Hach 6120118 Manuel d'utilisateur

Catalog Number 6120118Digital PC sc and RC sc ¾-inchCombination pH/ORP SensorUSER MANUALOctober 2005, Edition 4©Hach Company, 2004–2005. All rights r

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11Section 3 Installation DANGEROnly qualified personnel should conduct the tasks described in this section of the manual.DANGERSeul un technicien qual

12InstallationFigure 5 Proper Wire Preparation and InsertionFigure 6 Wiring and Assembling the Digital Gateway1. Strip ¼-inch of insulation. 2. Seat i

13Installation3.2 Connecting/Wiring the Digital Gateway to the sc100 ControllerDANGERThe sc100 and certain versions of the sensor are suitable for use

14InstallationFigure 7 Attaching the Digital Gateway using the Quick-connect Fittings3.2.1.2 Hard-wiring the Digital Gateway to the sc100Important Not

15InstallationFigure 8 Hard-wiring the Digital Gateway3.2.2 Connecting the Digital Gateway to a sc100 Controller in a Hazardous LocationDANGERThe sc10

16Installation3.2.2.1 Attaching the Digital Gateway with a Quick-Connect Fitting in a Hazardous LocationThe digital gateway is supplied with a keyed q

17Installation3.4 Mounting the Digital GatewayThe digital gateway is supplied with a mounting clip for mounting to a wall or other flat surface. See F

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19Section 4 User Interface and Navigation4.1 Using the sc100 ControllerThe front of the controller is shown in Figure 12. The keypad consists of the e

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20User Interface and Navigation4.1.1 Controller Display FeaturesWhen a sensor is connected and the controller is in measurement mode, the controller a

21User Interface and Navigation4.2 Using the sc1000 ControllerThe sc1000 is a touch screen application. Use your finger to touch keys and menu command

22User Interface and NavigationFigure 15 Main Menu4.2.1.3 Navigating the Menu WindowsTo view a menu item, touch the menu item or use the UP and DOWN k

23User Interface and NavigationFigure 16 Changing a Menu ItemFigure 17 Keypad1. Display Area 5. HOME–changes to the display of measured values.2.BACK

24User Interface and NavigationFigure 18 List Box Figure 19 Message window1. Scrolls up or down2.CANCEL–cancels and entry.3.ENTER–confirms a selection

25Section 5 Operation5.1 Sensor SetupWhen a sensor is initially installed, the serial number of the Digital Gateway will be displayed as the sensor na

26OperationCONFIGURE (continued)REJECT FREQChoose 50 or 60 Hz depending on the power line frequency for optimal noise rejection. Default is 60 Hz.FILT

27Operation5.5 ORP Sensor Setup MenuSELECT SENSOR (if more than one sensor is attached)CALIBRATE (Main Menu Item)1 POINT MANUAL Calibration against a

28Operation5.6 pH CalibrationThe manufacturer offers one and two point automatic and manual calibrations for pH. An automatic calibration identifies t

29Operation5.6.3 One Point Manual Calibration1. From the Main Menu, select SENSOR SETUP and confirm. 2. Select the appropriate sensor if more than one

3Table of ContentsSection 1 Specifications...

30Operation5.7 ORP Calibration5.7.1 One-point Manual CalibrationThe manufacturer offers a one point manual calibration for ORP. The value of the sampl

31Operation5.9 Adjusting the TemperatureView or change the temperature using the steps below:1. From the Main Menu, select SENSOR SETUP and confirm. 2

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33Section 6 Maintenance DANGEROnly qualified personnel should conduct the tasks described in this section of the manual. DANGERSeul un technicien qual

34Maintenance6.2 Cleaning the SensorCAUTIONBefore cleaning with acid, determine if the chemical reaction between the acid and the sample will create a

35Section 7 Troubleshooting7.1 Error CodesWhen a sensor is experiencing an error condition, the sensor reading on the measurement screen will flash an

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37Section 8 Replacement Parts and Accessories8.1 Replacement Items, Accessories, and Reagent and StandardsItem Description QTY Catalog NumberInstructi

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39Section 9 How to OrderU.S.A. CustomersBy Telephone:6:30 a.m. to 5:00 p.m. MSTMonday through Friday(800) 227-HACH (800-227-4224)By Fax:(970) 669-2932

4Table of Contents7.3 Troubleshooting the pH or ORP Sensor ...

40Section 10 Repair ServiceAuthorization must be obtained from Hach Company before sending any items for repair. Please contact the Hach Service Cente

41Section 11 Limited WarrantyHach Company warrants its products to the original purchaser against any defects that are due to faulty material or workm

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43Section 12 Compliance InformationHach Company certifies this instrument was tested thoroughly, inspected and found to meet its published specificati

44Compliance InformationCanadian Interference-causing Equipment Regulation, IECS-003, Class ASupporting test records by Hewlett Packard, Fort Collins,

45Appendix A Modbus Register InformationTable 8 Sensor Modbus RegistersGroup Name Tag NameRegister #Data TypeLength R/W DescriptionTags SensorMeasTag

46Modbus Register InformationConfiguration CalWarningDays 40076 Integer 1 R/W Calibration warning daysConfiguration SensorWarningDays 40077 Integer 1

47Appendix B General pH InformationB.1 pH Measurement TheorypH is the negative logarithm of the hydrogen ion activity and a measure of the acidity or

48General pH InformationB.2 PID Controller BasicsA pH control loop operates as follows: The pH meter measures the value of the pH in the effluent, and

49General pH InformationIntegralThe integral value is used to reduce the steady state error, between the process value and the setpoint, to zero. For

5Section 1 SpecificationsSpecifications are subject to change without notice.Table 1 Combination pH and ORP Sensor SpecificationsComponents Corrosion

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51IndexBButtonsList box ... 23Toolbar ...

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7Section 2 General Information2.1 Safety InformationPlease read this entire manual before unpacking, setting up, or operating this equipment. Pay atte

8General Information2.2 General Sensor Information Optional equipment, such as mounting hardware for the probe, is supplied with instructions for all

9General InformationFigure 3 Insertion Style Sensor with Domed ElectrodeFigure 4 Sanitary-style Sensor2.3 The Digital GatewayThe digital gateway was d