Description
OVERVIEW
- Continuous and contactless measurement
- Automatic zero and span check
- Automatic measurement and correction of contamination of optical surfaces
- Extremely powerful and stable super-wide band diode (SWBD) light source
- Extremely low-maintenance
- Fail-safe shutters with purge air monitoring as option
- Certified according to EN 15267-3
- Compliant with US-EPA 40 CFR 60 PS1, PS11, and ASTM D6216 – 12
MEASURING PRINCIPLE
The D-R 290 operates using the double-pass method according to the auto-collimation principle. The light beam traverses the measuring path twice. The attenuation of the light beam caused by the dust content in the measuring path is measured and evaluated.
TECHNICAL DATA
| Flue gas type | Air, flue gas, non flammable process gas |
| Flue gas temperature | Above dew point up to 250 °C standard, optional up to 1000 °C |
| Inner stack/duct pressure (relative to ambient) | -50…+20 hPa |
| Flue gas relative humidity | 0…95% RF, non-condensing |
| Stack/duct inner diameter | <0.5…18 m (depending on application, flange type and reflector type) |
| Measuring path length | 1…18m (depending on application, flange type and reflector type) |
TECHNOMASTER IS A CERTIFIED DISTRIBUTOR FOR DURAG IN EGYPT
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