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D−R 820 F Dust Concentration Meter GmbH · Kollaustraße 105 · 22453 Hamburg · www.durag.de D−R 820 F...
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Reference addresses can be found on page 121. • or parts of it may not be duplicated or communicated without the express consent of DURAG GmbH, irrespective of by which method or means, electronic or mechanical, this occurs.
Contents Contents Foreword General Brief overview of the contents Typographical conventions Meaning of the warnings and notes used Safety instructions General Blower Qualified personnel Product Description Notes on delivery Notes on warranty Notes on the product (overview) Identification of the product Scope of supply Special accessories Design...
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Technical data 11.1 General 11.2 Factory setting EC Declaration of Conformity Standards and regulations Spare and wearing parts Glossary Index 16.1 List of illustrations 16.2 List of tables Circuit diagrams and drawings Menu plan DURAG GROUP company addresses D−R 820 F...
We hope that the information provided here will enable us to do Should you have any further questions on products or applications from the DURAG GROUP, please use our Support & Service! You will find the relevant addresses and telephone numbers on page 121 (DURAG GROUP company addresses).
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D−R 820 F Dust Concentration Meter General Brief overview of the contents Typographical conventions Meaning of the warnings and notes used...
If you require further information or if problems occur which are not dealt with in sufficient detail in this document, please ask your competent DURAG GmbH representative for the required information (see page 121 DURAG GROUP company addresses).
General Typographical conventions In order to make the text of this manual clear, text elements such as safety in- structions, warnings, tips, keyboard symbols, menu addresses etc. are dis- played differently. The following conventions apply in this manual: • Safety instructions and warnings appear as follows in this manual: WARNING Danger from electrical equipment Before removing the housing or accidental-contact protection, the equipment...
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General DANGER Failure to comply with instructions highlighted in this way can result in severe and even fatal injuries. Also means that substantial damage to property can occur, if the relevant pre- cautions are not taken. > Comply with all hazard warnings, in order to prevent injuries. WARNING Failure to comply with instructions highlighted in this way can result in serious injuries or damage to property.
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D−R 820 F Dust Concentration Meter Safety instructions General Blower 2.2.1 Suction action 2.2.2 Blow-out action 2.2.3 Temperature 2.2.4 Noise development Qualified personnel...
Safety instructions Safety instructions Safety instructions and warnings are provided at the points in the respective chapters where the information is required. Some warnings are also provided repeatedly for this reason, to ensure that the potential danger arising from a given situation is always highlighted.
Safety instructions • Covers inside the D−R 820 F may only be removed when the system is disconnected from the power supply. • Subassemblies are configured device-specifically and are therefore not in- terchangeable between different D−R 820 F. WARNING Installation, operation, maintenance activities and any repairs must be per- formed exclusively by qualified personnel of the manufacturer, taking account of the pertinent requirements (Zentralverband der Elektrotechnik- und Elektro- industrie e.V./Central Association of the Electrical Engineering and Electronics...
Safety instructions Qualified personnel In the event of unqualified operations on the device or failure to comply with the warnings provided in this manual or affixed to the device, physical injuries and/or damage to property can occur. Only appropriately qualified personnel may therefore perform operations on this device.
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D−R 820 F Dust Concentration Meter Product Description Notes on delivery Notes on warranty Notes on the product (overview) 3.3.1 3.3.2 Features 3.3.3 Measuring procedure 3.3.4 System design Identification of the product Scope of supply Special accessories Design 3.7.1 Probe (in GRP protective housing) 3.7.2 Control unit (with electrical distribution) 3.7.3...
We recommend storing the packaging in case the device needs to be returned for service or repair. Please inform the forwarding agent and the DURAG GROUP of all damage in transit immediately. (For addresses see page 121 (DURAG GROUP company addresses).
Product Description • Technological processes In all situations where unacceptable dust emissions could result in environ- mental pollution, DURAG dust concentration monitors reliably monitor adher- ence to the legal limit values. 3.3.2 Features The D−R 820 F is a highly sensitive system for continuous ( ) extractive dust concentration measurement in accordance with the scattered light principle.
Product Description Scope of supply The Dust Concentration Meter D−R 820 F comprises the following compo- nents as standard: D−R 820 F Control unit with electric power supply, fuses etc. Control cabinet key 2 off side-channel compressors or blowers (except for supply with compressed air or nitrogen) Rack frame for mounting the control unit and both blowers (with protec-...
Product Description Special accessories Flange with welded-in pipe 130 mm (ST37) and seal Alternatively also available in V4A (with separate or integrated return nozzle) Compressed air or nitrogen distribu- tion unit (optional) 1 Vortex Cooler (optional) Design The Dust Concentration Meter D−R 820 F comprises the following compo- nents: •...
Product Description Figure 3.4: View of probe (right side) Figure 3.5: View of probe (left side) A Probe electronics (optical sensor) I Diluting air connection B Measuring chamber K Exhaust air connection C Injector L Injector air connection D 3/2-way ball valve M Temperature measurement E Diluting air distribution N Diluting air connection...
Product Description Figure 3.6: View of probe (front) Probe electronics (optical sensor) Exhaust air connection Measuring chamber Injector air connection Injector Temperature measurement 3/2-way ball valve Diluting air connection Diluting air distribution Diluting air heat element Δp-Measurement Solenoid valve Filter purge air optical sensor Check valve purge air optical sensor D−R 820 F...
Product Description 3.7.1.1 Probe ventilation The probe of the D−R 820 F is thermostatically ventilated with a blower fan or a Vortex Cooler supplied with compressed air or nitrogen, depending on de- sign (see Figure 3.7). Housing fan Inlet filter Compressed air / N Vortex Cooler Cooling medium...
Product Description 3.7.2 Control unit (with electrical distribution) The control unit is designed as a three-piece 19" protective box (48.3 cm). The complete electrical connection, the signal calculation and the display and out- put of the measured dust values take place in the control unit. The display and control unit can be accessed by opening the inspection win- dow.
Product Description 3.7.3 Rack frame The control unit and the two blowers are mounted on a rack frame. This can be easily fixed to a wall or the floor. ca. 430 mm ca. 600 mm ca. 550 mm Figure 3.10: Rack frame A Control unit D Blower diluting air B Cable run...
Product Description Function The Dust Concentration Meter D−R 820 F is a highly sensitive system for con- tinuous, optical, extractive dust or dust concentration measurement. A defined partial current is removed from the exhaust gas current. This partial current is continuously heated and diluted with clean, tempered ambient air.
Product Description Figure 3.12: D−R 820 F Functional diagram with compressed air supply and probe venti- lation 3.8.1 Measuring principle 3.8.1.1 General This Operating Manual describes all aspects of extractive dust measurement. The design and measuring principle of the optical sensor are described in the Appendix.
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Product Description ches between the actual optical measurement and the comparison path. Con- sequently, there are no moving parts in the corrosive exhaust gas. This also ensures that the termination between optical probe and electronic housing is gas-tight. The basic calibration of the system can be carried out by software. A pollution measurement is performed every 5 min in order to record dust de- posits on the optical boundary surfaces and the ageing of the optical elements.
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Product Description 3.8.1.3 Extractive dust measurement In the case of the D−R 820 F, another mathematical relationship results be- tween the physical values in relation to the optical in-situ measurement (see also chapter 3.8.1 Measuring principle from page 34). The optical signal Cal (scattered light) is dependent on the dust content of the measuring gas, the set dilution of the extracted measuring gas, the temperatures and absolute pres- sures of the gases.
Product Description 3.8.2 Gas ducts The course of the measuring gas can be seen in Figure 3.13. The D−R 820 F continuously samples a partial current from the exhaust gas (suction is per- formed by an injector). As the measuring gas usually contains a strong con- centration of the particles to be measured, a defined (heated) diluting air cur- rent is added to the extracted partial gas current at the probe input of the D−R 820 F (see 3.8.3 Thinning, dilution page 38) , i.e.
Product Description 3.8.3 Thinning, dilution Thinning or ( ) dilution is a measure for the concentration of the extracted measuring gas. The dilution is specified in [%]. Dilution / thinning [%] M & Extracted mass flow rate [kg/s] ⎛ & ⎞...
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Product Description 3.8.5 3/2-way ball valve For self-diagnosis and cleaning of the probe's measuring gas-conducting ele- ments, the 3/2-way ball valve and the purge valve are set to the purge position every 24 hours (default value), so that the probe is cleaned. Ball valve and purge valve are actuated automatically.
D−R 820 F Dust Concentration Meter Assembly Selection of the measuring point Installation of the weld-in socket Installation of the probe Installation of the rack frame Electrical connection 4.5.1 Control unit 4.5.2 Probe...
Assembly Assembly Selection of the measuring point The installation position of the probe should meet the requirements of the gui- delines applicable in-situ (e.g. EN 13284-1) (in Germany VDI 2066 page 1). In case of doubt, we recommend that the installation position is determined by the responsible measuring institute (measuring point in accordance with §§...
Assembly Channel wall 2°...5° Mounting flange 2°...5° Return nozzle (optional) Figure 4.2: Weld-in socket (separate return) Channel wall 2°...5° Mounting flange Return nozzle (optional) Figure 4.3: Weld-in socket (integrated return) In principle the sample gas recirculation could take place back into the room, because it is a matter of highly diluted (injector and diluting air) stack gas.
Assembly Installation of the probe Danger of contamination of the measuring cell! For mounting and during the time up to commissioning the ball valve has to be set to MANUAL and PURGE! For mounting the probe it is recommended to do the following steps: 1.
Assembly B. Connect cables and hoses (Representation of probe+chimney rotated) ( Connect cables) Control unit Analog and status signals Power supply Heating Diluting air Injector air max. 10 m, di=25 mm Blower Blower Diluting air Injector air ( Connect hoses) Air filter Exhaust gas duct/chimney Deluting air...
Assembly Installation of the rack frame The rack frame is manufactured from easily assembled profiled supports. It can be easily fixed to a wall or the floor. The control unit and the two blowers are permanently installed and wired on the rack frame. This arrangement should not be changed.
Assembly Electrical connection 4.5.1 Control unit All connections are implemented as screw terminals in the control unit. A dis- tinction is made between different terminal strips, see Figure 4.7. The terminal strips can be accessed after opening both doors of the control unit (using the control cabinet key).
Assembly 4.5.2 Probe Three sockets are located on the right side of the probe housing for the electri- cal connection of the probe (signals, power supply and diluting air heat ele- ment). The pin configuration of the connectors is specified in the Appendix (see chapter 17 Circuit diagrams and drawings from page 110) Housing cover Housing...
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D−R 820 F Dust Concentration Meter Commissioning...
Commissioning Commissioning CAUTION Risk of measuring cell pollution! Before commissioning, the 3/2-way ball valve must be set to PURGE and AU- TOMATIC (see 3.8.5 3/2-way ball valve page 39)! Figure 5.1: Mounting position optical sensor 1. After removing the housing cover (GRP cover) first insert the optical sensor (D−R 800 F) with its measuring lance into the measurement chamber.
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Commissioning It is advisable, to remove the blue lever after commissioning and keep it readily available nearby, fastened for example with a cable connector. For this reason it is prevented that the valve position (80%) is modified unchecked. Figure 5.3: Mounting position valve for allocation of diluting air 8.
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Commissioning Temperature T e.g. 120 °C Volume flow F: 8 ... 12 m³/h (setpoint value): Temperature TD aprox. e.g. 120 °C Volume flow FD: (setpoint value): 3 ... 6 m³/h Table 5.1: Reference values 16. To alter operating or device parameters (see chapter 6.9 from page 65) remove the narrow cover on the right side of the display and activate the push-button behind (see Chapter 6.7 and Figure 6.4 on page 64).
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D−R 820 F Dust Concentration Meter Operation and Handling Optical sensor Display Operating modes Operation Limit value input Special displays Parameter input Calibration menu and reference point Parameters...
Checking or changing the settings of the D−R 800 F is only necessary and ex- pedient in exceptional cases. Checks or changes should therefore only be car- ried out after consulting the Service department. You will find the relevant ad- dresses and telephone numbers on page 121 (DURAG GROUP company ad- dresses) Display The D−R 820 F displays all necessary information for operation of the measur-...
Operation and Handling Operating modes 6.3.1 Standard mode In standard mode, the display shows the corrected value of the dust content at the measuring point, the currently set measuring range and the operating vari- ables temperature and volume flow. Any status messages are displayed cycli- cally in the bottom line (until the fault or event has ended).
Operation and Handling In service mode, the signals cal (measuring range as set) and pollution of the optical sensor are output at analog outputs 1 and 2 in percent as 4 ... 20 mA. In addition, the automatic measuring range switching for CiB is not active. Operation 6.4.1 Keys...
Operation and Handling Limit value input The D−R 820 F can monitor two independent limit values. A message is gen- erated in the display (only in standard mode) to indicate that the limit value has been reached or exceeded, the corresponding relay is opened and the relevant digital output is set.
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Operation and Handling 6.6.1 Special displays | Language d i s p l a y l a n g u a g e e n g l i s h Change language (German/English) c h a n g e < - >...
Operation and Handling 6.6.5 Special displays | SW version 2 Compilation time of control unit SW b u i l d t i m e : 1 4 : 5 7 : 4 3 Compilation date of control unit SW b .
Operation and Handling Calibration menu and reference point In the Calibration submenu you can enter calibration factors, i.e. the analysis function after a gravimetric comparison (see chapter 8.2 Dust calibration from page 79) or define the reference point (see chapter 8 Calibration on page 79). 8 Calibration page 79 The electric zero points of the sensor electronics and the sensors are defined during the device calibration.
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Operation and Handling • Meaning: Switches the automatic measuring range switching for CiB on or off Setting of the measuring range in mg/m³ occurs under point 6.9.7 Dust and raw signal measuring ranges | page 71 • Auto range = On: Automatic measuring range switching is active.
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Operation and Handling 6.9.2.4 Device parameters | Set device parameters | Factor KD • Parameter: Factor KD • Meaning: Construction factor for purge air differential pressure measurement. Result of factory calibration. 6.9.2.5 Device parameters | Set device parameters | Measuring range temperature •...
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Operation and Handling 6.9.3.6 Operating parameters | Set operating parameters | CO • Parameter: Gas composition, carbon dioxide component [vol%] • Meaning: Input value, carbon dioxide component of exhaust gas volume flow D−R 820 F...
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Operation and Handling 6.9.3.7 Operating parameters | Set operating parameters | H • Parameter: Gas composition, water vapour component [vol%] • Meaning: Input value, water vapour component of exhaust gas vol- ume flow The nitrogen component of the exhaust gas volume is calculated! Example of combustion Example: Dry air...
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Operation and Handling 6.9.4 Integration time | Set integration time • Parameter: Set integration time • Value range: 1 ... 60 seconds • Meaning: Integration time via the measured value in seconds. 6.9.5 Ouput mode | Select output mode • Parameter: Select output mode •...
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Operation and Handling The displayed values must meet the following conditions: in order: Value < 4 % D−R 820 F in need of maintenance: 4 % < Value < 6 % D−R 820 F in fault condition: Value > 6 % D−R 820 F When the check is complete, the D−R 820 F waits for an input at the next menu item.
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Operation and Handling Example - error/event display: No./event code time and date 0 0 / 5 6 1 4 : 2 1 1 4 . 0 6 . 0 7 S t a t u s M a i n t e n Display previous event a n c e N e x t <...
Decommissioning Decommissioning WARNING Risk of burns! The probe tube is heated to a high temperature. Do not touch the probe tube. Wear safety gloves when working with the probe. 1. Set 3/2-way ball valve to MANUAL + PURGE position see Figure 3.17 and purge for 10 to 30 minutes or switch to Purge with the key.
Decommissioning B. Remove probe ( 5. Remove probe) ( 4. Unscrew probe from flange 4x) 2 ... 5 degrees Exhaust gas/flue gas Exhaust gas duct/chimney Figure 7.2: Disassembly part 2 Disposal Note Disposal of the D−R 820 F must occur in accordance with the applicable country-specific environmental protection regulations.
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D−R 820 F Dust Concentration Meter Calibration Device calibration 8.1.1 Device calibration; General 8.1.2 Performing calibration Dust calibration 8.2.1 Dust calibration; General 8.2.2 Mathematical relationship 8.2.3 Performing calibration...
Calibration Calibration Device calibration 8.1.1 Device calibration; General As a highly sensitive measuring device, the D−R 820 F is subject to the fine fluctuations of the components and materials used. For this reason the refer- ence point of the optical sensor is compared, in order to detect any errors in the sensor in good time.
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Calibration 8.2.2 Mathematical relationship The dust signal is calculated in accordance with the following mathematical re- lationship (see 3.8.1.3 Extractive dust measurement page 36): Dust concentration [mg/m³] i.B. Measuring signal [V] (corresponds to scattered light) ⎡ ⎤ ⋅ ⋅ ⎢ ⎥...
Calibration C = A C' + D i.B. i.B. C = 1.07 C' + 0.09 i.B. i.B. R² = 0.8 Device display D-R 800 F - C' [mg/m³] i.B. Figure 8.1: Example - Gravimetric calibration 5. Determine parameters A and D from the correlation. 6.
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Calibration If the optical sensor outputs the error "MB sensor too small" (MB Hardware MessBereich/Measuring Range) during the gravimetric comparison measure- ment, then this measurement cannot be used for the dust calibration and must therefore be repeated! (see error log) This applies similarly for every error that puts the D−R 820 F into fault condition.
D−R 820 F Dust Concentration Meter Maintenance Safety Maintenance work Cleaning Work on the optical sensor D−R 800 F 9.4.1 Reset of the optical sensor...
CAUTION Damage to electronic components from electrostatic discharge (ESD) DURAG devices are protected from uncontrolled electrostatic discharge (ESD) during closed operation. If the device is opened (e.g. for service or mainte- nance tasks), appropriate ESD protection measures must be taken before- hand.
Maintenance Maintenance work Maintenance work must be performed by trained maintenance personnel in accordance with the Service Manual. Time Activity • Monthly Check plausibility of values for F, F • Check temperature of measuring chamber and diluting air 3 months •...
Checking or changing the settings of the optical sensor is only necessary and expedient in exceptional cases. Checks or changes should therefore only be carried out after consulting the Service department. You will find the relevant addresses and telephone numbers on page 121 (DURAG GROUP company addresses) 9.4.1 Reset of the optical sensor In the event of an error, it is possible to reset the settings of the D−R 800 F.
D−R 820 F Dust Concentration Meter Error messages and error elimination 10.1 Events 10.2 Maintenance status 10.3 Maintenance requirement status 10.4 Fault status 10.5 Events...
If the messages/causes of the maintenance requirement category cannot be eliminated, please inform the competent Service department! (DURAG GROUP company addresses see page 121) 10.1 Events Provided that no maintenance, maintenance requirement or fault is present, all displayed events are only informative in nature.
"Maintenance requirement" is shown in the display. If the messages/causes of the maintenance requirement category cannot be eliminated, please inform the competent Service department! (DURAG GROUP company addresses see page 2) 10.4 Fault status "Fault status" is shown in the display.
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Error messages and error elimination Message Meaning Measures /Remark (Text) • Dust pollution too great, sensors or measuring chamber polluted or Error: Sensor input value too large, MB sensor too defective -> clean if 15 minutes without interruption small • Increase dilution/temperature ->...
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Error messages and error elimination Message Meaning Measures /Remark (Text) Info: Maintenance requirement • Autoreset WB reset, as cause was no longer present Error: Result of zero point test, • Check installation conditions Zero point if greater than 6% -> ERR ® •...
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Error messages and error elimination Message Meaning Measures /Remark (Text) • CAUTION: D−R 820 F cannot be operated via keyboard ! (discon- Info: Remote maintenance via Remote control nect cable from RS232 if neces- RS232 (write access) sary - free again after 2 min D−R 820 F) •...
Error messages and error elimination Message Meaning Measures /Remark (Text) • Check compressor function (fuse) Error: Flow FD (purge air) too small • Check that hose connections are < FDmin -> WB ® (in 15min) tight-fitting • < 80% FDmin -> ERR ® (in 15min) Check gas duct for pollution Flow Fd too small <50% FDmin ->...
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D−R 820 F Dust Concentration Meter Technical data 11.1 General 11.2 Presetting EC Declaration of Conformity Standards and regulations Spare and wearing parts Glossary Index Circuit diagrams and drawings Menu plan DURAG GROUP company addresses...
Technical data Technical data 11.1 General Feed 400 V, 50 Hz, 3~, 16 A (max. 5 x 4 mm²) Class of protection Readiness for operation After 5 to 15 minutes (without preheating time) Rack frame Dimensions (W x H x D) 600 x 1,750 x 550 mm Space requirement (W x H x D) 850 x 1,750 x 1050 mm...
Technical data Pneumatic connections (customer-side adaptations in consultation with the manufacturer) Injector air blower hose Max. 10 m (d = 25 mm) Diluting air blower hose Max. 10 m (d = 13 mm) Instrument air: Optional compressed air/nitrogen connec- Admission pressure max. 1 ... 2 bar, tion for diluting air supply Consumption 3 ...
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Technical data Chapter Value range Parameters Description Page Factory setting Chap. 6.9.2.6 Calibration factor C (factory page 67 calibration) (Factory setting) Set operating parame- Chap. 6.9.3 Input of operating parameters page 67 ters Temperature T Chap. 6.9.3.1 Temperature in exhaust gas 80 °C page 67 channel (operand - not a set-...
Technical data Chapter Value range Parameters Description Page Factory setting Temperature T Chap. 6.9.11 Set-point value of temperature page 72 in measuring chamber 120 °C Temperature TD Chap. 6.9.11 Set-point value of diluting air page 72 temperature 120 °C Preheating time Chap.
EC Declaration of Conformity EC Declaration of Conformity EG-Konformitätserklärung EC Declaration of Conformity Hersteller DURAG GmbH Manufacturer Anschrift Kollaustr. 105, 22453 Hamburg Address Produktbezeichnung Staubkonzentrationsmessgerät D−R 820 F Product description Dust Concentration Meter D−R 820 F Das bezeichnete Produkt entspricht den grundlegenden Anforderungen folgender europäischen Richtlinien, vorausgesetzt, dass es installiert, gewartet und entsprechend seiner Bestimmung eingesetzt wird.
Standards and regulations Standards and regulations Where possible, the harmonised European standards have been used as the basis for the specification and production of this device. Where harmonised European standards have not been applied, the standards and regulations for the Federal Republic of Germany apply. D−R 820 F...
Glossary Glossary BImSchV method for quantitative definition of ele- Federal Immission Control Act ments and groups in mixtures of materials. BImSchG In-situ situ measuring method Law for protection from harmful environ- The term in situ (lat. for at the (original) lo- mental effects due to air pollution, noise, cation, on the premises, "on the spot") in vibrations and similar occurrences...
Index Index Assembly Factor Selection of the measuring point 39 A 32, 72 Automatic measuring range switching 59 B 32, 72 C 32, 72 D 32, 72 D 32 Ball valve 44 D 72 BImSchG 98 Factory setting 92 BImSchV 98 Fault 63 Features of the D−R 820 F 21 Forward scattering 98...
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Index Operating mode 53 Supply voltage 15 Optical sensor 53, 78 System design of the D−R 820 F 23 Reset 79 Technical data 91 Parameter Temperature 49 device parameter 60 Thinning 34 device parameter C 61 Typeplate 21 device parameter constr. factor K 60 Typographical conventions 10 device parameter constr.
Limit is briefly displayed and adopted as default value for value input. Output in case of an incorrect input (e.g. time), last valid value is displayed as default value again. Error EEPROM: After factory setting -> (Ver. 1.15_uk) part 1 Menu plan D-R 820 F D−R 820 F...
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Menu plan (Ver. 1.15_uk) Part 2 Menu plan D-R 820 F D−R 820 F...
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