D-R 320 Dust Monitor

Detects lowest to medium dust concentration

D-R 320 Dust monitor for industrial stacks

Proven Technology and Easy Installation

The D-R320 is a high quality dust monitor to detect lowest to medium dust concentrations in dry flue and process gas. Based on the back-scattered light principle, the light of a red laser diode illuminates the dust particles in the measuring volume of the flue gas duct. The light is then scattered backward by these particles and are detected and evaluated.
A unique feature of the D-R 320 is the automatic background light compensation including an optical system with dual detector. This allows an easy and quick installation without any adjustment nor light trap.

Brochure

Exclusive Features

D-R 320 Dust Monitor for industrial stacks

Easy setup and installation on standard flanges

No adjustment needed

Continuous measurement of dust concentration

Using the back scattering principle

Convenient operation and low maintenance

Automatic control functions with possible access remote and long service intervals

Automatic Functionalities

Background light compensation, no light trap and integrated purge, air monitoring and control

Easy Data transfer

via Modbus compliant with VDI 4201-3

Certification

Certified acc. to EN 15267

Specifications

D-R 320 Dust Monitor for industrial stacks

Analytical Performances
Technology Back scattering

Measuring range min. 0 …5 mg/m³
max. 0 …200 mg/m³

Certified measuring range Dust concentration 0…7.5 mg/m³

Integration time 1…180 s, programmable

Output range dust concentration Output range freely programmable. Any range within the measuring range can be assigned to the analogue output.
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 NC/NO, permissible load 60 VDC / 30 VAC / 0.5 A, function can be assigned. Typically: maintenance, failure

Process Connection DN100 PN6 / ANSI 4“ 150lbs RF. Single-sided, on a standard flange in any orientation. No adjustment at site required; no light trap required.
Construction
Enclosure IP65 Ingress Protection

Certification CE, QAL1 EN 14181 / EN 15267-1 / EN 15267-2 / EN 15267-3, MCERTS

Wetted materials Stainless Steel 304L

Weight 15 kg

External dimensions 200 (W) x 190 (D) x 260 (H) (units: mm)

200 (W) x 190 (D) x 410 (H) (Variants)

Power supply 24 VDC, 0,5 A

Installation automatic background light compensation with means of a patented optical system with dual detector which allows for an easy and quick installation without any adjustment. A light trap is not required.

Measured Parameters

D-R 320 Dust Monitor for industrial stacks

Automatic control functions ensure reliable measuring values
Reliability has the highest priority when measuring emissions. For that reason the D-R 320 automatically performs zero and span check as well as contamination check in regular intervals and on demand. The device features an automatic contamination correction. Need for maintenance is immediately indicated by the electronics.

MEASURING PARAMETER	RANGE
Dust Concentration	min. 0 …5 mg/m³ max. 0 …200 mg/m³
Certified Dust Concentration Measuring	0…7.5 mg/m³

Stack mount installation

D-R 320 Dust Monitor for industrial stacks

The D-R 320 does not require a light trap. The background light in the stack is detected by means of a special optical system with dual detector and automatically compensated without the need of any manual adjustment. On of the main advantage of this new design is the quick and easy installation, completely without adjustment at site. So the D-R 320 is ready for operation directly after installation and flexible for different applications. Even after a conversion to a different measurement point the device is operational

Single sided installation on standard flanges without light trap

The D-R 320 allows single sided installation at the stack and requires just a small wall opening. It can be mounted in any orientation via a rotatable connection on existing DN 100 PN 6 or ANSI 4“ 150 lbs standard flanges. This reduces time and costs for installation.

ACCESSORIES

The universal operation unit D-ISC 100 allows for the connection of up to 8 DURAG measuring heads and enables the combination of dust and flow measurements. The D-ISC 100 offers convenient operation and parameterisation of the connected devices. The display provides an immediate overview of the current measurements and the status of the devices.

- - - - Modular design, many extension modules available
      - Local operation with keypad, through USB port or remotely through RS-485 interface.
      - Connection of up to 8 measuring heads

DOWNLOADS

Certificate of Conformity

Environmental Monitoring Questionnaire

Stack Monitoring Solution

Industrial Stacks

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.

Continuous emission monitoring applicable for a wide range of applications, such as:

cement plants
waste, hazardous waste and sewage sludge incineration plants
power plants with gas, oil, coal or cofiring
plants for the incineration of biomass
on plants according to IED 2010/75/EU
on plants according to 2001/80/EC LCPD
on incineration plants generally

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D-R 320 Dust monitor for industrial stacks

Proven Technology and Easy Installation

Exclusive Features

Specifications

Analytical Performances

Pleasant interface

Construction

Measured Parameters

Stack mount installation

ACCESSORIES

DOWNLOADS

Stack Monitoring Solution

Industrial Stacks

D-R 290

D-R 808

D-R 820 F

D-R 220

D-R 120

Cases Studies

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