DURAG D-R 800
General Details
Scattered Light Dust Monitor
Certified scattered light dust monitor to detect low to medium concentrations of dust in dry flue gas and process gas.
Suitable for dust concentration measurement in mg/m3:
- at incineration in general,
- at installations according 2000/76/EC WID / 17 BImschV
- at garbage, hazardous waste incinerators
- at facilities for cement production
- at installations according 2001/80/EC LCPD / 13 BImschV / Clean Air Act
- at power stations with gas, oil, coal or co-firing
- at installations for the incineration of biomass
- at facilities pursuant to 27th BImschV
Suitable for monitoring of filter systems.
Overview
- In situ measurement, continuous measurement
- Suitable for systems with variable gas speed
- Allows calibration to measure the dust concentration
- Qualitative dust measurement for monitoring the functions of filters
- Single sided mounting on the chimney
- Automatic zero and reference point check
- Automatic measurement and correction of contamination of optical surfaces
- Laser light source with long lifetime
- No moving parts inside of the chimney
- Easy installation, adjustment and maintenance without a PC
- Local control panel with LCD display
- Automatic range switching
Specification
D-R 800 Application Data |
|
| measurements | stray light value, calibrated as dust concentration [mg/m3] |
| sample gas | air, flue gas, non-flammable process gas, dust concentration typically** 0,5 – 10 / 10 – 200 mg/m3 (.00022 – .0044 / .0044 – .087) |
| duct diameter | > 0,3 m (1 ft) |
| sample gas temperature | -25 … 220°C (-13°F ….. 428°F) |
| sample gas pressure | -50 to +10 hPa, others on request |
| sample gas moisture | < 95 % relative humidity (non-condensing) |
| ambient temperature | -20 to +50°C ( -4°F to+ 122°F) , others on request |
| compliances | 2000/76/EG WID / 17. BImschV 2001/80/EG LCPD / 13. BImschV 27. BImschV EN 13284/1 EN 14181 prEN 15267-3 |
D-R 800 Specifications |
|
| measuring principle | measurement of light intensity of laser light scattered by dust particles in forward direction |
| light source | laser diode, red 650nm |
| type | in situ, installation at stack, probe in contact with sample gas |
| system components | D-R 800 P probe with measuring head D-R 800 SU purge air unit accessories |
| measuring range | 0 – 2.500 SLU-x scattered light units in 4 selectable ranges |
| expanded uncertainty EN 14181 / EN ISO 14956 / EN 15267-3 |
better than 0,7 mg/m3 (.00031 gr/ft3) at particle size 1-2mü |
| output ranges | free assignment of SLU values, scaled to mg/m3 concentration to 2 analog outputs. |
| process connection | flange, 100mm (4 in) pitch circle, similar to DN 40 PN 6 pipe ID = 70mm |
D-R 800 P probe with measuring head |
|
| measurement outputs | 2 x 4-20 mA / 500 Ohm, isolated 1 x RS 485, Modbus RTU |
| status outputs | 4 x transistor output, function programmable |
| status inputs | 2 inputs, funtion programmable |
| analog signal input | 1 input, function programmable |
| power supply | 24 VDC +- 10% |
| protection | IP65 |
| dimensions (h x w x d) | 60 x 160 x 600 or 1000 mm (2.25 x 6.25 x 23.5 or 39.25 in) immersion depth: 400 or 800 mm (15.75 or 31.5 in) |
| weight | 7 kg (15.5 lbs) |
| material | probe, in contact with sample gas: 1.4571 measuring head: Al cast alloy, painted RAL 5017 |
D-R 800 SU purge air unit |
|
| purge air flow rate | 5 – 10 m3/h |
| power supply | 90-264 VAC, 47-63 Hz, 50 VA |
| status output | 4 x relay, controlled by D-R 800 P transistor outputs 1 x relay for purge air monitoring* max. load 48V, 0,5A |
| dimensions (h x w x d) | 380 x 300 x 210 mm (15 x 11.75 x 8.25 in) |
| weight | 13 kg (28.5 lbs) |
| material | 1.4301 |
| remarks | * variants ** the suitability of the D-R 800 for the listed ranges depends on the kind of dust and the size distribution Subject to technical modifications! |
Certificate
