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Products
Hand-Held Flue Gas Analysers
Portable Flue Gas Analysers
Continuous Emission Monitors (CEM's)
Dust / Opacity Monitors
Ambient Air Quality Monitoring Stations
Engine Exhaust Analysers
Gas Detectors
Efficiency Monitoring
Water Quality
Meteorology
Pressure & Flow Measurement : AIR
Pressure & Flow Measurement : LIQUID
Temperature Measurement
Samplers & Sample Preparation Equipment
Biogas-/ Syngas Analysis
Engine Exhaust Gas Analysis
Mercury Monitoring
Source / Stack Testing
Effluent Monitoring


  Products > Contiuous Emission Monitors > Dust & Opacity Analysis > DM 400



Double pass transmissometry.
 > For continuous measurements across the     stack.
 > Long-life LED source.
 > Opacity or mg/m3.



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Brochure DM 400
Questionnaire for dust applications
STANDARD SCOPE OF DELIVERY TECHNICAL DATA
  • Transceiver and Retroreflector.
  • Micro processor technology.
  • Software for digital data management.
  • Automatic cleaning mechanism.
Dimensions and other data
Dimensions 404 x 127 x 157 mm and 200 x 127 x 127 mm
Weight appr. 7,0 kg
Operating Temperature -20 ... +55°C
Power Supply 90 ... 240 VAC, 50 ... 60 Hz, 10W
Display 4 digit LED
Analogue Signal 4 ... 20 mA
Measuring Technique: Double pass transmissometry
Light source: Dual LED
Ranges: User selectable full scale 10 to 100 % opacity for 0 to 999
Accuracy: ± 2 % Opacity (± 5 % for pathlength > 7,5 m)
Response Time : 5 seconds to 90 % of final value after step setup
Resolution : ± 0,25 %
Drift : < 2 % opacity / dust per month
Calibration : On site by gravimetric reference analysis (VDI 2066)