28
The IR cells have normally base lines adjusted to about 8V and the peak comes
down during analysis, respectively during IR absorption by the measuring gas.
In case of golden paths, although we intensively clean them with solvents and
heated up to over 500°C for one day or more, in the first couple of months after
being in operation, the base line may goes up, which means that the paths become
more reflective during this period. Therefore, the base lines of golden paths should
be initially set rather at 5 or 6 volts instead of 8 volts. In the first couple of months
the base lines go up, but the growing slows down and growing contamination
finally causes the base line to start coming down.
The initial base line adjustment at 5 to 6 volts, prevents the maximum base line
value from reaching 9.5V, where the error message “Check base line” appears.
Note that this message is just a warning. The analyzer is not prevented from
carrying out further analyses. As long as the base line remains below 10V, the
results are correct.
If a base line is below -9.5V an adjustment should be done as advised above. If
this is not possible, then most probably there is a fault or a very strong
contamination. In case of contamination, all cells available should have very low
voltages, even negative ones.
If all available cells are below -9.5V there is most probably a fault like no rotating
chopper motor or a faulty infrared source.
Pos : 5. 4 / 0020 Ü bersc hrift en/ELTR A 1. 1 Ü bersc hrift en/ 11 Fluc tuati ng gas flow ELTRA @ 6\ mod_1368452950593_9. doc x @ 40051 @ 22 @ 1
3.2
15B
Fluctuating gas flow
Pos : 5. 5 / 0010 ELTR A/ 0015 s er vice_i nstr uctions /CS- 800_Ser vice/0015 Fehler/ 0110 Bild Fluktui erender Gas fluss (Front ansic ht - NR 4, 5, 6, 7) ELTR A @ 6\ mod_1377688597933_9. doc x @ 46495 @ @ 1
Fig. 4: Fluctuating gas flow
Pos : 5. 6 / 0010 ELTR A/ 0015 s er vice_i nstr uctions /CS- 800_Ser vice/0015 Fehler/ 0115 M odul Fl ukt uier ender G asfl uss ELTRA @ 6\ mod_1377688598185_9. doc x @ 46507 @ 2223333333333333333 @ 1
The flow rate is electronically controlled; therefore there should be no significant
variation from the set value.
7
6
5
Содержание CS-800
Страница 2: ...2 Copyright Copyright by Eltra GmbH Haan Retsch Allee 1 5 D 42781 Haan Federal Republic of Germany ...
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Страница 10: ...10 Fig 2 Draft 12057 ...
Страница 11: ...11 Fig 3 Draft 11660 ...
Страница 12: ...12 Fig 4 Draft 12200 ...
Страница 14: ...14 Fig 6 Draft 12058 Signal and control ...
Страница 17: ...17 Fig 8 Draft 6 2 4 Gas flow diagram furnace closed ...
Страница 18: ...18 Fig 9 Oxygen flow schematically ...
Страница 19: ...19 Fig 10 Draft 12059 signal and control board ...
Страница 21: ...21 Fig 12 Draft VG 96 connector ...
Страница 22: ...22 Fig 13 Draft 1 14 4 1 ...
Страница 23: ...23 Fig 14 Draft IR 45 power supply ...
Страница 24: ...24 Fig 15 Draft IR sources Fig 16 Draft 7 pin plug ...
Страница 80: ...80 Abb 46 IRC 1 3 ...
Страница 82: ...82 Fig 29 Mainboard Cut out IR Cell general test points ...
Страница 91: ...91 Abb 47 Pneumatics parts 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 ...
Страница 94: ...94 bar 0 5 1 1 5 2 2 5 0 PR2 1 Fig 49 Front side 4 5 47BPurge pressure Fig 50 PR2 5 6 ...
Страница 109: ...Service 109 10 10 11 9 b7 10 1 12 8 5 6 Fig 60 b7 10 1 ...
Страница 110: ...Service 110 ...
Страница 119: ...Miscellaneous 119 77510 Heaters for IR cell ...
Страница 120: ...Miscellaneous 120 6 1 2 121BFront side Fig 41 Front side ...
Страница 122: ...Miscellaneous 122 6 1 3 122BRight side Fig 42 Right side ...
Страница 126: ...Miscellaneous 126 6 1 5 124BOscillating circuit Fig 44 Oscillating circuit ...
Страница 130: ...Miscellaneous 130 6 1 7 126BFurnace cleaning 75130 14080 75122 70120 14072 14051 14045 75150 14021 14160 ...
Страница 132: ...Miscellaneous 132 21010 Heather section 21120 Quartz tube 70380 O Ring 70380 21120 21010 ...
Страница 134: ...Miscellaneous 134 Fig 47 12055 I ...
Страница 135: ...Miscellaneous 135 Fig 48 12055 II ...
Страница 136: ...Miscellaneous 136 Fig 49 12072 ...
Страница 137: ...Miscellaneous 137 Fig 50 12064 ...
Страница 138: ...Miscellaneous 138 Fig 51 12550 Vacuum cleaner ...
Страница 139: ...Miscellaneous 139 Fig 52 12015 I ...
Страница 140: ...Miscellaneous 140 Fig 53 12015 II ...
Страница 141: ...Miscellaneous 141 Fig 54 12016 ...
Страница 143: ...Miscellaneous 143 6 2 1 127BUNI 1 ...
Страница 144: ...Miscellaneous 144 6 2 2 128BGas flow system ...
Страница 145: ...Miscellaneous 145 ...
Страница 146: ...Miscellaneous 146 6 2 3 129BValve controlling Fig 55 Valve controlling I 11001 6001 ...
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Страница 158: ...Copyright Copyright by Eltra GmbH Haan Retsch Allee 1 5 D 42781 Haan Federal Republic of Germany ...