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IM 11G00E01-01EN

6th Edition : May. 21, 2018-00

1. Overview

The zirconia oxygen analyzer utilizes a solid electrolyte consisting mainly of zirconia (ZrO

2

) which

conducts only oxygen ions at a high temperature. It is an oxygen sensor which measures, based

on the principle of an oxygen concentration cell, the electromotive force produced due to the

difference in oxygen concentration between the measured gas and reference air. By combining

this analyzer with a sampling system including an infrared gas analyzer, it can accurately

measure oxygen concentration for a variety of applications including combustion equipment

control, air separation plants and laboratory use.

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Содержание ZX8D

Страница 1: ...User s Manual Model ZX8D Zirconia Oxygen Analyzer IM 11G00E01 01EN IM 11G00E01 01EN 6th Edition ...

Страница 2: ...er IM 11G02N01 01E The E or EN in the document number is the language code An exclusive User s Manual might be attached to the products whose suffix codes or option codes contain the code Z made to customers specifications Please read it along with this manual WARNING This unit is not explosion proof type Do not use it in a place with explosive gases to prevent explosion fire or other serious acci...

Страница 3: ...ng the piping outlet After power off wait until the piping outlet cools down Beware of acid fluid inside the pipe If acid fluid should contact your skin or clothes immediately wash them with large amount of tap water If they should splash onto your eyes seek medical attention at once Do not use replacement parts other than those specified by the maker Otherwise intended performance may not be obta...

Страница 4: ...is strictly prohibited The following safety symbols are used on the product as well as in this manual WARNING This symbol indicates that an operator must follow the instructions laid out in this manual in order to avoid the risks for the human body of injury electric shock or fatalities The manual describes what special care the operator must take to avoid such risks CAUTION This symbol indicates ...

Страница 5: ...tion If you have any questions or you find mistakes or omissions in the user s manuals please contact our sales representative or your local distributor n Drawing Conventions Some drawings may be partially emphasized simplified or omitted for the convenience of description Some screen images depicted in the user s manual may have different display positions or character types e g the upper lower c...

Страница 6: ...essential parts of the product Keep them together in a safe place for future reference n Users This product is designed to be used by a person with specialized knowledge n Information of the WEEE Directive This product is purposely designed to be used in a large scale fixed installations only and therefore is out of scope of the WEEE Directive The WEEE Directive does not apply This product should ...

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Страница 8: ...2 Specifications 2 3 Name and Description of Each Part 4 4 Installation 5 4 1 Mounting method 5 4 2 Piping 6 4 3 Sampling 7 4 4 Wiring method 8 5 Operation 9 5 1 Operating procedure 9 5 2 Preparation for operation 9 5 3 Start of measurement 9 5 4 Shutdown 9 6 Maintenance 10 6 1 Daily inspection 10 6 2 Cleaning gas outlet 11 6 3 Replacement of fuse 12 6 4 Output characteristic 12 Revision Informati...

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Страница 10: ...ich measures based on the principle of an oxygen concentration cell the electromotive force produced due to the difference in oxygen concentration between the measured gas and reference air By combining this analyzer with a sampling system including an infrared gas analyzer it can accurately measure oxygen concentration for a variety of applications including combustion equipment control air separ...

Страница 11: ...ter minute when connected with infrared gas analyzer NOTE The Zirconia system due to its principle may produce a measuring error due to relative concentration versus the combustible O2 gas concentration Also a corrosive gas SO2 of 250 ppm or more etc may affect the life of the sensor Warm up time Approx 30 minutes Ambient temperature 0 to 45 C Ambient humidity 90 RH or less Use environment Indoors...

Страница 12: ...Australia and New Zealand Korea Electromagnetic Conformity Standard Class A 한국 전자파적합성 기준 Note The product mounted in a steel enclosure conforms to the requirements of EMC directive Caution The instrument is a Class A product and it is designed for use in the industrial environment Please use this instrument in the industrial environment only RoHS EN50581 Information of the WEEE Directive This prod...

Страница 13: ...mple gas inlet Connect tube for gas to be measured Rc1 4 internal thread or 1 4NPT internal thread 7 Sample gas outlet Connect tube for discharging measured gas Rc1 4 internal thread or 1 4NPT internal thread 8 Temperature indicator Indicates the sensor temperature 9 Specification nameplate Indicates type and specifications n Name and description of internal parts F0302 ai 10 13 12 11 No Name Func...

Страница 14: ...r more Mounting dimensions Maintenance space Unit mm Mount the unit on a metal plate such as steel plate of more than 3 mm thick using M4 screws or bolts Do not mount it on materials such as plasterboard or lumber which do not have sufficient strength for mounting If the unit is to be mounted on a metal plate of less than 3 mm thick it is recommended to fix the unit using nuts Mount on a vertical ...

Страница 15: ...ulty operation Since sulfuric acid mist or oxides may be discharged through the outlet pipe this pipe should have an inner diameter of about 8mm and be easily detachable for cleaning A branch should also be provided midway on this pipe for eliminating mist and the like The outlet pipe should be open to the atmosphere to avoid connecting it to another analyzer sampling device etc OUTLET INLET 23 37...

Страница 16: ... gas then use a dehumidifier to lower the dew point to about 0 C If SO3 mist is included in sample gas then use a mist filter cooler or the like to exclude it Other types of mist should also be excluded Strongly corrosive gases like Cl2 F2 and HCl included in sample gas will shorten the service life of the instrument Harmful components such as Si vapor alkaline metals P Pb and SO2 at high concentr...

Страница 17: ...ect rating Connection of power supply of incorrect rating may cause fire Wiring at a place which is exposed to water or rain is prohibited in order to prevent electrical shock or damage to the instrument External terminals are provided on the front of the instrument Make connection to these terminals according to Figure 4 1 Be sure to perform class D grounding Terminal screws are M4 Keep the power...

Страница 18: ...strument 5 1 Operating procedure Read through the instruction manual for the infrared gas analyzer to be combined with this analyzer then proceed to operation accordingly The oxygen analyzer requires a warmup of at least 30 minutes 5 2 Preparation for operation 1 Check of piping and wiring Make sure all the piping and wiring have been made correctly 2 Turning on power Turn on the power switch and ...

Страница 19: ...art should be disposed of as incombustibles Do not use a replacement part other than specified by the instrument maker Otherwise adequate performance will not be provided Besides an accident or fault may be caused Wiring at a place which is exposed to water or rain is prohibited in order to prevent electrical shock or damage to the instrument 6 1 Daily inspection n Zero point air and span calibrat...

Страница 20: ... set the power supply and main unit power supply switch to OFF 2 Remove the inlet pipe of oxygen analyzer and exhaust the gas to outside Beware of ventilation when sample gas contains a toxic component such as CO or SO2 3 Remove the outlet pipe and bushing of oxygen analyzer Place a drain receiver on the bottom part CAUTION Beware of acid fluid inside the pipe If acid fluid should contact your ski...

Страница 21: ...cap of the fuse holder 3 4 5 6 7 2 ALM AC TEMP 1 AC250V T3 15A OXYGEN ANALYZER INPUT OUT S F E U N L F0602 ai Fuse holder Cap 6 4 Output characteristic Table 1 ZX8D output characteristic O2 OUTPUT mV O2 OUTPUT mV 0 01 168 57 7 0 24 21 0 02 153 3 8 0 21 27 0 03 144 36 9 0 18 67 0 04 138 02 10 0 16 35 0 05 133 1 11 0 14 25 0 1 117 83 12 0 12 33 0 2 102 56 13 0 10 57 0 3 93 62 14 0 8 93 0 4 87 28 15 ...

Страница 22: ... errors p 3 Nov 2017 5th Edition Revised a description on power supply p 2 Aug 2017 4th Edition Added RoHS p 3 June 2017 3rd Edition Revised due to the discontinuation of IR250 p i p 3 for a model change into IR202 Mar 2017 2nd Edition Added IR250 with some revision and so forth p i p v p 2 p 3 p 5 Feb 2016 1st Edition Newly published Yokogawa Electric Corporation 2 9 32 Nakacho Musashino shi Toky...

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