DURAG
     D-R 300 - Soot Monitor
     D-R 300-40 - Dust Concentration Monitor
     D-R 800 - Dust Concentration Monitor
     D-RX 250 - Combined Monitor (Dust, Flow, Pressure and Temperature)
     F-904 - Beta Gauge Particulate Monitor
     F-904-K - Beta Gauge Particulate Monitor
     OF-1200 - Soot Monitor (Emission)
     OF-1200i - Soot Concentration Monitor (Ambient Air)

D-R 300 - Soot Monitor

Description:	The D-R 300 works according to the back scattering principle and has been designed to monitor extremely low soot concentrations in light oil fired plants.
Applications:	Measurement of lowest soot concentrations
Sensitivity:	5 µg/m3
Compliance:	TÜV approved
Measuring range:	Smallest measuring range 0 3 soot number, lowest detection limit 0,005 mg/m3
Flue gas temperature:	Above dew point, up to 320°C, higher on request
Accuracy:	< 2% FS
Measured components:	Stray light intensity / soot number
Measuring principle:	Back scattering
Measuring output:	2 analog outputs 0/4...20 mA
Protection:	IP 65
Ambient temperature:	-20°... +50°C
Status/control signals:	Relay outputs and potential free inputs for status signals
System components:	Transmitter/Receiver unit, 2 light traps, control unit, one purge air blower
Test functions:	Automatic zero and span check point
Download:	DR300 Brochure

D-R 300-40 - Dust Concentration Monitor

Description:	The D-R 300-40 works according to the back scattering principle and has been designed to monitor extremely low dust concentrations in various application processes like incinerators, steelworks, cement plants etc.  TÜV approved according to German Clean Air Act, large combustions and waste incinerators.
Applications:	Measurement of lowest dust concentrations
Sensitivity:	0.01 mg/m3
Compliance:	TÜV approved for quantitative emissions monitoring, especially for waste incinerators, GOST
Measuring range:	Smallest measuring range 0...1 mg/m3, largest range 0...100 mg/m3
Flue gas temperature:	Above dew point, up to 320°C, higher on request
Accuracy:	< 2% FS
Measured components:	Stray light intensity / dust concentration
Measuring principle:	Back scattering
Measuring output:	2 analog outputs 0/4...20 mA
Protection:	IP 65
Ambient temperature:	-20°... +50°C
Status/control signals:	Relay outputs and potential free inputs for status signals
System components:	Transmitter/Receiver unit, light trap, control unit, one purge air blower
Test functions:	Automatic zero and span check point
Download:	DR300 Brochure

D-R 800 - Dust Concentration Monitor

Description:	Where other technologies fail, the D-R 800 measures precisely even lowest dust concentrations by means of scattered light principle integrated into a measuring lance. Mechanical adjustment and alignment on dust free measuring section are not necessary.
Applications:	Monitoring minimal dust concentrations
Measuring range:	0...10/200 mg/m3
Flue gas temperature:	Above dew point, up to 220°C, higher on request
Accuracy:	2% of measuring range
Measured components:	Stray light intensity / dust concentration in mg/m3
Measuring principle:	Forward scattering
Measuring path:	Stack wall thickness < 0.4 m
Measuring output:	0/4...20 mA analog output
Interfaces:	RS 485 Modbus RTU
Protection:	IP 65
Ambient temperature:	-20°... +50°C
Status/control signals:	relay outputs and potential free inputs for status signals
System components:	Transmitter/Receiver unit, control unit, connection box with blower
Test functions:	Automatic zero and span check point
Download:	DR800 Brochure

D-RX 250 - Combined Monitor (Dust, Flow, Pressure and Temperature)

Description:	Single-rod measurement probe for the simultaneous measurement of: Dust concentration [mg/Nm3], Volume flow [Nm3/h], Temperature [°C], Absolute pressure [hPa]; Only one probe / mounting aperture in flue-gas duct Operation and evaluation unit can be connected at up to 1000 m distance via bus interface; For measurements according to the TA Luft emission standard, 13., 17. and 27. BImSchV.
Applications:	Continuous measurement of dust, flow, temperature and pressure behind filtering systems
Compliance:	TÜV approved for qualitative emissions monitoring
Measuring range:	Dust concentration: 0...10 up to 0...500 mg/Nm3; Volume flow 0...999.999 Nm3/h; Temperature: 0...300°C; Pressure: 900...1.300 hPa
Flue gas temperature:	Above dew point, up to 200°C, higher on request
Measured components:	Dust concentration in mg/m3 or mg/Nm3; Volume flow in m3/h or Nm3/h; Temperature in °C; Pressure in hPa
Measuring principle:	Tribo electric + differential pressure
Measuring path:	> 0.3 m
Measuring output:	4 analog outputs 0/4...20 mA, variable assignment
Interfaces:	RS485 Modbus RTU
Protection:	IP 65
Ambient temperature:	-20°... +50°C
Status/control signals:	relay outputs for status signals
System components:	Probe, transmitting and operation unit and differential pressure transformer
Test functions:	Automatic zero and span check point
Download:	DRX250 Brochure

F-904 - Beta Gauge Particulate Monitor

Description:	The F-904 is an extractive Dust Concentration Monitor for measurement/monitoring of dust concentrations in industrial plants. It has been designed especially for wet stack gases. With a heated sampling system the sample gas will be sucked and the dust sampled on a filter tape. The dilution of the sample gas allows to measure high dust concentrations.
Applications:	Coal and oil fired power plants, waste incinerators and waste water sludge incinerators, measurement/monitoring of dust concentration after wet scrubbers, in very wet waste gases in other process applications, heavy metal analysis, measurement of dust concentration in a large range, sampling points on limited mounting positions and small stack diameters; Measurement of Dust Concentration in wet gases.
Sensitivity:	< 0,3 mg/Nm3
Compliance:	German equivalency test for all burners incl. waste incinerators, Korean MOE approved
Measuring range:	Dust concentration: 0...1 up to 0...2000 mg/Nm3
Flue gas temperature:	low (below dew point) and high temperatures
Accuracy:	5% of measuring range
Measured components:	Dust concentration in mg/Nm3, gas sample dry, temperature in °C
Measuring principle:	Absorption of Beta-radiation
Measuring output:	Analog outputs: 4...20 mA for dust concentration (variable range assignment) and dust mass (fixed assignment)
Interfaces:	Analog outputs, digital status signals (inputs, outputs)
Protection:	IP 54
Ambient temperature:	0°...50°C
Status/control signals:	relay outputs and inputs for status signals
System components:	Sample probe, Sample line, measuring instrument
Test functions:	Automatic zero and span check point, reference foil
Download:	F904 Brochure

F-904-K - Beta Gauge Particulate Monitor

Description:	The F-904's major components are housed in a sturdy cabinet and are easily accessible for periodic inspection and maintenance.  The Model F-904-K Extractive Beta Gauge Particulate Monitor is designed for a wide range of emission monitoring applications.
Applications:	Coal and oil fired power plants, waste incinerators (urban, industrial and hazardous waste), waste water sludge incinerators, dust monitoring after wet scrubbers, heavy metal analysis, small diameter stack monitoring, particulate monitoring in process applications (bag houses, etc.); transportable version for mobile applications.
Download:	F904K Brochure

   
OF-1200 - Soot Monitor (Emission)

Description:	The OF-1200 is a Soot Meter, based on sampling of soot particles on a filter tape in a sample gas volume of an emission and measurement of optical reflection.  It has been designed to monitor soot concentrations in light oil fired plants.
Applications:	Measurement of soot concentrations in emission
Sensitivity:	0.1 RZ
Compliance:	German equivalency test according to TA Luft
Measuring range:	0...3 RZ
Flue gas temperature:	Low (below dew point) and high temperatures
Accuracy:	< 5% of measuring range
Measured components:	Smoke spot number RZ
Measuring principle:	Differential optical reflection of a filter before and after sampling of soot
Measuring output:	Analog output 4...20 mA for Rußzahl RZ (fixed assignment)
Interfaces:	RS 232, device interface (analog outputs, digital status inputs and outputs)
Ambient temperature:	0°...50°C
Status/control signals:	Relay outputs and inputs for status signals
System components:	Sampling system (inlet, sample line), measuring instrument
Test functions:	Automatic zero check point, reference foil
Download:	OF1200i Brochure

OF-1200i - Soot Concentration Monitor (Ambient Air)

Description:	The OF-1200i is a Soot Concentration Meter, based on sampling of soot particles on a filter tape in a sample gas volume of the ambient air and measurement of optical reflection.
Applications:	Measurement/monitoring of soot concentrations in the ambient air
Sensitivity:	< 0.2 µg/m3 (1h-suck cycle)
Compliance:	Conforms to TA-Luft
Measuring range:	0...360 µg/m3
Flue gas temperature:	Ambient temperature
Measured components:	Smoke spot number RZ
Measuring principle:	Differential optical reflection of a filter before and after sampling of soot
Measuring output:	Analog output 4...20 mA for soot concentration 0...360 µg/m3 (fixed assignment)
Interfaces:	RS 232, device interface (analog outputs, digital status inputs and outputs)
Ambient temperature:	0°...50°C
Status/control signals:	Relay outputs and inputs for status signals
System components:	Sampling system (inlet, sample line), measuring instrument
Test functions:	Automatic zero check point, reference foil
Download:	OF1200i Brochure