YOKOGAWA PH8ECP User Manual Download Page 1 | Manualshive

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YOKOGAWA PH8ECP User Manual Download Page 1

User’s

Manual

Model PH8ECP

KCl Filling Type pH Sensor

(for electrolysis plant)

IM 12B7J3-01E

IM 12B7J3-01E

7th Edition

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Summary of Contents for PH8ECP

Page 1: ...User s Manual Model PH8ECP KCl Filling Type pH Sensor for electrolysis plant IM 12B7J3 01E IM 12B7J3 01E 7th Edition...

Page 2: ...cations Upon arrival of the purchased product carefully unpack it and make sure the product is completely free from any damage that may have occurred during transport Also check the model code indicat...

Page 3: ...he 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 No part of the user s manual...

Page 4: ...Korean explosion proof standards Any option code is available Upper limit of process temperature on the PH8ECP Transmitter used in combination FLXA21 PH202S Ambient temperature Ta Temperature class 4...

Page 5: ...ION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate inju ry It may also be used to alert against unsafe practices IMPORTANT Indicates that operating th...

Page 6: ...t of scope of warranty stated in instruction manual Failure caused by usage of software hardware or auxiliary equipment which Yokogawa Electric did not supply Failure due to improper or insufficient m...

Page 7: ...Blank Page...

Page 8: ...1 2 1 3 Installing Associated Instruments 2 1 2 2 pH Sensor Installation Procedures 2 2 2 2 1 Installing pH Sensor in Flow through Holder 2 2 2 3 Connecting Sensor cables 2 5 2 3 1 Connecting Sensor...

Page 9: ...Blank Page...

Page 10: ...esentative Ambient temperature limits 10 to 50 C Do not allow KCl to condense in the reserve tank Wetted part materials Body Glass Earth eIectrode Platinum Liquid junction material Ceramics Cable spec...

Page 11: ...XA21 6 M3 ring terminal for FLXA402 PH450G PH202 TB 4 1 When used in combination with a special flow through holder for electrolysis use a Teflon coated O ring for sealing P N K9142YU This O ring is s...

Page 12: ...rminal for PH400 PH200 Ring Terminal Pin Terminal for PH202 FLXA202 FLXA21 38 26 6 104 85 5 Cable length 3m 5m Tube length 3m 5m F1 1 ai Unit mm for FLXA402 PH450G PH202 TB FLXA202 FLXA21 Cable gland...

Page 13: ...01E General purpose KCl Reserve Tank 2 inch pipe 63 Approx 115 Approx 75 Approx 45 Unit mm F1 2E ai Medium Pressure KCl Reserve Tank 308 263 60 Rc 1 4 Joint with valve 88 60 5 Unit mm F1 3E ai 2 inch...

Page 14: ...ot remove the transportation cap until the sensor is to be incorporated in a flow through type holder Earth Electrode Sensor Body Liquid Junction Glass Electrode F2 1E ai Figure 2 1 Names of PH8ECP pH...

Page 15: ...ase separately the O ring containing the washer if necessary F2 2E ai Sensor Fixing Nut Washer Figure 2 2 Sensor Cable Treatment Connect the sensor cable correctly by referring to Section 2 3 3 A gene...

Page 16: ...to flow into the sensor until the sensor is filled with KCl solution Plug the air exhaust hole Make several holes using the pin supplied with the tank General purpose Reserve Tank KCl solution tube F2...

Page 17: ...ank cover and tighten the nut 3 3 mol L is used as KCl solution Tip The KCl solution can be prepared from KCl powder Yokogawa s PH8AX accessory Dissolve one bag of KCl powder 62 g in deionized water a...

Page 18: ...e the nut from the cable gland Insert the cable into the right opening for the wiring Then pass the cable through the nut Connect the individual cable conductors to the relevant terminals correctly by...

Page 19: ...elevant terminals correctly by referring to the markings on the individual conductors For details refer to relevant IMs 3 Install the cable gland in the wiring hole as follows Pass the tip of the cabl...

Page 20: ...for buffer solution calibration Note Glass electrodes which have dried out do not show stable properties until some time after immersion in solution Submerge the electrode in water for about 30 minut...

Page 21: ...he tank When a pH sensor with a medium pressure reserve tank is used replenish the KCl solution when the KCl solution in the tank seems to be nearly exhausted Carry out replenishment of KCl solution a...

Page 22: ...on must be cleaned periodically the period depending on the degree of staining Clean the glass electrode and liquid junction as per the following procedure Stains due to suspended solids sticky materi...

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Page 24: ...11 12 10 11 9 10 through 12 For general use Fork type Pin type For Medium Pressure Item Part No Q ty Desc ription 10 3 B H Screw M4318 11 3 Nut 12 1 Bracket Item Part No Qty Description 1 1 BodyAssem...

Page 25: ...TT2 K9142VG Item Part No Qty Description 1 K9142VL 1 Tank Assembly 2 K9142VJ 1 Block 3 K9142VK 1 Block 4 G9303AE 1 O Ring 6 L9835DD 1 Joint 7 L9867BS 1 Pressure Gauge 8 K9142RU 1 Label 9 K9142VP 1 Bra...

Page 26: ...L 12B7J3 01E modified Apr 2008 3rd Edition M3 ring terminals added for PH450G CMPL12B7J3 01E revised to 3rd edition Aug 2006 2nd Edition IM Style Format is renewed Revised and Corrected all over Chapt...

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