Hach 3650 manual Operating Information, Operating Controls

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3650 Portable O2 Analyzer - Operating Information	13 of 50

2 Operating Information

2.1 Operating Controls

The front panel of the instrument has a three-digit liquid crystal display (LCD). The LCD includes a right-side marker to distinguish between gas concentration and temperature display. This marker also indicates the measurement display units (ppm, ppb, or %) depending on the instrument model. To the LCD's right is a label showing the measurement units configured at the factory for your application.

Fig 2-1: Instrument Front Panel

In addition to the controls indicated on the front panel, there is also a pressure relief valve switch on top of the instrument (as indicated in Fig 1-1 on page 7) to enable atmospheric pressure equilibrium for sensor calibration, or for measurements in gaseous samples in % units.

The panel keyboard has the following push-button controls:

Power switch. Turns instrument power on or off. The instrument starts in measurement mode

Places the instrument in measurement mode

Calibrates the analyzer against a reference sample. This button can be locked out from the WinLog97 PC program

Operator Manual

ORBISPHERE

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Contents

Operator Manual Page Product Recycling Information Orbisphere Following only applies to European customers Product DisposalMarking Restriction of Hazardous SubstancesTable of Contents Part Lists Accessories and Attachments Maintenance and TroubleshootingSpecifications CalibrationsRevision History Safety Conventions Safety PrecautionsManual Overview About this ManualService and Repairs Safety RecommendationsAcknowledgements Precautionary LabelsOrbisphere Installation Flow Chamber Installation Sensor InstallationConnections WinLog97 PC Program InstallationExternal Power optional Sample Tube Adapter optionalInstrument PC Connection Electrochemical Sensor Installation Completion Check ListInstrument Clock Setting BatteriesFlow Chamber Storage When not UsedOperating Controls Operating InformationOperating Information 3650 Portable O2 Analyzer Preconditioning Sensor Taking MeasurementsAutomatic Data Acquisition Storing Measurements In the InstrumentManual Data Acquisition Viewing Stored Measurements Storing and Accessing Measurements From the PCDownloading Stored Values Copying Values Altering the Sampling Point DescriptionsPrinting Values Saving ValuesClearing Stored Values Timebase Updating Rate Maximum Samples 10 divisions Monitoring Measurements In Real-TimeOrbisphere Main Menu Basics Options SetupWinlog97 Export Menu O2 Analyzer PC Connection Reviewing Instrument ConfigurationAutomatic Data Acquisition Setting Sampling Intervals Configuring the InstrumentMembrane Selection Select from the PC Selecting Type of CalibrationSensor Calibration Range Checking Locking Out the Instrument’s CAL ButtonEntering a Span Gas Value Change from the PC Dual Use model 3650/113 onlyOrbisphere Pressure Calibration CalibrationsCalibration In a Span Gas Sensor CalibrationCalibration In Line Calibration In Air Calibration Range CheckingAccessories and Attachments Accessories and Attachments 3650 Portable O2 Analyzer Sensor Maintenance and TroubleshootingMaintenance Instrument BatteriesSerial Test TroubleshootingKeyboard Test Display Test Clock SettingsMeasurements View Analog Voltages ViewInstrument Display Options SpecificationsSystem Specifications General Technical DataTheory of Operation Part Lists AccessoriesInstrument Spare Parts Common Units Appendix a GlossaryTerms and Definitions Glossary 3650 Portable O2 Analyzer Tables and Illustrations AnnexAnnex 3650 Portable O2 Analyzer User Notes

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