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Instruction Manual
IM-105-4000, Original Issue
August 2005
OPM 4000
3-2
STACK EXIT
CORRELATION
COMPUTATION
1. The stack exit correlation is especially important to verify. If possible, all
dimensions should be verified by actual measurements.
2. Measure and record inside stack dimensions at the measuring point
and at the stack exit, and compute the Optical Path Length Ratio
(OPLR). Check that the calculated and the OPLR found in the Factory
OPLR, and the Check step found further in this section, are within ±2%.
• Lx = Stack exit inner diameter, Lt = Inner diameter of the effluent path.
• Example: A stack with a 120 in. (3048 mm) stack exit ID and a 120 in.
(3048 mm) pathlength.
STARTUP SERVICE
Rosemount Analytical is available to assist you; call our Customer Support
Center (CSC) at 1-800-433-6076 for details and to schedule startup.
VERIFYING
INSTRUMENT
OPERATION AND
CONFIGURATION
Alignment procedure must be completed as outlined in Section 2.
Apply power to both the control unit and the sensors for a minimum of 30
minutes before any adjustments are attempted.
Observe the front panel LED's and confirm the red Operate and the green
RUN LED's are on. Press the ACK button to confirm NO ALM'S message is
displayed. Press the DIS button until OPACITY % is displayed.
EDIT KEYS
All data entry, editing, and diagnostics are accomplished with four EDIT keys
behind the hinged cover.
OPLR =
Lx
Lt
OPLR =
120
2*120
= 0.50