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Evaluation of Optical Instruments for Real-Time Continuous Monitoring of Smoke Particulates

Evaluation Results and Discussion (continued)

Real-Time Continuous Monitoring Results

Met One GT-640

1998 Laboratory Tests—The Met One GT-640 was not available for these tests.

Field Tests—Only one GT-640 was available for the field tests. Results (figure 13) show the instrument overestimated the mass concentrations by 10 percent in the field environment (slope = 1.10) when compared to the FRM. The R² value was poor at 0.35 but only 12 data points were obtained.

Figure 13—Comparison of the Met One GT-640 and gravimetric
results from the 1999 field tests.

Met One GT-640 continued

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