Hach-lange SURFACE SCATTER 7 sc Turbidimeter User Manual

Catalog Number DOC026.52.00769Surface Scatter® 7 sc TurbidimeterUSER MANUALEdition 2 November 2006

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9Section 2 General information2.1 Safety informationPlease read this entire manual before unpacking, setting up or operating this equipment. Pay atten

10General information2.2 General product information2.2.1 Instrument description The Surface Scatter® 7 sc (SS7 sc) Turbidimeter is a sensitive, conti

11General information2.2.1.1 ControllerThe SS7 sc and SS7 sc-HST operate in conjunction with an sc100 controller. The controller enclosure houses the

12General informationFigure 4 SS7 sc components1 Detector assembly (Cat. No. 71221-00) 5 Bulkhead fitting, 1-in. NPT (Cat. No. 40355-00)2 Light source

13General information2.2.2 Surface Scatter 7 sc High Sample TemperatureThe Surface Scatter 7 sc High Sample Temperature Turbidimeter (SS7 sc-HST) has

14General informationFigure 6 SS7 sc-HST components1 Flow multiplier 8 Cord grip (Cat. No. 61287-01)2 ¾-in. hose 9 Bulkhead fitting, 1-in. NPT (Cat. N

15Section 3 InstallationDANGEROnly qualified personnel should conduct the tasks described in this section of the manual. The SS7 sc/sc controller prod

16InstallationFigure 7 Installation kit items11 Formazin stock solution, 4000 NTU, 500 mL 6 Washer, ¼ ID x 1.00 OD (4x)2 Brush, cylinder, size 2 7 A

17Installation3.3 Mechanical installation3.3.1 Environmental requirementsThe SS7 sc and SS7 sc-HST enclosures are designed for general-duty, indoor in

18InstallationFigure 8 SS7 sc and SS7 sc-HST installation drawing1 Door hinges (4x) 7 Ball valve2 Flow multiplier (SS7 sc-HST only) 8 ¾-in. NPT nipp

19Installation3.3.4 Installing the optional heat exchangerAn optional heat exchanger (Cat. No. 48551-00) is available for the SS7 sc-HST (Figure 10 on

20Installation3.3.5 Installing the 3-way ball valvesCAUTION Installation should be performed by qualified technical personnel to ensure adherence to a

21Installation3.5 Connecting hydraulicsNote: When connecting the hydraulics to the bottom of the unit, hold the ¾-in. bulkhead adapters on the inside

22InstallationFigure 12 SS7 sc-HST plumbing diagram1 Optional items 14 Sample unit2 Bubble trap 15 sc1003 3-way ball valve (Auto Flush Kit) 16 Custo

23InstallationFigure 13 SS7 sc plumbing diagram1 Sample in 9 Power in for sc1002 Flow control valve (recommended) 10 ¾-in. NPT nipple (supplied)3 ¾-

24Installation3.6 Connecting the air purge fittingAir purge helps control condensation and corrosive vapors within the sample unit and is recommended.

25InstallationFigure 14 Attaching the SS7 sc/SS7 sc-HST using the quick-connect fitting3.7.2.2 Hard-wiring the SS7 sc to the sc100 controller1. Disc

26InstallationTable 4 Wiring the SS7 sc at terminal block J5Terminal number Terminal designation Wire color1Data (+) Blue2 Data (–) White3 Service r

27Section 4 System startup4.1 General operation1. Plug the SS7 sc/SS7 sc-HST into the unpowered controller by aligning the orientation tab on the cabl

Catalog Number DOC026.52.00769Surface Scatter® 7 sc TurbidimeterUSER MANUALEdition 2 November 2006© Hach Company, 2006. All rights reserved. Printed i

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29Section 5 Operation5.1 Sensor setupWhen a sensor is initially installed, the sensor name will be displayed. To change the sensor name refer to the f

30Operation5.2 Sensor data loggingThe controller provides two data logs (one for each sensor) and two event logs (one for each sensor). The data logs

31Operation5.5 Sensor calibration and verification5.5.1 Standardization and calibrationDANGERTo become familiar with handling precautions, dangers and

32Operation8. If no selection is made for a set period of time, the screen will prompt to remix the standard to avoid a change in the value of the sta

33Operation7. Confirm to calibrate. When the calibration is completed successfully, the display will show GOOD CAL! and the new calibration gain value

34Operationcalibrated. Take a grab sample from the on-line instrument drain or sample inlet line and immediately measure its turbidity in the laborato

35Operation6. Open the SS7 sc to remove the plate. Restart the sample flow and close the door. Confirm to return the instrument to measurement mode.No

36Operation9. When the displayed turbidity value is stable, confirm to select the measured reading. After confirming the reading:• GOOD VER! will be d

37Operation5. Confirm to view the previous calibrations. After scrolling through all 12 histories, the display will return to the calibration menu lev

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38Operation5.7 Operating the SS7 sc-HST • If condensation forms in the enclosure, increase the air pressure (and flow) by increasing the air pressure

39Section 6 MaintenanceDANGEROnly qualified personnel should conduct the tasks described in this section of the manual. The nature of tasks described

40Maintenance6.3.1 CleaningSediment may collect in the turbidimeter body and on the overflow weir. Algae may also form. The turbidimeter body should b

41Maintenance5. Wipe the replacement lamp clean to remove any dust and fingerprints. Fingerprints left on the glass bulb can permanently damage the la

42MaintenanceFigure 17 Lamp replacement1 Lamp cable 6 Spacer2 End plate 7 Housing3 Notched spacer 8 Light source assembly4 Back plate 9 Lamp5 Base

43Maintenance6.4.2 Light source assembly maintenanceNo maintenance of the light source assembly is normally necessary beyond changing the lamp. The la

44Maintenance6.4.3 Detector assembly replacementThe detector assembly, listed as a replacement item in section 8.1 on page 51, is a sealed unit that i

45Maintenance6. Remove the two screws securing the detector assembly to the wall of the SS7 sc enclosure. Remove the complete detector assembly (Figur

46MaintenanceFigure 20 Detector assembly replacement1 Detector assembly (Cat. No. 71221-00) 6 Clamping fingers2 Light source assembly power connector

47Section 7 Troubleshooting7.1 Error CodesErrors are indicated by a flashing measurement value and a flashing warning icon. Errors are defined in Tabl

3Table of ContentsSection 1 Specifications ...5

48TroubleshootingTable 7 presents sensor warnings displayed in the Event Log, possible causes and corrective actions.12 INT FLASH FAIL Internal copy o

49TroubleshootingTable 8 presents additional malfunctions which may not be recorded in the Event Log.7.3 Event codesEvents are automatically invoked t

50TroubleshootingExample of event log download using DataCom7.4 Data logMeasured data is automatically logged based on the setting of the data log int

51Section 8 Replacement parts and accessories8.1 Replacement partsDescription Cat. No.Surface Scatter® 7 sc Installation Kit:Adapter, barb fitting, ¾”

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53Section 9 ContactHACH LANGE GMBHWillstätterstraße 11D-40549 DüsseldorfTel. +49 (0)2 11 52 88-0Fax +49 (0)2 11 52 [email protected]

54Section 10 Limited warrantyHACH LANGE GmbH warrants that the product supplied is free of material and manufacturing defects and undertakes the oblig

55Section 11 CertificationHach Company certifies this instrument was tested thoroughly, inspected and found to meet its published specifications when

56CertificationEN 61000-3-3 Voltage Fluctuation (Flicker) Disturbances Caused by Electrical EquipmentAdditional Emissions Standard/s include:EN 55011

57Appendix A Modbus registerTag Name Register # Data Type Length R/W DescriptionTURB 40001 Float 2 R Measured turbidity valueTURB INT 40003 Unsigned I

4Table of ContentsSection 7 Troubleshooting ...477.1

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59Appendix B Theory of operationB.1 SS7 sc principle of operationThe Surface Scatter 7 sc Turbidimeter is a sensitive and precise instrument designed

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5Section 1 SpecificationsSpecifications are subject to change without noticeRange 0.01–9999.9 nephelometric turbidity units (NTU)Accuracy± 5% of readi

6SpecificationsFigure 1 Maximum ambient temperature vs. probe loadTable 1 sc100 controller capacityController operating temperature (°C) Power availa

7SpecificationsFigure 2 Maximum ambient temperature vs. probe loadTable 2 sc1000 controller capacityController operating temperature (°C) Power avail