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14

Installation

Figure 8

Placing the Probe Into the Flow Thru Assembly**

1.

Electrode Cable Connector

3.

Probe Assembly

2.

Probe Retaining Nut

4.

Flow Thru Assembly

**See 

Replacement Parts and Accessories on page 31

.

Summary of Contents for 9184sc

Page 1: ...DOC023 52 00051 9184sc Chlorine 9185sc Ozone and 9187sc Chlorine Dioxide Analyzer USER MANUAL 02 2013 Edition 2A ...

Page 2: ... HACH LANGE GmbH 2005 2013 All rights reserved Printed in Germany ...

Page 3: ...a Quick connect Fitting 15 3 7 Instrument and Controller Startup 16 Section 4 Operation 19 4 1 Using the sc Controller 19 4 2 Sensor Data Logging 19 4 3 Sensor Setup 19 4 3 1 Changing the Sensor Name and Parameter Selection 19 4 4 Sensor Diagnostics Menu 20 4 5 Sensor Setup Menu 20 4 6 Calibration 21 4 6 1 Temperature Sensor Calibration 21 4 6 1 1 Adjusting the Temperature 22 4 6 2 pH 9184sc T F C...

Page 4: ...7 4 Extension Cables 32 Section 8 Contact 33 Section 9 Warranty liability and complaints 35 Appendix A 9184sc Theory of Operation 37 A 1 Theory of Operation 37 A 1 1 Principle of Operation 37 Appendix B 9185sc Theory of Operation 39 B 1 Theory of Operation 39 B 1 1 Principle of Operation 39 Appendix C 9187sc Theory of Operation 41 C 1 Theory of Operation 41 C 1 1 Principle of Operation 41 Appendix...

Page 5: ...ppm 0 20 mg L HOCl 0 2 ppm 0 2 mg L O3 0 2 ppm 0 2 mg L ClO2 Detection Limit 5 ppb 0 005 mg L HOCl 5 ppb 0 005 mg L O3 10 ppb 0 01 mg L ClO2 Accuracy 2 or 10 ppb HOCl whichever is greater 3 or 10 ppb O3 whichever is greater 5 or 10 ppb ClO2 whichever is greater Standard Deviation 0 7 1 0 1 5 Interference No interference from chloramines Ozone and chlorine dioxide interfere with measurement No inte...

Page 6: ...20 to 60 C 4 to 140 F Operating Temperature Range 0 to 45 C 32 to 113 F Relative Humidity 10 to 90 non condensing Operating Humidity 0 to 90 non condensing Compliance The sc analyzer and sensor combination are CE marked and declared by HACH LANGE to the applicable EU Safety and EMC Directives ...

Page 7: ...al systems after 12 August of 2005 In conformity with European local and national regulations European electrical equipment users must now return old or end of life equipment to the Producer for disposal at no charge to the user Note For all electrical products marked or unmarked which are supplied or produced by Hach Lange please contact the local Hach Lange sales office for instructions for prop...

Page 8: ... Theory of Operation Refer to the following Appendices Appendix A 9184sc Theory of Operation on page 37 Appendix B 9185sc Theory of Operation on page 39 Appendix C 9187sc Theory of Operation on page 41 Figure 1 Sensor Cell Operation 1 Membrane 7 Electrolyte 2 Membrane Holder 8 Probe Body 3 Anode 9 Cathode 4 Electrolyte Filling Plug1 1 A small hole exists in the plug to allow the instrument to main...

Page 9: ...2 General Instrument Schematic 1 pH Probe 9184sc only 5 Gateway behind Mounting Plate 2 pH Cell Cap 9184sc only 6 Connector 3 Connector 7 Cell Cap 4 Cable to Controller 8 Probe Body See Replacement Parts and Accessories on page 31 ...

Page 10: ...8 General Information ...

Page 11: ...nce traveled by the sample the faster the instrument can respond and indicate changes in sample concentration The 152 mm 6 inch clearance at the bottom of the instrument is not necessary if using the accessories Refer to section 3 3 on page 10 for sample stream connection instructions Figure 3 Analyzer Dimensions Note The optional pH probe is used for the 9184sc TFC only 3 1 1 Environmental Consid...

Page 12: ...g point is important for optimum instrument performance Figure 4 The sample analyzed must be representative of the condition of the entire system Install sample line taps into the side of larger process pipes to minimize the chance of ingesting sediment from the pipe line bottom or air bubbles from the top A tap projecting into the horizontal center of the pipe is ideal Figure 4 Sample Line Locati...

Page 13: ...ended when contact with chemicals is possible 1 Screw the membrane cap onto the probe body Figure 6 and Figure 7 Be careful not to touch or damage the membrane surface 2 Remove the filling screw from the probe body 3 Visually inspect the electrolyte to ensure that there are no particles or other impurities present 4 Using the supplied syringe fill the probe body with 7 mL of electrolyte 5 Slowly i...

Page 14: ... hands and rinse sensor to remove excess electrolyte 10 Place the probe into the Flow Thru Assembly Figure 6 Probe Assembly 1 Membrane Cap to Probe Body 4 Seat Electrode into Probe Body 2 Syringe Filled with 5 mL Electrolyte 5 Secure Electrode with Retaining Ring 3 Inject Electrolyte into Electrode Body 6 Insert Filling Screw1 1 A small hole is in the plug so the instrument can maintain consistent...

Page 15: ...y assembled probe into the right chamber of the flow cell 3 Gently screw the retaining nut back on ensuring it is snug but do not overtighten 4 Attach the keyed electrode 1 Displays the correct way to tighten the membrane It is snug but not overtightened 2 Displays the incorrect way to tighten the membrane It is too loose and the internal electrolyte could leak ...

Page 16: ...Installation Figure 8 Placing the Probe Into the Flow Thru Assembly 1 Electrode Cable Connector 3 Probe Assembly 2 Probe Retaining Nut 4 Flow Thru Assembly See Replacement Parts and Accessories on page 31 ...

Page 17: ...til it is flush against the red connection 5 Insert the newly assembled probe into the left chamber of the flow cell 6 Attach the keyed electrode cable 3 6 Connecting the Sensor with the sc Controller 3 6 1 Attaching a sc Sensor with a Quick connect Fitting The sensor cable is supplied with a keyed quick connect fitting for easy attachment to the controller Figure 9 Retain the connector cap to sea...

Page 18: ...for leaks at this time If leaks occur fix by ensuring all connections are snug but not overtightened 4 Adjust the flow regulator on the flow cell until the water begins to drain out the left drain port This results in a constant 14 L hour 200 250 mL min flow rate 5 Supply power to the controller and it will automatically power on 6 Allow the instrument to stabilize before proceeding This usually t...

Page 19: ...17 Installation Figure 11 Setting the Flow Rate 1 Sample inlet tubing 4 Sample 2 Flow meter adjustment knob 5 Drain tubing 3 Sample level overflow indicates the correct water level ...

Page 20: ...18 Installation ...

Page 21: ...een purchased Parameter choices depending on the instrument are Chlorine HOCL does not include pH measurement Chlorine Acid which is HOCL plus the acid verification accessory does not include pH measurement Total Free Chlorine TFC includes pH measurement Ozone does not include pH measurement Chlorine Dioxide does not include pH measurement When a sensor is initially installed the sensor name will ...

Page 22: ...t ELECTRICAL or CHEMICAL For CHEMICAL use a sample that does not contain any oxidants Ensure that the sample source has a sufficient flow rate and that the sample is adequately mixed CAL DELAY can adjust for Days See section 4 6 5 on page 25 DEFAULT SETUP Resets the sensor configuration to default settings See section 4 7 on page 25 CONFIGURE EDIT NAME Enter up to a 10 digit name in any combinatio...

Page 23: ...um pH allowed value An higher value will display a PH TOO HIGH error message LOG SETUP Allows user to select data logging interval for the sensor and temperature FILTER Adjust for s This averages the signal over the specified time interval MAINS FREQ Choose 50 or 60 Hz CONFIGURE continued DEFAULT SETUP Resets the sensor configuration to default settings DIAG TEST PROBE INFO Displays the driver and...

Page 24: ... pH 4 6 2 1 Process pH 1 Point Sample 1 From the Main Menu select SENSOR SETUP and confirm 2 Highlight the appropriate sensor if more than one is attached and confirm 3 Select CALIBRATE and confirm 4 Select PROCESS PH and confirm Table 1 Temperature Conversions C F K C F K C F K 0 32 273 15 16 60 8 289 15 32 89 6 305 15 1 33 8 274 15 17 62 6 290 15 33 91 4 306 15 2 35 6 275 15 18 64 4 291 15 34 93...

Page 25: ...Adjust the SAMPLE VALUE X XX pH to the known pH with the keypad and confirm 9 MOVE CLEAN PROBE TO SAMPLE2 Press ENTER to Continue is displayed Confirm 10 VALUE XX XX pH TEMP XXX C is displayed Confirm to continue 11 Adjust the second SAMPLE VALUE X XX pH to the known pH with the keypad and confirm 12 VALUE XX XX pH TEMP XXX C IS displayed Confirm to continue 13 COMPLETE SLOPE XXX X OFFSET X XX pH ...

Page 26: ...ote Refer to section 4 6 3 on page 23 If adjusting the TFC value use the Total Free Chlorine Method 9 COMPLETE SLOPE nA MG OFFSET uA is displayed and confirm to continue 10 RETURN PROBE TO PROCESS is displayed and confirm 4 6 4 Zero Calibration The Zero Calibration can be performed in two different ways chemically or electrically To perform a Zero Calibration refer to section 4 6 5 on page 25 For ...

Page 27: ... sensor is attached and confirm 3 Select CALIBRATE and confirm 4 Select CAL CONFIG and confirm 5 OUTPUT MODE displays Use the keypad to choose one of the following ACTIVE HOLD TRANSFER or CHOICE and confirm Returns to the CAL CONFIG menu 6 Select CAL CONFIG and confirm 7 Select CAL ZERO and confirm 8 Choose either ELECTRICAL or CHEMICAL and confirm Returns to the CAL CONFIG menu 9 Select CAL CONFI...

Page 28: ...26 Operation ...

Page 29: ...ing conditions or more frequently as experience dictates Figure 12 1 Shut off the sample supply Remove the probe cable 2 Unscrew the probe retaining ring Remove the sensor Note Removing the sensor may activate alarms Ensure that removing the sensor will not affect plant operation by switching to maintenance mode 3 Unscrew the electrode retaining ring and filling screw Note Never pull sharply on th...

Page 30: ...he membrane Refer to section 3 5 1 on page 11 to replace the electrolyte 5 2 4 Replacing the pH Electrode 9184sc only Replace the electrode 12 to 18 months depending on the application 1 Probe Chamber 6 Measurement Electrode 2 Probe Assembly 7 Probe Body 3 Probe Retaining Nut 8 Filling Screw 4 Electrode Cable Connector 9 Probe Body Washer 5 Electrode Retaining Ring 10 Pre mounted Membrane ...

Page 31: ...ify the RAW value TEMP TOO HIGH Verify the actual temperature is not higher than 45 C Connect the sensor simulator and verify the RAW value RAW MEASURMENT Change the preamplifier PH TOO LOW 9184sc only PH electrode is clogged broken or too old Calibrate the pH electrode Clean the electrode Replace the electrode PH TOO HIGH 9184sc only PH electrode is clogged broken or too old Calibrate the pH elec...

Page 32: ...30 Troubleshooting ...

Page 33: ...1001 Replacement electrode for the 9185 sc 09185 A 1000 Replacement electrode for the 9187 sc 09184 A 1001 Replacement probe body 09184 C 4100 Filling screw 09184 C 1030 Syringe 560150 21957 Pre assembled flow cell LZY053 Mounting panel LZY059 in tubing adapter 09184 A 4020 Replacement gateway circuit board LZX823 Replacement cable to transmitter LZY105 Replacement electrode cable 09184 A 4300 Rep...

Page 34: ...ion Cables Description Catalog Number Cable sensor extension 0 35 m LZX847 Cable sensor extension 5 m LZX848 Cable sensor extension 10 m LZX849 Cable sensor extension 15 m LZX850 Cable sensor extension 20 m LZX851 Cable sensor extension 30 m LZX852 ...

Page 35: ...5 41 61 20 info hach lange be www hach lange be DR LANGE NEDERLAND B V Laan van Westroijen 2a NL 4003 AZ Tiel Tel 31 0 344 63 11 30 Fax 31 0 344 63 11 50 info hach lange nl www hach lange nl HACH LANGE APS Åkandevej 21 DK 2700 Brønshøj Tel 45 36 77 29 11 Fax 45 36 77 49 11 info hach lange dk www hach lange dk HACH LANGE AB Vinthundsvägen 159A SE 128 62 Sköndal Tel 46 0 8 7 98 05 00 Fax 46 0 8 7 98...

Page 36: ...era bb HR 42 000 Varaždin Tel 385 0 42 305 086 Fax 385 0 42 305 087 info hach lange hr www hach lange hr HACH LANGE MAROC SARLAU Villa 14 Rue 2 Casa Plaisance Quartier Racine Extension MA Casablanca 20000 Tél 212 0 522 97 95 75 Fax 212 0 522 36 89 34 info maroc hach lange com www hach lange ma HACH LANGE OOO Finlyandsky prospekt 4A Business Zentrum Petrovsky fort R 803 RU 194044 Sankt Petersburg T...

Page 37: ...on of the fault If the customer fails to notify the supplier the product is considered approved despite the defect Further liability for any direct or indirect damages is not accepted If instrument specific maintenance and servicing work defined by the supplier is to be performed within the warranty period by the customer maintenance or by the supplier servicing and these requirements are not met ...

Page 38: ...36 Warranty liability and complaints ...

Page 39: ...exist to mention the different species of chlorine Active Chlorine HOCl hypochlorous acid It is the most powerful disinfectant up to 100 times more efficient than hypochlorite Total Free Chlorine TFC HOCl ClO It is composed of dissolved chlorine at low pH values hypochlorous acid gas and hypochlorite ion These species coexist their relative proportion is depending on pH and temperature see curve b...

Page 40: ...here HOCl is reduced according to the reaction At the silver electrode anode the silver is oxidized to Ag The reduction in HOCl at the cathode generates a current that is directly proportional to its partial pressure in the sample The electrochemical reaction and diffusion through the membrane are dependent upon temperature Consequently the measurement cell contains a temperature sensor that allow...

Page 41: ... solubility of ozone in water decreases rapidly with temperature Effects of pH Ozone reacting with OH hydroxide ions the greater the number of these ions high pH the greater the degree of breakdown Conversely at a low pH breakdown will be slower Figure 14 Figure 14 Time of Breakdown of Dissolved Ozone Finally it is worth noting that as the OH ion is a by product of ozone breakdown in water the rea...

Page 42: ...40 9185sc Theory of Operation ...

Page 43: ...diffusion of the chlorine dioxide molecules through a membrane The molecules of chlorine dioxide contained in the sample diffuse through the membrane and are then found in an electrolyte zone of very slight thickness between the membrane and the cathode A constant work potential is applied to the work electrode cathode where CIO2 is reduced according to the reaction ClO2 5e 4H Cl 2H2O At the silve...

Page 44: ...42 9187sc Theory of Operation ...

Page 45: ...25 Integer 1 R Auto Ranging redirection of nA µA units Concentration Tag based 40026 Integer 1 R Redirection tag for concentration ppm mg L units Temperature Tag based 40027 Integer 1 R W Redirection tag for temperature unit C F Sensor Name 0 40028 Integer 1 R W Sensor Name 0 Sensor Name 1 40029 Integer 1 R W Sensor Name 1 Sensor Name 2 40030 Integer 1 R W Sensor Name 2 Sensor Name 3 40031 Integer...

Page 46: ...Measurement 40078 Float 2 R Internal use Cal TFC Measurement 40080 Float 2 R Internal use Output Mode 40082 Integer 1 R Internal use Software version 40083 Float 2 R Software version Serial Number String 0 40085 Integer 1 R W Internal use Serial Number String 2 40086 Integer 1 R W Internal use Serial Number String 4 40087 Integer 1 R W Internal use Serial Number String 6 40088 Integer 1 R W Intern...

Page 47: ...on 40106 Float 2 R Internal use Measurement Logging Interval 40108 Integer 1 R W Sensor Data logging interval Temperature Logging Interval 40109 Integer 1 R W Temperature logging interval Table 2 Sensor Modbus Registers continued Tag Name Register Data Type Length R W Description ...

Page 48: ...46 Modbus Register Information ...

Page 49: ...nt Specifications 3 M Mounting Installation Considerations 10 O Optional pH 15 P Probe Components 11 R Replacement Parts and Accessories 31 S Safety 5 Sample Line 10 sc100 Warning Messages 29 Sensor Data Logging 19 Sensor Cable Wiring 16 T Theory 9184sc 37 Theory 9185sc 39 Theory 9187sc 41 ...

Page 50: ...48 Index ...

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