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User Guide
Model 4200 Dust & Opacity Monitor
13 Specification
13.1 4200 Dust & Opacity Monitor
System Performance
Operating Principle:
Cross-stack Transmissometer
Operating Wavelength:
623 ±20nm
Light Source:
High Intensity LED (lifetime > 5 years)
Accuracy:
±2% Opacity (Based on single pass
opacity with 95% confidence coefficient)
Repeatability:
±2% (±5% for pathlengh > 7.5m/25ft)
Resolution:
±0.25%
Drift:
<2% of Opacity/Dust per month
Angle of Projection:
<5°
Angle of View:
<5°
Response Time:
5 second to 90% of the final value after
step change
User set average time:
1s - 59s 1min to 59min or 1hr to 8hrs
Flange to Flange Pathlength:
0.3m to 10m (1ft to 32ft) minimum flange
to flange width
Calibration
Method
Push buttons for setup calibration
alignment mode
Check:
Manual Zero and Span Check
Linearity:
Built in Audit Jig
Dust:
Single Calibration Constant
Transmissometer
Dimensions:
404x 127 x 157 (Length x Width x Height)
16in x 5in x 6in (Length x Width x Height)
Weight:
5Kg (11 lb)
Retro-Reflector
Dimensions:
200 x 127 x 127 (Length x Width x
Height)
7.9in x 5in x 5in (Length x Width x
Height)
Weight:
2kg (4.4 lb)
Display
Type:
Easy access via removable cover panel on
transmissometer
Size:
4-digit: red LED
Parameters:
0-99.99%; 0-999mg/m
3
also used for
configuration and diagnostics
Содержание Land 4200
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