Home

DIGITEL Sequential High Volume Aerosol Sampler DHA

1. 8 4 6 4 Visual inspection of homogeneous deposit 8 4 6 5 Acoustic inspection of blower 8 5 Operation and Programming 9 5 1 Operation modes 9 5 2 Filter Preparation 9 5 3 Setting of operation status 9 5 3 1 Start operation or restart sampling instrument 9 5 3 2 Instrument filter exchange and inspection 9 5 4 Controls 10 5 4 1 Touchscreen 10 5 4 2 Knob for Hand Change of Filters 10 5 4 3 Main Switch 10 5 4 4 Status LEDs 10 6 Function Description 11 6 1 Status Messages 11 6 1 1 Last filter in service 11 6 1 2 Remote control 11 6 2 Failure indication messages 11 6 2 1 AC Power supply failure 11 6 2 2 Overloading without Filter Changing
2. 52 16 Appendix 53 16 1 1 Pressure temperature correction table 53 16 2 Menu 55 16 3 EC Declaration of conformity 57 17 INDEX 58 2 Table of figures Figure 1 DHA 80 block diagram 6 figure 2 filter preparation 9 Figure 3 Front panel with control elements 10 Figure 4 DPM10 30 00 36 Figure 5 DPM10 30 00 impaction performance 36 Figure 6 DPM2 5 30 00 impaction performance 37 Figure 7 Dimension drawing field housing DHA 80 49 Figure 8 Dimension drawing air floated field housing DHA 8050 Figure 9 Dimension drawing DHA 80 mounting rack 19 51 Figure 10 connections DHA 80 52 Figure 11 Pressure and temperature correction table 54 Introduction 4 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 3 Introduction
3. 11 6 2 3 Overloading with Filter Changing 12 6 2 4 Changer Jammed 12 6 2 5 Cartridge Changer Jammed 12 6 3 Status change 13 6 4 Flow calibration 14 6 4 1 General information 14 6 4 2 Calculation 14 6 4 3 Error estimates 15 6 4 4 Performing calibration 16 6 5 Meaning of abbreviations 19 6 6 Determination of standard amp operation volumes 20 7 Programming 21 7 1 Home display 21 7 1 1 Operation panel status display 21 7 1 2 Operation panel Turbine 21 7 1 3 Operation panel Filter changer 21 7 1 4 Operation panel Flow meter 21 7 1 5 Operation Ambient pressure temperature recording 22 7 1 6 Operation panel Options 22 7 1 7 Panel S
4. 41 10 4 AK Protocol 42 11 Data recording with USB drive 44 11 1 Storing of data on the USB drive 44 11 2 Removal of USB drive 44 11 3 Structure of the data files on the USB drive 44 11 3 1 File name 44 12 Remote DHA 80 via Ethernet 46 12 1 FTP server 46 12 1 1 Dial up 46 12 1 2 Breaking off connection 46 12 1 3 Contents of the FTP server index 46 12 2 HTTP Server 46 12 2 1 Dial up 46 12 2 2 Remote control via HTTP 46 13 Technical data 47 14 Dimension drawings 49 14 1 DHA 80 in field housing 49 14 2 DHA 80 in air floated field housing 50 14 3 DHA 80 in 19 housing 51 15 connections
5. off No correction factor logging Correction Factor Standard Parameters Shall the correction factor related to standard status be transmitted for pre set flow on After elapsing of the Work period the correction factor related to standard status for pre set flow or total volumes is logged printer interface USB drive off No standard correction factor logging Volume in measuring system m Shall the measured volume value be logged on After the Work period elapsing the volumes actually transported at the measured environmental conditions are logged USB printer interface off No volume measured value logging Standard Volume m Shall the value of standard volume be logged on After the Work period elapsing the standard volumes volumes at the pre set standard statuss are logged printer interface USB drive corresponding to the volumes actually transported at the determined environment conditions off No standard volume values logging Average output p T Shall the average pressure and average temperature be logged during sampling on After the Work period elapsing average pressure and average temperature during sampling are logged off No average pressure and average temperature logging Standard Temperature C Here the standard temperature can be entered to which standard correction factor or standard volume
6. DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 7 2 3 2 Save protocol on USB drive In this menu the protocol can be passed onto the USB drive All entries in the chosen file are saved 7 2 3 3 Delete protocol To avoid unintended deleting of memory the following question appears After the confirmation the memory for the chosen file is deleted completely 7 2 4 Show software version In this menu the installed software version is shown 7 2 5 Show working hours In this menu working hours of the instrument and the blower are shown Sampling probe PM10 and PM2 5 36 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 8 Sampling probe PM10 and PM2 5 General information The sampling probe Digitel DPM10 30 or DPM2 5 30 is designed as a single stage impactor The median point Dp50 cut point of the probe separation plot is of an aerodynamic particle of 10 m or 2 5 m diameter A flow rate of 500 l min 30 cubic metres per hour is achieved In order to keep the probe weight low it is made of aluminium All surfaces are treated with a proven finishing process Ematal Ematal surfaces have shown no variation effects on the dust substances subject to analysis so far The impactor plate ca
7. The internet communication can only be established by a user name and a password User name Default root Password Default password These default values are set up factory made 12 2 2 Remote control via HTTP 12 2 2 1 Status request You can update the contents of the website by clicking on the pushbutton Status 12 2 2 2 Activate remote control You can activate the remote control by clicking on the pushbutton remote control The program status first changes if you transmit more commands 12 2 2 3 Status change If the remote control is active you can change the program status by clicking on the appropriate pushbutton Work the program changes into the work status At the change from the Pause status into a filter change takes place Wait The program changes into the Wait status At the status Wait the blower is turned off and a sampling will not be executed A change into the status Work takes place without a filter change Pause the program changes into the Pause status If you change from Pause into another status a filter change always takes place If the magazine is empty there can t be activated any other status than Pause Filter change You can execute a filter change any time if the magazine is filled 12 2 2 4 Turn off remote control If you turn off the remote control the control system changes into the status before the activating of the remote control Technical data
8. Controls are ordered in a sequence according to their functional relevance on the front panel Knob for hand change of filters Touchscreen Main Switch Status LEDs Figure 3 Front panel with control elements 5 4 1 Touchscreen The operation of the DHA 80 will be carried out via the touchscreen The status of the program as well as all status and error messages notifications will be displayed The navigation at the touchscreen is just a question of touching the particular zones All pale blue operation zones are zones with a function By touching the pale blue zones they will turn into dark blue In case of errors resp malfunctions the corresponding operation zones will be displayed in red These red operation zones can be activated as well By touching them they will turn into dark blue 5 4 2 Knob for Hand Change of Filters The knob for the filter changer mechanics allows an operation of the changer mechanics by hand Before using the switch the filter changer has to be deactivated manually via the menu see chapter 7 1 5 4 3 Main Switch The device is switched off via the main switch 5 4 4 Status LEDs Feeder the status display lights up as soon as the supply voltage is connected Supply on The status display lights up as soon as the main switch is set on on resp 1 and there is no error at the power supply Function Description 11 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 9
9. This user manual contains complete information concerning operation assembly and putting Digitel High Volume Samplers DHA 80 under operation Read safety instructions carefully before putting the instrument under operation 3 1 Safety instructions Adhere to the following safety instructions assembly instructions Chapter 3 3 and maintenance instruction Chapter 3 5 Failure to adhere to these instructions or improper installation and instrument operation may imperil your safety or result in damage of the instrument and neighbouring equipment The dust particle sampler electric connection should be performed according to provisions of DIN VDE 0100 and its applicable special provisions In particular the principles should be followed as listed below box earthing preparation of protective insulated waterproof power supply equipment of the mains connection with FI switch with I DN lt 30 mA In case of lack of expertise the installation is required to proceed by a professional electrician In order to ensure protection for over voltage due to atmospheric discharge follow DIN VDE 0100 part 443 If the field instrument is connected to a remote measurement booth via a communication line e g for status inquiries or for remote control the communication line shielding and earthing of the line shield has to be abided When using roof bushings the steps have to be followed as listed below set up an electric connection to the air sam
10. on Cartridge changer is turned on off No cartridge changer installed or no change necessary Continuous measurement This menu appears only if the cartridge changer is turned on and the change of cartridges is set simultaneously with the change of filters on the change of cartridges is simultaneously with the filters until the filter magazine is empty or the program is stopped manually off after one cycle all 4 cartridges were in the air flow the program is ended nach einem Programmdurchlauf alle 4 Cartridge changing times Here the cartridge changing times are shown and can be adjusted Attention Normally the cartridge changing times are entered when programming starting times Changes made during working times change the cycle of the progam 7 2 2 2 3 4 Filter Storage Temperature Control In the following table the options for filter storage temperature control are explained in more detail The filter storage temperature control is an option and not integrated in standard instruments Programming 29 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Climate control on the temperature filter storage is constantly held under the set temperature aus no climatisation of the filter storage Set temp Filter room Here the maximum temperature
11. C This value can be improved even further by additional sensor calibration This happens in the below listened menus by entering the current pressure or temperature values using a reference meter Pressure Calibration During pressure calibration the blower must be turned off because the pressure sensor at the flowmeter as well as the external pressure sensor are calibrated simultaneously Internal temperature calibration The internal temperature calibration can be performed as follows start program without any filter holder and run the Programming 31 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com blower for a few minutes to acclimate the the temperature sensor at the flow meter to room temperature Then measure the temperature at the flow chamber with the reference meter and enter this temperature in the internal temperature calibration Ambient temperature calibration The ambient temperature calibration is very simple Place the reference instrument next to to the ambient sensor and enter this temperature at the ambient temperature calibration Calibration delete The calibration of the individual sensors can be deletet at any time 7 2 2 3 Configure recording In this menu recording instruments can be configured In the following chapters there is a more detailed descripti
12. High Volume Sampler 3 5 Typographic conventions Text parts in Courier New without a framework show a thermo printer a serial interface or USB output Example Fr 05 09 03 11 02 47 Work 3 6 Contact consulting In case of any questions concerning the Digitel High Volume sampler DHA 80 please contact the responsible of the Digitel representation office or apply directly to one of Digitel branch offices Postal addresses phone and fax numbers as well as e mail are shown on the cover page System description 6 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 4 System description 4 1 System overview Digitel High Volume Samplers DHA 80 and DHA 80 in 19 housing are parts of systems to sample dust and aerosol particles for later assessment and analysis The sampler operation range in standard execution is 100 to 1000 l resp 6 to 60 m h The system s usual designation is High Volume Sampler Various types of samplers are available from different applications Generally they differ by the number of processed filters and by the type of logging failure indication and status messages as well as by the type of remote control via various interface protocols A survey of available types is shown in 7 2 2 3 3 Host Interface Airborne dust particles in the sampled air are separ
13. better than 0 5 Assuming that the total error of calibration remains below 1 0 5 due to pressure and temperature values and 0 45 due to the accuracy of the setting of the floater in the calibrated flowmeter The flow value calculated for controlling depends only upon internal measurement magnitudes of Tm and pm Herewith to this value the above calculated maximum error of 1 66 applies for this value Because of the fact that at the moment of calibration the pressure sensor is also automatically calibrated the error generated by pressure sensor leads in direction of a release limit of the internal analogue digital convertor Other considerable error sources e g temperature drift of supply and reference voltages are not relevant at the present time Herewith the maximum error is reduced to 0 58 It should be noted that the uncertainty of flow setting of 0 45 should be added to this value whereas the maximum total error of automatically calculated flow yields to 1 03 Function Description 16 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com The accuracy of pressure and temperature value for station conditions do not result in absolute accuracy of calculated operation and standard volume values Particularly the average actual operation volumes de
14. command is received dependent of the parameter repeated print If no C command is received the value will be shown until completion of the actual filter avg cA VA Average correction factor for pre set flow or volumes actually transported through measurement system of the last completed filter related to estimated conditions on the air inlet air pressure average value before and after sampling on the sampling head and flow meter average temperature 3K This value will be shown only one time or until C command is received dependent of the parameter repeated print If no C command is received the value will be shown until completion of the actual filter Repeated print Here you define if some values will be shown in the protocol only one time or until C command is received If no C command is received the value will be shown until completion of the actual filter Identification Here you set the identification measurement instrument or measured value identification address It is supposed that the set identification corresponds to the first measured value to be transmitted The following measured values are provided with the next higher identification address see the above shown chart Ensure that the instrument address for HVS is set as 310 If no identification has been entered 310 is similarly accepted for identification of the first measured value Valid input range from 000 to 994 Baud Rate Depending
15. meas on act corr stand on act corr amb on collecttime on p avg on temp avg on p avg amb on T avg amb on avg cM VM on avg cs Vs on avg cA VA on repeated printout on printer on short messages off Press Temp Corr On cs On cm On ca On vs m on vm On va On tvg press temp on temp stand C 8 press stand mbar 1013 press ref mbar 995 Press meas mbar 993 temp meas C 22 8 flow through l min 500 Wind meas off cartridge chang off pin code timeout s 9999 10 3 Bayern Hessen protocol Interface format Format 1 start bit 8 data bits 1 stop bit no parity Baud rate 1 200 2 400 Baud in the Bayern Hessen protocol B version Handshake semi duplex operation polling method Checksum Block Check Character XOR of all characters inclusive STX and ETX with start value 0 Bayern Hessen protocol Subset for Digitel HVS Data inquiry structure Field No Start position End position Content Description 1 0 0 lt STX gt Start of Text 2 1 2 DA 3 3 3 lt ETX gt End of Text 4 4 4 lt BCC1 gt High Nibble BCC 4 5 5 lt BCC2 gt Low Nibble BCC Data transmission structure Field No Start position End position Content Description 1 0 0 lt STX gt Start of Text 2 1 2 MD Protocol ID 3 3 5 nn lt gt Number of measurement instr
16. the following requirements are met independent installation from the emission source only air from the required direction is sampled logging of measurement cycles more exact more specific and more sensitive statements on samples Additional considerable benefits of wind controlled imission monitoring considerable less filter material has to be evaluated minimum capacity for installation and instruments simple and reliable handling price friendly upon acquisition and operation Main wind direction Device M1 Device M2 Emitter As illustrated above aerosol samplers have been installed along with meters for wind velocity and wind direction The control takes the data into account transmitted by the wind meter The air is only sampled if wind arrives at a certain rate from a pre set direction The instrument M1 is installed in the main wind direction before the polluter The north of the wind meter is directed towards the polluter The instrument M2 is installed in the main wind direction downstream the polluter The north of the wind meter points away from the polluter The appropriate distances A1 and A2 to the polluter determine opening angles W1 and W2 The complexity for installation of wind controlled aerosol samplers is limited as the wind metering instrument is plugged directly to the Digitel High Volume Sampler The aerosol sampler supplies control and heating power required by the win
17. will be shown only one time or until C command is received dependent of the parameter repeated print If no C command is received the value will be shown until completion of the actual filter p avg amb Average pressure conditions on the air inlet of the last completed filter during the sampling period air pressure average value before and after sampling on the sampling head This value will be shown only one time after filter change otherwise value 0 or until C command is received dependent of the parameter repeated print If no C command is received the value will be shown until completion of the actual filter T avg amb Average temperature conditions on the air inlet of the last completed filter during the sampling period This value will be shown only one time otherwise value 0 or until C command is received dependent of the parameter repeated print If no C command is received the value will be shown until completion of the actual filter avg cM VM Average correction factor for pre set flow or volumes actually transported through measurement system of the last completed filter related to measured environmental conditions in completion of the actual filter avg cs Vs Average correction factor for pre set flow or volumes actually transported through measurement system of the last completed filter related to standard conditions This value will be shown only one time or until C
18. 4 act cM1 5 act cs1 6 act VM1 7 act Vs1 10 Operation status 2 11 Failure indication status 3 20 Elapsed collecttime of the last completed filter4 Communication 43 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 21 Average temperature conditions in measurement system during sampling periode4 22 Average pressure conditions in measurement system during sampling periode4 23 cM of the last completed filter4 24 cs of the last completed filter4 25 VM of the last completed filter4 26 Vs of the last completed filter4 30 act cA1 31 act VA1 40 Average temperature conditions on the air inlet of the last completed filter during the sampling period this is an estimated condition flow meter average temperature 3K 41 Average pressure conditions on the air inlet of the last completed filter during the sampling period air pressure average value before and after sampling on the sampling head 4 42 cA of the last completed filter4 43 VA of the last completed filter4 1 Values for PRC 0 till 2 are actual values It averages that this are the last measured values Values for PRC 3 till 7 30 31 are actually computed values Operation status State Description xxx0 Work xxx1 Wait xxx2 Pause xx0x Blower off
19. 47 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 13 Technical data Type field housing air floated field housing box housing 19 housing Power supply 230 V 6 10 50 Hz max 1700 VA 230 V 6 10 50 Hz max 1700 VA 230 V 6 10 50 Hz max 1700 VA 230 V 6 10 50 Hz max 1700 VA Fuse 10 A 10 A 10 A 10 A Connecting cable 3 x 1 0 mm 10 A 250 V 3 x 1 0 mm 10 A 250 V 3 x 1 0 mm 10 A 250 V 3 x 1 0 mm 10 A 250 V Installation Category II standard power Category II standard power Category II standard power Category II standard power Application range 5 to 40 C 10 to 90 RH or 20 to 40 C 10 to 95 RH with interior heating maximum operation altitude of 2000 m above the sea level 5 to 40 C 10 to 90 RH or 20 to 40 C 10 to 95 RH with interior heating maximum operation altitude of 2000 m above the sea level 5 to 40 C 10 to 90 RH maximum operation altitude of 2000 m above the sea level 5 to 40 C 10 to 90 RH maximum operation altitude of 2000 m above the sea level Flow rate standard Flow rate optional 420 till 600 l min 100 till 1 000 l min 420 till 600 l min 100 till 1 000 l min 420 till 600 l min 100 till 1 000 l min 420 till 600 l min 100 till 1 000 l m
20. 512 l min The status message is cancelled if new filters are inserted into the container automated restarting with filter exchange or the program is restarted manually The program remains in the pause status until new filters are inserted and the pause period is elapsed Then the program will start automatically a new processing cycle Sa 06 09 03 12 05 28 Start of program Sa 06 09 03 12 05 28 Work Sa 06 09 03 12 05 28 Filter change Ensure that by this automatic new start of the program the point of exchange can be changed This occurs when the control was in the pause status for a longer time than was pre set 6 1 2 Remote control If the remote control analogue remote control via remote control connector or remote control via serial interface is activated it is logged as follows Fr 05 09 03 11 05 28 extern The status message is deleted as soon as remote control is deactivated 6 2 Failure indication messages The following is a description concerning the HVS control failures and how are they displayed and logged The messages provided in the following protocols correspond to those of the optionally connectable printer If there is no special protocol programmed for the RS 232C interface in addition to that the log data will be put out parallel in the same format on the RS 232C interface The type of logging in various special protocols can be found in the annex of this manual 6 2 1 AC Power su
21. 5b Flow control 5c Frequency converter 6 Blower System description 7 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 7 Noice damper 8 Pressure amp temperature measurement unit 9 Printer interface 10 RS 232C Interface 11 USB interface 12 Wind data interface 13 touchscreen The air is sampled via a sampling probe 1 using a sampling tube vertically from the top to the bottom through the filter 3 placed in the flowing chamber 2 With DHA 80 the changing of filters is done automatically After the filter the transported air quantity is measured using a flow meter with a floater 5 Its double photo sensor 5a optically senses the floater position In connection with the control electronics 5b 5c the capacity of the pump 6 is adapted to the rpm control so that the air quantity keeps the set point value Air pressure and temperature are measured upstream the flow meter and continuously averaged by the controller A real time protocol states sampling volumes yielding from the sampling time and controlled volume flow as the core information The air is released from the instrument with reduced noise through a noise baffle 7 4 4 Assembly 4 4 1 Transport In general the instrument should be transported in vertical position Digitel DHA 80 i
22. 68 The blower load display is made by measured values slightly averaged delayed When the pre set working time is reached the program switch status will turn from work to pause Work Pause When the pre set working time is achieved the HVS control switches the program status to the pause and the blower will be switched off Sa 06 09 03 12 00 00 Pause When the programming activates to display the blower status message and time information the following log is displayed Sa 06 09 03 12 00 05 Blower off Collecttime min 1012 46 Blower on off 1 paM mbar 929 TaM C 20 0 cM 1 053 cs 15 1013 0 949 cA 17 996 0 972 VM m 539 268 Vs 15 1013 m 492 990 VA 17 996 m 497 842 at 512 l min Now the HVS control is waiting until the set pause time is reached Pause Work When the set pause time is reached and the program is not completed yet there are still some filters left in the container the HVS control switches the program status to work filter will be exchanged and the blower will be switched on Sa 06 09 03 12 00 07 Work Sa 06 09 03 12 00 10 Filter change When the program activates to display the blower status message the following is displayed within several seconds after blower run up Sa 06 09 03 12 00 15 Blower on After approx 1 minute the current blower load is displayed this programming allows it as well Sa 06 09 03 12 01 23 Motor load 67 In the
23. Tab character HT 09H is applied The line break is activated with the use of CR LF After formatting on HVS the file looks as follows Date time Wind direction grade Wind velocity m s Blast m s Column description Date time Year month day hour minute second Wind direction Average wind direction Wind velocity m s Average wind velocity Blast m s Maximum wind velocity during time of averaging 11 3 1 3 Filter storage Temperature File HVSKLIMA DAT The data file HVSKLIMA DAT is set only when protocol of filter storage temperature is activated climate module activated Data in the file HVSKLIMA DAT are saved in a table As separators between the columns the Tab character HT 09H is applied The line break is activated with the use of CR LF After formatting on HVS the file looks as follows Date time Filter storage temperature C cooling Column Description Date time year month day hour minute second Filter storage temperature In C Cooling Status of cooling on off defrost Remote DHA 80 via Ethernet 46 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 12 Remote DHA 80 via Ethernet The control system of the High Volume sampler DHA 80 includes a FTP and a HTTP server The FTP server enables a parameteriz
24. aligned to the north correctly The prefential wind direction shows the direction from which the wind blows if the HVS should be activated The input will follow in degrees Averaging time Here is defined how long the measured wind data should be averaged before they are utilised for control of the HVS The input will follow in degrees This averaging time don t affect averaging of wind data logging 7 2 2 2 3 6 interior heating In the following table the options for the indoor heating are explained in more detail This heating is an option and not integrated in standard instruments Interior heating on Heating is on further settings are displayed off Heating is turned off Heating capacity The heating is operated with the set power 7 2 2 2 4 Change instrument ID When you log the instrument identification upon every sampling time transmission you have to activate the instrument identification Warning The first 3 characters of the instrument identification are transmitted in the Bayern Hessen protocol in series no field If the Bayern Hessen protocol is applied the first three characters have to be numerical or blank Then an ID with max 27 characters can be defined 7 2 2 2 5 Default factory setting All adjustable parameters are reset to the factory settings 7 2 2 2 6 Sensor calibration The accuracy of the pressure sensor is 50Pa The temperature sensor has an accuracy of 1
25. calculation is related Standard Pressure mbar Here the standard pressure can be entered to which standard correction factor or standard volume calculation is related Flow rate Here the flow can be entered which is set in the flow metering system This value is required to calculate the measured volume or the standard volume value Pressure calibration Here the pressure measurement can be calibrated The measured value without correction is displayed The correction factor is calculated by entering the current environmental pressure considered in all Programming 27 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Menu item Designation other calculations Warning During the input the blower should be switched off If semi automated flow calibration is performed see 6 4 4 Performing calibration calibration of the pressure sensor is automatically performed too 7 2 2 2 3 Configure Options In the following chapters the different options are explained in more detail 7 2 2 2 3 1 Inlet heating The heating of the inlet can be controlled depending on outside temperature if an ambient pressure temperature module is connected Menu item Designation Inlet heating on Inlet heating is turned on more options are available off Inlet heating
26. can start and finish the program adjust status times or start calibration 7 1 2 Operation panel Turbine Here you can view the status of the turbineIf the turbine is on the current capacity of the turbine can be viewed By touching the panel the menu of the turbine starts 7 1 3 Operation panel Filter changer Here you can view the status of the filter changer If a filter change is going on at the moment of viewing the panel will be turned into yellow If there is an overload or if there are any other errors at the filter changer the operation panel will be displayed in red By touching the operation panel the filter changer menu is started In this menu the filter change can be carried out manually Any error messages are displayed as well in this menu Start automatic filter change Independent of the program status a filter change can be started manually ATTENTION filter data will only be released at automatical filter change Filter change by hand By touching this panel the filter change motor will be switched on By leaving the panel the motor will be switched off again 7 1 4 Operation panel Flow meter Here you can view the current temperature current pressure as well as the current flow rate of the internal flow meter By touching the panel the pressure temperature menu will be started Programming 22 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik
27. change Sa 09 05 09 12 00 15 Blower on or Sa 09 05 09 12 00 03 Blower off Collecttime min 1399 96 Blower on off 1 paM mbar 929 TaM C 20 0 cM 1 053 cs 15 1013 0 949 cA 17 996 0 972 VM m 539 268 Vs 15 1013 m 492 990 VA 17 996 m 497 842 at 512 l min Sa 09 05 09 12 00 10 Filter change Sa 09 05 09 12 00 12 Last filter in service Sa 09 05 09 12 00 15 Blower on or Sa 09 05 09 12 00 12 Last filter in service Sa 09 05 09 12 00 12 End of program If the program is completed Sa 09 05 09 12 00 12 Changer jammed If the changer is jammed HVS WORK Host HVS WORK The command brings the HVS to the Work operation status If the HVS was previously in the Pause operation status the filter exchange is triggered automatically The range of transmitted response corresponds to the one specified in the printer for output Response from HVS Sa 09 05 09 12 00 12 WORK ext or if the HVS was previously in the Pause operation status and the changer was jammed Sa 09 05 09 12 00 12 WORK ext Sa 09 05 09 12 00 12 Changer jammed or if the HVS was previously in the Pause operation status and the last filter was inserted Sa 09 05 09 12 00 12 WORK ext Sa 09 05 09 12 00 16 Communication 41 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www d
28. filter sampling time in minutes paM average air pressure during sampling time in mbar at measurement tube TaM average air temperature during sampling time in C at measurement tube pA average value before and after sampling of air pressure in hPa at Data recording with USB drive 45 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com inlet TA average air temperature during sampling time in C at inlet CM flow rate correction factor on the measurement tube for average pressure and temperature conditions during the sampling time cs 15 C 1013 mbar flow rate correction factor related to entered standard conditions cA air flow correction factor on inlet VM transported air volume in cubic metres related to determined measurement values on the measurement tube Vs 15 C 1013 mbar air volume that would have been transported in standard conditions temperature 15 C and pressure 1 013 mbar depends on setting standard temperature and standard pressure during the formatting procedure VA air volume to be transported during the sampling time through an inlet 11 3 1 2 Wind file WIND DAT The data file WIND DAT is set only when wind measurement is activated Data in the file WIND DAT are saved in a table As separators between the columns the
29. operation but no more than 15 filter holders should be in the magazine otherwise the capacity of the collection tray might be exceeded Deposited filters can be removed from the collection tray during operation without switching the instrument off 2 At the beginning the instrument has to be inspected more frequently It is necessary to make the checks as listed below The display has to indicate the time in minutes elapsed since the beginning of the current filter program up to the current time Mind always Central European Time The previous day filter holder has to rest at the top of the collection tray The next day filter holder is in a circular recess of the upper changer plate in the waiting position to be changed The floater of flow meter has to be in its set point position When indicating Last filter in service the magazine has to be charged with new filter holders so that the changing program can continue without interruption Read the instrument operation duration from the counter concerning the operation hours and enter the reading together with the current time always CET in the logbook Printer protocol feasibility optional has to be checked Operation and Programming 10 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 5 4 Controls
30. sections with a base If sampling is discontinued for a long term during winter operation a case heater optional should be installed to prevent icing of the automatics Digitel High Volume Samplers should be connected to the mains of 1 x 230 V 50 Hz at least 3 x 1 0 mm2 10 A 250 V The maximum input current is 7 A without a probe heater max 160 W and case heater approx 60 W The increased input power at running up the blower is avoided by a soft run up For electric connection of the aerosol sampler see 3 1 Safety instructions Digitel DHA 80 in 19 housing should be installed in an instrument rack so that an intermediate space of 17 cm is left between the sampler upper edge and the rack upper edge The delivered fixing beam should be screwed on the rack upper edge Its muffs connect the intermediate tube leading to the sampler with the tube leading from the roof of the container forming a connection to the sampling probe The sampled air sample leaves the sampler via a tube sleeve diameter 42 38 mm length 25 mm at its rear wall To transport an air sample from the container interior to the open air the appropriate hose can be connected WARNING In any case the instrument should be installed or built in in such a way that the instrument can be continuously disconnected from the mains easily by pulling out the supply cable at any time The main switch on the front wall does not assure complete instrument electrical i
31. the enter button l ATTENTION The new IP address only is entered into the system after a restart When chosing cancel the menu can be left without any change of values 7 2 2 3 3 Host Interface Now you can select the required protocol format for the host interface DIGITEL Protocol ASCII protocol When this protocol is activated all filter data failure and status messages are given out on the serial port For details see 10 2 Digitel protocol AK Protocol Here you define that the AK protocol will be used for communication with the host system For details see 10 4 AK Protocol Bayern Hessen Protocol When you set the Bayern Hessen protocol on the display changes to the Bayern Hessen protocol sub menu setting For details see10 3 Bayern Hessen protocol Programming 33 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Bayern Hessen Protocol B Setting the Bay Hes P B on determines that a Bayern Hessen protocol special extension is applied 2 400 Baud varied occupation of operation status bit see the annex Service Setting Service on determines that a special input is inquired and that at any status inquiry the input status is determined on the host computer Output mode Here you define which values are to be shown in the protocol blower load act b
32. the annual average values of the air pressure and air temperature at the installation site Warning The temperature has to be entered in degrees Kelvin Function Description 18 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Please put in the current conditions at the calibrated flow meter After the values have been entered the blower will run up If the floater is at a stable position in the calibrated flowmeter please read the current floater position from the calibrated flowmeter in mm and enter the determined value After the entering of the value please wait for approx 15 seconds During this period the temperature and pressure in the integrated measurement system will be determined For TECFLUID reference measuring tube ONLY Please indicate the scale division at the displayed flow rate on the calibrated flow meter Then the display shows the data of the scale value to which the floater has to be set at the calibrated flow meter by moving the photo diode fork on the integrated flow meter so that the instrument is calibrated for the specified station conditions After having carried out the setting please confirm the process at the control system by touching the operation panel next This will be followed by a request to read out and to enter the curren
33. working status the basis display shows the related time information Function Description 14 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 6 4 Flow calibration 6 4 1 General information In order to measure and to control volume flow the flow meter accuracy class 2 5 tolerance 2 5 from the measurement range value is used with the Digitel High Volume Sampler as a measurement value sensor To increase accuracy of the transported volume flow it is possible to perform semi automated calibration using an external calibrated flow meter as described in chapter 6 3 It is explicitly pointed out that no marks e g own calibration marks as marker marks labels may be applied on the flowmeter measurement tube It might result in erroneous functionality or failures that can be hardly detected during calibration The values on the glass tube can be considered as rough benchmarks only In order to be able to determine accurate flow values it is necessary to determine the floater position in the divisions etched on the measurement tube Accurate flow in liter min can be determined from this floater position using the calibration table chapter 12 1 6 4 2 Calculation The following calculations are performed for a calibrated flow rate of 500 l min at the inlet From Softwa
34. 0 Actual value Pos Floater Target value Pos Station The flow rate variation of the previous calibration positive values indicate an decrease negative values indicate a increase in the flow rate due to re calibration 6 6 Determination of standard amp operation volumes Considering the pressure and temperature values determined during the sampling period on the integrated flowmeter the values for VStandard Vs or Vmeas system VM or in following for Vamb VA are calculated from the equation 7 Chapter 6 3 2 as listed below The equation 3 yields p T T p Q Q m ref m ref indoor Scale m Qm average flow rate on the flowmeter during a sampling period QScale indoor a set flow rate e g automatically determined by calibration pm average pressure on the integrated flowmeter during a sampling period Tm average temperature on the integrated flowmeter during a sampling period St m m Q V Vm transported volume at the flowmeter ts sampling time resp p T T p c m ref m ref M cM correction factor for flow rate on the flowmeter while from the general gas equation Q1 x p1 T1 Q2 x p2 T2 and the equation 3 it follows T T p p p T Q Q m ref m ref N N indoor Scale s Qs average flow rate at standard conditions pN standar
35. 000 4 3 1996 A1 1998 Test Cenelec EN 61000 4 4 1995 Test Cenelec EN 61000 4 5 1995 Test Cenelec EN 61000 4 6 1995 Test Cenelec EN 61000 4 11 1994 Following reports can be requested from DIGITEL GmbH Inspection report VDI Inspection report concerning the development of the noise level LAI report UMEG inspection report INDEX 58 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 17 INDEX AK protocol 37 AK Protocol 48 Application examples 44 Assembly 8 Bayern Hessen protocol 47 Bayern Hessen Protocol B 38 Bayern Hessen protocol 37 Blower 9 Blower off 45 46 Blower on 46 CA 5 calibration 29 Calibration table 59 changer 13 Changer jammed 13 Cleaning 9 CM 5 Communication 45 Connections 7 Consumables 8 Control commands description 45 Cs 5 date time 29 DHA 80 7 Digitel DHA 80 8 Digitel inlets 18 Digitel protocol 45 Dimension drawings 55 DPM10 30 42 EC Declaration of conformity 63 EN 12341 15 Failure indication messages 12 Field installation 8 filter change 7 Filter change 46 filter exchange 15 Filter paper 8 Filter Preparation 15 Filters 15 Flow calibration 15 flow meter 15 Function description 12 Fuses 8 Grease 9 HVS 6 impactor 42 Interface format 45 Last filter in service 12 List of control commands 45 Mains cable 8 maintenance 43 Maintenance 9 Op
36. 08 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 6 Function Description 6 1 Status Messages Please read the following text for description concerning the status messages which may appear during HVS control and how they are displayed and logged The logging showed below corresponds to the logging made by an optionally connectable printer If no special protocol is programmed for the RS 232C interface in addition to that the log data will be put out parallel in the same format on the RS 232C interface The type of logging of the various special protocols can be found in the annex of this manual 6 1 1 Last filter in service If the last filter is inserted the filter container is empty the following will appear Fr 05 09 03 11 05 28 Last filter in service The status message is cancelled as soon as the new filters are inserted in the container or the program switched to the status End of program If during the running working period no additional filters are inserted after the elapsing working period the following message will be displayed Sa 06 09 03 11 05 28 Pause Sa 06 09 03 11 05 28 End of program Fr 05 09 03 11 05 30 Blower off Collecttime min 1012 46 Blower on off 1 paM mbar 929 TaM C 20 0 cM 1 053 cs 15 1013 0 949 cA 17 996 0 972 VM m 539 268 Vs 15 1013 m 492 990 VA 17 996 m 497 842 at
37. 5 3 6 Contact consulting 5 4 System description 6 4 1 System overview 6 4 2 Connections 6 4 3 Operating mode 6 4 4 Assembly 7 4 4 1 Transport 7 4 4 2 Field installation 7 4 5 Consumables 7 4 5 1 Filter paper 7 4 5 2 Thermo printer paper 7 4 5 3 Sealing rings 7 4 5 4 Fuses 7 4 5 5 Mains cable 7 4 5 6 Grease for sampling heads impactors 8 4 6 Maintenance 8 4 6 1 Cleaning 8 4 6 2 Exchange of sealing rings 8 4 6 3 Tightness test
38. DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com DIGITEL Sequential High Volume Aerosol Sampler DHA 80 in field housing DHA 80 in mounting rack 19 DHA 80 in box housing DHA 80 in air floated field housing Manual Version HT0 25 October 2012 Technisches B ro f r Digitalelektronik Elektronischer Apparatebau Messger te f r Umweltschutz Wir bauen seit 1970 Pr zisions Sammler f r Staub Gas und Regen Table of contents 2 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Copyright 1995 2012 by DIGITEL Elektronik AG alte Gasse 18 CH 8604 Hegnau tel fax 0041 44 908 20 30 31 e mail info digitel ag com Operation instructions manuals and software are protected by copyright All rights reserved Reproduction copying translating converting in any electronic medium or in any machine readable form in whole or in part is not permitted An exception applies to preparation of back up copy of software for own use as far as it is technically possible and recommended by us Breaching handling binds to paying damages Warranty Claims against the Digitel Elektronik AG or Digitel Elektronik GmbH in relation to the
39. GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 7 1 5 Operation Ambient pressure temperature recording Here you can see the current temperature the current pressure as well as the current flow rate at the inlet ATTENTION If there is no ambient pressure temperature module connected and the setting ambient pressure temperature recording is de activated the operation panel will turn into yellow In this case the ambient temperature will be estimated temperature at flow meter 3K as well as the ambient pressure by averaging Average value of pressure in measuring system before sampling and pressure in measuring system after sampling will be calculated By touching the panel a menu with more detailed status information concerning ambient pressure temperature module will be started Feature Q scale outdoor l min If a reference flow meter is connected onto the inlet it shows the Q scale outside So any time a quick check of the flow rate can be performed 7 1 6 Operation panel Options Here you can see the panel for connected options In this example the option Filter store room climatisation is connected By touching the panel another menu will be started and show you more status information regarding the connected module 7 1 7 Panel Status resp error notification messages If the device runs free of errors the operation panel is green and will show you
40. TEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Appendix 57 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 16 3 EC Declaration of conformity 16 3 1 1 1 1 in terms of the EC directives Machines 89 392 EWG modified by 91 368 EEC and 93 44 EEC Appendix IIA Electromagnetic compatibility 89 336 EEC modified by 93 31 EEC Low potential voltage 73 23 EEC The machine Manufacturer DIGITEL AG Switzerland Type DHA 80 has been developed construed and manufactured in accordance with the above mentioned EC directives in sole responsibility of DIGITEL AG Switzerland and DIGITEL GmbH Austria Following tests and test procedures were applied Emitted interference requirement according to Cenelec EN 61326 1 1997 A1 1988 Test conducted radio emission according to Cenelec EN 55022 1998 CISPR16 1 Test electric field strength according to Cenelec EN 55022 1998 CISPR16 2 Test overtone currents according to Cenelec EN 61000 3 2 1995 A1 1998 A2 1998 Test flicker according to Cenelec EN 61000 3 3 1995 Interference resistance requirement according to Cenelec EN 61326 1 1997 A1 1988 Test Cenelec EN 61000 4 2 1995 A1 1998 Test Cenelec EN 61
41. a 1011 T average K 286 p stand hPa 1013 T stand K 273 pos cal point mm 129 0 offset cal Mark mm 0 4 cal pos station mm 129 9 pos swimmer mm 130 0 pos int input mm 131 0 pos int target mm 137 4 offset int Scale mm 6 4 offset filter mm 7 1 Q scale outd l min 500 8 Q amb act l min 523 4 Q scale indoor l min 513 6 Q stand l min 476 3 change 0 1 Di 19 03 02 08 43 17 Blower off Di 19 03 02 08 43 17 end of calibration 6 5 Meaning of abbreviations p act outdoor mbar Current pressure on the calibrated flowmeter T act outdoor K Current temperature on the calibrated flowmeter pM 500 l min mbar Current pressure on the integrated flowmeter TM 500 l min K Current temperature on the integrated flowmeter p average mbar Average yearly pressure at the installation site station condition T average K Average yearly temperature at the installation site station condition p standard mbar Standard air pressure T standard K Standard air temperature pos Cal Point mm calibration point position on calibrated flowmeter Offset cal Mark mm Difference between calibration position and calibration table 500 l min position cal pos Station mm Position of the floater calibrated for average station conditions on the installation site in calibrated flowmeter Pos swimmer mm Floater position on calibrated flowmeter befor
42. ains for approx 15 minutes Then the blower is switched on again Fr 05 09 03 11 05 28 Blower on There are three successive attempts to insert the filter during the pre selected working period After the third occurrence of overloading the blower will be turned off for 2 hours Afterwards the blower starts again and a new occurrence of overloading will be handled in the same manner as described above The display shows a failure indication message consisting of four lines The failure indication message is cancelled if a new filter is inserted the program is restarted or a power breakdown occurs 6 2 3 Overloading with Filter Changing If an overloading status of the blower is detected the blower is switched off automatically and an overload message displayed Fr 05 09 03 11 04 12 Overload If the program setting also enables to display the blower load Blower off is displayed Fr 05 09 03 11 04 15 Blower off At the first occurrence of overloading the control remains in this status for several seconds Upon the next occurrence of overloading with the same filter the blower is switched off for about 15 minutes Then the blower is switched on again The whole process is repeated three times Fr 05 09 03 11 05 28 Blower on There are four successive attempts to insert a filter during the pre selected working period After the fourth occurrence of overloading during a working period a filter exchange is started Mind that the minutes dis
43. al engineers Designing and programming staff must be familiar with safety concepts of automation technology Operators have to be instructed on handling the instrument and know the operation instructions The staff in charge of installation initiation and maintenance should have professional background to be authorised to intervene in automation systems 3 4 Abbreviations CM Correction factor for air flow through the filter related to an average air pressure and an average air temperature in the measurement tube during the sampling period Cs Correction factor for air flow on the measurement tube related to the set standard conditions standard air pressure and standard air temperature CA Correction factor for air flow on an inlet related to an average air pressure before and after sampling and to an average temperature on the measurement tube 3 K during sampling period Calculation of this correction factor is based on simplified assumptions whereby smaller deviations from the actual correction factor on the air inlet can occur VM Air volume transported through the filter during the sampling period related to an average air pressure and to the average air temperature in the measurement tube during the sampling period Vs Air volume transported through the filter during the sampling period related to the set standard conditions VA Air volume transported through the inlet during the sampling period related to t
44. ally in combination with the elastic coupling so that the cartridges can be transported normally again If the change cannot be done successfully after a number of tries the control stopps with turned off motor in the failure state cartridge changer jammed The following failure report is given out Fr 08 05 09 11 05 28 Cartridge changer jammed Function Description 13 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 6 3 Status change Status changing by the HVS control occurs if the timer achieves the pre set value The logging showed below corresponds to the logging of the optionally connectable printer If there is no special protocol programmed for the RS 232C interface additionally the log data will be put out parallel in the same format on the RS 232C interface The type of logging can be found in various special protocols in the annex of this manual Arbitrary status Start time The HVS control stays in this operation status until the pre set start time is reached Hereby the start time can be determined for the period of sampling time if e g sampling of daily samples has to be started at midnight The following logging will be displayed Fr 05 09 03 11 03 13 Wait The starting point is determined at the menu point Starting date time In the entry menu for the s
45. asuring system if the air pressure at the inlet is the same pressure as at the station TStation integrated flowmeter average temperature at the installation site plus 3K temperature increase at filter at volume flow of 500 l min Which means the temperature of the measuring system if the temperature at the inlet is the same temperature as at the station from the general gas equation 2 2 2 1 1 1 T p Q T p Q it follows flowmeter in build Station Station flowmeter in build Station Station Ref filter at fall Station Station Station Station Ref Station flowmeter in buil loc p T T p Q p p 3K T T p Q Q QRef Air inlet volume flow of 500 l min under station conditions Qloc indoor Station volume flow in the integrated flowmeter for air inlet volume flow of 500 l min under station conditions pStation average air pressure at the installation site TStation average temperature at the installation site At the station conditions at the integrated flowmeter and from equation 3 and 4 follows flowmeter in build Station ref flowmeter in build Station ref Station Station Ref flowmeter in build Scala p p T T T p Q Q QScala integrated flowmeter Shown volume flow at integrated flowmeter under station
46. ated onto 150 mm diameter filters The filter diameter in the flow is 140 mm Sequent gravimetric and analytical analysis could be conducted depending upon the pollutants of interest Filter material and structure selection deep filters porous filters glass fibres silica fibres pulp Teflon porosity will depend on the analysis purpose The filter conditioning is important in order to achieve reproducible results DHA 80 has a storage of 15 filters stretched in filterholders The filters are changed automatically to the flow position at the pre set time A flow meter controls the selected air flow rate This value should be calibrated first at the beginning of a measurement session using a gasmeter or a secondary standard e g an additional flow meter During air sampling the blower flow rate is dynamically controlled so that this value is kept at good reproducibility and at long term stability despite the deposited filter flow resistance and the sampled ambient air pressure temperature variation An integrated microprocessor unit controls the filter changes at the exact preset time and collects all relevant data and events Hereby the air quantity flowing through the filter is defined with high accuracy All mechanical components of the changing automatics as well as the units needed for measurement as sampling probe pipeline flow chamber and filter holder are coated with highly corrosion resistant and extremely smooth Ematal Fo
47. ation of the High Volume sampler by transferring the INI file For the status check the FTP server provides a status error and data file Via the HTTP server an easy remote control and a status request of the High Volume sampler are possible 12 1 FTP server 12 1 1 Dial up The internet connection can only be effected by means of a user name and password User name Default root Password Default password Attention Before transmission of the control system file please set IP address see 7 2 2 3 2 Ethernet 12 1 2 Breaking off connection The FTP client can break off the connection and start a new one any time 12 1 3 Contents of the FTP server index 12 1 3 1 Protocol file hvsdat dat The protocol file contains all filter data status messages settings which were set up for the logging Example We 13 05 09 10 47 25 device id DEVICE 1 filter data col time min 0 02 pmM hPa 942 TmM C 24 6 kM 25 942 1 054 ks 15 1013 0 948 ka 22 940 1 046 VM 25 942 l 0 879 Vs 15 1013 l 0 790 Va 22 940 l 0 871 at Q Scale i 500 00 l min We 13 05 09 10 47 25 Work The contents of the hvsdat dat file can be deleted by means of transmission of the file del_dat txt with contents delete 12 2 HTTP Server The HTTP server issues a website with all current measuring values and enables via pushbuttons an easy remote control of the High Volume sampler 12 2 1 Dial up
48. bing cleaning products The flow meter glass tube has to be visually inspected In case of a broken filter or negligent sampler operation without a filter inserted contamination can also occur In case of any doubt the tube has to be removed and cleaned Due to its difficult accessibility the upper part of the funnel shaped flow chamber located before the filter can only be cleaned in combination with possible changer apparatus service works As this section of air sample path shows a much larger inner diameter as a rule it is less affected by deposits The air inlet tube interior has to be inspected for wall deposits and in case of doubt cleaned using a cloth As a cleaning liquid we recommend water and or spirits TSP sampling probes open ring slot according to VDE or EMPA UBA cylindrical probes have to be checked for dust deposits and cleaned if possible Normally cleaning with the use of a wet cloth is sufficient Probes PM10 PM 2 5 and PM1 To avoid effects of released separated rough dust particles the cannon surface of the impactor plate has to be permanently covered with a thin fat layer It has to be renewed periodically Thereby the life cycle depends upon the proportion of rough dust in the sampled exterior air It is recommended to clean the impactor plate after 14 sampling days by the time the average total dust volume TSP on the installation side is approx 70 to 80 g m With lower TSP the cleaning interva
49. changed This filter will be processed until the start time the next filter is reached After having evaluated this filter it should be checked that the sampling time is composed of the pre calibration time and the time during the filter was processed in the pre start filter program Both the values have to be added manually Herewith the instrument is reset into original sampling condition and the selected program is processed Unless a new sampling program is to be started after calibration the calibration filter holder has to be exchanged manually from the flowing position switch automatic changer off and enter the button Manual change for a short period of time 1 to 2 seconds Then switch the automatic changer off on again Now the filter holder which is present in the flowing chamber is automatically changed 6 4 4 4 Logging of calibration At the end of calibration the entered and internally calculated data are logged on the printer USB drive or serial interface if available and activated As an example we provide here logging on the printer Di 19 03 02 08 36 43 calibration started Di 19 03 02 08 37 53 Work Di 19 03 02 08 38 15 Filter change Di 19 03 02 08 38 31 Blower on Di 19 03 02 08 40 43 calibration for 500 l min at av station conditions flow meters interior TECFLUID 420 600 refer KDE MOBREY p act outdoor hPa 950 T act outdoor K 295 pM 500 l min hPa 911 TM 500 l min K 297 p average hP
50. che 4 als Leerkartusche The end of the program is then determined by the last filter If all the entered data is correct the following message appears Kartuschenwechsel erfolgreich programmiert 7 2 1 4 Status times 7 2 1 4 1 Filter change In this submenu the times for work and wait state have to be entered The work time is the time in minutes one filter stays in the air flow blower on The wait time is the time in minutes that is passed after the work periode before a new filter is changed in and work periode is starting again Chosing the back field the submenu can be left without any change of the saved times The entered times are read in minutes and can be used from 0 to 59999 minutes 7 2 1 4 2 Cartridge change If the option Cartridge changer is activated an additional field cartridge changing times appears The times for cartridge change are usually entered at program start The same menus as in 7 2 1 3 2 Programming of cartridge changing times appear 7 2 1 5 Calibration In this menu the current program can be stopped and a calibration can be started at all times All filter and cartridge data are saved and given out For calibration see 6 4 4 Performing calibration Programming 25 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 7 2 2 Change Conf
51. conditions at inlet for air inlet volume flow of 500 l min This value is automatically taken over by the control software as a set flow At these settings the volume flow at the inlet is QRef 500 l min if the station conditions are given The volume flow for different conditions during calibration follows from equation 2 and 5 flowmeter in build ref flowmeter in build ref flowmeter in build Scala flowmeter in build Cal p T T p Q Q QCal integrated flowmeter actual set volume flow actual conditions at the integrated flowmeter for volume flow of 500 l min at the inlet under station conditions pintegrated flowmeter actual pressure in the integrated flowmeter during calibration Tintegrated flowmeter actual temperature in the integrated flowmeter during calibration or Function Description 15 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com flowmeter in build Station flowmeter in build flowmeter in build Station flowmeter in build Station Station Ref flowmeter in build Cal p p T T T p Q Q From the general gas equation and from the equation 7 follows the volume flow on calibrated flowmeter 8 flowmeter in build Statio
52. d meter and is internally equipped with an arrester For this just one power connection required The dust microprocessor control of the sampler processes data transmitted by the wind meter and controls correspondingly to the blower parameter The required opening angle for the wind direction may be within 10 and 160 the limit for the wind velocity response can be set in 0 5 m s steps within the range of 0 5 m s and 5 m s Additionally the period of time to the average out the measured wind direction and velocity can be set in two minutes steps from 2 minutes up to 32 minutes The averaged data of the wind direction and wind velocity are performed according to the Austrian standard NORM 9490 part 2 The reached status and failure indication messages are logged in an integrated printer and in an additional serial interface RS232C Communication 39 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 10 Communication 10 1 D Sub 9 Pin allocation terminal interface Pin allocation Pin No Signal 2 Receive Data RxD 3 Transmit Data TxD 5 Ground GND 7 Request to send RTS 8 Clear to send CTS 9 12V Res To connect the Digitel HVS with a PC 9 pole connector D Sub a crossed cable zero modem is required 10 2 Digitel protocol 10 2 1 List
53. d pressure TN standard temperature St s s Q V Vs transported standard volume on the flowmeter resp T T p p c m ref m ref s N N p T cs correction factor for the standard flow rate on the flowmeter For transported operation volume determination on the sampling head not all required measurement values are available for the control at the moment Nevertheless the following calculation can serve a good approximation Air pressure determination operation pressure on the sampling head is performed by pressure measurement before and after sampling with the blower switched off on the integrated flowmeter and by calculating the average of both measurements Moreover it is supposed that air passing through the filter is warmed up approximately by 3 K As a result of that the temperature decreased by 3 K on the integrated flowmeter is taken as the average temperature on the air inlet operation temperature Consequently according to the equation 11 the operation volume on the air inlet under determined conditions can be derived T T p p p T Q Q m ref m ref A A indoor Scale A QA average flow rate at operation statuss on the air inlet PA operation pressure determined indirectly TA operation temperature estimated Further it implies 15 St A A Q V VA transported operation v
54. dication message is cancelled after a new filter is inserted the program is restarted or if a power breakdown occurs 6 2 4 Changer Jammed If the exchange mechanism is jammed filter exchange cannot be carried out the control tries on its own to remove the blockage using the running up motor of the periodic changer in connection with a flexible clutch to effect proper filter transport If the filter exchange is impossible despite multiple trials the control remains in the failure indication status changer locked with the changer motor switched off The following failure indication message is displayed Fr 05 09 03 11 05 28 Changer jammed In this case please the filters placed in the filter container must be checked The inserted filters can be changed manually when the filter changing automation is switched off and the filter is exchanged using a handwheel or a manual starting Then in any case the filter exchange automation has to be switched on again If the exchange mechanism is not in the final position filter changed after switching the automation on it will get to the final position automatically If the filter exchange automation is switched off during normal operation this failure indication message is always shown on the display 6 2 5 Cartridge Changer Jammed If the mechanics of the cartridge changer are blocked no cartridge change can be made the control tries to lift the blockade by turning on the motor periodic
55. e and average temperature at the installation site during an expected sampling period is done with regard to Digitel inlets PM10 PM2 5 having their cut point of 10 m or 2 5 m always at this flow rate At the same time the comparison of sampling results of as many stations as possible is made simpler All calibrated flowmeters delivered by Digitel have a calibration marking prevailing a red mark for 500 l min at 15 C and 1 013 mbar For the performing of forthcoming calculations the following parameters have to be entered poutdoor current pressure at calibrated flowmeter Toutdoor current temperature at calibrated flowmeter pStation estimated average air pressure at the installation site during expected sampling period TStation estimated average temperature at the installation site during expected sampling period position of the calibration mark on the calibrated flowmeter in mm position of the floater in the calibrated flowmeter before re calibration position of the floater in the integrated flowmeter after re calibration The following values are automatically determined during calibration pindoor pressure in the integrated flowmeter during calibration Tindoor temperature in the integrated flowmeter during calibration The values for pStation and TStation can only be estimated As a rule the average annual values of air pressure and air temperature at the installation sit
56. e are applied presumed that the instrument will operate at the installation site for a period of at least one year These values can only be taken from neighbouring meteorological stations If no meteorological data are available it is possible to refer to offices of local weather services As a rule required data can be determined with satisfactory 6 4 4 2 Preparation for calibration Prepare a calibrated flowmeter with a matching coupling adapter Prepare a filter holder with an inserted new filter The same filter material has to be used as the material used for the subsequent sampling Note the position of the calibration point on the calibrated flowmeter as a rule a red mark The position reading is performed in mm printed scale division Determine the data for pStation and TStation yearly average values for pressure and temperature at the installation site Determine the data for Pouter and touter current pressure and current temperature at the calibrated flowmeter if the calibrated flowmeter is fitted in the measurement cabinet directly on DHA 80 the inner temperature of the measurement cabinet has to be applied if the calibrated flowmeter is operated in open air the current outer temperature has to be determined Set the switch probe heating to the lowest degree If the sampler is just processing a program follow the instructions shown under item 7 Otherwise skip to item 9 Remove the already deposited filters from the
57. e calibration pos int Input mm Floater calibrated position in the integrated flowmeter pos int target mm Floater set point position after Function Description 20 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com calibration in the integrated flowmeter Offset int scale mm Difference between integrated flowmeter scale and calibration table at Q amb act Offset filter mm Offset filter mm Difference between calibrated flowmeter and integrated flowmeter on the basis of the filter resistance depends on lower pressure in integrated flowmeter Pos int target mm cal pos Station mm Offset cal point mm Q scale outd l min Flow rate on the calibrated flowmeter after calibration related to station conditions Q amb act l min Current flow rate on the calibrated flowmeter after calibration at current conditions Flow rate on the calibrated flowmeter after calibration related to station conditions Q scale indoor l min Set flow rate on the integrated flowmeter after calibration this value should also automatically be taken over as an operation flow rate into control Q standard l min Flow rate after calibration related to standard conditions change Actual value Target value Target value 10
58. eating excess temperature protection TSP PM10 PM2 5 PM1 optionally with integrated heating excess temperature protection TSP PM10 PM2 5 PM1 optionally with integrated heating excess temperature protection TSP PM10 PM2 5 PM1 optionally with integrated heating excess temperature protection Ambient pressure and temperature sensor PAH cartridge holder PAH 4 channel cartridge changer Log printer External weather data logging Special execution for operation altitudes above 2000 m upon request Dimension drawings 49 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 14 Dimension drawings 14 1 DHA 80 in field housing Figure 7 Dimension drawing field housing DHA 80 Dimension drawings 50 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 14 2 DHA 80 in air floated field housing Figure 8 Dimension drawing air floated field housing DHA 80 Dimension drawings 51 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B
59. ed After the confirmation the new firmware is read from the USB drive and the control is newly programmed This procedure may take several minutes After successful firmware update the control is restared 7 2 2 3 1 4 Start Bootloader Update When this button is used the bootloader update menu is started This menu only appears if the file DI_ROM BIN new bootloader is on the USB drive To avoid unintended over writing of bootloader the option has to be confirmed After the confirmation the new bootloader is read from the USB drive and the control is newly programmed This procedure may take several minutes After successful bootloader update the control is restared 7 2 2 3 1 5 Update Languages When this button is used the language update menu is started This menu only appears if the file DI_TEXTE TXT new text files additional languages is on the USB drive The new texts can now be copied from the USB drive After successful overwriting the new texts are displayed on the screen 7 2 2 3 2 Ethernet Here the IP address gateway and subnet mask can be entered The user name and password for the ethernet connection can be set in this menu as well Programming 32 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Input of the IP Adress The values are confirmed using
60. entage rate can be pre set deciding at which variation of blower load the output is to be transmitted the line 4 should be set on on If a lower value e g 1 is pre set there is a risk that the blower load will be be transmitted too frequently as any variation of conditions on the filter e g moisture temperature etc should be controlled Pre setting of a higher value reduces the frequency of messages concerning the blower load Filter change before pause Shall the filter change proceed before pause period on Filter change will proceed at the start of pause period off Filter change will proceed at the end of pause period Start up park position Shall the filterholder be put into park position before wait times on the filterholder is put into park position on no park position Decimal marker dot Dezimaltrennzeichen off On USB drive printer and touchscreen the decimal separator is a comma on On USB drive printer and touchscreen the decimal separator is a dot 7 2 2 2 2 pressure temperature settings The details of the pressure and temperature submenu can be seen in detail in the below table Menu item Designation Correction Factor Measuring System Shall a correction factor be transmitted for a pre set flow on After elapsing the Work period the correction factor for pre set flow or the entire measurement volumes is logged printer interface USB drive
61. erating mode 7 Operation modes 15 p uncal 5 p T 6 PA 6 PaA 6 paM 6 Pause 13 14 pM 6 Programming 24 ps 6 Remote control 12 Safety instructions 5 sampling probe 42 Sealing rings 8 Setting of operation status 15 start program 27 Status change 14 status times 28 stop program 27 SW Version 41 System description 7 TaM 6 terminal interface 45 Thermo printer paper 8 Tightness test 9 TM 6 Transport 8 Ts 6 VA 5 VDI 2463 7 VM 5 Vs 5 Wait 14 Work 14
62. esponds to the one specified in the printer for output Response from HVS Sa 09 05 09 12 00 03 Blower off Collecttime min 1399 96 Blower on off 1 Communication 40 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com paM mbar 929 TaM C 20 0 PaA mbar 969 TaA C 17 2 cM 1 053 cs 15 1013 0 949 cA 17 996 0 972 VM m 539 268 Vs 15 1013 m 492 990 VA 17 996 m 497 842 at 512 l min Sa 09 05 09 12 00 10 Filter change Sa 09 05 09 12 00 15 Blower on or Sa 09 05 09 12 00 03 Blower off Collecttime min 1399 96 Blower on off 1 paM mbar 929 TaM C 20 0 PaA mbar 969 TaA C 17 2 cM 1 053 cs 15 1013 0 949 cA 17 996 0 972 VM m 539 268 Vs 15 1013 m 492 990 VA 17 996 m 497 842 at 512 l min Sa 09 05 09 12 00 10 Filter change Sa 09 05 09 12 00 12 Last filter in service Sa 09 05 09 12 00 15 Blower on if the program is completed Sa 09 05 09 12 00 03 Blower off Collecttime min 1399 96 Blower on off 1 paM mbar 929 TaM C 20 0 cM 1 053 cs 15 1013 0 949 cA 17 996 0 972 VM m 539 268 Vs 15 1013 m 492 990 VA 17 996 m 497 842 at 512 l min Sa 09 05 09 12 00 10 Filter
63. f values to be logged as well as pressure sensor calibration required only if no semi automated calibration of the instrument has been carried out If necessary print applied settings To insert the first filter holder manually into the changer magazine To slide upwards up to the stop and to hold empty collection tray with the right hand 10a With a firmly held empty collection tray press the key Manual change for approx two seconds then put the switch Changer off to the position on Then the inserted filter holder is automatically transported to the flowing position 10b Alternatively using the black knob by rotating with the left hand the changer fork can be moved from the flowing position below the magazine and back Herewith while the fork is under the filter holder magazine the inserted filter holder should drop from the magazine onto the fork Insert further filter holders with filters observe the date sequence to the filter magazine The switch Changer off has to be put into the position on unless already performed under point 10a The switch Blower off in the position on Possible new start time to program and to restart the program or to program flow through the prestart filter So the sampler is programmed and sampling will start at the start time set 5 3 2 Instrument filter exchange and inspection Blower running 1 The filter magazine has to be replenished with new s in the simplest way under
64. filter magazine below the changer level just check the sequence of filter holders if the filters are not numbered Remove all the filters that are not sampled yet from the filter magazine here check the sequence of filter holders as well The filter holders processed and located presently in the flowing chamber shall be changed during calibration Therefore it is not required to remove this filter holder manually from the flowing position Further all data determined at the beginning of calibration are automatically logged to the currently active filter printer USB drive interface It is not required to finish the program before starting calibration Now calibration can be performed 6 4 4 3 Start calibration Start calibration as following gt menu gt change program status gt Start calibration By starting the calibration a possible running sampling program could be interrupted The current filter data will be logged After data logging exchange for the interrupted sampling cycle following display will appear Function Description 17 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Here you can set the flow rate in l min at the inlet enter during the sampling period The calibration is performed to this desired flow rate After setting the flow rate the display i
65. hardware and or software products described in this manual are governed exclusively by provisions of the Warranty terms Excessive claims are excluded particularly Digitel assumes no warranty for correctness of this manual Amendments are reserved while they may be made without any previous notice any time The current version is available on our homepage www digitel ag com at docu download Trade marks Without being listed separately throughout this manual registered trademarks and trade names are referred to in particular those of Microsoft Corporation Text processed with Word 7 0 Microsoft Table of contents 3 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 1 Table of contents 1 Table of contents 3 2 Table of figures 3 3 Introduction 4 3 1 Safety instructions 4 3 2 Proper use 4 3 3 Target group 4 3 4 Abbreviations 4 3 5 Typographic conventions
66. he average air pressure before and after sampling and to the average air temperature in the measurement tube 3 K during the sampling period of time Calculation of this volume is based on a simplified assumption whereby small deviations from the current transported volume can occur at the air inlet p uncal Non calibrated air pressure measured by the measurement system Introduction 5 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com pM Actual air pressure in the measurement system paM Average air pressure in the measurement system during the sampling period ps Standard air pressure the air pressure to which output of values for cs and Vs have to be related TM Current air temperature on the measurement system TaM Average air temperature in the measurement system during the sampling period Ts Standard air temperature the air temperature to which output of values for cs and Vs have to be related PA Current air pressure at the air inlet operation pressure PaA Average air pressure at the air inlet during the sampling period average operating pressure TA Current temperature at the air inlet operation temperature TaA Average temperature at the air inlet during the sampling period average operation temperature p T Air pressure temperature HVS
67. he measurement tube Correction plot applied if the measurement instrument is calibrated at 1 013 bar absolute and now applied for another pressure correction factor c Operation pressure in hPa Appendix 54 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Temperature correction for gases at turbulent operation Calculation of correction factor for a measurement instrument applying another temperature than the original temperature c ts te 273 273 c correction factor to be multiplied with the showed value of the flow meter at a calibration temperature Te and an operation temperature Ts If Te 20 C the below plot directly gives the correction factor c Ts operation temperature in C Te calibration temperature in C indicated on the measurement tube Correction plot applied if the measurement instrument is calibrated at 20 C absolute and now applied for a different value of temperature correction factor c Temperature in C ts Figure 11 Pressure and temperature correction table Appendix 55 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 16 2 Menu Appendix 56 DIGI
68. igitel ag com info digitel ag com Filter change Sa 09 05 09 12 00 17 Last filter in service or Sa 09 05 09 12 00 12 WORK ext Sa 09 05 09 12 00 16 Last filter in service Sa 09 05 09 12 00 17 End of program if the program was completed HVS WAIT Host HVS WAIT The command brings the HVS to Wait operation status The range of the transmitted response corresponds to the one specified in the printer for output Response from HVS Sa 09 05 09 12 00 12 WAIT ext HVS PAUSE Host HVS PAUSE The command brings HVS to the Pause operation status The range of transmitted response corresponds to the one specified in the printer for output Response from HVS Sa 09 05 09 12 00 12 PAUSE ext HVS EINST Host HVS EINST The command causes the HVS to transmit current settings Response from HVS Current settings are transmitted to the terminal interface instead of to the printer We 13 05 09 11 42 17 version H00 38 Unicate no 00000009 B438 ESE Ser No 00100281 Chg filter at overload on Repeat after 2h off Stop time at pwr fail off send failure msg only off blower capacity on blower cap gt 90 off Blower pwr sens 2 Blower on off on 4 day sequence off Bayern Hessen Prot on Bayern Hessen Prot B on Bayern Hessen Address 310 curr blower capacity on curr collecttime on Press meas on Temp meas on Press Amb on Temp Amb on act corr
69. iguration 7 2 2 1 Insert Date Time An easy way to enter a correct time is to enter a time that is some seconds away and to confirm it with the enter button when the entered time is reached 7 2 2 2 Change Parameters 7 2 2 2 1 General Settings In the following table the settings are explained Menu item Designation Filter Change at Overload Shall we exchange the filter in case of overloading and shall the remaining Work period be collected for a new filter or shall we wait for the working period end with blower switched off on With filter exchange upon overloading off Without filter exchange upon overloading Turbine on 2h after overload Shall the blower switched on after 2h after an overloading on Restart after 2h after an overloading off Wait the remaining Work period with blower switched off Pwr fail stop Shall the time be held after a power breakdown in the Work status on The status period Wait Work or Pause is held during power breakdown It suggests that any filter independent of a power black out is deposited with the set Work time Additionally it implies that any power breakdown shifts the next filter change time point by the period of power breakdown so that the filter exchange time point cannot be defined any more off After a power breakdown finishes a power breakdown period is added to the corresponding stat
70. in Volume flow Control accuracy lt 5 of FSS lt 5 of FSS lt 5 of FSS lt 5 of FSS Suction unit average durability 36 000 h 36 000 h 36 000 h 36 000 h Reproducible accuracy settings according to UMEG report No 6 08 00 0 45 0 45 0 45 0 45 Accuracy of logged standard and measured volumes lt 2 lt 2 lt 2 lt 2 Time programs Work Pause 0 to 59999 minutes each start time adjustable using date and time Work Pause 0 to 59999 minutes each start time adjustable using date and time Work Pause 0 to 59999 minutes each start time adjustable using date and time Work Pause 0 to 59999 minutes each start time adjustable using date and time Outer dimensions H x W x D 1 300 600 250 mm 1 300 600 290 mm 1 260 528 250 mm 960 483 500 mm Weight 60 kg 68 kg 43 kg 45 kg Protection class IP54 IP54 IP50 IP50 Filters 15 round filters of d 150 mm flowing area of d 140 mm filter material depends on the aim of analysis 15 round filters of d 150 mm flowing area of d 140 mm filter material depends on the aim of analysis 15 round filters of d 150 mm flowing area of d 140 mm filter material depends on the aim of analysis 15 round filters of d 150 mm flowing area of d 140 mm filter material depends on the aim of analysis Vacuum at 1 000 l min max 130 mbar max 130 mbar max 130 mba
71. ind cable reels without a thermo fuse have a risk of fire because of strong heating of the wound up cable Use a Euro instrument cable with SCHUKO plug at least 3 x 1 0 mm 10 A only System description 8 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 4 5 6 Grease for sampling heads impactors Examples for greases that can be used BAYSILON paste high vacuum grease medium viscous 35 g tube and silicon high vacuum grease medium Merck 100 g CAS Nb 107922 4 6 Maintenance Digitel High Volume Samplers need minimum maintenance However depending on the degree of air pollution and climatic load upon installation site inspection of the sampler associated with cleaning is necessary In particular the following activities shall be performed 4 6 1 Cleaning High volume samplers must be cleaned on regular basis Cleaning intervals strongly depend on particulars of installation site and they have to be determined by the operator They may range from one month up to a year During cleaning the instrument should be off power To clean the instrument a dry cloth should be used At heavy contamination the cloth should be wetted with a commercial window cleaning agent Make sure that the instrument is dried up before putting under operation again Avoid using solving and scrub
72. ing Wind controlled sampling for the determination of dust substances using the Digitel DHA 80 With usual imission monitoring measurement data are determined area wide in relation to the installation site These measurement data are evaluated in relation to the conceptional formulation immediate values related to the installation site hourly daily and yearly average values etc An additional allocation of the recorded data and a potential source is not possible in the majority of cases Upon special conceptional formulation authorities frequently put particular demands upon imission measurement in order to allow accurate statements on the measured dust compounds origin This could only be achieved with a very dense and stable measurement network Via wind controlled sampling using two Digitel High Volume Samplers which are installed in ambit of a special polluter on local conditions it is also possible to take the weather conditions in consideration So it is easier to meet requirements that force the probe to be representative of the total lot Accreditation Law Herewith a considerable improvement of statement and reproducibility is achieved for the recorded data Moreover this measurement method also allows precise prediction of imission burden on installation sites where no measurements are carried out In addition to that separate measurement values can be dedicated to a certain polluter Using the described measurement arrangement
73. inspected by a Digitel service engineer and possibly replaced after 2 to 3 years of operation Sealing rings 150 x 3 mm at the filter holder bottom part have to be equipped with an anti friction layer They have to be regularly checked when a new filter is inserted and rubbed using a dry cloth When this layer is worn out or in case of increasing sticking tendency it should be renewed We recommend to replace these sealing rings annually 4 6 3 Tightness test Checking of volume flow calibration Blower charge and the required convertor frequency indicated for a particular flow rate and filter type have to be noted at the beginning of instrument operation Sudden insufficient blower capacity under the same conditions is caused by leakage in the air sample path after the filter Another very simple option for testing the sampler tightness consists in closing the sampler at the air inlet muffle with air inlet tube removed or as the case may be by inserting an air impenetrable cardboard instead of the filter paper to the filter holder and switching the blower on In both cases the flow meter floater must not be lifted from its resting position at the bottom of the measurement tube Hereby the blower must be run up to its maximum capacity in order to reach the overload condition Checking of the volume flow simultaneously represents a check of tightness These procedures have to be taken about every two months The second flow meter of the sa
74. is turned off Heating controlled by ambient temperature on The power of the inlet heating is controlled by ambient temperature For this an outside temperature pressure module has to be installed off The inlet heating is driven by a constant power which can be chosen in this menu Heating amplifier This setting is only available when the inlet heating is controlled by ambient temperature on the heating is controlled in a way that the power is 100 at outside temperatures under 10 C and 0 at over 10 C off on the heating is controlled in a way that the power is 100 at outside temperatures under 20 C and 0 at over 20 C Heating capacity This setting is only available if the inlet heating is not controlled by ambient temperature The heating is operated with the set power of heating 7 2 2 2 3 2 Ambient pressure temperature measurement In the following table the options for ambient pressure and temperature measurement are explained in more detail Programming 28 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com ambient pressure temperature measurement Shall ambient pressure and temperature be measured on The current pressure and temperature at the inlet is measured Attention For this setting an ambient pressure te
75. k characters Bay Hessen control telegram for Digitel HVS Control command structure Field No Start position End position Content Description 1 0 0 lt STX gt Start of Text 2 1 2 ST 3 3 5 310 Instrument address 4 6 6 x Control command 5 7 7 lt ETX gt End of Text 6 8 8 lt BCC1 gt High Nibble BCC 7 9 9 lt BCC2 gt Low Nibble BCC Control command E Remote control on W Wait B Work P Pause F Filter exchange A Remote control off C initialisation of cM cA cs VM Vs VA sampling time filter change flag in the Bayern Hessen protocol modes 3 and 4 the sampling time cM cA cs VM Vs VA and filter change flag values are transmitted until the control command C is received Herewith it is ensured that the receiver receives the data 10 4 AK Protocol Implemented control commands Control command Description AREG Ask Register Command actually implemented EREG Enter Register Command actually not implemented SFxx Set Function xx Command actually not implemented ASTO Ask Storage Command actually not implemented SSTO Set Storage Command actually not implemented Interface format Format 1 start bit 8 data bits 1 stop bit no parity Baud rate 9600 Handshake Control command structure General transmission format The first character of a command is always a start character STX After that the
76. l can be longer The cleaning interval can be reduced by rotating of the moveable impactor plate resting on the heating holder by about 15 approx 2 cm Acceleration nozzles then point at the clean areas between rough dust deposit settled in a circular form of the previous sampling operation The impactor plate can be removed simply after opening the probe upper part It has to be cleaned with a clean cloth and its cannon surface has to be greased A 5 cm long band of grease should be equally spread on the area using a spatula To relieve this maintenance in the field the impactor plate can be replaced by another plate prepared in the laboratory Acceleration nozzles probe casing liners as well as liner behind the impactor plate with the above mentioned TSP condition have to be cleaned after 30 flowing days In case of longer sampling in foggy environment it is recommendable to inspect the impactor plate for water condensate 4 6 2 Exchange of sealing rings The transition areas between the above stated path separate section of the air probes are equipped with sealing rings Special attention has to be paid to the sealing ring of 43 x 3 mm at the sampler air inlet muffle as well as to the glass measurement tube s sealing rings 50 4 x 3 53 mm These sealing rings have to be checked and possibly replaced after 2 to 3 years of operation The sealing ring of 150 x 3 mm at the bottom flange of upper part of the flowing chamber should be
77. lated from the mains and handed over to a service engineer in following cases if a mains cable or a plug is worn or damaged if the instrument despite following the stated operation instructions does not work properly Only use those controls referred to in the manual as improper instrument operation may cause damages if the instrument fell down or the case is damaged if the instrument shows conspicuous deviations from normal operation Ensure the instrument to be permanently closed during unattended sampling period If you need any assistance please do not hesitate to contact us We would be pleased to advise you 3 2 Proper use The instrument is designed for industrial use The instrument is manufactured in compliance with applicable state of the art and safety technical standards Nevertheless the use of the instrument can still endanger the instrument itself or other valuable things The instrument meets the EMC requirements electromagnetic compatibility directives and harmonised European standards Any variation of the system may affect EMC behaviour It is an A class equipment This equipment may induce high frequency interference in a residential area In this case the operator must take appropriate measures 3 3 Target group All designing programming installing works initiation operation and maintenance in relation to the sampling system must only be carried out by trained staff e g electricians electric
78. leaning interval may be longer An option to extend the cleaning interval results from the moveable impactor plate fitted on the heater holder by rotation of approx 15 about 2 cm The acceleration nozzles point at the still clean areas between circularly deposited rough dust layers of the previous sampling operation The impactor plate can be simply removed by opening the probe upper part It has to be cleaned using a clean cloth and the baffler area has to be greased regularly About a 5 cm long band of grease should be equally spread on the area using a spatula To facilitate this maintenance the impactor plate can be replaced by a substitute plate prepared in the laboratory The acceleration nozzles the liners of the probe casing as well as a liner behind the impactor plate have to be cleaned under above mentioned TSP conditions after 30 sampling days At a time of longer sampling in foggy environment it is advised to check the impactor plate for water condensation Impaction of DPM 2 5 30 00 at 15 C 1013 hPa 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 10 15 20 25 30 35 40 45 50 55 60 Flow rate m3 h d50 m Application examples 38 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 9 Application examples 9 1 Wind controlled sampl
79. lower load act collecttime elapsed collect time for the actual filter Press meas actual pressure in measurement system Temp meas actual temperature in measurement system act corr meas Actual correction factor for pre set flow through measurement system related to measured environmental conditions in measurement system act corr std Actual correction for pre set flow through measurement system related to standard conditions act corr amb Actual correction factor for pre set flow through measurement system related to estimated conditions on the air inlet air pressure average value before and after sampling on the sampling head and flow meter average temperature 3K collecttime Elapsed collect time of the last completed filter This value will be shown only one time or until C command is received dependent of the parameter repeated print If no C command is received the value will be shown until completion of the actual filter p avg Average pressure conditions in the measurement system of the last completed filter during the sampling period This value will be shown only one time or until C command is received dependent of the parameter repeated print If no C command is received the value will be shown until completion of the actual filter Temp avg Average temperature conditions in the measurement system of the last completed filter during the sampling period This value
80. mbar the pressure at which the scale was calibrated Tref 288 K the temperature at which the scale was calibrated pm average pressure on the integrated flowmeter during sampling period Tm average temperature on the integrated flowmeter during sampling period The maximum error of QN caused by an error of Tm and pm measurements is at maximum 1 66 throughout the entire temperature range of application As a rule the error is significantly smaller as the error of pressure measurement at the standard operation temperature range is considerably smaller Anyway to this the uncertainty of flow determination of 0 45 has also to be added Example QScale 520 l min pm 960 mbar Tm 295 K from which the standard flow is calculated QN 500 17 l min if now the measurement of pm transmitted a value higher by 10 mbar approximately 1 05 error it yields an actual standard flow of QN 497 56 l min So the standard flow was entered approx 0 52 too high The result were similar if the temperature was erroneous Let us assume the measured temperature was approx at 2 K about 0 67 higher then it implies actual standard flow of QN 50l 88 l min The standard flow was also entered about 0 34 lower Error estimates for calibration We have based our considerations upon the fact that values required for calibration are given with higher accuracy current pressure and current temperature on a calibrated flowmeter are
81. me type as in the sampler used to check the volume flow in the sampler itself and has to be installed onto the sampler sampling probe as transfer standard With a new round filter paper inserted positions of floaters are compared by switching the blower on With deviations of the set point originally calibrated on the flow meter of the sampler checking of tightness should be performed There are specified flow meters with calibrated glass tubes available at Digitel calibration unit 4 6 4 Visual inspection of homogeneous deposit Upon removing dusty filter papers or during weighing filters have to be subject to visual inspection for homogeneous deposits Drop like spots in the filter centre as a rule indicate inoperable probe heating or and a defective air inlet muffle sealing ring Bright spots on the filter paper rim are attributable to defective sealing of the flowing chamber upper part with the filter holder upper surface service works are definitely required 4 6 5 Acoustic inspection of blower The applied blower has the average MTBF average time between failures of 36 000 hours It is maintenance free However for instruments under operation for longer than two years an occasional acoustic inspection of the blower by an open room blower is recommended to prevent a possible blower blocking Special attention has to be paid to excessive unusual noises generated by the blower scrubbing screeching Operation and Progra
82. mming 9 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 5 Operation and Programming 5 1 Operation modes HVS can be operated in two operation modes Autonomous operation The integrated microprocessor control performs fully automated sampling based on the status times set Logging is performed on the printer on the PC USB drive or on the RS232C interface Remote operation The HVS control is performed via the RS232C or Ethernet interface Logging is optionally performed on the printer or similarly on the RS232C interface or on the integrated USB drive In this operation mode time control is carried out by the host computer The programmed status times are not considered in the HVS 5 2 Filter Preparation Reliable and reproducible measurement results can only be achieved by using filters that are carefully conditioned before and after sampling Filters are pre weighed and provided with a date In order to enable a checking during the operation by which a correct assignment of filters is possible the filters are inserted into the filter holder marked according to respective dates The spring collar is removed from the filter holder using pliers while a Teflon ring is laid on a clean surface by using forceps New filters are removed from the filter magazine by using forceps a
83. mperature module must be installed off no pressure and temperature measurement Attention the ambient temperature is estimated temperature at flowmeter 3K the pressure is calculated average of pressure in measurement sstem before and after sampling This is why the info fields are then shown yellow Correction Factor air inlet Shall the operation correction factor related to the air inlet conditions be transmitted for the pre set flow on After the Work period elapsing the correction factor related to conditions on the air inlet for the pre set flow or for total volumes is logged printer interface USB drive off No operation correction factor logging Operation Volume m Shall the value of operation volume be logged on After the Work period elapsing operation volume is logged printer interface USB drive off No operation volume logging Average value ambient pressure temperature Shall the average value of ambient pressure temperature be logged on After the Work period elapsing the mean value of ambient pressure temperature is logged printer interface USB drive off No value of ambient pressure temperature logging 7 2 2 2 3 3 Cartridge Changer In the following table the options for the cartridge changer are explained in more detail The cartridge changer is an option and not included in standard instruments Cartridge Changer
84. n flowmeter in build flowmeter in build Station flowmeter in build flowmeter cal Station flowmeter cal Station Ref Ref Cal p T T p p T T p Q Q QCal Ref flow on calibrated flowmeter under actual conditions so that reaching the operation volume flow of 500 l min at the inlet under station conditions Pcal flowmeter actual air pressure in the calibrated flowmeter during calibration is the same pressure at the separator Tcal flowmeter actual air temperature in the calibrated flowmeter during calibration is the same temperature at the separator From the equation 3 and the equation 8 follows the flow to be set on calibrated flowmeter under actual conditions thus reaching the operation volume flow of 500 l min at the inlet under station conditions 9 ref flowmeter cal flowmeter in build Station flowmeter in build ref flowmeter cal flowmeter in build Station flowmeter in build Station Station Ref Ref Cal Scale p p p T T T T p T p Q Q QScale cal Ref flow to be set on calibrated flowmeter so that reaching the operation volume flow of 500 l min at the inlet under station conditions 6 4 3 Error estimates A frequent question emerges how errors in temperature or pressure measurements or deviation from assumption applied to
85. n be taken out of the sampling probe when cleaning of the sampling probe is required To avoid surface icing of the baffler at low temperatures the sampling head can be heated thereby the high volume sampler Digitel DHA 80 should be equipped with an option Special heating The PM10 air inlet tube fulfils the conditions of equivalence of the EN directive 12341 Figure 4 DPM10 30 00 8 1 Separation performance DPM 10 30 xx Figure 5 DPM10 30 00 impaction performance Impaction of DPM 10 30 00 at 15 C 1013 hPa 4 00 6 00 8 00 10 00 12 00 14 00 16 00 18 00 10 15 20 25 30 35 40 45 50 55 60 Flow rate m3 h d50 m Sampling probe PM10 and PM2 5 37 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com DPM 2 5 30 xx Figure 6 DPM2 5 30 00 impaction performance 8 2 Operation maintenance To avoid the release effects of separated rough particles the baffler of the impactor plate has to be permanently covered with a thin grease layer It has to be renewed periodically The cleaning period depends on the proportion of rough dust in the ambient air sampled It is recommended to clean the impactor plate every 14 sampling days when the average total dust contents TSP at the installation site is approx 70 to 80 g m With a lower TSP the c
86. nd laid into the filter holder Then the Teflon ring should be laid again using forceps on the ring and the spring collar is set using pliers Now the filter holder is ready for transport to the sampler During the filter transport no impurities should get onto the filter therefore refer to standard EN 12341 The deposited filter is removed from the filter holder using forceps and inserted into a simply folded parchment envelope Warning Possible labelling of a filter holder is only permitted on its front using a marker Any inscription on the filter holder on the upper or bottom sides as well as sticking labels on the filter holder entire surface might cause problems with filter exchange and is prohibited Please mind that no sealing ring on the filter holder and in the flowing chamber gets in touch with inscriptions The solvents applied in various markers or pens destroy the applied sealing rings Moreover paint residuals may result in bonding the sealing rings figure 2 filter preparation 5 3 Setting of operation status 5 3 1 Start operation or restart sampling instrument Main switch in the position On To perform setting of required status times Work Pause To perform settings of required general operation parameters filter change at overloading stop time at power breakdown logging of status and failure indication messages logging mode Setting pressure and temperature compensation selection o
87. ndicates a requirement to insert a filter holder with a new filter into the filter holder magazine Further on the calibrated flow meter has to be set fitting should be preferably carried out between the air inlet on DHA 80 and inlet Check if the filter holder is in the flowing position The empty calibration filter resting in the filter magazine will be exchanged automatically Now when applicable you can remove a changed filter holder from the filter collection tray and re insert it in the filter magazine after calibration and continue the sampling program Primarily select tne manufacturer of the reference measuring tube TECFLUID 420 600 l min TECFLUID 100 1000 l min TECFLUID 150 1500 l min other flow meter flow meter from other manufacturer KDE MOBREY 100 1000 l min If a KDE MOBREY reference tube is connected the position of the calibration point has to be indicated Please indicate the position of the calibration point on the calibrated flow meter The measuring tube has been furnished with a scale division in mm from 0 to 270 units Subsequently you select the manufacturer of the internal measuring tube TECFLUID 420 600 l min TECFLUID 100 1000 l min TECFLUID 150 1500 l min other flow meter flow meter from other manufacturer KDE MOBREY 100 1000 l min After the selection of the measuring tubes the display will show you an overview of the entered flow meters Please enter
88. next digits figures will follow station number ASCII AREG a blank a two digit channel number ASCII a blank a one 3 digit program register code ASCII The string is closed by a final character ETX The answer of the HVS has following format the first character is always a start character STX After that the next digits figures are as follows station number ASCII AREG a blank a digit status ASCII a blank a one 3 digit program register code ASCII length is not defined The string is closed by a final character ETX Up to three figures could follow The HVS sends a CR and LF ATTENTION Station number for HVS 4 Channel number for HVS K0 Request STX 4 A R E G K 0 PRC PRC ETX Respond STX 4 A R E G 0 PRC PRC Data ETX CR LF Respond data format actual blower load 000 100 till 3 digits act Temp avg Temp in measurement system 25 3 till 5 digits C act pressure avg pressure in measurement system 1006 till 4 digits mbar Elapsed collecttime for the actual filter Elapsed collecttime for the last completed filter 12317 17 till 8 digits minutes cM cs cA 00001 034 till 9 digits VM Vs VA 12067 345 till 9 digits m Description of Program Register Code PRC Description 0 Actual blower load1 1 Actual temperature conditions in measurement system1 2 Actual pressure conditions in measurement system1 3 Elapsed collecttime of the actual filter1
89. of control commands Control command Designation hvs rmton Remote control on this command is valid only if remote control is off Hvs rmtoff Remote control off this command is valid only if remote control is on hvs status Status inquiry status response is permanently transmitted independently of whether remote control is on or off hvs f Filter changing in progress this command is valid only if remote control is on hvs work Changer in the Work operation status this command is valid only if remote control is on hvs wait Changer in the Wait operation status this command is valid only if remote control is on hvs pause Changer in the Pause operation status this command is valid only if remote control is on hvs einst Output current settings of the instrument 10 2 2 Interface format Format 1 startbit 8 databits 1 stopbit no parity Baud rate 2 400 Handshake RTS CTS 10 2 3 Control commands description Remote control The first character of the control command is always a start character The following command has to end up with a control character CR and LF Carriage return and Line feed Response of HVS always starts with a start character followed by a response and final CR LF When HVS receives an unknown command it responds with HVS NACK The control characters can be written as capital or small letters Host start character control character 1 control cha
90. of the filter storage room is set The climatisation holds the temperatur under this value C logging on The temperature of the filter storage room is logged in a separate file The output interval also defines the averaging time of the logged temperature off No logging of temperature of the filter storage room Interval release The output interval defines the time between the outputs of filter storage room temperatures The temperature is averaged over this time Enter in minutes Additional protocol on minimal maximal and mean values of the filter storage room temperature are given out The averaging is made between the filter changes This data is logged in a file off no logging of filter storage temperature Special settings In this submenu specific data for temperatur control can be entered This menu is protected by a PIN code as the settings must not be changed by the user 7 2 2 2 3 5 Wind Sensor In the following table the options for the wind sensor are explained in more detail The wind sensor is an option and not integrated in standard instruments Menu item Designation WXT510 data on A WXT510 wind sensor is plugged at the wind port Additional to the wind data humidity rain and temperature are measured and logged off No WXT510 sensor is plugged The wind measurement is done by print Wind 03 Wind measurement Shall wind data measurement be performed on The wind da
91. olume on the air inlet ts sampling time or T T p p c m ref m ref A A A p T cA correction factor for operation flow rate at the air inlet Programming 21 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 7 Programming The programming will be carried out via the touchscreen on the front panel The device will carry out a self test as soon as it is connected to the mains As a confirmation that the self test is done successfully the basic indication home display will appear If this does not happen please inform the Digitel service engineer 7 1 Home display The screen is divided in multiple panels All the functions of the device can be programmed or current settings can be recalled via the operation panels At all selection and parameter panels you will find help texts in the corresponding sub menus These help texts will be displayed as soon as you touch the information icon graphical symbol Example help text 7 1 1 Operation panel status display Here you can view the current program status In the program status WORK and PAUSE you will find the adjusted and the already expired status times additionally displayed By touching the operation panel you will get immediately to the program status menu There you
92. on of those menus and their submenus 7 2 2 3 1 USB drive Filter data status messages and wind data are stored in the internal flash module of the control Filter data status messages or failure messages are stored in the logfile The wind data in the wind file With the plugged in USB drive the recorded data are stored simultaneously on the internal memory as well as on the the USB drive That is the reason why the USB drive can be removed any time Attention please consider the mode removal USB See 13 2 Removal USB drive After the removal of the USB drive the control only stores the data records on the internal memory By plugging in the USB drive anew the user is asked if all the recorded data should be stored on the USB drive since this one has been unplugged 7 2 2 3 1 1 USB drive info The size of the memory is displayed in MB The saved files are listed below showing their sizes Log file filter data status records Climate control file temperature of filter storage and clima status Wind file wind data 7 2 2 3 1 2 Disconnect USB drive When this menu is chosen a message appears USB drive can now be disconnected This is used to plug out the drive savely 7 2 2 3 1 3 Start Firmware Update When this button is used the firmware update menu is started This menu only appears if the file DI_IMAGE BIN new firmware is on the USB drive To avoid unintended over writing of firmware the option has to be confirm
93. on the chosen protocol there are presettings for Baud rate DIGITEL Protocol 2400 Baud AK Protocol 9600 Baud Bayern Hessen Protocol 1200 Baud Bayern Hessen Protocol B 2400 Baud Programming 34 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Baud rate can be set manually for DIGITEL protocols This rate only is valid for this protocol and will be set back at the next change of protocol Valid settings 1200 2400 4800 9600 19200 38400 57600 115200 Remote control If you operate the instrument using an external controller and you lose connection to this controller you have to communicate with the HVS controller that has to be re switched into the autonomous operation status For that there is an applicable menu point which is only visible if the remote control is activated If Remote Off is chosen the control changes to autonomous mode 7 2 2 3 4 Thermo printer Thermo Printer Shall there be a protocol on the thermo printer on there is a protocol off there is no protocol Short protocol Shall the protocol be in a short form on short form off normal protocol Only failure Shall only failure reports be logged on Only failure reports are printed overload changer jammed last filter program start program stop off all status and fail
94. one by print Wind 03 Stop time at turbine off Shall the sampling time be stopped when the blower is turned off on Work time only counts when the blower is turned on by the wind control off work time counts independently from wind control Die Workzeit wird Output interval Here the wind data logging interval in minutes can be entered to which wind Programming 30 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com measurement mode is related The logged wind data will be averaged over the dermined time When wind control is turned on more settings are available Menu item Designation Speed threshold Here the limited wind speed in m s can be entered to which wind controlled operating mode is related The sampler will run if the wind speed exceed the threshold and wind direction is in the defined operating direction half of operating angle Operating angle Here is defined how the operating angle is related to the wind direction If the average value of the measured wind direction value lies within the range of the angle that is covered by the preferential wind direction half of the operation angle the blower will be activated Operating direction Here is defined which wind direction is the preferential one Mind that the wind direction is
95. play is not reset Fr 05 09 03 11 08 23 Blower off Depending upon the program setting various additional information concerning inserted filters will be displayed such as Collecttime min 1012 46 Blower on off 1 paM mbar 929 TaM C 20 0 cM 1 053 cs 15 1013 0 949 cA 17 996 0 972 VM m 539 268 Vs 15 1013 m 492 990 VA 17 996 m 497 842 bei 512 l min Fr 05 09 03 11 08 28 Filter change Now the blower is switched on again and if the programming allows so the message Blower on is displayed after several seconds the switch on point is slightly delayed The newly exchanged filter is flown as long as the working period set for the filter originally processed is achieved Fr 05 09 03 11 08 42 Blower on If in case of overloading the inserted filter is the last one the control switches the blower off or logs in case of overloading and waits until the working period elapses After the working period elapsed the control will switch into the pause status The switching of the status and the program ending are displayed The program stays in this status until being restarted Sa 06 09 03 11 04 28 Pause End of program If overloading occurs also with a newly inserted filter the control will try three times to switch the blower off and on If the overloading is not removed this way a filter changing is newly carried out inclusive all logs as described above The failure in
96. pling inlet tube from the roof bushing earthing terminal in order to lead away possible atmospheric discharges If not discharges can occur via a wind mast as well as lightning hit into the container power supply overhead lines For protection there should be considered a lightning arrester or a protective shielding according to DIN VDE 0100 section 18 or part 443 Before assembly or disassembly of the instrument s components the instrument should be permanently isolated from the power supply Prevent penetration of liquids into the instrument Please observe keeping the prescribed power supply voltage value Observe correct fusing 10 A of the power supply Before switching the instrument on make sure all connectors are plugged in a correct manner Except for interventions explicitly provided in the manual never try to repair the instrument on your own Otherwise you are exposed to get into contact with parts under the mains voltage All repairs may only be carried out by expert staff Only genuine Digitel inlets are allowed to be connected to the connector for inlet heating Upon applying unauthorised inlets burns may occur upon touching an inlet due to its overheating Replacement of defective fuses in the instrument can be carried out only by trained experts Only fuse types authorised by Digitel are allowed to be applied information directly from Digitel or call a competent local branch office The instrument should be iso
97. pply failure After a power breakdown the start and the end of the power supply is displayed as follows Power cut from Fr 05 09 03 10 56 23 until Fr 05 09 03 11 02 45 If invalid characters special characters occur in the date or in the time or the date resp the time indicates an invalid value it suggests that the back up battery is empty By a power supply breakdown the clock module cannot preserve its data In this case the back up battery should be recharged switch HVS on for several hours or check the battery and the controller for damages After the display of the time of breakdown the actual status of control will be displayed working pause Fr 05 09 03 11 02 47 Work 6 2 2 Overloading without Filter Changing If a blower overload status is detected the blower is automatically switched off and the overload message is displayed Fr 05 09 03 11 04 12 Overload If the program setting also allows an indication of blower load switching off the blower is also shown on the display Fr 05 09 03 11 04 15 Blower off Function Description 12 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com In this status upon the first occurrence of overloading the control remains for several seconds Upon next occurrence of the same filter overloading the status Blower off rem
98. r max 130 mbar Automatic filter exchange Changer failure Identification Manual filter exchange Empty magazine identification Overloading switch off Operation hour counter Motor load indication Multi language logging internal data memory Battery backed clock module 4 seconds daily 4 seconds daily 4 seconds daily 4 seconds daily USB interface Ethernet interface RS232 interface Interface protocols DIGITEL Bayern Hessen protocol customer specific DIGITEL Bayern Hessen protocol customer specific DIGITEL Bayern Hessen protocol customer specific DIGITEL Bayern Hessen protocol customer specific Inlet heating 30 V 50 Hz 60 VA max 30 V 50 Hz 60 VA max 30 V 50 Hz 60 VA max 30 V 50 Hz 60 VA max Filter storage room climatisation Technical data 48 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Options Type field housing air floated field housing box housing 19 housing Inlet TSP PM10 PM2 5 PM1 optionally with integrated h
99. r total suspended particulates TSP sampling there are two differently designed sampling probes available a cylinder probe EMPA UBA probe and a probe of open ring slot according to VDI as described in GMBI 1983 regarding non fractionated dust sampling Sampling probes PM10 PM2 5 are designed as single stage impactors They are intended for operational volume flow of 30 m resp 500 l per hour Sampling probes PM1 are designed as double stage impactors They are designed for operational volume flow of 30 m resp 500 l per hour Various remote control interfaces are built in for operation in automated measurement networks The high volume samplers Digitel DHA 80 are described in the VDI directive No VDI 2463 sheet 11 4 2 Connections The standard execution of DHA 80 has an option for a serial interface RS 232C next to the power supply connector 3 pole instrument plug according to IEC 320 A connection to a PC can be made via a commercially available zero mode cable crossed cable For cable lengths and installation requirements please adhere to the general specifications RS 232C Description of the connectors see chapter 15 4 3 Operating mode The below stated figure no 1 illustrates the mode of operation Figure 1 DHA 80 block diagram 1 Inlet 2 Separator chamber 3 Current filter 3a Filter stock 3b used filter 3c Exchange electronics 4 Microprocessor control 5 Flow meter 5a Flow sensor
100. racter 2 control character N 1 control character N CR LF Response by HVS Response character 1 Response character 2 Response character N 1 Response character N CR LF HVS RMTON Host HVS RMTON The command switches the HVS into remote control mode In this mode the control status of the HVS can be controlled by the host Response from HVS EXTERN HVS RMTOFF Host HVS RMTOFF The command switches the HVS to the normal operation mode Response from HVS INTERN HVS STATUS Host HVS STATUS The command causes the HVS a transmission of a status message Response from HVS depending on operation status Status Th 14 05 09 14 23 54 Work Blower on Motor load 67 Collecttime min 126 43 Blower on off 1 paM mbar 929 TaM C 20 0 cM 1 053 cs 15 1013 0 949 cA 17 996 0 972 VM m 539 268 Vs 15 1013 m 492 990 VA 17 996 m 497 842 at 512 l min Moreover failure messages are additionally transmitted if so The range of the transmitted status information corresponds to the one specified on the printer for output It should be noted that each line has to end up with CR LF The length of the response string is not defined HVS F Host HVS F The command switches the HVS into the pause status for 7 seconds After the time elapsing it is automatically switched to Work and the filter exchange is carried out The range of transmitted response corr
101. re Version Hxx 25 may also be calibrated to a different flow rate Ratio of flow values of two gases is indirectly proportional to ratio of square roots of their densities the flow meter principle 2 1 1 2 Q Q Q1 known flow value reference status Q2 searched flow value in operation status 1 known density reference status 2 density of measured gas in operation status Because p T the operation volume flow gives Qloc at the place of installed flow meter from the volume flow value Qscale read from the glass scale as p T T p Q Q loc ref loc ref Scale loc QScale volume flow read on scale pref 1 013 mbar pressure at which the scale was calibrated Tref 15 C or 288 K temperature at which the scale was calibrated ploc operation pressure on the flow meter Tloc temperature on the flow meter or T p p T Q Q loc ref loc ref loc Scale For operation volume flow of 500 l min under station conditions the following conditions will be on the integrated flowmeter TStation flowmeter TStation 3K approximate value pStation flowmeter pStation pfall at filter will be meassured automatically during calibration pStation integrated flowmeter average air pressure at the installation site minus pressure fall at filter at volume flow of 500 l min Which means the air pressure of me
102. rs Tel 43 5552 67850 www digitel ag com info digitel ag com 14 3 DHA 80 in 19 housing Figure 9 Dimension drawing DHA 80 mounting rack 19 connections 52 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 15 connections Figure 10 connections DHA 80 REMOTE RS485 Connector for external sensor e g Wind sensor humidity sensor PC RS232 Interface to connect sampler with PC 24VAC 2A reserve for additional heating GROUNDING for external devices sensors USB Reserve Reserve for future purpose ETHERNET network interface 230V 50 60Hz electric supply fuse 10A Appendix 53 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 16 Appendix 16 1 1 Pressure temperature correction table Pressure correction for gases at turbulent operation Calculation of correction factor for measurement instrument applying pressure differing from an original one c Pe Ps 013 1 013 1 c correction factor to be multiplied with the reading of the flow meter at calibration pressure Pe and operation pressure Ps Ps operation pressure in hPa Pe calibration pressure in hPa indicated on t
103. s provided with two handles sunk on each side of the case and two rollers The instrument can be slipped or pulled by tilting it slightly backwards on a smooth compacted ground e g asphalt concrete on the rollers using the grips Unless rolling is possible using the integrated rollers the instrument can be lifted and carried using both the handles The instrument must not be lifted by using the open instrument door as a handle 4 4 2 Field installation Digitel DHA 80 is equipped with a protection class IP54 field case For this reason it is immediately suitable for direct open air installation under European standard weather conditions To avoid collection of rainwater or ice on the instrument front door upper edge a rain drip rail optional should be installed In the field the instrument should be placed in such a way that penetration of surface water in case of heavy rain or snow melting into the instrument from the ground upwards is prevented The sampler has to be secured against tilting In mobile applications an extension of sufficient stiffness of one metre long instrument feet is advisable For this purpose e g two rectangular tubes can be screwed on the short feet of the instrument If stationary operation is planned the sampler should be installed higher on a concry base e g width 600 mm x depth 300 mm The door opening should not face the weather side and the sampler feet should be screwed using two angle
104. solation 4 5 Consumables 4 5 1 Filter paper Round filter of 150 mm diameter Selection of filter material and filter structure deep filters porous filters glass fibres quartz fibres pulp Teflon porosity depends on the aim of examination 4 5 2 Thermo printer paper Thermo rolls size 57 x 25 x 10 mm 4 5 3 Sealing rings Sealing rings with a special finish and various sizes are used for sealing at various places in the instrument If the instrument s tightness is not satisfactory any more or the surface of sealing rings shows small cracks or other damages they should be replaced Sealing ring sets can be ordered from Digitel 4 5 4 Fuses WARNING Fuse replacement can only be performed by an authorised specialist Before opening the instrument it should be off power Further it is necessary to assure that only the fuse types authorised by Digitel are used In case of necessity please contact Digitel or a responsible local representation branch office directly In the supply unit two fuses can be replaced Main heating Schurter type FSD 5 x 20 1 2 AT rated voltage 250 V Controller supply unit Schurter type FSD 5 x 20 100 mAT rated voltage 250 V 4 5 5 Mains cable WARNING Only use mains cable supplied by our company or an equivalent mains or extension cable complying with applicable standards When using the rolled extension cable make sure that the cable is completely unwound from the cable reel M
105. t floater position in the integrated flow meter Function Description 19 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com After entering this value serving for checking only all entered and internally calculated values are logged printer USB drive RS232 This protocol also transmits the propotional variation of the set flow The display indicates either passed calibration confirmation calibration successfully carried out or the failure indication message calibration not possible The failure indication message is transmitted if the entered floater position of the integrated flowmeter deviates too much from the calculated set point This happens when leakage occurred in the instrument If so please contact the Digitel company or its local representation office urgently Now insert the filter holders for the next sampling program in the filter magazine as the first filter holder e g such filter holder that flown just before calibration then in sequence filter holders in designated sequence By entering key 0 you will leave the calibration menu and the inserted calibration filter is exchanged Enter the start time for the next filter that is not fully deposited yet Start the program for the filter that is already half deposited previously having been automatically
106. ta measurement is activated Warning This function can only be set if a corresponding measurement module is installed off No wind data measurement Wind controlled Shall sampling period be wind controlled on The sampler operation will be controlled by wind measurement The sampler will run if the wind speed exceeds the limit values and wind direction is in the defined operating direction half of operating angle provided that the sampler is in WORK status If one of the conditions is not fulfilled resp the work period is elapsed the blower will be switched off again To prevent a frequent on and off switching the blower will be switched on for about 2 minutes after switching on independent of the informations resulting from the measurements of the wind data An exeption of this 2 minutes interval forms the achievement of the end of the work period In this case the blower will be switched off immediately off No wind controlled operation of the sampler Wind data Shall measured wind data be logged on Measured and averaged wind data will be stored after a 5 sec interval Logging interval is independent of operating state off No wind datal logging Gill Sensor Is a Gill wind sensor plugged on A Gill wind sensor is plugged on serial port RS232 The serial port is used and cannot be used for control and data logging off No Gill wind sensor is plugged The wind measurement is d
107. tarting time it can be selected whether a starting time is to be determined or the program starting is to proceed immediately If the control was previously in the working status and the blower was switched on the automatic switching off of the blower and the determined values are logged only if the programming enables so too Fr 05 09 03 11 04 15 Blower off Collecttime min 1012 46 Blower on off 1 paM mbar 929 TaM C 20 0 cM 1 053 cs 15 1013 0 949 cA 17 996 0 972 VM m 539 268 Vs 15 1013 m 492 990 VA 17 996 m 497 842 at 512 l min After reaching the starting time the program is started up automatically No filter exchange is carried out The program starts the sampling period using the just inserted filter Waiting for starting time Work When the pre set starting point is achieved the HVS control switches the program status to work switching the blower on Fr 05 09 03 12 00 03 Work When the programming allows to display the blower status message the following is displayed within several seconds after the blower running up Fr 05 09 03 12 00 10 Blower on After approx 1 minute the current blower load is displayed if the program allows it as well Fr 05 09 03 12 01 23 Motor load 65 If the blower load during operation is changed by an adjustable value in percentage the current blower load is displayed again Fr 05 09 03 18 04 43 Motor load
108. tatus resp error notification messages 22 7 1 8 Operation Panel Date Time 22 7 1 9 Operation Panel Menu 22 7 2 Main Menu 23 7 2 1 Change Program Status 23 7 2 2 Change Configuration 25 7 2 3 Read out internal memory 34 7 2 4 Show software version 35 7 2 5 Show working hours 35 8 Sampling probe PM10 and PM2 5 36 8 1 Separation performance 36 8 2 Operation maintenance 37 9 Application examples 38 9 1 Wind controlled sampling 38 10 Communication 39 10 1 D Sub 9 Pin allocation terminal interface 39 10 2 Digitel protocol 39 10 2 1 List of control commands 39 10 2 2 Interface format 39 10 2 3 Control commands description 39 10 3 Bayern Hessen protocol
109. termined over a year do not correspond to required operation volumes of 500 litres min if the average yearly pressure and temperature values do not correspond to the entered station conditions Example PStation average air pressure at the installation site TStation average temperature at the installation site QStation average operation volume flow at the installation site 500 l min PStation 990 mbar Tstation 282 K when calibration was performed under these station conditions and the average temperature over a year is deviated by 1 K upwards general gas equation 2 2 2 1 1 1 T p Q T p Q yields Station new Station Station new Station T T Q Q 501 77 l min It was transported approx 0 35 more in yearly average This deviation of the required flow however impairs the inlet separation degree only to a small extent 6 4 4 Performing calibration 6 4 4 1 Preliminary notes Semi automatic flow calibration only is possible using one of calibrated Digitel flowmeters designed for this purpose If you wish to relate calibration to an other transfer standard please contact Digitel directly or a local branch office in order to get suitable calibration instructions The same applies to a calibration for an operation volume flow different from 500 l min Calibration for the operation volume flow of 500 l min at station conditions estimated average air pressur
110. the determination of the operation volume affect the calculated standard resp operation volumes The order of magnitude of these errors is illustrated below using several examples Further there are also stated affects of deviations of actual station conditions during the sampling period how the entered station conditions affect upon calibration of the instrument Accuracy of internal sensors The pressure measurement in an integrated flowmeter is performed with an accuracy of 2 from an indicated value within the entire temperature range of application The temperature measurement in the integrated flowmeter is performed with an accuracy of 0 75 from the indicated value in K within the entire temperature range of application Flow settings accuracy on calibrated flowmeter According to the UMEG test report examination in which also the accuracy of the flowmeter flow settings are examined test of Digitel High Volume Sampler DHA 80 with a PM10 inlet according to EN 12341 the UMEG report No 6 08 00 the reproducible setting accuracy represents 0 45 Flow calculation error due to the sensor error The following example clarifies the effect of an internal sensor error T T p p p T Q Q m ref m ref N N Scale N QN average flow on standard conditions Qscale the flow set on the flowmeter pN standard pressure 1 013 mbar TN standard temperature 288 K pref 1 013
111. the identification number of the device Touching the panel won t show you anything In case of error the operation panel turns into red and the error message will be displayed If more than one status message will be displayed these are shown at two second intervals One after another By touching the red operation panel a second menu will startand show you all current errors and status messages Example 7 1 8 Operation Panel Date Time Here the date and time of the instrument is shown When touching the panel in this mode the date and time values can be entered 7 1 9 Operation Panel Menu If this panel is chosen the main menu is started The settings can be changed and internal memory can be read out Programming 23 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 7 2 Main Menu To get into programming mode the field Menu has to be chosen when on home display Then the Main Menu is displayed The submenus can be started here The Main Menu can be reached chosing Home or back 7 2 1 Change Program Status Depending on the program status on the first line of this menu the options Start Program or End Program appear The second and third lines Change Status Times and Start Calibration always appear 7 2 1 1 Stop Program In this menu the ac
112. times for the cartridge changer can be entered independently from filter changing times and WORK and WAIT status As there are many possible combinations control can only check the feasibility of the times entered in a few cases Filter and cartridge are arranged in a line in the air flow channel so the sampling on cartridge only is possible in WORK state For this reason the cartridge chaning cycle should correspond to the filter changing cycle WORK WAIT or be a multiple of it Please note for program start and program end Starting and ending of the program are determined either by the starting cartridge or the entered starting time The program ends either when the last filter or the last cartridge has been in service Important before starting the program WORK and WAIT times have to be entered The menu for cartridge changing programming can be started as following First the starting time of the whole routine has to be entered then the sampling times for each cartridge follow The software automatically suggests the end time of the previous cartridge as starting time for the next one If all the starting times correspond to end times of the previous cartridges one cartridge after another is changed into the air flow The program ends when the end time of the last cartridge is reached The sampling time of three cartriges can also be programmed independently then the forth cartridge is changed in in the empty times Anzeige Kartus
113. tual program can be stopped at any time All filter and cartridge data is saved given out 7 2 1 2 Start Program Here the starting time is entered The program can be started immediately or at a certain point in time The following menu is shown to enter the starting time Now the designated date and time for program start can be entered After chosing Enter the start time is transferred and main menu appears Protocol Mo 04 05 09 10 30 00 Wait for start time An additional menu item appears if programming mode is chosen after the program start prestart filter If this is activated the blower turns on and the inserted filter stays in the air flow until the starting time is reached Then filter data is given out and the filter is changed 7 2 1 3 Start Program with cartridge changer Only available with option cartridge changer In this menu the mode of cartridge change can be chosen Programming 24 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 7 2 1 3 1 Cartridge change simultaneous with filter change If the cartridge change is chosen to be simultaneous with the filter change the program can either start immediately or the time for program start can be entered see 7 2 1 2 Start Program 7 2 1 3 2 Programming of cartridge changing times Attention Changing
114. uments 01 4 6 9 nnn lt gt Measurement Communication 42 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Field No Start position End position Content Description instrument ID 5 10 18 nnnn e e lt gt Measurement value blower load 6 19 21 hh lt gt Operation status 7 22 24 hh lt gt Failure indication status 8 25 35 hhh lt gt hh hhhh lt gt Serial No of measurement instrument 000 000000 9 36 36 lt ETX gt End of Text 10 37 37 lt BCC1 gt High Nibble BCC 11 38 38 lt BCC2 gt Low Nibble BCC Operation status in Bayern Hessen protocol 1 200 Baud Bit 0 Remote control on Bit 1 Maintenance Bit 2 End of program Bit 3 Bit 4 Blower off Bit 5 Work Bit 6 Pause Bit 7 Filter exchange Failure indication status Bit 0 Changer jammed Bit 1 Overload Bit 2 Magazine empty If more than one measurement value is transmitted the fields 4 to 8 are repeated as frequently as the number of measurement values is defined Warning The first three characters of the instrument ID are transmitted in the Bayern Hessen protocol in the block Seriennummer serial No If the Bayern Hessen protocol is applied the first three characters have to be either numerical resp blan
115. ure reports are printed Number of printed status reports depends on other settings 7 2 2 4 Print settings Current program settings are printed to plugged activated ports 7 2 2 5 Change languague All available languagues are shown in English independently of the chosen languague After a languague has been chosen all displays and prints are in this languague 7 2 3 Read out internal memory Filter data status reports and data from optional instruments are logged in the internal flash memory Filter data status and failure reports are saved in logfiles data from options is saved in separate data files Up to 10000 entries can be made per file Those entries can be shown on the display printed on the thermo printer or on the USB drive First the following menu appears Here the file to be displayed can be chosen After having chosen a protocol the following actions can be taken 7 2 3 1 Show protocol In this menu the last status reports are shown in chronological order on the display Using previous and next buttons previous and next entries are shown In the first line of every entry the number can be seen If on the first entry previous is chosen the last entry appears if on the last entry next is chosen the first entry appears For longer entries the scrolling button can be used to see all the information Programming 35 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30
116. us time Wait Work or Pause In this way the set cycle of filter exchange e g filter changes always at midnight is kept in any case However in case of power breakdown the inserted filter is not deposited with full Work time 4 day sequence Shall the program of four day samples be activated on The filter is deposited for 24 hours every 4th 8th 12th 16th 24th and 28th day of Programming 26 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com Menu item Designation a month The pre set status times are invalid in this setting off Program control is performed by pre set status times Output turbine capacity Shall the blower load be logged on printer interface USB drive on In addition to status messages Blower on and Blower off the current blower load is logged See lines 5 and 6 too off No blower load is logged Turbine capacitya from90 Shall log the blower load be logged at values gt 90 only on Logging of blower load is only performed at the values gt 90 hereby the line 4 should be set on off Logging of blower load is performed independent of its value hereby the line 4 should be set on Turbine output threshold How frequently shall the blower load be transmitted Here the perc
117. w data is attached to the existing file 11 2 Removal of USB drive The USB drive can be removed any time by compliance with following instructions To get into the program Mode removal USB on the display the basic menu has to be visual If the USB Logo is chosen the display changes to USB dialogue Now the USB drive can be removed without data loss After the removal of the USB drive for a few seconds the message USB drive removed appears 11 3 Structure of the data files on the USB drive 11 3 1 File name The storage of the recorded data will be affected in following files HVSDAT DAT Digitel Log file Filter data cartridge data and status messages WIND DAT Digitel wind file Wind data HVSKLIMA DAT Digitel filter storage temperature file Filter storage temperature 11 3 1 1 Log file HVSDAT DAT The data in the file HVSDAT DAT are saved in a table As separators between the columns the Tab character HT 09H is applied The line break is activated using CR LF For example after formatting on the HVS the file looks as follows Event Date time Sampling time min paM mbar TaM C pA mbar TA estimated C cM cs 15 C 1013 mbar cA VM 512 l min m Vs 15 C 1013 mbar 512 l min m VA 512 l min m Column Description Event status information Blower on Work etc Date time year month day hour minute second Collecttime inserted
118. xx1x Blower on x0xx No filter change x1xx Filter changed 0xxx Remote off 1xxx Remote on Failure indication status State Description xx0 Changer OK xx1 Changer jammed x0x No blower overload x1x Blower overload 0xx Filter magazine filled 1xx Filter magazine empty Values for PRC 20 till 26 40 till 43 are values for the last completed filter Data recording with USB drive 44 DIGITEL Elektronik AG Alte Gasse 18 CH 8604 Hegnau Tel 41 44 908 20 30 DIGITEL Elektronik GmbH Illstrasse 30 A 6706 B rs Tel 43 5552 67850 www digitel ag com info digitel ag com 11 Data recording with USB drive Filter data status messages and wind data are stored in the internal flash module of the control Filter data status messages or failure messages are stored in the log file The wind data in the wind file Up to 10 000 entries are recorded per file 11 1 Storing of data on the USB drive With the plugged in USB drive the recorded data are stored simultaneously on the internal memory as well as on the USB drive That is the reason why the USB drive can be removed any time Attention please consider the mode removal USB See 13 2 Removal USB drive After the removal of the USB drive the control only stores the data records on the internal memory If there is already a file with the same name a menu appears Overwrite data the new file is written over the old file Attach data the ne

DIGITEL Sequential High Volume Aerosol Sampler DHA

Contents

Download Pdf Manuals

Related Search

Related Contents