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YOKOGAWA DO30G, User Manual

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YOKOGAWA DO30G User Manual Download Page 13

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Summary of Contents for DO30G

Page 1: ...User s Manual Dissolved Oxygen Metering System Model DO30G Dissolved Oxygen Sensor IM 12J5B3 01E IM 12J5B3 01E 6th Edition...

Page 2: ...anumeric 2 Information Covered by This Manual This manual covers all of the information on handling the DO30G Dissolved Oxygen Sensor Style B such as instructions on installation inspection and mainte...

Page 3: ...e does not affect the functions or performance of the product If the product is not used in a manner specified in this manual the safety of this product may be impaired 2 Safety and Modification Preca...

Page 4: ...ged repair fee regardless of warranty period Failure of components which are out of scope of warranty stated in instruction manual Failure caused by usage of software hardware or auxiliary equipment w...

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Page 6: ...rement Point 3 2 3 2 2 Selecting the Sensor Holder 3 2 3 2 3 Asembling the Sensor in the Holder 3 4 3 3 Connecting the Sensor Cable 3 4 4 Maintenance 4 1 4 1 Routine Inspection 4 1 4 1 1 Inspecting th...

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Page 8: ...der The sensor when assembled in the immersion type holder allows automatic cleaning of the sensor with jet sprayed water or air at regular intervals The sensor is easy to service and very economical...

Page 9: ...r Cable Length 3 m 5 m 10 m 15 m or 20 m specified when ordering Crimping terminal configuration Pin type M4 Ring type or Fork type specified when ordering Weight Approx 0 3 kg 0 12 N kg N cable lengt...

Page 10: ...cing type sensor M Style B B Option Code Suffix Code Description A set of zero adjusting reagent and maintenance parts Contents Zero adjusting reagent sodium sulfite 500 g 1 bottle Membrane assembly f...

Page 11: ...0 15 FK DO30G NN 50 20 FK L 3 000 5 000 10 000 15 000 20 000 Weight kg Approx 0 6 Approx 0 8 Approx 1 4 Approx 2 0 Approx 2 6 L 3 000 5 000 10 000 15 000 20 000 Weight kg Approx 0 6 Approx 0 8 Approx...

Page 12: ...cknut Sensor unit Generates both an electrolytic current signal proportional to the amount of oxygen that passes through the permeable membrane and a temperature signal for compensation O ring Lead el...

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Page 14: ...Inspecting the Permeable Membrane Any wrinkling or damage to the permeable membrane may lead to a failure to take normal meas urements Make sure the membrane is free from any wrinkling or damage Also...

Page 15: ...es occur frequently l The temperature and flowrate comply with the operating conditions required of the sensor and holder Note that if a measured solution running at a high flow rate contains particle...

Page 16: ...function in the converter can be acti vated Arm assembly Sensor cable Float Mounting bracket Fix the bracket to a nominal 50 A pipe OD of 60 5 mm or a horizontal surface floor the edge of a solution t...

Page 17: ...r For information on connections refer to the following instruction manuals FLXA402 4 Wire Converter IM 12A01F01 02EN DO402G Dissolved Oxygen Converter IM 12J05D02 01E FLXA202 FLXA21 DO202 2 wire Tran...

Page 18: ...is spread over the membrane dip the membrane into clean water and gently wipe the dirt off with a soft cloth or lint free paper If the dirt will not come off easily apply a neutral detergent to the m...

Page 19: ...n procedure in Section 4 2 2 If the locknut is loosen or the membrane is wrinkled or damaged replace the electrolyte and the permeable membrane assembly including the O ring seal as well Electrolyte p...

Page 20: ...sor body with the syringe see Figure 4 2 Note Always use an electrolyte prepared by Yokogawa for exclusive use with the DO30G First fill the sensor with the electrolyte approx 9 ml and then remove app...

Page 21: ...ead electrode has reached the end of its service life The service life of the lead electrode varies with the temperature of the SUM or the amount of dissolved oxygen Under general operating condi tion...

Page 22: ...ch polishing usually needs only a very small amount of alumina about 0 5 g 4 3 2 Parts That Should Be Kept on Hand Even parts with a long service life are not completely free from possible failure It...

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Page 24: ...the membrane assembly and affect the measurement results Please read the following notes and removal procedure in advance in order to prevent damage and loosening of the membrane assembly from occurr...

Page 25: ...it beneath the protective cap and up to the tip of the sensor Figure 5 Push a stick or the like beneath the protective cap to create air space DO30G tip Protective cap Maintain the space Figure 6 Pul...

Page 26: ...ogawa Electric Corporation Subject to change without notice Dissolved Oxygen Metering System DO30G Dissolved Oxygen Sensor CMPL 12J5B3 01E 1 2 Item Part No Qty Description 1 K9171CH 1 Box nut assembly...

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Page 28: ...12E 2nd Edition Feb 2006 YK 1 2 3 4 7 8 9 6 5 10 200 150 100 50 Item Part No Qty Description 1 L9825AF 1 200 ml Beaker 2 L9920BR 1 Reagent for zero calibration 3 K9088PE 1 Polishing Powder 4 K9171HK 1...

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Page 30: ...1 2 M4 ring type terminal added to specifications P 1 3 FLXA21 added to MS code P 1 4 M4 ring terminal added to Figure 1 2 P 2 1 M4 ring terminal added to Figure 2 1 P 3 1 Addition of Appendix 1 to b...

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