IMMERSION PROBE
Contents
1. preset Consider that redox potential measurement depends on all oxidants and reducents in the solution and not only to a specific ion Therefore it is necessary to repeat calibration when and if the composition of the sample solution changes in time On the contrary if solution keep constant its characteristics calibration is not necessary 8 3 Dissolved oxygen measurement system calibration Zero point in dissolved oxygen analyzer is usually factory set and so doesn t require further calibrations The recommended calibration procedure for this analyzers is the following expose oxygen sensor to air keeping possibly in the shade wait until sensor s signal stabilizes measure the room temperature of the position where the probe is located and get from the following chart the ppm oxygen value to calibrate correct slope on the electronics on the basis of the value read on the chart CHART 1 OXYGEN PPM VALUES TO USE FOR AIR CALIBRATION DEPENDING ON ALTITUDE AND TEMPERATURE 775 mmHg 760 mmHg 750mmHg 725mmHg 700 mmHg 675 mmHg CO 20m EIA feom fesom po 149 i46___ isa fiss __nss 129 e 127 i25 __ i23 __ ime ns i s pei pms Mr M3 pos pos pm mos Mo pos wo bi 4 ios os tS ne 101 jes jes _ es J91 88s 2a joo Jess Jez lez Jef 78 3 78 jz 6 O68 32 76 74 73 __ zo les O 34 73 772 7a Jes ss fra vo ss As a rule zero point doesn t require calibration It is howeve2. ruptures during transport failures due to uncorrect use to negligence to wrong power supply connection all the consumable and weary parts and all accessories Warranty does not cover products that have been tampered with or repaired by non authorized personne Warranty does not cover requests for service Any disputes arising shall be settled in the Court of Milan under Italian law and commercial customs 1 0 AN OUTLINE OF THE APPARATUS 1 1 Applications The SI 32 immersion electrodes holder probe is built to house one of the following measurement electrodes pH redox ISE conductivity dissolved oxygen and temperature and to allow direct insertion in basin tanks or canals The extremely strong and compact built guarantees electrodes protection even in serious applications The probe has a sliding flange that simplifies mounting on wall or on tub rim The 300 mm version of the Sl 32 can be set up on a floating 1 2 Measurement types The Sl 32 probe can host one electrode for pH redox ISE conductivity dissolved oxygen and temperature measurements Electrodes that can be installed are MEASURE DESCRIPTION Mod pH Combined electrode 101 V o 101 GEL Redox Combined electrode 201 V Pto Au o 201 GEL Pt o Au Conductivity Conductivity sensor 401 L K1 D O Dissolved oxygen sensor 332 P Temp Temperature sensor Pt100 PtL On demand we can install beyond pH DO or conductivity electrode a temperature sensor fixed in th
3. to Fig 4 SI 32 assembling scheme and to the following chart Remember to mention in the possible order model and serial number of your product as well as the spare part code of the required component J i j y E if the probe length is less than two metres these items are not present Fig 4 SI 32 ASSEMBLING SCHEME 10 SI 32 SPARE PARTS Fig 4 S32 001 32 002 C O j S32 003 PVDF 2 ss2005_ RUBBER FAIRLEAD 34 21 2300 PVC 3 32 007 EA ___ P 4 fio _ pHELECTRODDE j_l _ 4 401 N DG SM__ pH ELECTRODE 1 201 N PtO Au REDOX ELECTRODE ____ 4 201 N PtO Au REDOX ELECTRODE _________ j yji J M 4 401 L K1 CONDUCTIVITY ELECTRODE j __ 4 332 P____ DISSOLVED OXYGEN ELECTRODE W 1 4 PuL TEMPERATURE SENSOR ____L________L 5 32 011_ ____ ORPUSHER_ PP 6 11 S32 014 OR SPARE KIT 1 lt contains n 1OR 115 11 91x2 62x17 15 Pos 6 n 3 OR2100 25 12x1 78x28 68 Pos 11 7 32 016_ NIPPLE WITH THERMORESISTANCE for Sl 32 C__ PP__ H S32 020 NIPPLE WITHOUT THERMORESISTANCE forSI 32__ PP 1 8 32 023 PROTECTION PV 8 32 024_ ____ PROTECTION CPP 8 932 025 ____ PROTECTION PD 8 PROTECTION 9 32 027_ ____j PROBE EXTENSION PV 9 32 028 _____ PROBE EXTENSION PP 9 32 029 PROBE EXTENSION PVDF 532 032 _____J NIPPLE FOR PROBE EXTENSION PP S32 035 DN25 PROBE SUPPORT FLANGE re Sal Buffered solution Bottles value
4. A 250 cc B 500 cc C 1000 cc 11 1 Information for full Sl 32 probe order Material Length PVC 1 1 600 mm PP 2 2 800 mm PVDF 3 3 1000 mm INOX 4 4 from 1000 to 1500 mm on demand 12 0 RETURN FOR REPAIR Should any equipment misfunctioning appear pls contact our Technical Department Should the equipment be broken or faulty pls proceed to return for rapair as described hereafter 12 1 Procedures under the care of customer Fill in each part the enclosed REPAIR REVISION CALIBRATION sheet Attach the form to the equipment and ship them to The material will be sent ex warehouse To avoid unpleasant trouble we inform the Customers that carriage forward shipping will not be accepted 122 Repair procedure When the material with the form REPAIR REVISION CALIBRATION will be received we will send as soon as possible an estimated cost before proceeding to any intervention on the equipment To each equipment received for repair or revision we assign a number that will be used as the reference for all the techniacl and commercial information No intervention will be carried out on the equipment without previous customer written approval Should the the repair cost estimate require some work a minimum of 150 000 ltl will be invoiced even if the customer does not confirm the approval to repair Repairs under warranty won t be invoiced except for freight cost that will always be charged to customer Shoul
5. ENT J lkd keke ek kk ek kk k kk ke kk KAKA KAKA KAKA KARA 9 11 0 SPARE PAR Tis vidi Oran ana tad 10 11 1 Information for full Sl 32 probe order ooccccncccinococonocinccccconcccnonnnanannnancccnnccninos 12 12 0 RETURN FOR REPAIR 2 2344 kn d a tee Gated 12 12 1 Procedures under the care Of CUStOMED LL k 12 12 2 Repair DIrOCO QUT 5 44 x4a a21135322244343955014322 5054554 AE ESERSE WARA 4 RE IAEE HER REE 12 REPAIR REVISION CALIBRATION SHEET oeeie 15 TABLE OF CONTENTS As the first thing thank you for your choice Our products are manufactured according to ISO 9001 procedures to assure maximum reliablity in any application even in worst conditions WARRANTY CONDITIONS All our products after manufacturing process are subject to restrictive tests and are warranted for 12 months from purchase date Should any component fail during warranty period our Company will repair or replace at no charge after having verified cause of failure Warranty doe not include complete instrument replacement and our Company will reject any request of indemnity for damages Repair on warranty is intended at our Service Department ex works transport expenses are on customer charge The customer is kindly requested to send the REPAIR REVISION CALIBRATION SHEET fully filled in together with the instrument and to retain the original invoice or packing list as a purchase evidence Warranty does not include accidental
6. IMMERSION PROBE USER MANUAL Nr 135 EDITION 05 99 rev 0 Par Pag 1 0 AN OUTLINE ON WATER DISINFECTION lk i kk ek ek kk kk kk kk WARRANTY CONDITIONS 4 i 4ca cas idad 3 1 0 AN OUTLINE OF THE APPARATUS ccococccococcconcnonnnnnnnnanannnnnanconanna naar nnnannccnns 4 1 1 Applications i yan a dun ela k arial 4 1 2 Measurement types siy yk bkain Kia ker Raa ean KA b r A de EWA Ka k b r AK En en y KARA b ka aa D RA dj 4 2 0 DESCRIPTION Fation a aa a A e 4 2 1 Full measurement SySteM oooconnccccconoccconononcncno nono nn nn nono kaka ak kak kk KAK kk KAKA RA 4 2 2 Saz N ND r g AnaR 5 3 0 TECHNICAL CHARACTERISTICS 4 5i 11x45 tx 1al 0 4an lea sala u xalen kal daa x R 5 4 0 DIMENSION S aa eaaa li ita 5 5 0 SETUR A A Abit 6 6 0 ELECTRICAL CONNECTIONS 4 keke kk kek kek kk ke kk KAKA KAKA KAKA KARA 6 7 0 SAR J HIM PEV N Se RE a KO Na A Se ha setter KRDN 6 8 0 CALIBRATION O DY N DD tes DD DD 6 8 1 pH measurement system calibration ui kk kk 7 8 2 ORP measurement system Calibration L ke 7 8 3 Dissolved oxygen measurement system calibration 8 8 4 ISE measurement system Calibration ecccceeeeceeeceeeeeeeeeeeseeeeeseaeeeeeeeeeeees 8 8 5 Conductivity measurement system Calibration E U 9 9 0 USE AND MAINTENANCE 4 eke ek kek ka ka KA KA KAKA KAKA r KA r KA kk KA kk A 9 10 0 ELECTRODES REPLACEM
7. NSOR UNIT Body material Dimensions Wires outlet Max working temperature considering the electrodes max temperature Max stocking temperature Max pressure Dip depth Fixing sliding flange W eight Max distance from the electronic unit 4 0 DIMENSIONS PVC PP PVDF or INOX on demand 32 under flange standard length standard 600 mm 800mm 1000 mm 1500 mm o demand also available the 300 mm version for floating set up fairlead on probe s superior side PVC 60 PP 70 C PVDF 90 C INOX 120 C 0 60 C depending on the electrode type inserted depending on probe length min immersion depth 100 mm DN25 about 0 4 kg for the 600 mm version 50 m stopped wires Fig 2 SI 32 IMMERSION PROBE OVERALL DIMENSIONS 5 0 SET UP CAUTION The measurement and reference electrodes mounted in the probe are provided with protection cap Remember to remove before use Fig 3 shows an example of typical set up of the SI 32 immersion probe and an example of floating probe set up Place the probe in the process vertically by means of the rest flange DN see fig 3 and properly ad just immersion depth using the two inox screws sideways to the flange min immersion depth 100 mm make always sure that process liquid is moved and stirred and that the probe is set up in a representative position It is now necessary to realize elect
8. d any information be required pls contact our technical and commercial department REPAIR REVISION CALIBRATION Company Mod N Address ij j L TER k bk E k j Y Serial N Town Nation Tel Fax Purchase date Type of operation Repair Revision Calibration Detected fault As the good has been received At start up After apprx During calibration procedure Intermittent Steady Detected fault Riservato al costruttore Date Rip n Invoice n dated Cost estimate n of Lit Remarks Equipment return Customer carrier Name Tel Address Our carrier with 25 000 Itl charge on invoice up to 0 3 kg and 30 000 lil charge up to 20 kg VAT NOTE if written approval for reapair is not received within 40 days the goods will be returned with our carrier with a charge of 200 000 Itl on invoice p e ele
9. e ring nut electrodes holder 2 0 DESCRIPTION 2 1 Full measurement system The full measurement system is composed by the measurement electrode inserted in the sensor holder probe by the temperature sensor if required inserted in the electrode holder ring nut by the possible branch box and by the electronic unit related to the parameter to measure Fig 1 FULL MEASUREMENT SYSTEM 2 2 Realization The Sl 32 probe is made of a PVC cylindrical body PP PVDF or INOX on demand Y 32 mm and a standard length of 600 mm 800 mm 1000 mm 1500 mm on demana the 300 mm version for set up on a floating is available on demand In the lower part of the body is screwed a waterproof sensor holder rest in which can be inserted one of the electrodes described in 1 2 O rings guarantee the electrode seal The electrodes holder rest is threaded in the lower part and here the electrodes protection ring nut is screwed The DN25 sliding flange can be positioned along all the probe body To stop tighten the two socket head screws On the superior part of the probe is mounted a closure cap while the connection wire to the transmitter exit by means of a waterproof fairlead on the superior part of the probe body 3 0 TECHNICAL CHARACTERISTICS Electrodes number 1 on demand temperature sensor inserted in electrode holder ring BRANCH BOX OPTIONAL EMTEA ZERO O NX 1 HE KE E u lU ELECTRONIC MEASUREMENT SE
10. eaker restore electrodes protection then reinstall the probe in the process Now the analyzer can be set at work 8 2 ORP measurement system calibration The redox potential measurement chain is composed by a metallic usually Gold and Platinum measurement electrode and by a reference electrode Redox potential measurement doesn t require any calibration for operating Potential provided by the electrodes chain is the addition of the constant reference electrode potential and by the sample liquid redox potential The resultant of those potentials could not be in the measurement range of the instrument For this reason ORP measurement electronics are equipped with an asymmetry command that allows to algebraically add to the potential provided by the electrodes chain a potential that brings back the measurement in the transmitter scale To realize this it is necessary to follow those steps Wash the probe s edge with water and plunge it into the sample fluid This must already have a pH value suitable to the reaction we want to realize Wait for some minutes until measurement stabilizes If transmitter s indicator moves beyond full scale verify if connections are correct Operate on the potentiometer or on the zero calibration point until the zero value is showed on the electronic Now the analyzer can be set at work From this moment readings will indicate redox potential variations in the sample liquid compared to the zero point
11. leaning the sensor to regularly depending on direct experience verify the measurement and if necessary recalibrate it to verify the measurement proceed either with a portable measurer opportunely calibrated or plunging the probe into a solution with a known concentration of the measurement parameter and verifying that reading matches with such value To diminish cleaning operation frequency it is possible to acquire by your provider the chemical cleaning kit Mod SI CH AP and the board to control cleaning sequence Mod QAPCH 10 0 ELECTRODES REPLACEMENT Refer to fig 4 SI 32 Assembling scheme for a better comprehension of the following description Unscrew the electrode holder 7 from the probe s body 9 making sure not to twist cables Take out the electrode holder joint sliding cable through probe s body Extract the electrode to substitute from electrodes holder joint pulling up We recommend to substitute the specific O Ring 6 when the electrode is replaced Replace the broken electrode and position it to obtain the correct projection Reassemble the probe and close it again executing the above instructions in opposite direction DOU ON S Note If the shielded cable of the measurement electrode has to be restored for pH redox and ISE ensure that the black semi conductive sheath located between the shielding and the internal wire polyethylene protection is removed for at least 20 mm 11 0 SPARE PARTS Refer
12. nt for each measurement chain calibration realize the standardization of those little differences The pH chain calibration is made by means of buffered solutions Procedure to apply depends on the type of electronic unit connected calibration with potentiometer or with keyboard and display For further details refer to user manuals of different electronic unit We suggest to use the specific calibration glass request to your provider Mod 32 TAR CAUTION Never dry the electrode rubbing it with rags paper or other materials electrodes have an high ohmic resistance and rubbing the glass membrane produces a strong polarization of the electrode reducing in this way up to 90 its answering speed to pH variations If so before any calibration wait for 10 15 min by leaving electrode plunged in water or in the buffered solution Unscrew and remove the electrodes protection Clean electrodes before proceeding In the clean beaker pour a quantity of a pH 7 0 buffered solution enough to wet the electrodes hold the probe vertically and tighten the beaker Allow that reading stabilizes then do zero calibration in the electronic Then remove the beaker throw the pH 7 0 buffered solution and rinse pour the pH 4 0 buffered solution or other solutions till the right level rinse the electrode and screw the beaker Allow the reading stabilizes then calibrate slope on the electronic according to the pH of the buffered solution used Remove the b
13. r possible to verify calibration as follows fill a container big enough to contain the probe s trailing with distilled or light water melt in approx 1g l of sodium sulfite a reducent that eliminates all oxygen from the solution Allow the sensor stabilization and zero calibrate if necessary Now the analyzer can be set at work 8 4 ISE measurement system calibration In calibrating selective ions analyzers we recommend to carefully follow instructions supplied with each ISE sensor This because they are so different each other in shape slope and in use 8 5 Conductivity measurement system calibration For conductivity measurement system calibration it is necessary to acquire at least one standard solution with known conductivity value the solution type is related to the full scale of the analyzer Then proceed as follows Unscrew the electrodes protection from the probe rinse and drip the electrode fill to the correct level calibration beaker and insert the electrode Wait for some minutes until reading stabilizes and verify if reading of the electronic matches with standard solution value lf necessary correct slope working on electronic unit Restore electrodes protection then reinstall the probe Now the analyzer can be set at work 9 0 USE AND MAINTENANCE We recommend to regularly clean sensor Frequency depends on the process type and will be established on a direct experience basis We also recommend after c
14. rical connections E Q 2 E MM Cn eu za nA DA E A NEWE NEK T N Fig 3 SI 32 PROBE TYPICAL SET UP 6 0 ELECTRICAL CONNECTIONS Sensor is supplied complete with its wire Realize connection in the electronic unit following instructions in the specific user manual CAUTION Connection wires to the electronic unit must be steady set up and don t have to pass together with other cables This eliminates troubles and interferences and allows to set up the probe to a distance up to 50 m from the electronic unit 7 0 STARTING Once the probe is set up and connections to the electronic unit are realized let operate the measurement chain for half on hour to let the reading stabilize then proceed with calibration 8 0 CALIBRATION After conditioning period 1 2 hour calibration can start Following procedure mainly refer to sensors the correct procedure to follow in calibrating electronics depends on the electronic unit type used and can be found in the specific user manual 8 1 pH measurement system calibration pH measurement chain is composed by a measurement electrode and by a reference electrode voltage produced by such a chain depends on different factors the measurement electrode potential the reference electrode potential the glass membrane potential the potential due to the solution pH value So even if the pH equality in the sample solution potential produced will be slightly differe
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