Nippon WA-5A, Руководство по обслуживанию

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Atmospheric Mercury Analyzer
Mercury WA-5A Service Manual
Table of contents
1. OUTLINE .......................................................................................................................... 5
1.1 Outline ......................................................................................................................... 5
1.2 Basic configuration of this instrument .......................................................................... 5
1.3 Component description of mercury analyzer ............................................................... 6
1.3.1 Front (inside of front cover) ................................................................................... 6
1.3.2 Rear ...................................................................................................................... 7
1.3.3 Inside of top cover ................................................................................................ 8
1.3.4 Inside of right side cover ....................................................................................... 9
1.3.5 Inside of left side cover ....................................................................................... 10
1.4 Readers for whom this service manual is intended ................................................... 10
2. SAFETY .......................................................................................................................... 11
2.1 Meanings and explanations of symbols..................................................................... 11
2.2 Cautions concerning installation ................................................................................ 11
2.3 Cautions concerning maintenance ............................................................................ 11
3. MAINTENANCE .............................................................................................................. 12
3.1 Inspection items ........................................................................................................ 12
3.1.1 Daily inspection .................................................................................................. 12
3.1.2 Yearly inspection ................................................................................................. 13
3.2 Errors and warnings .................................................................................................. 14
3.3 Troubleshooting ......................................................................................................... 17
3.3.1 Fall of sensitivity ................................................................................................. 17
3.3.2 Abnormal blank value ......................................................................................... 18
3.3.3 Abnormal rise in sensitivity ................................................................................. 18
3.4 Maintenance .............................................................................................................. 19
3.4.1 Checking of leak ................................................................................................. 19
3.4.2 Replacement of septum ...................................................................................... 20
3.4.3 Cleaning of gas washing bottle and dehumidifying bottle ................................... 20
3.4.4 Removal and fixing of cover ............................................................................... 21
3.4.5 Removal and fixing of collector tube (H2) ........................................................... 21
3.4.6 Cleaning of absorption cell ................................................................................. 22