OPAC100M NON-COMPLIANT LED OPACITY MONITOR

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ADVANCED OPTICAL DESIGN INCREASES RELIABILITY

The OPAC-100M opacity monitor is an LED light source system for non-compliant installations. The opacity monitor is a double pass ratio-metric opacity monitor, that compensates for LED intensity fluctuations and can be stack-exit correlated. The low powered solid state light source emits negligible heat and is electronically modulated; eliminating chopping mechanisms and their inherent problems. High frequency modulation creates a more stable response and eliminates the ambient light interference found in low frequency modulation of incandescent sources. The long life of the LED, creates a trouble free optics assembly. The OPAC-100M LED has a 10 year expected life.

STANDARD SYSTEM COMPONENTS

ELECTRONICS CONTROL UNIT - The NEMA 12 control box contains all electronics, power supplies, and calibration adjustments for the LED, detectors, and opacity electronics. It can be mounted up to 200 feet from the light source. The opacity system can be clear stack zeroed and linearized from the control box electronics. System test points are easily accessed, making trouble shooting a breeze. Current loop outputs come directly from the control box to your plant data recording and control systems. Current loops are standard 4-20 ma configuration.

LED TRANSMISSOMETER - The LED transmissometer includes the LED optical beam projection light source, and the detector optical assembly. A passive non-adjustable retro-reflector is in the reflector housing.  Each optical housing is sealed against environmental contamination and is locater pinned and quick connected to the air purge venturi. The external optics are easily accessed for cleaning.

AIR PURGE WITH BLOWER - Every OPAC-100M opacity system comes standard with air purge plenums and a 1 horse power 110/220 V blower motor.

The air purge system keeps the exposed optics clear of stack effluent, and keeps the stack/duct radiant heat away from the optical housings. 

The purge blower intake is filtered with a disposable filter cartridge.

The blower motor outlet is split to supply air to both air purge plenums and comes with 20' of AIR hose standard.

OPAC-100M NON-COMPLIANT LED OPACITY MONITOR

SYSTEM SPECS