PH4/OR4 Sensor Series pH and ORP Sensors
Contents
1. PV Vinyl Chloride option code HPV or titanium option code TN ORP element Pt Wire Pt Ring Reference electrode None Available Silver ion trap gg Flow through holder PH8HF Submersion holder PH8HS 9 10 Note Above sensors cannot be used outdoors or with a guide holder Installation from lower position or a horizontal position is not possible Install to the vertical position of more than 15 degrees against the horizontal portion ak The upper limitation of hydrofluoric concentration is below pH 3to4 Maximum 1000 ppm pH 4to5 Maximum 10000 ppm Over pH 5 No upper limitation 2 See Table 1 when using with holder excluding PH4FE 7 PH4C PH4CT and OR4C are subject to restriction of the inner pressure which remains in the sensor 4 When used in solution contains organic solvents Polymer may be eroded and cannot be used for long term 5 Select manual temperature compensation on the converter or transmitter 6 Use adapter with temperature sensor SA405 for application where temperature varies T Shaft Length in case of PH4FE 8 Option code PF Perfluoroelastomer FFKM can be selected for O ring material when used pH sensor excluding PH4FE 9 An option adapter is needed but not needed when using the adapter with temperature sensor SA405 Ultrasonic cleaning is not available Use a holder with jet cleaning equipment when automatic cleaning is necessary Use O ring covered by Teflon K9148MR whe2. E PH4PT Polymer Electrolyte pH Sensor with RTD PH4FT HF Resistant pH Sensor with RTD PH4CT pH Sensor for Chemical Process with RTD Unit mm m OR4P Polymer Electrolyte ORP Sensor Unit mm E OR4C ORP Sensor for Chemical Process Unit mm IM 12B10B00 01EN 1st Edition Aug 12 2015 00 10 E PH4FE pH Sensor for Fermentation Unit mm L 203 L 120 200 250 Approx 12 S7 Electrode solution e Inner solution refilling vent Inner solution e Cable S8 S7 cable for PH4P OR4P PH4F PH4C OR4C PH4FE Unit mm Approx 5 Approx 6 5 Approx 100 1 Approx 90 Cable length approx 3m 5m 10m 15m 20m Le gt Terminal Type D Terminal Type F G Note There is no terminal type F or G for PH4FE IM 12B10B00 01EN 1st Edition Aug 12 2015 00 11 VP6 cable for PH4PT PH4FT PH4CT Unit mm Cable length approx 3m 5m 10m 15m 20m Approx 67 5 L Unit mm IM 12B10B00 01EN 1st Edition Aug 12 2015 00 6 1 6 2 12 e Adapter with temperature sensor SA405 Unit mm 132 L 270 50 i 105 L 3 5 10 15 20m 05 Temperature sensor 438 Pt 1000 030 5 Adapter Ring terminal Pin terminal Fork terminal EE DES ymer er emir estgr Use This sensor is only to be used for the intended purpose and under safe conditions Imp
3. PH4P PH4PT OR4P PH4F PH4FT Ethylene Propylene K9691KB For PH4C PH4CT OR4C Diene Rubber EPDM Electrolyte Viscous 3 MKCI LR K9691KK For PH4FE 500mL Buffer solution for calibration pH4 K9084LL Six 250 mL polyethylene bottles Buffer solution for calibration pH7 K9084LM Six 250 mL polyethylene bottles Buffer solution for calibration pH9 K9084LN Six 250 mL polyethylene bottles Powder for buffer solution pH4 K9020XA 12 bags each for preparation of 500 mL Powder for buffer solution pH7 K9020XB 12 bags each for preparation of 500 mL Powder for buffer solution pH9 K9020XC 12 bags each for preparation of 500 mL Reagent for ORP Quinhydrone K9024EC 3 bags each for preparation of 250 mL check Iron K9024ED 3 bags each for preparation of 250 mL Note The pH value of the calibrating buffer solution may vary depending on storage conditions IM 12B10B00 01EN 1st Edition Aug 12 2015 00 4 Wiring Diagrams Mark alphabet number of cable core of pH sensor depends on terminal form e In case of PH40 PH4FE pH sensor OR40 ORP sensor Mark of cable core of pH sensor Mark of terminal of Converter Transmitter FLXA21 PH400G PH202 PHAC PH450 16 S PH4FE O orap GE 15 O 15 GE ORAC SE 4 nl 14 SE RE 13 O 13 RE O 12 T2 O 1 T1 Fora Note Since RTD is not available there is no wire connection to Converter Transmitter 11 T1 or 12 T2 There is no wire connection to Converter Transmitter 16 S e
4. slope Some of harsh measurement conditions might shorten life cycle There is also a slight ageing factor during storage therefore avoid a long period of storage Use within a year is recommended O rings are subject to wear and tear and should be replaced regularly at least once per year Refer to spare parts regarding the parts number of O rings For Models PH4C PH4CT OR4C The new sensor is pre pressurized at about 250 kPa This pressure after one year at the liquid junction will decrease to about half at normal ambient temperatures and atmospheric pressure Taking this decrease into account use the sensor If the pressure of a sample solution becomes higher than the inner pressure of the sensor the solution will permeate gel electrolyte in the sensor As a result the sensor can become unusable Arough change of the sensor inner pressure can be known by the air layer length of a narrow tube in the sensor The higher the internal pressure the shorter the air layer For with RTD Models PH4PT PH4FT PH4CT Sensors with a VP type connection have a built in temperature sensor Pt1000 This temperature sensor is to be used only to compensate the pH signal and not to control process temperature IM 12B10B00 01EN 1st Edition Aug 12 2015 00 15 Revision Record Manual Title PH4 OR4 Sensor Series pH and ORP Sensors e Manual No IM 12B10B00 01EN Aug 2015 1st Edition Newly published IM 12B10B00 01EN 1st Ed
5. H4FT PH4CT Terminal Type D 5m K9691NB 10m K9691NC 15m K9691ND 20m K9691NE IM 12B10B00 01EN 1st Edition Aug 12 2015 00 Part Part Name Number Remarks 3m K9691PA For PH4P OR4P PH4F PH4C OR4C PH4FE 5m K9691PB 10m K9691PC Pin Terminal Cable for 15M K9691PD PH202 FLXA21 20m K9691PE 3m K9691QA For PH4PT PH4FT PH4CT Terminal Type E 5m K9691QB 10m K9691QC 15m K9691QD 20m K9691QE 3m K9691RA For PH4PORA4P PH4F PH4C OR4C 5m K9691RB 10m K9691RC M4 Ring Terminal 15m K9691RD Cable for FLXA21 20m K9691RE 3m K9691RN For PH4PT PH4FT PH4CT Terminal Type F 5m K9691RP 10m K9691RQ 15m K9691RR 20m K9691RS 3m K9691SA For PH4P OR4P PH4F PH4C OR4C 5m K9691SB 10m K9691SC M3 Ring Terminal 15m K9691SD i E 20m K9691SE 3m K9691SN For PH4PT PH4FT PH4CT Terminal Type G 5m K9691SP 10m K9691SQ 15m K9691SR 20m K9691SS Stainless Steel SUS316 K9148NA For PH4P PH4PT OR4P PH4F PH4FT PH4C Option code S3 PH4CT OR4C Polypropylene K9148NB Option code PP Rigid Polyvinyl Chloride K9148NC Adapter Option code PV Heat resistant Vinyl K9148ND For PH4C PH4CT OR4C Chloride Option code HPV Titanium K9148NE Option code TN Perfluoroelastomer K9319RJ For PH4P PH4PT PH4F PH4FT PH4C PH4CT FFKM Option code PF O Ring Fluororubber FPM K9691KA For
6. In case of PH4LIT pH sensor with RTD Mark of cable core of pH sensor Mark of terminal of Converter Transmitter sae FLXA21 PH400G PET GE 15 O 16 5 SE 14 5 15 GE SE 14 I 14 SE RE 13 O 13 RE T2 12 On T2 HEI O 11 TI Foza Note 2 cable cores of pH sensor should be connected to the terminal of Converter Transmitter 14 SE There is no wire connection to Converter Transmitter 16 S e When using Terminal box WTB10 No combination with SA405 WTB10 PH1 3 5 1 Terminal Box pH Converter Transmitter PH4P i 016 I UE me pool I 1304 i 0120 i Jomo 14 Combination with SA405 WTB10 PH2 4 6 1 Terminal Box pH Converter Transmitter PH4P 016 PH4F 015 0 4 012044 Xo1104 Wb Refer to Table 2 for WTB10 type 2 pH sensor with RTD WTB10 PH1 3 5 1 Terminal Box pH Converter Transmitter PH4PT PH4FT PACT ORP sensor WTB10 PH1 3 5 1 Terminal Box ORP Converter Transmitter OR4P OR4C F03 ai Terminal box is used only where pH ORP transmitter is installed remotely from pH or ORP sensor normally not needed This cable is specified in the option code for the terminal box IM 12B10B00 01EN 1st Edition Aug 12 2015 00 5 Dimensions m PH4P Polymer Electrolyte pH Sensor PH4F HF Resistant pH Sensor PH4C pH Sensor for Chemical Process Unit mm
7. PH400G Fork Terminal Ki Cable for PH202 FLXA21 Pin Terminal Cable for FLXA21 M4 Ring Terminal Cable for PH450G PH202 TB M3 Ring Terminal No Cable 2 Always N Adapter 4 S3 Stainless Steel SUS316 Polypropylene Rigid Polyvinyl Chloride Heat resistant Vinyl Chloride Titanium O Ring PF Perfluoroelastomer FFKM 5 Mi PH4C can be used with the adapter with temperature sensor SA405 2 When using sensor only select cable length 00 and Terminal type N SCH When using Terminal box refer to Table 2 4 This is needed when using the holder PH8HS or PH8HF However when PH4C is used with the temperature sensor SA405 the option adapter is not needed 5 Select perfluoroelastomer when sensor is used in organic solvent high alkaline or high temperature alkaline solution Suffix Code Option Code Specifications ORP Sensor for Chemical Process Insertion Length 120 mm Cable Length No Cable 1 Terminal Type Cable for PH400G Fork Terminal 2 Cable for PH202 FLXA21 Pin Terminal Cable for FLXA21 M4 Ring Terminal Cable for PH450G PH202 TB M3 Ring Terminal No Cable 1 Always N Adapter 3 S3 Stainless Steel SUS316 Polypropylene Rigid Polyvinyl Chloride Heat resistant Vinyl Chloride Titanium Wb When using sensor only select cable length 00 and Terminal type N 2 When using Terminal box refer to Table 2 3 This is needed when using the h
8. User s Manual PH4 OR4 Sensor Series pH and ORP Sensors IM 12B10B00 01EN vigilant ant YOKOGAM 9 IM 12B10B00 01EN i i 1st Edition Yokogawa Electric Corporation Introduction Thank you for purchasing the PH4 OR4 Sensor Series pH and ORP Sensors Please read the following respective documents before installing and using the sensors This manual is applied to the following sensors PH4P Polymer Electrolyte pH Sensor PH4PT Polymer Electrolyte pH Sensor with RTD OR4P Polymer Electrolyte ORP Sensor PH4F HF Resistant pH Sensor PH4FT HF Resistant pH Sensor with RTD PH4C pH Sensor for Chemical Process PH4CT pH Sensor for Chemical Process with RTD OR4C ORP Sensor for Chemical Process PH4FE pH Sensor for Fermentation Other relevant models are described in the following manuals Equipment Model Model name Manual Holder PH8HS Submersion type holder IM 12B07M01 E PH8HF Flow through type holder Adapter Option code this manual SA405 Adapter with temperature sensor Transmitter FLXA21 2 Wire Analyzer IM 12A01A02 01E etc PH450G pH ORP Converter IM 12B07C05 01E Terminal box WTB10 Terminal box IM 19D01B01 01E Distributor PH201G Distributor IM 19B01E04 02E VJA1 MA1 etc Distributor IM 77J01A01 01E IM 77J04A01 01E etc Accessories PH8AX Accessories for pH meter IM 12B07W03 01E OR8AX Accessories for ORP meter IM 12C04W02 01E Check the following when you receive t
9. cification for adapter with temperature sensor SA405 PHAP PH4F PH4C Pt1000 Wetted part Temperature sensor Adapter materials Hastelloy C Hastelloy C Stainless steel SUS316 PEEK titanium titanium Applicable holder Flow through holder PH8HF Submersion holder PH8HS Model and Suffix Codes Suffix Code Option Code Specifications Polymer Electrolyte pH Sensor 1 Polymer Electrolyte pH Sensor with RTD HF Resistant pH Sensor 1 HF Resistant pH Sensor with RTD Insertion Length 120 mm Cable Length No Cable 2 Terminal Type 3 Cable for PH400G Fork Terminal Cable for PH202 FLXA21 Pin Terminal Cable for FLXA21 M4 Ring Terminal Cable for PH450G PH202 TB M3 Ring Terminal No Cable 2 Adapter 4 IS3 Always N Stainless Steel SUS316 Polypropylene Rigid Polyvinyl Chloride O Ring PF Perfluoroelastomer FFKM 5 PH4P and PH4F can be used with the adapter with temperature sensor SA405 When using sensor only select cable length 00 and Terminal type N KS When using Terminal box refer to Table 2 4 This is needed when using the holder PH8HS or PH8HF However when PH4P or PH4F is used with the temperature sensor SA405 the option adapter is not needed KN Select perfluoroelastomer when sensor is used in organic solvent high alkaline or high temperature alkaline solution IM 12B10B00 01EN 1st Edition Aug 12 2015 00 Table 2 Selection
10. e holder and fix the adapter by screwing the nut IM 12B10B00 01EN 1st Edition Aug 12 2015 00 6 4 6 5 6 6 14 e For use of the model PH8HS submersion holder 1 Remove the protector and piece of foam rubber This rubber is for transportation 2 Pass the O ring through the cable and mount it to the upper side of the adapter Refer to the O ring position in below figure 3 Pass the cable through the holder from the protector attachment side and fix the sensor by the protector 4 Fix the sensor cable to the holder Thread for attaching to the sensor O Ring position for using the PH8HS holder O Ring position for using the PH8HF holder Adapter Storage Sensors should be stored with the storage cap attached containing 1 5 to 2 mL of 3 3 mol L KCI solution Sensors stored dry exhibit temporary drifting values If the sensor dries out inadvertently it can be placed in 3 3 mol L KCI solution or pH standard buffer solution overnight to regenerate Regenerating Entire regenerating is not always guarantee pH Immerse sensor for 10 min in 0 1 1M NaOH then for 10 min in 0 1 1M HCI After regeneration place the sensor in 3 3 mol L KCI solution for a further 15 min ORP Metal surfaces can be cleaned with slightly abrasive substances such as toothpaste or very fine scouring powder General The life cycle of sensors is determined by requirements regarding response time zero point and
11. estecccsncccresectetenteseencedecccesseceneenectseneeexe 3 4 Wiring DiagramS unnsette 8 5 Dimensions siiis anionen riana i eee ieee 9 6 FT sh ace EEE T 12 6 1 Preparing eeere ee Ee REA tice 12 6 2 Electrical ue DE 12 6 3 Procedure for Assembling of Sensor into Holder rs rrnvrnnvnnnvnnnvnnnvnnnvnnnvnnnen 13 6 4 SOLON AGO E 14 6 5 Regenerating ME 14 6 6 EC 14 Revision RE oo uo Maa et cases ca aaa cee eae E 15 IM 12B10B00 01EN 1st Edition Aug 12 2015 00 1 Application e Selection of pH sensor se pHsensor PH4P PH4F PH4C PH4FE Application PH4PT PH4FT PH4CT Contaminating and sulfide ion containing solutions o x x x Caustic electrolysis solutions x x o x Solutions containing organic solvents x x o o Waste water containing hydrofluoric acid 1 x o x x Fermentation sterilization process x x x o A Confirm the specifications of hydrofluoric acid concentration upper limit Note This table above is just for reference Consult sales personnel about selection of pH sensor e Selection of ORP sensor ORP sensor OR4P OR4C Application Platinum Platinum Cyanogen treatment x x Drainage treatment Chrome treatment ER P Contaminating and sulfide ion containing solutions o x Caustic electrolysis solutions x o Note This table above is just for reference Consult sales personnel about selection of pH sensor IM 12B10B00 01EN 1st Editi
12. he product e Appearance e Model Name on nameplate of sensor and Suffix Codes on nameplate of packing box If you have any questions contact our sales representative or your local distributor m Notes on Handling User s Manuals e Please hand over the user s manuals to your end users so that they can keep the user s manuals on hand for convenient reference e Please read the information thoroughly before using the product e The purpose of these user s manuals is not to warrant that the product is well suited to any particular purpose but rather to describe the functional details of the product e No part of the user s manuals may be transferred or reproduced without prior written consent from YOKOGAWA e YOKOGAWA reserves the right to make improvements in the user s manuals and product at any time without notice or obligation e Ifyou have any questions or you find mistakes or omissions in the user s manuals please contact our sales representative or your local distributor e Some drawings may be partially emphasized simplified or omitted for the convenience of description Media No 12B10B00 01EN 1st Edition Aug 2015 YK IM 12B10B00 01EN 1st Edition Aug 12 2015 00 All Rights Reserved Copyright O 2015 Yokogawa Electric Corporation Safety Precautions m Safety Protection and Modification of the Product In order to protect the system controlled by the product and the product itself and ensure safe operatio
13. ition Aug 12 2015 00
14. n observe the safety precautions described in this user s manual We assume no liability for safety if users fail to observe these instructions when operating the product If this instrument is used in a manner not specified in this user s manual the protection provided by this instrument may be impaired If any protection or safety circuit is required for the system controlled by the product or for the product itself prepare it separately Be sure to use the spare parts approved by Yokogawa Electric Corporation hereafter simply referred to as YOKOGAWA when replacing parts or consumables Modification of the product is strictly prohibited The following words are used in this manual CAUTION This symbol gives information essential for understanding the operations and functions NOTE This symbol indicates information that complements the present topic E Warning and Disclaimer The product is provided on an as is basis YOKOGAWA shall have neither liability nor responsibility to any person or entity with respect to any direct or indirect loss or damage arising from using the product or any defect of the product that YOKOGAWA can not predict in advance IM 12B10B00 01EN 1st Edition Aug 12 2015 00 PH4 OR4 Sensor Series pH and ORP Sensors IM 12B10B00 01EN 1st Edition CONTENTS Intro Co E i Stettin ii 1 Applicati i sisine aeaa araara aa araa 1 2 In le Le 2 3 Model and Suffix Codes sancccccciesecccssc
15. n using a special holder for electrolytic process for PH4C PH4CT or OR4C 10 PH4FE cannot be used with PH8HF or PH8HS When a holder is needed consult sales personnel IM 12B10B00 01EN 1st Edition Aug 12 2015 00 3 Table 1 Process Temperature Range Process Pressure Range Holder Holder Adapter Temperature Type Material Cleaner material PH ORP Range C Process Pressure 0 to 50 None PH4P PH4PT 0 to 100 4 Submersion PP SUS Atmospheric pressure PH8HS PH 2 to 14 0 to 50 Submersion depth Max 3m Provided 3 0 to 80 PH4F PH4FT o Nore pH 2 to 1110 to 50 Provided 3 PH4c PH4CT 01080 Spi Sipil H Flow pH 0 to 14 0 to 50 Atmospheric pressure to 500 kPa through None 0 to 80 H P 9 Provided 3 1500 to 1500 mV 0 to 80 0 to 100 4 PH4C PH4CT OR4C 5 Atmospheric pressure to 250 kPa 0 to 50 PVC Rigid Polyvinyl Chloride PP Polypropylene SUS Stainless Steel SUS316 Mi For Flow through types also refer to temperature and pressure diagram of Holder GS 12J05C02 00E 2 Stainless steel holder and stainless steel adapter should be used if the solution is pH 3 more acidmic 3 Only jet cleaning system can be used 4 When PH4F or PH4FT is used temperature upper limit is 80 C 5 Available measuring pressure decreases when the inner pressure of PH4C PH4CT or OR4C decreases Applicable sensors Temperature sensor Spe
16. of terminal box Terminal Type Sensor RTD SA405 D E F G PHAP Selected WTB10 PH2 WTB10 PH6 WTB10 PH4 EHAE None None WTB10 PH1 WTB10 PH5 WTB10 PH3 PH4PT PH4FT Available WTB10 PH1 WTB10 PH5 WTB10 PH3 PH4CT OR4P Obae None WTB10 PH1 WTB10 PH5 WTB10 PH3 PH4FE None Note For combined system with WTB10 maximum cable length including sensor cable length should be within 20 m Suffix Code Option Code Specifications Polymer Electrolyte ORP Sensor Insertion Length 120 mm Cable Length No Cable 1 Terminal Type PE Geese Cable for PH400G Fork Terminal Cable for PH202 FLXA21 Pin Terminal Cable for FLXA21 M4 Ring Terminal Cable for PH450G PH202 TB M3 Ring Terminal No Cable 1 Always N Option Adapter 3 S3 Stainless Steel SUS316 Polypropylene Rigid Polyvinyl Chloride Wl When using sensor only select cable length 00 and Terminal type N 2 13 When using Terminal box refer to Table 2 This is needed when using the holder PH8HS or PH8HF IM 12B10B00 01EN 1st Edition Aug 12 2015 00 Option Code Specifications pH Sensor for Chemical Process 1 pH Sensor for Chemical Process with RTD Insertion Length 120 mm Cable Length No Cable 2 Terminal Type Cable for
17. older PH8HS or PH8HF IM 12B10B00 01EN 1st Edition Aug 12 2015 00 Suffix Code Option Code Specifications Shaft Length pH Sensor for Fermentation 120 mm 200 mm 250 mm Cable Length No Cable 1 Terminal Type Cable for PH400G Fork Terminal Cable for PH202 FLXA21 Pin Terminal No Cable 1 Always N Wb When using sensor only select cable length 00 and Terminal type N e Adapter with temperature sensor SA405 Suffix Code Option Code Specifications Adapter with temperature sensor Measuring System for PH400G 1 for PH202 FLXA21 2 for FLXA21 4 for PH450G PH202 TB 3 Material of Temp Sensor Cover Adapter Hastelloy C Hastelloy C Stainless steel SUS316 PEEK Titanium Titanium Cable Length ed Mark band is shown by alphabet and fork terminals are used 2 Mark band is shown by numeral and pin terminals are used When terminal box is used select WTB10 PH2 3 Mark band is shown by numeral and M3 ring terminals are used When terminal box is used select WTB10 PH4 4 Mark band is shown by numeral and M4 ring terminals are used When terminal box is used select WTB10 PH6 e Spare Parts Part Name Bag Remarks 3m K9691MA For PH4P OR4P PH4F PH4C OR4C PH4FE 5m K9691MB 10m K9691MC Fork Terminal 15m K9691MD Gs Ge PH400G 20m K9691ME 3m K9691NA For PH4PT P
18. on Aug 12 2015 00 2 Specifications PH4P PH4PT OR4P PH4F PH4FT PH4C PH4CT OR4C PH4FE Measuring range pH 2 to 14 eeh pH 2 to 11 1 pH 0 to 14 se pH 0 to 12 0 to 105 C Measuring Sterilization temperature 2 ee SSES GA temperature maximum 130 C Measuring Atmospheric pressure to 1 6MPa Temperature 25 C Atmospheric pressure to Atmospheric pressure 2 Atmospheric pressure to 600kPa Temperature 100 C 250kPa 3 pressure to 600kPa ER Polymer electrolyte including KCI 4 High viscosity gel including KCI Kee M RTD None None None None Temperature element 5 6 Pt1000 None 5 6 Pt1000 5 76 Pt1000 None SR Diaphragm Open junction x 2 Ceramic junction x 1 ee Head form 58 VP6 58 S8 VP6 S8 VP6 58 S7 Cable S8 S7 VP6 S8 S7 VP6 S8 S7 VP6 S8 S7 Cable jacket e F material Polyvinyl Chloride PVC Cable measuring 20 to 30 to S 30 to 20 to 30 to temperature 70 C 70 C ka 70 C 70 C 70 C aker Insertion Length 120 mm k Glass tube 12 mm diameter Body Glass e eer Glass ee Glass EH Fluororubber FPM Ethylene Be ak Rubber _ ae Stainless steel SUS316 option material Stainless steel SUS316 option code S3 code ZS Polypropylene option Ad code PP Rigid polyvinyl chloride apter _Polypropylene option or deg option code PV Heat resistant CE or Rigid polyvinyl chloride option code
19. pressure is sufficient for inserting it If a strong pressure is needed to insert it the connection position will be incorrect Check the position and re try After inserting the sensor connector completely grip the portion A and rotate the cap nut B portion clockwise until the nut cannot rotate Gripping the portion A and rotate the cap nut B portion un clockwise After loosing the nut completely grip and pull the plastic portion of the sensor from the cable connector CAUTION Do not grip or rotate the glass body of the sensor but the plastic body of the connector If the glass body is gripped the sensor may be broken B Recess for positioning the sensor and cable p Sensor side Sensor side Attaching detaching NOTE If conduit is used the metal part of the cable connector should not be in contact with metal parts of the conduit If the metal part of the cable connector is in contact with other metal parts this may cause measurement errors 6 3 Procedure for Assembling of Sensor into Holder Install a sensor where a cable is connected according to 6 2 in a holder when a holder is used e For use of the model PH8HF flow through holder 1 2 3 4 Remove the nut for fixing the sensor to the adapter Pass the cable through the nut Attach the O ring attached inside the holder to the adapter Refer to the O ring position in below figure Put the sensor into th
20. roper use or misuse can be dangerous CAUTION Since these sensors are made of glass they should be handled with care Take care that the PG13 5 thread and the O ring are not damaged while the sensor is installed into the adapter etc Preparing Carefully remove the storage cap by turning a screw located at a blue gasket Rinse the sensor with water Check the interior of the pH glass membrane for air bubbles Allow any bubbles to rise to the top by shaking the sensor gently PH4FE sensor Prior to measuring open the reservoir stopper close it after measuring Check level of electrolyte in the sensor Electrical wiring The sensors are equipped with a S8 S7 or a VP connector head Before connecting the sensor to the cable check that the connections are clean and dry Do not touch the electrical contacts Connectors especially should not be disconnected in moisture condensing environments Unstable signals low slope or long response time could indicate a moist or contaminated connector Clean the connector head with a paper towel moistened with ethanol Dry the connector head after this procedure with a dry paper towel Attaching detaching method of sensor cable In case of VP connector e Rotating the sensor connector so that its recessed portions will agree with the salient portions inside the cable connector insert the sensor connector into the cable connector IM 12B10B00 01EN 1st Edition Aug 12 2015 00 13 Aweak
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