Yokogawa In-Situ Gas Analyzer TDLS200 - Manual (Page 37)

<5. INSTALLATION AND WIRING> 5-3 5-4
IM 11Y01B01-01E-A 6th Edition :Feb 13, 2013-00
5.3 Process flange Welding Alignment 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 following angular tolerances be
adhered to as closely as possible.
Figure 27 - Angular Alignment Tolerances for Launch or Detect Unit Flanges
TDLS200 TDL Analyzer Instruction Manual V2.1
Page 42 of 131 - 42 -
Figure 21 - Reinforcing Plate for Launch or Detect Unit Flanges
3.3 Process Flange Welding Alignment 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
following angular tolerances be adhered to as closely as possible.
Figure 22 - Angular Alignment Tolerances for Launch or Detect Unit Flanges
PROCESS FLANGE
BOLT ALIGNMENT
NOZZLE FLANGE BOLT PATTERN MUST BE AS
INDICATED TO ASSURE PROPER MOUNTING OF
ANALYZER LAUNCH AND DETECT UNITS
COMBINED ANGULAR OFFSET OF BOTH NOZZLES
MUST NOT EXCEED 2” IN ANY DIRECTION. BEST
INSTALLATION WILL HAVE NO ANGULAR OFFSET
PROCESS FLANGE
ANGULAR TOLERANCE
Angular tolerance