Model 4500 Premier Dust and Opacity Monitor
121
C5
System Specification
C5-1 4500 Premier Dust and Opacity Monitor
Measuring
Technique:
Double pass/path transmissometry
Operating Wavelength:
520 ± 20 nm
Light Source:
High Intensity LED
Range:
Opacity 0 – 10 % to 0 – 100 %
Optical Density 0 – 0.1 to 0 – 3.0
Dust Density 0-10 to 0 to 4000 mg/m
3
User Selectable
Linearity:
< 2 % of range
Resolution:
0.1 % Opacity; 0.001 Optical Density; 0.1 mg/m
3
Dust
Drift:
< 3 % of range per month
Angle of Projection:
< 2
o
Angle of View:
< 2
o
Response Time:
1 second to 90 % of final value
Averaging:
Selectable from 10 seconds to 24 hours (in 1 second steps)
Pathlength:
0.7 to 10 m / 2 to 33 ft (option up to 20 m / 66 ft)
Calibration:
Automatic zero and upscale calibration
(Selectable interval 1 to 24 hours in 1 hour steps)
Zero Correction:
Automatic correction for zero drift
Control Panel
Display:
2 x 16 character reflective backlit LCD with adjustable contrast control
Keypad:
7 keys for data input
Indicators:
System OK, Alarm 1, Alarm 2, Zero calibration,
Span calibration
Summary of Contents for 4500 MKII Premier
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