartment SealPressure TransducerOpeningRed LED Indicator - Sonde StatusBlue LED Indicator - BluetoothOn/Off Magnetic Switch forPower and BluetoothBulkheadSensorsPort Plug599475Calibration Cup599786Sensor Guard599666, 599563Guard Weight5994716

1.2EXO2 SondeOverviewThe EXO2 sonde is a multiparameter instrument that collects water quality data. The sonde collects the data with up to sevenuser-replaceable sensors and an integral pressure transducer. Each sensor measures its parameter via a variety of electrochemical,optical, or physical detection methods. Each port accepts any EXO sensor and automatically recognizes the type of sensor.Depending on user-defined settings, the EXO2 will collect data and store it onboard the sonde, transfer the data to a data collectionplatform (DCP), or relay it to a user’s PC or EXO Handheld via cable, USB connection, or Bluetooth connection.In addition to six standard sensor ports, the central port (port 7) can accept either a central wiper or an additional sensor. Theauxiliary port on top of the sonde will allow the user to connect the EXO2 to other EXO sondes, making this our most expandableand flexible sonde. See Section 6 for information specific to vented level sondes.Users communicate with the sonde via a field cable to an EXO Handheld, Bluetooth wireless connection to a PC or EXO ClassicHandheld, or a USB connection (via communications adapter) to a PC. See Section 2.6 for a communication overview.SpecificationsOperatingEnvironmentDepth RatingEXO2 Bulkhead250 meters, 820 feet Material Xenoy , Lexan , titanium,316 stainless steelInternal Logging512 MBMemory CapacitySoftwareKorEXO SoftwareCommunicationsWireless: BluetoothSondeField Cable: RS-485AdaptersRS-232, Mod Bus,USB, SDI-12PowerExternalInternal9-16 VDC(4) D-cell batteriesTemperatureOperatingStorage-5 to 50 C-20 to 80 CBattery Life90 days*Pressure TransducerOpeningsWiper/Sensor PortUniversal Sensor PortsDimensionsDiameter7.62 cm, 3.00 inLength71.1 cm, 28.00 inWeight w/ battery 3.60 kg, 7.90 lb*Battery life will depend on the type of sensorsand measurement frequency.7

EXO2 Sonde599502-xxRemovable Bail599474Auxiliary Port6-Pin Cable ConnectorBattery Cap/Pressure Relief ValveO-ring kit 599681Battery Compartment OpeningBattery CompartmentOn/Off Magnetic Switch forPower and BluetoothRed LED Indicator - Sonde StatusBlue LED Indicator - BluetoothBulkheadSensorsPort Plug599475Sensor Guard599667, 599564Calibration Cup599316Central Wiper599090-01Guard Weight5994728

1.3EXO2S SondeOverviewThe EXO2S sonde is compact, battery-less, factory-customized version of the EXO2 sonde for use where external power is available.One orders an EXO2S by first selecting the appropriate depth of an EXO2 sonde (599502-xx) and a conversion kit (119077) thatis used by our team to convert the EXO2 sonde into an EXO2S. The sonde supports up to seven user-replaceable sensors and anintegral pressure transducer. The EXO2S features the same logging and communication options as the standard EXO2; however,an external power source is required. Power can be supplied via a DCP, the EXO handheld or EXO GO. See Section 2.6 for acommunication overview.SpecificationsOperatingEnvironmentDepth RatingEXO2S Bulkhead250 meters, 820 feet Material Xenoy , Lexan , titanium,316 stainless steelInternal Logging512 MBMemory CapacitySoftwareKorEXO SoftwareCommunicationsWireless: BluetoothSondeField Cable: RS-485AdaptersPowerExternalRS-232, Mod Bus,USB, SDI-12Pressure TransducerOpenings9-16 VDCWiper/Sensor PortTemperatureOperatingStorage-5 to 50 C-20 to 80 CDimensionsDiameterLength7.62 cm, 3.00 in47.0 cm, 18.50 inUniversal Sensor Ports9

EXO2S Sonde599502-xx and 119077Removable BailAuxiliary Port6-Pin Cable ConnectorOn/Off Magnetic Switch forPower and BluetoothRed LED Indicator - Sonde StatusBlue LED Indicator - BluetoothBulkheadSensorsPort Plug599475Sensor Guard599667, 599564Calibration Cup599316Central Wiper599090-01Guard Weight59947210

EXO3 Sonde1.4OverviewThe EXO3 sonde is a multiparameter instrument that collects water quality data. The sonde collects the data with up to four userreplaceable sensors and an integral pressure transducer. The EXO3 also has a central port for an EXO wiper (or an additionalsensor). Each sensor measures its parameter via a variety of electrochemical, optical, or physical detection methods. Each portaccepts any EXO sensor and automatically recognizes the type of sensor. Depending on user-defined settings, the EXO3 will collectdata and store it onboard the sonde, transfer the data to a data collection platform (DCP), or relay it to a user’s PC or EXO Handheldvia cable, USB connection, or Bluetooth connection.Users communicate with the sonde via a field cable to an EXO Handheld, Bluetooth wireless connection to a PC or a USBconnection (via communications adapter) to a PC. See Section 2.6 for a communication overview.NOTE: The EXO3 Sonde includes integral SDI-12 communications for use with cables up to 100 meters in length. With EXO3,a 599820 Signal Output Adapter (SOA) is not necessarily required. See Section 2.9 for details.SpecificationsOperatingEnvironmentDepth RatingEXO3 Bulkhead250 meters, 820 feet Material Xenoy , Lexan , titanium,316 stainless steelInternal Logging512 MBMemory CapacitySoftwareKorEXO SoftwareCommunicationsWireless: BluetoothSondeField Cable: RS-485, SDI-12AdaptersRS-232, Mod Bus,USB, SDI-12PowerExternalInternal9-16 VDC(2) D-cell batteriesTemperatureOperatingStorage-5 to 50 C-20 to 80 CBattery Life60 days*Pressure TransducerOpeningsWiper/Sensor PortUniversal Sensor PortsDimensionsDiameter7.62 cm, 3.00 inLength58.67 cm, 23.1 inWeight w/ battery 2.0 kg, 4.41 lb*Battery life will depend on the type of sensorsand measurement frequency.11

EXO3 Sonde599503-xxRemovable Bail5994746-Pin Cable ConnectorBattery Cap/Pressure Relief ValveO-ring kit 599681Battery Compartment OpeningBattery CompartmentOn/Off Magnetic Switch forPower and BluetoothRed LED Indicator - Sonde StatusBlue LED Indicator – BluetoothBulkheadSensorsPort Plug599475Sensor Guard599667, 599564Calibration Cup599316Central Wiper599090-01Guard Weight59947212

1.5EXO Field CablesOverviewThe EXO rugged field cable comes in many different lengths and options to meet the needs of your specific application. Selectingthe correct cable length and coupler will ensure the best quality data for your project. For a full list of cable options and precautionsfor extended cables, please see Cable Options on the following page.Strain ReliefCarabiner (2)Rugged field cableSupports 60 pound.Male (black)wet-mate connectorFemale (white)wet-mate connectorConnects to HandheldConnects to SondeFlying Lead CableVented and Non-VentedA flying lead cable option is available which isintended for wiring to a data collection platform(DCP) or a data logger. A vented flying lead optionis for use with a vented sonde only.See Section 6 for more information.13

Cable Options599431-01EXO Cable Coupler, Titanium599040-250EXO 250 meter Field Cable599431-02EXO Cable Coupler, Brass599040-300EXO 300 meter Field Cable599040-2EXO 2 meter Field Cable599008-10EXO 10 meter Flying Lead Cable599040-4EXO 4 meter Field Cable599008-15EXO 15 meter Flying Lead Cable599040-10EXO 10 meter Field Cable599008-33EXO 33 meter Flying Lead Cable599040-15EXO 15 meter Field Cable599008-66EXO 66 meter Flying Lead Cable599040-33EXO 33 meter Field Cable599008-100EXO 100 meter Flying Lead Cable599040-66EXO 66 meter Field Cable599210-4EXO 4 meter VENTED Flying Lead Cable599040-100EXO 100 meter Field Cable599210-10EXO 10 meter VENTED Flying Lead Cable599040-150EXO 150 meter Field Cable599210-15EXO 15 meter VENTED Flying lead Cable599040-200EXO 200 meter Field Cable599210-33EXO 33 meter VENTED Flying Lead CableExtended Field Cables PrecautionThere are some limitations for applications using EXO cable lengths greater than 100 meters - whether by extendedcables, or by means of cable-coupling.NOTICE: To prevent system problems related to power and signal integrity, make sure you understand the systemlimitations if you plan to use cable couplers or extended cables.Voltage drop through long cables can adversely affect the available power at the sonde.Here are some techniques to prevent such problems: Use Alkaline or high-capacity NiMH batteries in the sonde. This serves a dual purpose of adding weightin the sonde for profiling applications, as well as preventing system reboots during period of highcurrent demand. Do not use EXO’s USB SOA or Handheld as the sole power source for systems with large payloads(many optical or high power sensors). These devices do not provide a voltage high enough for use withextended cables. Limit use of EXO’s auxiliary port to lower power devices. Power the sondes with a regulated power supply (12V-14V) capable of supplying 1A. This will ensuresufficient power is reaching the sonde.14

1.6EXO HandheldOverviewThe EXO Handheld is a rugged, microcomputer-based instrument that allows the user to display sonde readings, configuresondes, store and retrieve data, and transfer data from sondes to a computer. Equipped with GPS and an integrated barometer, theHandheld communicates via field cable or USB connector.The unit also utilizes an adjustable backlit screen for easy day or night viewing. The handheld features a built-in rechargeableLithium-Ion battery, integrated help menus, a simplified user interface, and a more ergonomic design than the Classic handheld.NOTE: For operating instructions, please see the EXO Handheld Mini-Manual.EXO HandheldSpecificationsGPSAccuracyYes2.5 m CEP(dependent on site conditions)DisplayIP-67 rated, Color-LCDgraphic displayMemory 100,000 data setsSoftwareKorEXO SoftwareCommunicationsField Cable, thium-Ion PackOperating TimeCharging Time 15 hours9 hours (from 0 to 100%)TemperatureOperating0 C to 50 CStorageTop ViewMicro USB Port(Charging / DataTransfer)Back View0 C to 60 C (no battery)0 C to 45 C (battery installed)BarometerRangeAccuracyResolution375 to 825 mmHg 1.5 mmHg from 0 to 50 C0.1 mmHgDimensionsWidthLengthDepthWeight w/ battery8.3 cm, 3.27 in21.6 cm, 8.5 in5.6 cm, 2.21 in0.57 kg, 1.25 lbHandstrapMount (2)TripodMountBuilt-in with User CalibrationBatteryCoverNOTE: Barometer ventlocated under battery cover.HandstrapMount (2)15

EXO HandheldTop-side MicroUSB Connector599960(Charging / Data Transfer)TMDaylight-viewableLCD ScreenHandstrapFunction Keys (4)EscapeBrightnessDirectionalArrow Keys (4)Enter / ReturnPower On / OffIntegratedHelp MenuTMWetmate CableConnector16

1.7EXO GOOverviewThe EXO GO is a compact, rugged device that enables Bluetooth communication between a submerged EXO sonde and a devicerunning KorEXO Software. The EXO GO remains topside while connected to a sonde via the field cable. Pair with a tablet or laptoprunning KorEXO to form a complete sampling system.With an integral barometer and GPS, the EXO GO provides barometric pressure and location data in addition to the connectedsonde data. The built-in, rechargeable Lithium-Ion battery will power an EXO Sonde for a full day of sampling. LED indicatorsrepresent battery level, charge status, and Bluetooth status, as shown in the diagram below.NOTE: EXO GO is not compatible with earlier versions of KorEXO Software (prior to 2.0).LED DescriptionsBLUE LED - Bluetooth statusSolid: On, not linkedBlinking: On, linkedGREEN LED - 100 to 50% chargeYELLOW LED - 50 to 25% chargeRED LED - less than 25% chargeSolid: On, not chargingBlinking: On, chargingSpecificationsCommunicationsBluetooth, USB PSAccuracyClass 210 mBuilt-in with User Calibration375 to 825 mmHg 1.5 mmHg0.1 mmHgBatteryOperating TimeCharge TimeEnclosureRatingRechargeable Lithium-Ion 15 hours (powering full EXO3)9 hours (from 0 to 100%)XenoyIP-67TemperatureOperatingStorage-5 to 50 C0 to 45 CDimensionsWidthLengthDepthWeight5.2 cm17.4 cm3.5 cm240 g172.5 m CEP(dependent on site conditions)

EXO GO577400Wet-Mate ConnectorBailBarometerBackBottomPower ButtonMicro USBConnectorBattery LevelFrontProtective CapCommunicationStatus18

Section 2Operation19

2.1SondeInstall / Replace EXO1 BatteriesEXO1 water quality sondes use two (2) D-cell batteries as a power source. Using alkaline batteries, users can expect approximately90 days of deployment from a fully loaded sonde that samples once every 15 minutes. However, deployment times may vary greatlydepending on water temperature, sampling rate, sensor payload, and brand of battery.See Battery Life Specification on the next page.NOTICE: Do not use Ni-Cad or 3.6V Lithium batteries in the EXO1 sonde.1 Remove battery coverStart with a clean and dry sonde. Hold the sonde horizontally with the bail up andtwist the battery cover counterclockwise until free. If necessary, slide the sonde tool’slarger opening over the end of the battery compartment and use it as a lever to breakthe compartment free. Then slide off the battery cover.NOTICE:Do not remove the screws on the sonde.Do not clamp the sonde in a vise.2 Remove old batteriesExpose the batteries by flipping the isolation flap up away from the batteries, andpull the batteries free of their compartment. Always dispose of used alkaline batteriesaccording to local requirements and regulations.Clean the inside of the battery compartment with a lint-free cloth.3 Install new batteriesInstall the new batteries so that the positive terminals point towards the bail (awayfrom the sensor bulkhead). Replace the isolation flap over the batteries.NOTICE:Do not use Ni-Cad or 3.6V Lithium batteries in the sondes.Damage to the circuit board is not covered under warranty.20

4 Check and service o-ringsNOTE: Before replacing the battery cover, check and service the four o-rings.Ensure that the o-rings are not nicked or torn and that there are no contaminants orparticles on them or the sealing surfaces inside the battery cover. Clean the o-ringswith a lint-free cloth. Then apply a thin coat of Krytox lubricant to each o-ring.EXO1 replacement o-ring kits are available, part #599680.5 Replace battery coverTwist the battery cover clockwise until it stops at the rubber gasket. The gasket doesnot provide a seal and does not need to be compressed.NOTICE: Do not overtighten; overtightening will not create a strong seal and maydamage the sonde.The EXO1 sonde has a resealing pressure relief valve; no maintenance is required.If a battery failure occurs that results in battery acid leakage into the batterycompartment, the sonde must be returned to a service center for evaluation.Battery Life Specification (Example)When using alkaline batteries: Estimated battery life is approximately 90 days forEXO1 at 20 C at a 15-minute logging interval, with temperature/conductivity, pH/ORP, Optical DO, and turbidity sensors installed. Battery life is heavily dependenton sensor configuration and is given for a typical sensor ensemble. Battery life isreduced in cold-water applications.When using rechargeable nickel metal hydride (NiMH) batteries: Estimatedbattery life is not available because NiMH batteries vary greatly in manufacturercapacity and discharge curves. We recommend a NiMH D-cell battery with aminimum rating of 10,000 milliamp hours that is fully charged each time it is used.21

2.2SondeInstall / Replace EXO2 and EXO3 BatteriesEXO2 sondes use four (4) D-cell batteries as a power source. Using alkaline batteries, users can expect approximately 90 days ofdeployment from a fully loaded sonde that samples once every 15 minutes. However, deployment times may vary greatly dependingon water temperature, sampling rate, sensor payload, wiper frequency, and brand of battery.See Battery Life Specification on the next page.EXO3 sondes use two (2) D-cell batteries as a power source and can expect 60 days of deployment with an average sensor payloadwhile sampling once every 15 minutes.NOTICE: Do not use Ni-Cad or 3.6V Lithium batteries in the EXO sondes.Pressure in Battery CompartmentThe EXO2 and EXO3 sondes are equipped with a pressure relief valve to protect against catastrophic battery failure. If the valveis open (indicating an over-pressure situation), the battery cap must be replaced. Significant water leakage into the batterycompartment requires that your instrument be evaluated by the manufacturer or Authorized Service Center before the nextdeployment.AWARNING: Do not paint over or cover the pressure release valve in any way.Blocking the pressure release valve can lead to dangerously high internal pressure.wrenchEXO2 top1 Loosen battery capStart with a clean and dry sonde. Slide the sonde tool’s smaller opening over thebattery cap on top of the EXO2 or EXO3. Using the tool as a lever, firmly turn thetool counterclockwise until the battery cap is loose.2 Remove battery cap and old batteriesOnce the cap is sufficiently loose, remove the cap and old batteries from the well.Always dispose of used alkaline batteries according to local requirements andregulations.Clean the o-ring sealing surfaces of the cap with a lint-free cloth.Inspect down into the battery tube to make sure it is clean and dry.22

3 Insert new batteries With the positive terminal facing up, insert four (4) new D-cell batteries into thebattery well for EXO2 sondes, or two (2) new D-cell batteries for EXO3 sondes.–NOTICE:Do not use Ni-Cad or 3.6V Lithium batteries in the sondes.Damage to the circuit board is not covered under warranty.4 Check and service o-ringsNOTE: Before replacing the battery cover, inspect and service the four o-rings.Ensure that the o-rings are not nicked or torn and that there are nocontaminants or particles on the o-rings or the sealing surfaces inside thebattery cover. Then apply a thin coat of Krytox lubricant to each o-ring andsealing surface.EXO2 replacement o-ring kits are available, part #599681.5 Replace battery capAfter servicing the cap’s o-rings, insert the cap in its recess. Then, using yourthumb, press down on the pressure relief valve while turning the cap clockwise.Once the cap threads are engaged, use the tool to tighten until snug.NOTICE: Do not overtighten; overtightening will not create a strong seal andmay damage the sonde. When completed, the top o-ring of the cap must bebelow the battery compartment opening.If a battery failure occurs that results in battery acid leakage into the batterycompartment, the sonde must be returned to a service center for evaluation.Some battery acid will damage the plastic in the battery compartment.Battery Life Specification (Example)When using alkaline batteries: Estimated battery life is approximately 90 days for EXO2, and 60 days for EXO3, at 20 C with a15-minute logging interval, with temperature/conductivity, pH/ORP, Optical DO, turbidity, and Total Algae-PC sensors installedalong with a central wiper which rotates once every logging interval. Battery life is heavily dependent on sensor configuration andis given for a typical sensor ensemble. Battery life is reduced in cold-water applications.When using rechargeable nickel metal hydride (NiMH) batteries: Estimated battery life is not available because NiMHbatteries vary greatly in manufacturer capacity and discharge curves. We recommend a NiMH D-cell battery with a minimumrating of 10,000 milliamp hours that is fully charged each time it is used.23

2.3 Install / Remove Guard or Cal. CupSensor guards protect EXO sensors from impact throughout deployment. Users must install the guard prior to data collection. Thecalibration cup (cal cup) is used for storage and calibration.NOTE: We recommend using two guards: one for field deployments and a second used exclusively for calibrations. Using asecond guard will minimize calibration solution contamination (especially for turbidity). EXO calibration cups install over aninstalled sensor guard. This configuration reduces the amount of standards required for calibration and protects the sensorsduring calibration.1 Install/remove sensor guardInstall guard by threading it onto the sonde bulkhead threads. Rotate the guardclockwise on the bulkhead to install, taking care not to pinch your fingers. Rotateit counterclockwise to remove. Always use one guard for deployment/storageand a second guard for calibration only.Additional EXO sensor guards can be purchased:EXO1 Guard Assembly Kit, part #599666EXO2/3 Guard Assembly Kit, part #599667NOTICE: Take care not to let the guard damage unguarded pH or pH/ORPsensors when installing and removing.2 Install/remove calibration cupBefore installation, loosen (but do not remove) the cup’s clamping ring. Then,with the sonde guard already installed, slide the cal cup over the guard until thebottom of the guard rests against the bottom of the cal cup. Tighten the ring untilsnug. To remove the cal cup, loosen the ring by 1/4 turn and pull the guard freefrom the cup.Additional EXO calibration cups can be purchased:EXO1 Calibration / Storage cup, part #599786EXO2/3 Calibration / Storage cup, part #59931624

2.4 Install / Remove SensorsEXO sensors have identical connectors and identify themselves via onboard firmware; therefore, users can install any probe intoany universal sonde port. The exception is the wiper for the EXO2 and EXO3 sondes, which must be installed in the central port 7.Individual ports are physically identified by an engraved number on the sonde bulkhead. Although the probes are wet-mateable,users should clean, lubricate, and dry the sonde and sensor connectors prior to installation or service.NOTE: The data displayed on the Handheld / Desktop KorEXO, and the order of the exported data will be in the same order thatthe sensors are installed (e.g. a turbidity sensor in port 1 will display turbidity values first. The sensor in port 2, second, and so on).1 Remove probe or port plugRemove the calibration cup and sensor guard from the sonde. Place the sonde ona clean, flat surface and prevent it from rolling.If removing a sensor or port plug, use the probe tool in the locking nut and rotatecounterclockwise to loosen. Pull the probe straight out of the port and place on aclean surface. Wipe dry with a clean, lint-free cloth.2 Clean port and install sensorVisually inspect the port for contamination. If the port is dirty or wet, clean it witha clean, lint-free cloth or compressed air. Apply a light coat of Krytox grease tothe rubber mating surfaces of the connector (not the o-ring) and a small dab ofKrytox grease on the threads of the locking nut.If the sensor is new or being taken out of storage remove any hydration caps orbuffer bottles on the probe. Insert the sensor into the port by properly aligningthe connectors’ pins and sleeves (male and female contacts); then press themfirmly together.3 Tighten locking nutTaking care not to cross-thread the grooves, finger-tighten the locking nutclockwise. When the nut and o-ring are seated against the bulkhead, tightenthe nut with probe tool 1/4 turn until snug. Once sensors or plugs are installed,reinstall the sensor guard to protect sensors from impact damage.NOTICE: Take care not to twist the probe body when tightening and looseningthe locking nut. Excessive twisting of the probe can damage the connector and isnot

3 TABLE OF CONTENTS 1. EXO Platform Overview 1.1 EXO1 Sonde Overview 1.2 EXO2 Sonde Overview 1.3 EXO2S Sonde Overview 1.4 EXO3 Sonde Overview 1.5 EXO Field Cables Overview 1.6 EXO Handheld Overview 1.7 EXO GO Overview 2. Operation 2.1 Sonde Install / Replace EXO1 Batteries 2.2 Sonde Install / Replace EXO2 and EXO3 Batteries 2.3 Install / Remove Guard or Cal. Cup 2.4

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Introduction to MYOB Exo PC Clock MYOB Exo PC Clock is a PC-based version of our timeclock, designed for use with the MYOB Exo Time and Attendance system. Usually Exo Time and Attendance gets its data from wall-mounted clocks or from datapens, but Exo PC Clock allows the gathering of attendance and/or job costing

Nov 25, 2020 · Operating System Recommended Supported Deprecated Incompatible Ubuntu 18.04 LTS 16.04 LTS and below . Assumes eXo Platform is a SP Web Browsers Web Browser Recommended Supported Deprecated Incompatible Windows Edge 84 . 1.0 eXo Platform 4.3 eXo Platf

C4 -exo C4 -endo C1 -exo C3 -exo C2 -endo C4 -endo O4 -exo C1 -endo C2 -exo C3 -endo S N T 3E 3T 4 4 E 0 4 0E 0T 1 1E 2T 2T 2E 1 3 3E 4T 3 4E 4T 0 0E 1T 0 1 1 2 2E T 3 2 FIGURE 3.7 Diagram showing the correlation between the phase angle Pand the ribose con-formation. Conformational angles of Pare divided into two categories, north (N) and south .

S-4-22 ASTM E 1698: 1995-00-00 Standard Practice for Testing Electrolytic Conductivity Detectors (ELCD) Used in Gas Chromatography / Note: Reapproved 2000 S-4-23 ISO 2718: 1974-04-00 Standard layout for a method of chemical analysis by gas chromatography S-4-24 JIS K 0114: 2000-07-20 General rules for gas chromatographic analysis S-4-25 JIS K 0115: 1992-02-01 General rules for molecular .