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A-96.250.211 / 171121

AMI Sodium P

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AMI Sodium P

Summary of Contents for AMI Sodium P

Page 1: ...Operator s Manual Firmware V6 22 and higher AMI Sodium P A 96 250 211 171121...

Page 2: ...n representative or the manufacturer Swan Analytische Instrumente AG Studbachstrasse 13 8340 Hinwil Switzerland Internet www swan ch E mail support swan ch Document Status Title AMI Sodium P Operator...

Page 3: ...2 Installing the Reference Electrode 27 3 4 3 Installing the pH Electrode 31 3 4 4 Installing the Temperature Sensor 32 3 4 5 Installing the reagent bottle 32 3 5 Installing the 2nd Sample Stream Opt...

Page 4: ...nce of Reference Electrode 64 6 5 Maintenance of pH Sensor 65 6 6 Maintenance of Solenoid Valve 66 6 6 1 2nd Sample Stream Option 66 6 6 2 Automatic Regeneration Option 68 6 7 Maintenance of Flow Cell...

Page 5: ...90 8 3 Maintenance Main Menu 3 91 8 4 Operation Main Menu 4 92 8 5 Installation Main Menu 5 92 9 Program List and Explanations 94 1 Messages 94 2 Diagnostics 94 3 Maintenance 95 4 Operation 97 5 Inst...

Page 6: ...ructions are given throughout this manual at the re spective locations where observation is most important Strictly fol low all safety instructions in this publication Target audience Operator Qualifi...

Page 7: ...tion instructions carefully WARNING Severe injuries or damage to the equipment can occur if such warnings are ignored Follow the prevention instructions carefully CAUTION Damage to the equipment minor...

Page 8: ...171121 AMI Sodium P Safety Instructions 8 Warning Signs The warning signs in this manual have the following meaning Electrical shock hazard Corrosive Harmful to health Flammable Warning general Atten...

Page 9: ...li ty for any claim resulting from unauthorized modification or alter ation WARNING Electrical Shock Hazard If proper operation is no longer possible the instrument must be disconnected from all power...

Page 10: ...tion you must read and understand the instructions in this manual as well as the Material Safety Data Sheets MSDS Etching kit for sodium electrodes powder liquid Regeneration solution for sodium elect...

Page 11: ...ure With the current temperature the measuring value is expressed for the standard temperature of 25 C by using programmed tempera ture compensation curves Sodium measurements below 1 ppb require a sp...

Page 12: ...overflow tube M into the waste This adjustment ensures a sufficient sample flow through the flow cell K First the sample flows into the measuring chamber K1 where the sodium electrode G is installed...

Page 13: ...ctrode Sodium electrode Temperature sensor Bubble counter Sample with air bubbles Flow cell L M N O P Q R S T U Sample outlet Overflow tube Air inlet filter Air tube to DIPA bottle Automatic regenerat...

Page 14: ...the automatic regeneration module an AMI Sodium P with 400 mm panel width is required Grab Sample The standard bottle holder can also be used for a grab sample mea surement For details see Grab Sampl...

Page 15: ...num with a protection degree of IP 66 NEMA 4X 10 to 50 C 30 to 85 C 10 90 rel non condensing backlit LCD 75 x 45 mm Sample requirements pH value Ammonium concentration Flow rate Temperature Inlet pres...

Page 16: ...ription 16 Dimensions Panel Dimensions Screws Weight stainless steel 280 x 850 x 200 mm 8 mm diameter 9 0 kg 19 85 lbs without sample water Exit Enter AMI Sodium P 13 mm 0 51 254 mm 10 00 280 mm 11 02...

Page 17: ...imensions with 2nd sample stream Panel Dimensions Screws Weight stainless steel 400 x 850 x 200 mm 8 mm diameter 12 0 kg 26 5 lbs without sample water 13 mm 0 51 4 x dia 10 mm 0 39 850 mm 33 46 824 mm...

Page 18: ...compact panel version Panel Dimensions Screws Weight stainless steel 375 x 700 x 200 mm 8 mm diameter 9 0 kg 19 85 lbs without sample water Exit Enter AMI Sodium P 10 mm 0 39 17 5 mm 0 69 30 mm 1 18 4...

Page 19: ...nce electrolyte bottle 2nd sample stream option Flow regulating valve Sample inlet pH electrode Sodium electrode Bubble detector J K L M N O P Q Air filter Constant head Standard bottle Grab sample St...

Page 20: ...lectrode Rinse it well and check for air bubbles inside the electrode Install the sodium electrode Connect cable S to the sodium electrode Reference electrode Installing the Reference Electrode p 27 I...

Page 21: ...and fill the tube with regeneration solution by calling the Maintenance Regenerations Manual Operation menu item Instrument setup Program all parameters for external devices interface recorders etc P...

Page 22: ...t must only be installed by trained personnel Mount the instrument in vertical position For ease of operation mount it so that the display is at eye level For the installation a kit containing the fol...

Page 23: ...ting Use plastic tube 4 x 6 mm to connect the sample line Mounting of SERTO fitting 3 3 2 Sample Outlet WARNING Risk of water pollution The drain of the flow cell outlet contains diisopropylamine DIPA...

Page 24: ...o the flow cell after mounting of the instrument panel The electrodes are pro tected with protective caps at their tips as well as on the electrical connectors Remove the connector caps from the conne...

Page 25: ...re that the sensing glass bulb stays clean no air bubbles are trapped in the glass bulb of the electrode the electrical connectors stay clean and dry The electrode is delivered with protective caps on...

Page 26: ...he O ring H and slip it carefully over the electrode shaft C 6 Make sure no air bubbles are trapped in the sensing glass bulb E Shake the electrode like a clinical thermometer with its tip pointing do...

Page 27: ...ain correct operation make sure that the ground joint diaphragm stays clean and a KCl flow of about 1ml day is maintained no air bubbles are trapped in the electrode and in the tube to the KCl reservo...

Page 28: ...2 Hold the reference electrode with the ground joint diaphragm pointing downwards 3 Slightly lift the ring shaped sleeve of the ground joint diaphragm and allow a little electrolyte to flow out into...

Page 29: ...ect the KCl supply tube to the dosing tip C of the KCl bottle the compact panel version requires an additional extension tube see Extension tube on compact panel version p 30 A B C D E F KCl bottle Tr...

Page 30: ...it carefully over the electrode shaft I 8 Insert the electrode through the hole H into the reference cham ber and push it down until the ground joint diaphragm is about 0 5 cm above the bottom 9 Tight...

Page 31: ...y over the electrode shaft 5 Insert the electrode through the hole H in into the flow cell 6 Tighten the union screw E hand tight 7 Remove the connector cap A 8 Screw the connector B of the cable mark...

Page 32: ...ure sensor proceed as follows 1 Remove the temperature sensor A from the panel 2 Insert the temperature sensor through the hole E into the flow cell 3 Push it into the hole as far as it will go 3 4 5...

Page 33: ...alve from the constant head support A with the blind plug B 4 Remove the existing sample inlet tube J from the constant head support inlet 5 Screw the 2nd sample stream option C to the panel using the...

Page 34: ...Electrical connection WARNING Electrical shock hazard Before opening the AMI transmitter switch power off Use one of the PG7 cable glands to feed the cable of the solenoid valve into the AMI transmitt...

Page 35: ...connected to the AMI Sodium P which allows to measure up to six sample streams The electrical connection is de scribed in the manual of the AMI Sample Sequencer Note If the AMI Sodium P is already equ...

Page 36: ...ntilation tube D to the bottle holder of the auto matic regeneration module 6 Screw the automatic regeneration module to the panel using the supplied screws if necessary unscrew the air filter C and s...

Page 37: ...A 96 250 211 171121 AMI Sodium P Installation 37 Exit Enter AMI Sodium P G E D C F...

Page 38: ...the cable of the solenoid valve into the AMI transmitter housing 1 Remove the plug A from the cable gland B 2 Open the transmitter housing 3 Feed the cable of the solenoid valve through the cable glan...

Page 39: ...erate the instrument from an power outlet which has a ground connection Make sure the power specification of the instrument corre sponds to the power on site Cable thicknesses In order to comply with...

Page 40: ...ure that the devices connected to the following contacts are disconnected from the power before resuming installation relay 1 relay 2 alarm relay WARNING To prevent from electrical shock do not connec...

Page 41: ...tion 41 3 8 1 Connection Diagram CAUTION Use only the terminals shown in this diagram and only for the mentioned purpose Use of any other terminals will cause short circuits with possible correspondin...

Page 42: ...o be connected to the grounding terminal Installation requirements The installation must meet the following requirements Mains cable to comply with standards IEC 60227 or IEC 60245 flammable rating FV...

Page 43: ...e Max load 1 A 250 VAC Alarm output for system errors Error codes see Troubleshooting p 84 Note With certain alarms and certain settings of the AMI transmitter the alarm relay does not switch The erro...

Page 44: ...us of the relays described below For programming see 5 3 2 and 5 3 3 p 106 menu Installation Relay config Terminals Jumper pos Description Relay configuration Normally Open 6 7 Relay 1 8 9 Relay 2 Ina...

Page 45: ...n paral lel to the load A snubber circuit is not necessary if an AMI relaybox is used Resistive load Resistive loads max 1 A and control signals for PLC impulse pumps and so on can be connected withou...

Page 46: ...ator Signal output 1 Terminals 14 and 13 Signal output 2 Terminals 15 and 13 For programming see 5 2 Signal Outputs p 99 3 11 Interface Options The slot for interfaces can be used to expand the functi...

Page 47: ...esponding installation instruction Note Max burden 510 Third signal output 0 4 20 mA PCB 3 11 2 Profibus Modbus Interface Terminal 37 PB Terminal 38 PA To connect several instruments by means of a net...

Page 48: ...nsult the HART manual HART Interface PCB 3 11 4 USB Interface The USB Interface is used to store Logger data and for Firmware up load For detailed information see the corresponding installation in str...

Page 49: ...tallation 49 3 12 Connection of Sensors Front end board A B C D Temperature sensor cable marked with T Terminal 19 20 pH electrode cable marked with pH Reference electrode cable marked with R Sodium e...

Page 50: ...ent formation of reagent vapors close the reagent bottle firmly check the EPDM seal regularly install air tubes and filter properly Note Operate the instrument only with diisopropylamine A B C D E F G...

Page 51: ...he screw cover A onto the DIPA bottle and tighten it firmly 4 Screw the tube fitting of tube 1 B into the tube holder D so that it is connected to the air inlet tube 5 Screw the tube fitting of tube 2...

Page 52: ...ns recirculate it into the water system 1 Swing down the bottle holder D as far as it will go 2 Open the flow regulating valve A 3 Adjust the sample flow so that a small part of the sample over flows...

Page 53: ...annel switching mode See 5 1 4 p 99 for details Automatic regeneration option If the automatic regeneration option is installed configure the time and days of the week on which an automatic regenerati...

Page 54: ...nges to move back to the previous menu level B to move DOWN in a menu list and to decrease digits C to move UP in a menu list and to increase digits D to open a selected sub menu to accept an entry Ex...

Page 55: ...s 2 channel operation the active channel is flushed measurement of active channel 1 channel operation In 1 channel operation no symbols are displayed F Sample temperature G pH value in flow cell H Rel...

Page 56: ...that might need to be modified during daily routine Normally password protected and used by the process operator Subset of menu 5 Installation but process related Menu Installation 5 For initial inst...

Page 57: ...s the new parameter is set 5 1 2 Sensors Sensor type FOME Temperature NT5K Standards Disinf Free chlorine 4 4 1 Logger Log interval 30 min Clear logger no 4 1 3 Logger Clear logger no Log interval 30m...

Page 58: ...ndard bottle well and fill it with grab sample Do not use closed bottles 2 Screw the grab sample bottle into the standard bottle holder and swing it upwards This stops the sample flow from the constan...

Page 59: ...4 After the grab sample bottle is empty swing the bottle holder down and unscrew the grab sample bottle 5 Press the key again HOLD appears in the display cal delay After the delay time is over the ins...

Page 60: ...eplace it if necessary Check level of KCl reservoir If necessary replace the bottle Etch the sodium electrode using SWAN s etching kit Perform a two point calibration Perform a pH measurement and corr...

Page 61: ...ntenance 1 Stop sample flow 2 Shut off power of the instrument 3 Disconnect the reagent bottle and close it 4 If the automatic regeneration module is installed swing down unscrew and close the regener...

Page 62: ...e electrical connectors stay absolutely clean and dry Remove the sodium electrode 1 Unscrew and remove the sensor plug A Prevent the connector from getting wet 2 Put on the connector cap B onto the se...

Page 63: ...before use and mark the date of mixing Note Once the fluoride salt is dissolved the life time of the solution is limited to 6 months Cleaning and etching 1 Remove adhered iron deposits by wiping the e...

Page 64: ...e bottle was punctured do not spill KCl 5 Remove the reference electrode from the flow cell Cleaning 1 Remove any iron deposits with a soft paper tissue 2 Slip the ring shaped sleeve F upwards with a...

Page 65: ...he union screw C fr om the threaded hole 4 Remove the pH electrode together with the union screw C washer D and O ring E from the measuring cell 5 If necessary wipe the pH sensor shaft and the green t...

Page 66: ...ple Stream Option Disassemble the solenoid valve 1 Switch off the instrument according to instructions in Stop of Op eration for Maintenance p 61 2 Loosen the nut A 3 Remove the solenoid coil B from t...

Page 67: ...r Note The O rings inside the valve body may stick on the flow cell and fall down if the valve body is removed 5 Remove the valve body from the flow cell 6 Remove the white plate G with a screw driver...

Page 68: ...on solution tube and the flow cell completely 5 Switch off the instrument Dismount 1 Remove the tubes from the defective valve 2 Unscrew knurled nut A 3 Disconnect the coil body B from the solenoid va...

Page 69: ...Place washer 2 on membrane and push down carefully 9 Place long spring in solenoid 10 Screw on the solenoid support fingertight Mounting 1 Mount the solenoid valve to the automatic regeneration modul...

Page 70: ...e fragile and scratch sensitive Possible damage of acrylic glass parts due to scrubbing materials Never use organic solvents or scrubbing materials to clean acrylic glass parts Use soft detergent and...

Page 71: ...l D completely 4 Remove all sensors A 5 Remove all tube connections 6 Unscrew the 4 screws B of the flow cell cover C and remove it 7 Clean the flow cell with a soft brush Assemble the flow cell 1 Scr...

Page 72: ...ubbing materi als Never use organic solvents or scrubbing materials to clean acrylic glass parts Use soft detergent and rinse well Eliminate lime deposits with a common household deliming agent in sta...

Page 73: ...ck 9 Clean all acrylic parts with a soft brush bottle cleaner and soapy water Note Grease the O rings only with teflon paste or spray Assemble the flow cell 1 Replace all O rings C before assembling t...

Page 74: ...ert the air filter B in the holder A on the right of the transmitter To replace the air filter proceed as follows 1 Pull out the polluted air filter of the holder A 2 Push the new air filter B into th...

Page 75: ...centrations are programmed correctly See menu 5 1 5 p 99 Prepare two standards Prepare the 2 standards directly in the marked bottle using the stock solution The final concentration must correspond to...

Page 76: ...meter to do the correction We recom mend using a Chematest series instrument with a pH electrode The handheld pH meter must be calibrated correctly Navigate to menu Maintenance Calibration Process pH...

Page 77: ...hing kit only Electrode Offset The instrument guides you through the complete calibration process If you have completed the required action press Enter to proceed 6 Press Enter to save 3 1 2 4 Process...

Page 78: ...s Enter for 2 point calibration or Exit if you only want to make a one point calibration Standard Sodium and wait Enter to continue 3 1 1 5 Mount electrode 2 3 minutes Standard Sodium onto holder and...

Page 79: ...outputs are frozen If the delay time is 0 the outputs show the mea sured value During calibration delay HOLD is displayed 1 Screw standard bottle 2 onto the holder and swing bottle upwards 2 Wait unti...

Page 80: ...11 1 Tube Numbering The NO port of the 3 way valve must be sealed with a blind plug Tube No from to 1 Air filter A Reagent G 2 Reagent G Flow cell block C 3 Solenoid valve NC F T piece H 4 Solenoid va...

Page 81: ...ubble detector 6 Finally slide the other light protecting sleeve with the rounded side facing towards the flow cell cover over the reaction tube Note Extraneous light may distort the bubble measuremen...

Page 82: ...e immediately show the label where possible 1 Carefully unscrew and remove the screw cover with tube holder from the DIPA bottle 2 Close the DIPA bottle with the original cover 3 Remove the EPDM seal...

Page 83: ...and close it Rinse the tube with sample water using the Maintenance Regeneration Manual Operation menu item pH sensor 8 Unscrew and remove the connector from the pH sensor 9 Put the connector cap ont...

Page 84: ...appear if correct measuring conditions are re covered i e Sample Flow low Such Errors are marked E0xx bold and orange Errors which indicate a hardware failure of the instrument Such Errors are marked...

Page 85: ...eck programmed value 5 3 1 1 2 p 104 check if 2nd stream is installed correctly E006 Sodium 2 Alarm low check process check programmed value 5 3 1 1 2 p 104 check if 2nd stream is installed correctly...

Page 86: ...in Installation Relay 5 3 2 and 5 3 3 p 106 E018 Reagent empty check DIPA bottle if necessary refill diisopropylamine E019 No Sample readjust the sample flow check if tubes are blocked E020 pH low che...

Page 87: ...ssible Reasons No automatic regeneration is performed The automatic regeneration does not start if one of the following errors is present E010 Sample flow low E018 Reagent empty In addition the automa...

Page 88: ...ng installation relay 1 relay 2 alarm relay When a fuse has blown find out the cause and fix it before replacing it with a new one Use tweezers or needle nosed pliers to remove the defective fuse Use...

Page 89: ...gs can be modified Menu 3 Maintenance is for service Calibration simulation of outputs and set time date Please protect with password Menu 4 Operation is for the user allowing to set limits alarm valu...

Page 90: ...ensors Sodium Sensor Current Value 2 2 2 2 1 Raw value 1 Cal History Number 2 2 1 5 1 2 2 1 5 Date Time Offset Slope pH Electrode Current Value 2 2 2 Raw value Cal History Number 2 2 2 5 1 2 2 2 5 Dat...

Page 91: ...ave Enter 3 1 2 5 Regeneration Manual Operation Valve Open 3 2 3 2 1 3 2 1 1 Closed Parameters Start time 3 2 2 1 3 2 2 Calendar Monday to Sunday 3 2 2 2 5 1 2 2 1 to 5 1 2 2 7 Duration 3 2 2 3 Delay...

Page 92: ...teresis 4 2 1 3 x Delay 4 2 1 3 x Relay 1 and 2 Setpoint 4 2 x x 4 2 2 and 4 2 3 Hysteresis 4 2 x x Delay 4 2 x x Input Active 4 2 4 1 4 2 4 Signal Outputs 4 2 4 2 Output Control 4 2 4 3 Fault 4 2 4 4...

Page 93: ...m Low 5 3 1 5 x Case Temp high 5 3 1 6 Case Temp low 5 3 1 7 Relay 1 and 2 Function 5 3 2 1 5 3 3 1 5 3 2 5 3 3 Parameter 5 3 2 x 5 3 3 x Setpoint 5 3 2 x 5 3 3 x Hysteresis 5 3 2 x 5 3 3 x Delay 5 3...

Page 94: ...only be viewed not modified 2 1 Identification Designation View the designation of instrument Version Firmware of instrument e g V6 22 06 21 2 1 3 Factory Test Test date of the instrument motherboard...

Page 95: ...s current status of all in and outputs 2 4 1 2 4 2 2 5 Interface Only available if optional interface is installed Shows the programmed communication settings 3 Maintenance 3 1 Calibration In this men...

Page 96: ...2 4 Delay During regeneration plus delay time parameters 3 2 2 5 p 96 and 3 2 2 6 p 96 apply Range 0 6 000 Sec 3 2 2 5 Signal Outputs Select the operation mode of the signal outputs during regenerati...

Page 97: ...Adjust date and time 4 Operation 4 1 Sensors 4 1 1 Filter Time Constant Used to damp noisy signals The higher the fil ter time constant the slower the system reacts to changes of the measured value Ra...

Page 98: ...interface is in stalled The logger can save approx 1500 data records Records consists of Date time alarms measured value pH temperature flow 4 3 1 Log Interval Select a convenient log interval Consult...

Page 99: ...0 00 ppb 20 ppm 5 1 5 2 Standard 2 Solution 2 high concentration Select concentration at least 10 times higher than solution 1 Range 0 00 ppb 20 ppm 5 2 Signal Outputs 5 2 1and 5 2 2 Signal Output 1 a...

Page 100: ...linear or logarithmic scale In addition the midpoint for the bilinear scale Parameter Sodium 1 5 2 1 40 10 Range low 0 ppb 20 ppm 5 2 1 40 20 Range high 0 ppb 20 ppm Parameter Sodium 2 5 2 1 40 11 Ra...

Page 101: ...y the P Band In the steady state the setpoint will never be reached The deviation is called steady state error Parameters setpoint P Band PI controller The combination of a P controller with an I cont...

Page 102: ...fined process value Measured value or flow P Band Range below upwards control or above downwards control the set point within the dosing intensity is reduced from 100 to 0 to reach the set point witho...

Page 103: ...will be sudden ly reached by a D controller Range 0 9 000 sec 5 2 1 43 5 Control timeout If a controller action dosing intensity is constantly over 90 during a defined period of time and the process v...

Page 104: ...ontrol out puts are held in the operating mode Range 0 00 28 800 sec 5 3 1 3 Alarm pH Define the measuring value which should issue an alarm high respectively low 5 3 1 3 1 Alarm High If the measured...

Page 105: ...m Low If the measuring values falls below the programmed val ue E010 will be issued Range 5 1000 B s 5 3 1 5 Sample Temperature Define the measuring value which should is sue an alarm high respectivel...

Page 106: ...hen enter the necessary data depending on the selected function When the relays are used as upper or lower limit switches program the following 5 3 2 20 Parameter select a process value 5 3 2 300 Setp...

Page 107: ...cy Motor valve Examples of metering devices that are driven time proportional are solenoid valves peristaltic pumps Dosing is controlled by the operating time 5 3 2 32 20 Cycle time duration of one co...

Page 108: ...the programmed time scheme 5 3 2 24 Mode Operating mode interval daily weekly 5 3 2 340 Interval The interval can be programmed within a range of 1 1 440 min 5 3 2 44 Run Time Enter the time the relay...

Page 109: ...5 3 2 6 Signal Outputs see Interval 5 3 2 7 Output Control see Interval The relay contact can be activated at one or several days of a week The daily starting time is valid for all days 5 3 2 342 Cale...

Page 110: ...Sample Stream Option via an external device 5 3 4 1 Active Define when the input should be active The measurement is interrupted during the time the input is active 5 3 4 2 Signal Outputs Select the...

Page 111: ...lt All other values are kept in memory In parts Communication parameters are kept in memory All other values are set back to default values Completely Sets back all values including communication para...

Page 112: ...number 5 4 6 Line Break Detection Define if message E028 should be issued in case of a line break on signal output 1 or 2 Choose between Yes or No 5 5 Interface Select one of the following communicati...

Page 113: ...oading at www swan ch Catalogue No Product name A 87 729 010A Etching Kit A Catalogue No Product name A 87 729 010B Etching Kit B Catalogue No Product name A 85 141 400 Sodium Standard Solution 1 000...

Page 114: ...on Signal Output same as in Installation Relay 1 and 2 same as in Installation Input same as in Installation Logger Logger Interval 30 min Clear Logger no Installation Sensor Sensor type Sodium Temper...

Page 115: ...C Case temp low 0 C Relay 1 and 2 Function Limit upper Parameter Relay1 and 2 Soduim 1 Setpoint Relay1 and 2 1 00 ppm Hysteresis 10 ppb Delay 30 s If Function Control upw or dnw Parameter Sodium 1 an...

Page 116: ...Timeout 0 min Settings Actuator Time proportional Cycle time 60 s Response time 10 s Settings Actuator Motor valve Run time 60 s Neutral zone 5 If Function Timer Mode Interval Interval 1 min Mode dai...

Page 117: ...e 95 Identification 94 Input 43 Instrument Setup 21 Interface 93 95 HART 48 Modbus 47 Profibus 47 USB 48 L Logger 114 Longer Stop of Operation 83 M Maintenance Reference electrode 64 Sodium electrode...

Page 118: ...AMI Sodium P Index A 96 250 211 171121 118 Sensors 92 94 114 Signal Outputs 46 92 114 Simulation 97 Software Structure 56 T Temperature 95 Terminals 41 43 44 47 U USB Interface 48 W Wire 39...

Page 119: ...A 96 250 211 171121 AMI Sodium P Notes 119 13 Notes...

Page 120: ...ast e t W a e r E f u e n t s P o o l S a n i t a r y Swan Analytical Instruments CH 8340 Hinwil www swan ch swan swan ch Swan Products Analytical Instruments for Swan is represented worldwide by sub...

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