Maintenance Schedule | Hach 6120118 specs

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

Contents

Digital PC sc and RC sc ¾-inch Combination pH/ORP Sensor Page Table of Contents Table of Contents Specifications Combination pH and ORP Sensor SpecificationsDigital Gateway Specifications Page Precautionary Labels Safety InformationGeneral Information Use of Hazard Information General Sensor Information General InformationSensor Body Styles Digital Gateway Operating PrecautionPage Wiring the sc Sensor to the Digital Gateway Section Installation Proper Wire Preparation and Insertion Installation Wiring the Digital Gateway Cat. No Hard-wiring the Digital Gateway to the sc100 Terminal Number Terminal Designation Wire Color Wiring the Sensor at Terminal Block J5 Connecting the Sensor using the Quick-connect Fittings Connecting the Sensor to the sc1000 Mounting the Digital Gateway Digital Gateway DimensionsPage Controller Key Functions/Features Using the sc100 ControllerUser Interface and Navigation Number Key Function User Interface and Navigation Controller Display Features Important Key PressesDisplay Using the sc1000 Controller Display FeaturesUser Interface and Navigation Main Menu Navigating the Menu Windows Keypad Message window List Box Sensor Diagnostics Menu for pH and ORP Sensor SetupPH Sensor Setup Menu Operation Operation Configure AC Frequency ORP Sensor Setup Menu PH Calibration One Point Automatic CalibrationTwo Point Automatic Calibration Two Point Manual Calibration Operation One Point Manual Calibration ORP Calibration Concurrent Calibration of Two Sensors for pH and ORPOne-point Manual Calibration Adjusting the Temperature Page Maintenance Schedule Maintenance Maintenance Cleaning the Sensor Error Codes TroubleshootingTroubleshooting the pH or ORP Sensor Error CodesPage Replacement Items, Accessories, and Reagent and Standards Replacement Parts and AccessoriesItem Description Catalog NumberPage Technical and Customer Service U.S.A. only How to OrderA. Customers Information Required Canada Repair Service Limited Warranty LimitationsLimitation of Remedies Page Compliance Information Product SafetyImmunity Emissions Compliance Information FCC Part 15, Class a Limits Appendix a Modbus Register Information Sensor Modbus RegistersGroup Name Tag Name Register Data Length Description Type Modbus Register Information Appendix B General pH Information PH Measurement TheoryWhere General pH Information PID Controller Basics Derivative IntegralPage Index