- Combination of transmittance and scattered light measurement
- For very low to high dust concentrations
- Automatic check of zero and reference point
- Contamination monitoring and compensation on both sides
- Automatic self-alignment
- For medium to large duct diameters
Product Specifications:
Measured values:
Transmittance, opacity, relative opacity, extinction, dust concentration (scattered light), dust concentration (transmittance), scattered light intensity
Performance-tested measurands:
Scattered light intensity, extinction
Measurement principles:
Transmittance measurement scattered light forward
Spectral range:
Transmittance measurement: 450 nm ... 700 nm
Scattered light forward: 640 nm ... 660 nm
Laser, protection class 2, power < 1 mW
Measuring ranges:
Transmittance: 100 ... 90 % / 100 ... 0 %
Opacity: 0 ... 10 % / 0 ... 100 %
Relative opacity: 0 ... 10 % / 0 ... 100 %
Extinction: 0 ... 0.045 / 0 ... 2
Dust concentration (scattered light): 0 ... 5 mg/m³ / 0 ... 200 mg/m³
Dust concentration (transmittance): 0 ... 200 mg/m³ / 0 ... 10,000 mg/m³
The transmittance measurement depends on measuring distance and dust properties
Certified measuring ranges:
Dust concentration (scattered light): 0 ... 50 SI / 0 ... 5 SI / 0 ... 20 SI / 0 ... 100 SI / 0 ... 200 SI
Dust concentration (transmittance) 0 ... 0.1 Ext / 0 ... 0.05 Ext / 0 ... 0.2 Ext / 0 ... 0.5 Ext / 0 ... 1 Ext
Response time (t90):
1 s ... 600 s
Adjustable
Accuracy:
± 2 %
Conformities:
Approved for plants requiring approval
2001/80/EC (13. BImSchV)
2000/76/EC (17. BImSchV)
27. BImSchV
TA-Luft (Prevention of Air Pollution)
EN 15267
EN 14181
MCERTS
2010/75/EU
U.S. EPA PS-11 compliant
U.S. EPA PS-1 compliant
Electrical safety:
CE
Corrective functions:
Automatic self-alignment
Test functions:
Automatic self-test (linearity, contamination, drift, aging)
Contamination limit values: Warning at 30%; fault at 40%
Manual linearity test with reference filter
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