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22 

 

IM11Y01B01-12E-A 

 2nd Edition 

 

 

 

 

Above: Zero Transmission/No Signal

 

 

Above: 0.2% Transmission/small signal

 

Summary of Contents for TDLS200

Page 1: ...1 IM11Y01B01 12E A 2nd Edition TDLS200 Tunable Diode Laser Analyzer Addendum Instruction Manual Furnaces Heaters Large Scale Combustion...

Page 2: ...ns that may exist or potentially exist Please take appropriate action to prevent ALL POTENTIAL ACCIDENTS AVOID SHOCK AND IMPACT TO THE ANALYZER THE LASERS CAN BE PERMANENTLY DAMAGED Laser Safety Class...

Page 3: ...3 IM11Y01B01 12E A 2nd Edition within this addendum supersede any conflicting statement contained within the standard Users Guide...

Page 4: ...00C 1475F Combustion flue OPL 1 10m 33ft atmospheric pressure 500C 930F o Oxygen 0 21 for control or monitoring o CO 0 5 000ppm for control monitoring or safety CH4 0 5 breakthrough monitoring and or...

Page 5: ...is almost impossible to keep good alignment with varying ambient and process conditions especially during cold starts and shut downs the most extreme thermal changes on the mechanical structures To re...

Page 6: ...analyzer is to be installed is to vary by more than 10o C 18o F then an Active input signal should be used for compensation Ensure the analyzer has been selected and configured to suit the maximum ope...

Page 7: ...s sections up to each window take note of the measurement value and resume some window purge flow Change the Process Path Length back to the normal value and now resume adjust the launch and detect un...

Page 8: ...uch equipment installation Appropriate hazardous area if applicable precautions Owner Company best practice and engineering standards Access for personnel to stand in front of launch and Detect Units...

Page 9: ...9 IM11Y01B01 12E A 2nd Edition Clearance for Launch Unit Ensure there is sufficient clearance and access for the Launch unit...

Page 10: ...10 IM11Y01B01 12E A 2nd Edition Clearance for Detect Unit Ensure there is sufficient clearance and access for the Detect unit...

Page 11: ...Dimensions for combustion process interface devices Above 3 150 ANSI RF option for Launch unit alignment bellows Above 4 150 ANSI RF option for Launch unit alignment bellows Above 4 150 ANSI RF Large...

Page 12: ...is maintained at all times Rigid mounting for the process flanges is highly recommended to ensure alignment is maintained In situations where the process flanges are mounted to these thin and flexible...

Page 13: ...t and Line Up The Launch and Detect units are provided with alignment mechanisms that allow for some manual adjustment of the laser beam direction in both planes It is however recommended that the fol...

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Page 16: ...the walls and the adjacent heater furnace structural steel as shown conceptually below Note horizontal vertical bracing tied to the adjacent structural steel and walls of the unit Diagram below shows...

Page 17: ...ptics at distances less than 10 from the furnace wall The above preferred method may not be possible in every site specific situation The actual dimensions may have to be adjusted to suit the practica...

Page 18: ...ed method and case B below shows an alternative method if the preferred method cannot be accommodated at the particular site installations Above Preferred angle mounting above Alternate angle mounting...

Page 19: ...ng the actual purge flows ensure the lines have been blown out to remove all debris dirt oil water and other media that could contaminate the optical surfaces and impaired the optical transmission mea...

Page 20: ...ing the transmission strength while adjusting the top bottom and left right nuts on the alignment bellows The adjustments are performed on one axis at a time The intent is to use the alignment bellows...

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Page 22: ...22 IM11Y01B01 12E A 2nd Edition Above Zero Transmission No Signal Above 0 2 Transmission small signal...

Page 23: ...s by starting at the launch end maximize the signal using the transmission signal and value by moving the launch around using the alignment bellows Once maximum signal is achieved move to the detect e...

Page 24: ...es to ensure maximum transmission Once maximum transmission is achieved move to the next step and ensure the laser is centered This is done by sweeping the laser across the detector in both the horizo...

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Page 28: ...scope or scope meter Please read the entire procedure before starting work and ask your local Yokogawa service group for further information if required This procedure can also be performed by local Y...

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Page 32: ...be very small initially as low as 0 1 volts move to the detect end and using the method described in the previous slide move the LAO detect assembly around until maximum signal is achieved The launch...

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Page 36: ...ice the detector gain needs to be adjusted to achieve the best analyzer performance This document gives the guidance and procedures to adjust the detector board gain for services and customers after t...

Page 37: ...ase keep the original R22 and R23 in the resistor bag as they can be used for future offline calibration 6 Optimize the analyzer alignment for both the launch and detector sides Stop the alignment if...

Page 38: ...cuit on the board i e loose wires or touching adjacent components with pliers or tool used to remove resistor How to install a new gain resistor First try the new resistor by molding and clipping the...

Page 39: ...wa Office Yokogawa Distributor or Yokogawa Sales Representative or Yokogawa Laser Analysis Division directly as listed below Yokogawa Laser Analysis Division 910 Gemini Street Houston Texas 77058 USA...

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