D-R 290Certified optical transmission analyzer to measure the opacity or dust concentration of sample gas. Suitable for plants which require the monitoring of dust missions by law.

D-R 290

 

D-R 290 Application Data
measurements	opacity, extinction / optical density, allows calibration as a dust concentration in mg/m3
sample gas	air, flue gas, non flammable process gas
dust concentration** (typical values at the site)	0,5 - 15.... / 500 - 10.000 mg/m3 (.0002-.0065 / .22 - 4.37 gr/ft3)
duct diameter	1 - 2,3 m / 1 - 8m* / 1 - 12m* / 1 - 18m* (3.3 - 6.5 , 9.8 ft./ 3.3 - 26.2ft* / 3.3 - 39.4 ft* / 3.3 - 59 ft*)
sample gas temperature	-25 … 250°C / 400°C* / 600°C*, (-13...482°F / 752°F* / 1112°F*) others on request
sample gas pressure (relative to ambient pressure)	-50 to +20 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 13284-2, EN 14181 EN 15267-3 40 CFR 60 US EPA PS1 40 CFR 60 US EPA PS11
certificates	CE, COC QAL1 DIN EN 14181 / DIN EN ISO 14956 /prEN 15267-3, MCERTS, Pattern Approval GOST R, Pattern Approval certificate Rep.of Belarus, Pattern Approval Certificate PRC, MCOC 40CFR 60 EPA PS1
D-R 290 Specifications
measuring principle	measuring the optical transmission of visible light which passed a measuring path twice
light source	SWBD LED white, 450 - 680 nm
type	in situ, mounted at stack, device not in contact with sample gas
system components	D-R 290 M measuring head D-R 290 R Reflector D-R 290 AW2 / AG Evaluation unit D-R 290 AZ2/AG display unit * D-BL purge air unit accessories
measuring ranges	0 - 97,5 % Opacity 0 - 1,6 EXT (Optical density)
expanded uncertainty EN14181 / EN ISO14956 / EN15267-3	better than 0,0063 Ext, related to ca. 1 mg/m3 (.0004 gr/ft3) for particle size 1-2mü and duct diameter D = 5m (16.5ft)
output ranges	0-20% ... 100% Opacity 0 to 0,1 ... 1,6 extinction, can be assigned in 2 ranges to 2 analog outputs, measured values are displayed at D-R 290 AW2/AZ2 as opacity, extinction or scaled to dust concentration
process connection	2 x adjustment flange, 100mm (4 in) bolt circle, pipe ID = 59, 83*, 105* mm (2.25 x 3.25 x 4.25 in) 2 x adjustment flange, 150mm (6in) bolt circle*, pipe ID = 59 / 83* / 105* mm (2.25 x 3.25 x 4.25 in)
DR 290 M measuring head
power supply	+ 5 VDC, +- 15 VDC
dimensions (hxwxd)	ca. 370 x 190 x 400 mm (14.5 x 7.5 x 15.75 in.)
protection	IP65, Ex II 3G Ex pz II T4* Ex II 3D Ex pz II T4* others on request
weight	ca. 10 kg  (22 lbs.)
material	Al cast alloy, painted RAL 5017
D-R 290 AW2 + D-R 290 AG2 Evaluation unit D-R 290 AZ2* + D-R 290 AG2 Display unit*
measurement outputs	2 x 4-20 mA / 500 Ohm, RS 485 - Modbus RTU*, Profibus DP*
status outputs	6 relay outputs, programmable function, resilience 48 V / 0,5 A
analog signal inputs	1 x 4 - 20 mA, can be configured
status inputs	6 potential free inputs, programmable function
supply	90 - 264 VAC, 48 - 62 Hz, 30 VA
protection	IP 65
dimensions (hxwxd)	ca. 260 x 190 x 220 mm (10.25 x 7.5 x 8.75 in.)
material	Al cast alloy, painted RAL 5017
D-R 290 R Reflector
weight	ca. 7 kg (15.5 lbs.)
material	Al cast alloy, painted RAL 5017
D-BL Blower unit
purge air flow rate	max. 40/60 m3/h at dPtot 50/25 hPa, others on request
power supply	115 / 230 VAC, 50 / 60 Hz, 0,37 / 0,43 kW, others on request
protection	IP 55
dimensions (hxwxd)	480 x 450 x 320 mm (19 x 17.75 x 12.5 in.)
weight	12 kg (26.5 lbs.)
material	1.4301
remarks	* variants ** the suitability of the DR 290 for the listed ranges depends on the kind of dust, the size distribution and the duct diameter Subject to technical modifications!

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Optical Dust and Opacity Monitor Certified optical transmission analyzer to measure the opacity or dust concentration of sample gas. Suitable for plants which require the monitoring of dust missions by law.

Features: Suitable for systems with variable gas speed Allows calibration to measure the dust concentration in mg/m3 Measures opacity and/or optical density Can be used even at thick-walled stone / insulated ducts Device is not in contact with sample gas Automatic zero and reference point check Automatic measurement and correction of soiling of optical windows Super-wide band diode (SWBD), long life, reduced influence of variable particle sizes Hermetically sealed enclosures - no flue gas diffusion to optics or electronics unit Optimized purge air reduces pollution, provides long maintenance intervals Heated optical window Easy installation, adjustment and maintenance, no PC required Local control unit displays opacity, extinction or mg/m3 values Additional display unit as an option in up to 1000m distance Automatic range switching output Certifications:

Applications: Suitable for dust concentration measurement: at incinerators in general at installations in accordance with 2000/76/EC WID / 17 BImschV at garbage, hazardous waste and sewage sludge incinerators, at facilities for cement production at installations in accordance with 2001/80/EC LCPD / 13 BImschV / Clean Air Act at power stations with gas, oil, coal or co-firing at converter plants and asphalt mixing plants at installations for the incineration of biomass at facilities pursuant to 27th BImschV Suitable for measuring the opacity in flue gas: at equipment in accordance with U.S. EPA 40 CFR 60 PS1 at cruise and container ships Suitable for measurement of dust load in warehouses. Downloads: Product brochure D-R 290 -en- (151.1 kB)