Model NGA2000 NDIR

Instruction Manual

748332-F April 2003

DETECTOR ASSEMBLY COVER

(Front View)

Oscillator Tune Adjustment

SHUTTER

Sample

OPEN

CLOSE

Source Balance Shutter

Adjustment Screw Hole

Figure 4-6. Oscillator Tune, Source Balance Shutter Adjustments

Detector

Oscillator Board

Resistive Temperature

Detector

Thermal Fuse

Detector Heater

Figure 4-7. Detector Block (Exploded View)

Rosemount Analytical Inc. A Division of Emerson Process Management

Maintenance and Troubleshooting 4-7