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Hach 6120118 user manual Maintenance Schedule, Danger

Models: 6120118

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Section 6 Maintenance

Section 6 Maintenance

DANGER

Only qualified personnel should conduct the tasks described in this section of the manual.

DANGER

Seul un technicien qualifié peut effectuer les tâches d'installation décrites dans cette section du manuel.

DANGER

Explosion hazard. Do not connect or disconnect equipment unless power has been switched off or the area is known to be non-hazardous.

DANGER

Risque d’explosion. Couper le courant ou s’assurer que l’emplacement est designe non dangereux avant de replacer le aucon composant.

DANGER

Explosion hazard. Substitution of components may impair suitability for Class 1, Division 2.

DANGER

Risque d’explosion. La substitution de composants peut rendre ce materiel inacceptable pour les emplacements de Classe 1, Division 2.

6.1 Maintenance Schedule

Maintenance Task	90 days	Annually

Clean the sensor1	x
Inspect sensor for damage	x

Calibrate Sensor (if required by regulatory agency)	Per the schedule mandated by your regulatory agency.

1Cleaning frequency is application dependent. More or less frequent cleaning will be appropriate in some applications.

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Hach 6120118 user manual Maintenance Schedule, Danger

Contents

Digital PC sc and RC sc ¾-inch Combination pH/ORP Sensor USER MANUAL October 2005, EditionCatalog Number Page Table of Contents 7.3 Troubleshooting the pH or ORP Sensor Table of ContentsSection 8 Replacement Parts and Accessories 8.1 Replacement Items, Accessories, and Reagent and StandardsTable 1 Combination pH and ORP Sensor Specifications Section 1 SpecificationsTable 2 Digital Gateway Specifications See Figure 1 on page 8 through Figure 4 on pagePage 2.1.2 Precautionary Labels 2.1 Safety InformationSection 2 General Information 2.1.1 Use of Hazard InformationGeneral Information 2.2 General Sensor Information2.2.1 Sensor Body Styles Figure 1 Convertible Style Sensor with Flat Electrode2.3 The Digital Gateway 2.4 Operating PrecautionGeneral Information Figure 3 Insertion Style Sensor with Domed ElectrodePage 3.1 Wiring the sc Sensor to the Digital Gateway InstallationSection DANGERInstallation Figure 5 Proper Wire Preparation and InsertionFigure 6 Wiring and Assembling the Digital Gateway Installation 3.2 Connecting/Wiring the Digital Gateway to the sc100 ControllerTable 3 Wiring the Digital Gateway Cat. No DANGERInstallation 3.2.1.2 Hard-wiring the Digital Gateway to the sc100Table 4 Wiring the Sensor at Terminal Block J5 InstallationFigure 8 Hard-wiring the Digital Gateway Disconnect Power3.3.1 Connecting the Sensor using the Quick-connect Fittings 3.3 Connecting the Sensor to the sc1000Installation Figure 9 Installing the Connector Safety LockInstallation 3.4 Mounting the Digital GatewayFigure 10 Digital Gateway Dimensions Figure 11 Mounting the Digital GatewayPage Section 4 User Interface and Navigation 4.1 Using the sc100 ControllerTable 5 Controller Key Functions/Features Figure 12 Front of the Controller4.1.2 Important Key Presses User Interface and Navigation 4.1.1 Controller Display Features2 7.00 pH 7.00 pH4.2.1 Display Features 4.2 Using the sc1000 Controller4.2.1.1 Using the Pop-up Toolbar 4.2.1.2 Using the Menu WindowsUser Interface and Navigation 4.2.1.3 Navigating the Menu WindowsUser Interface and Navigation Figure 16 Changing a Menu ItemKeypad User Interface and Navigation COMMUNICATION ERRORList Box Figure 19 Message window5.3 Sensor Diagnostics Menu for pH and ORP 5.1 Sensor Setup5.4 pH Sensor Setup Menu Section 5 OperationOperation 5.4 pH Sensor Setup Menu continued5.5 ORP Sensor Setup Menu OperationSELECT SENSOR if more than one sensor is attached 5.6.1 One Point Automatic Calibration 5.6 pH Calibration5.6.2 Two Point Automatic Calibration Operation5.6.4 Two Point Manual Calibration Operation 5.6.3 One Point Manual Calibration5.8 Concurrent Calibration of Two Sensors for pH and ORP 5.7 ORP Calibration5.7.1 One-point Manual Calibration OperationOperation 5.9 Adjusting the TemperaturePage 6.1 Maintenance Schedule Section 6 MaintenanceDANGER DANGERMaintenance 6.2 Cleaning the Sensor7.1 Error Codes Section 7 Troubleshooting7.3 Troubleshooting the pH or ORP Sensor 7.2 WarningsPage 8.1 Replacement Items, Accessories, and Reagent and Standards Section 8 Replacement Parts and AccessoriesPage Technical and Customer Service U.S.A. only Section 9 How to OrderU.S.A. Customers Information RequiredIn the United States Section 10 Repair ServiceIn Canada In Latin America, the Caribbean, the Far EastSection 11 Limited Warranty LimitationsLimitation of Remedies Page Section 12 Compliance Information Product SafetyImmunity EmissionsCanadian Interference-causing Equipment Regulation, IECS-003, Class A FCC PART 15, Class “A” LimitsCompliance Information Table 8 Sensor Modbus Registers Appendix A Modbus Register InformationTable 8 Sensor Modbus Registers Modbus Register InformationAppendix B General pH Information B.1 pH Measurement Theorywhere General pH Information B.2 PID Controller BasicsPhase ModeGeneral pH Information IntegralDerivative Page Index