D-R 220 Dust and optical opacity monitor

DR-220 Dust and Optical Opacity Monitor

RELIABLE TECHNOLOGY AND CONVENIENT OPERATION

DR-220 Dust and Optical Opacity Monitor operates under a contactless measurement process according to the transmission principle. The D-R 220 functions using the double-pass method according to the auto-collimation principle. In other words, the light beam emitted by the transceiver crosses the measuring path twice. Consequently, the attenuation of the light beam by the dust in the measuring section is detected and evaluated (a long-life LED is used as a light source).

The D-R 220 is one of the smallest monitoring device on the market and the most cost effective DURAG dust monitor. Operating the D-R 220 is very convenient, cost effective and easy to use.

Brochure

Exclusive Features

DR-220 Dust and Optical Opacity Monitor

Reliable emission monitoring

Automatic control functions ensure reliable measuring values. Suitable for medium and high dust concentrations on short to medium measuring lengths.

Cost-effective and small measuring system

The D-R 220 is the smallest available and the most cost effective DURAG dust monitor

Manual Functionalities

Linearity test with reference filters and Contamination check

Automatic Functionalities

Zero and reference point check and internal self-test

Easy installation and Setup

With universal operating unit and adjustment tool. No gravimetric calibration needed when using transmission principle for reliable opacity monitoring

Broad functional range due to dual-path transmission principle

The sensitivity scales up with growing duct diameter. This allows for measuring very low dust concentrations in very big stack diameters and vice versa very high dust concentrations in small stack diameters

Convenient operation

Including remote access capability

Low maintenance

Durable LED and contactless measurement

Specifications

DR-220 Dust and Optical Opacity Monitor

Analytical Performances
Technology Double-pass method according to the Autocollimation principle

Measuring values Opacity (PLC), optical density, dust concentration in mg/m³, mg/Nm³ (after gravimetric calibration), extinction coefficient, visibility

Measuring range transmission 100 … 0%

Measuring range opacity 0 … 100%

Measuring range dust concentration 0 … 5000 mg/m³ (depending on calibration)

Lowest detection limit 0.2% transmission

Output range dust concentration Output range freely programmable.
Pleasant interface
Digital Interface RS 485 Modbus RTU, bi-directional communication, USB (Service)

Analogue Outputs 1x 4-20mA, 400 Ohm, isolated, assignment parameterisable

Digital Outputs 2 x contact NO, permissible load 60 VDC / 30 VAC / 0.5 A, function can be assigned. Typically: maintenance, failure
Construction
Enclosure IP65 Ingress Protection

Certification CE, Pattern Approval Certificate PRC

Weight 2.7 kg

External dimensions 150 (W) x 132 (D) x 331 (H) (units: mm)

Power supply Sensor supply voltage 24 VDC, 0.4 A

Material Housing: Polyamide, RAL 5017, fire class B1 (UL 94 V0), Purge air flange: 1.4571 (316 Ti)

Measured Parameters

DR-220 Dust and Optical Opacity Monitor

MEASURING PARAMETER	RANGE
Dust Concentration	0 … 5000 mg/m3 (depending on calibration)
Output range dust concentration	Freely programmable
Measuring range transmission	100 … 0%
Output range transmission	Freely programmable
Measuring range opacity	0 … 100%
Measuring range extinction	0 … 1.6
Lowest detection limit	0.2 % transmission

System component and installation

DR-220 Dust and Optical Opacity Monitor

Easy installation and commissioning with universal operating unit and adjustment tool

The universal operating unit D-ISC 100 allows connecting several DURAG measuring systems at once. Dust and volume flow measurements can be combined in this way.
● Operation either via built-in panel or via remote access
● Modular design, many expansion options available

Options

● Universal operating unit D-ISC 100 offers additional inputs and outputs
● Calibrated filters for linearity check
● Adjustment tool

DOWNLOADS

Certificate of Conformity

Environmental Monitoring Questionnaire

Combustion Monitoring Solutions

With stricter environmental regulations optimisation of the combustion process for reduced pollutant emission and higher fuel efficiency is a major objective for manufacturers.

Monitoring solutions and applications for stack industries

Oxygen concentration monitoring, in combustion flue gas to ensure fuel efficiency of the industrial burners.

Low dust concentration monitoring, to ensure continuous measure and control dust emissions to all stacks industries.

Available for a wide range of applications, such as:

Continuous dust concentration measurement in
● Incineration plants
● Power plants, thermal power stations
● Cement plants
● Converters or asphalt mixing plants
● Biomass incineration plants

Opacity measurements on ships operating in non-US-EPA areas
● Ro-Ro ships
● Cruise ships
● Container ships

Also suitable for
● Cost effective process monitoring
● Filter monitoring
● Measurement of ambient air dust-load in halls or warehouses

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Automatic sampling device for gravimetric dust measurements

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DR-220 Dust and Optical Opacity Monitor

RELIABLE TECHNOLOGY AND CONVENIENT OPERATION

Exclusive Features

Specifications

Analytical Performances

Pleasant interface

Construction

Measured Parameters

System component and installation

Options

DOWNLOADS

Combustion Monitoring Solutions

D-R 290

D-R 320

D-R 808

D-R 820 F

D-RC 120

Cases Studies

SERVICES & PRODUCTS ENQUIRIES

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APPLICATIONS