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USER MANUAL

Set baud rate

Selector

(1 of 7)

Short

Long

Settings menu (set baudrate)

Measurement window

Baudrate setting was updated

start setting = actual setting

Clear memory

Selector

(1 of 2

Short

Long

Settings menu (set clear memory)

Measurement window

start setting = actual setting

Clearing status window

YES (long key)

Summary of Contents for ALPHAGUARD D2000

Page 1: ...IN INSTRUMENTS COM USER MANUAL Document reference 20190603A AlphaGUARD is a registered trademark of Bertin Technologies 2019 Bertin Technologies All rights reserved ALPHAGUARD Types D50 D2000 DF2000 U...

Page 2: ...not limited to the use of this document Neither Bertin Technologies nor its employees can be held liable for any loss or expense arising from such use The information contained in this document is int...

Page 3: ...with user keys 14 Electrical Connection Block 16 Air inlet and outlet 20 7 AlphaGUARD menu 22 Acquisition 23 Function menu 28 8 Quality assurance system 47 SYSQAG hardware condition 48 DATAQA data qu...

Page 4: ...11 Particular information for use 72 12 Technical data 74 Basic functions AlphaGUARD D50 74 Basic functions AlphaGUARD D2000 75 Basic functions AlphaGUARD DF2000 77 Multiparameter Features AlphaGUARD...

Page 5: ...ARD uses the proven principle of the pulse ionization chamber alpha spectroscopy AlphaGUARD impresses by its high detection efficiency for radon fast response to concentration gradients as well as mai...

Page 6: ...for remote and stationary monitoring allows customized solutions for online alarm monitoring in remote areas and the realization of ruggedized monitoring stations 2 SAFETY INSTRUCTIONS AlphaGUARD comp...

Page 7: ...ollowing AlphaGUARD models are available Model Type General characteristics D50 Diffusion operation only Measuring range 50 kBq m 1 350 pCi l Possible connection of additional sensors Upgradable to D2...

Page 8: ...nation by dusty particles Alternatively to the above mentioned diffusion mode with the AlphaGUARD type DF2000 an active i e pump supported gas flushing of the ionization chamber can be enforced Here t...

Page 9: ...ode below in flow mode schematic Output signal of High voltage Fiberglass Active volume 0 56 liter Inlay stainless steel Isolator Is Cathode C Anode Diffusion Output signal of High voltage Air outlet...

Page 10: ...this pulse analysis is a three dimensional spectra Along the X axis there is a classification of the pulse depth e g of the adjacent alpha energy By the Y coordinate the number of pulses per unit of t...

Page 11: ...ncentrations Moreover it is a guarantee for a high fold back tightness of the measuring system On the basis of these three signal characteristics six different analyzing algorithms are processed Final...

Page 12: ...12 WWW BERTIN INSTRUMENTS COM USER MANUAL Figure 3 AlphaGUARD front side Figure 4 AlphaGUARD handle side...

Page 13: ...le may be rotated through 360 and in this way orientated in six independent positions Desk position Carrying position 1 Piling position Carrying position 2 Suitcase position Figure 5 Standard variatio...

Page 14: ...switching the display illumination on and off Menu button Enter leave the menu submenu Scroll up Scroll down Scrolling through the menu Scrolling through charts in scroll mode Adjusting parameters En...

Page 15: ...a ambient dose rate is shown on page 2 DF2000 Acquisition 3 5 Chart of two parameters The parameters can be freely chosen Acquisition 4 5 Mean value of the radon concentration and the gamma ambient do...

Page 16: ...visible The AlphaGUARD can be switched off by pushing the On Off switch for min 3 sec Flow charts showing the complete menu structures can be found in the appendix Electrical Connection Block AlphaGU...

Page 17: ...be used e g for special applications like read out via a connected modem Bluetooth The AlphaGUARD is equipped with a Bluetooth interface Interface for external sensors 1 For the connection of external...

Page 18: ...d with a resolution of 12 bit In the storage of the AlphaGUARD the mean value over 1 10 resp 60 minutes is filed Typical external additional sensors are besides the Differential Pressure Sensor DSP 50...

Page 19: ...alarm threshold an alarm output signal is given via the socket of the mains power supply With a small Alarm Outbreak Box optional accessory the two alarm signals can be extracted Alarm high signal sw...

Page 20: ...flow through adapter has to be mounted The flow through adapter consists of an aluminium screw cap equipped with a tube nozzle for quick coupling system diameter 2 7 mm which allows the connection of...

Page 21: ...nd as it has no sealing function To avoid contamination of the plain paper filter at the chamber entrance an external radon progeny filter accessory has to be connected to the tube in front of the air...

Page 22: ...Acquisition 3 5 Acquisition 2 5 Acquisition 1 5 Graph selection Scroll mode Set marker Set location ID Set operation Set pump flow Set interval mode Lock device Acoustic Configure Configure Settings...

Page 23: ...operating in Radon Thoron discrimination mode the thoron value appears on Acquisition 1 5 instead of the gamma ambient dose rate DF2000 The radon and the thoron values are followed by the appropriate...

Page 24: ...lly produced count rates e g TTL signals transmitted by the radon progeny monitor AlphaPM The count rate counts is displayed in the unit counts per minute cpm The maximal count rate of the counter mod...

Page 25: ...d with a measuring cycle of 60 min the last 6 days can be displayed Figure 12 Acquisition window 3 5 Whenever the data series exceeds the limit of 143 values which can be displayed in one window the s...

Page 26: ...rap selection 11 08 16 12 27 47 4min Channel 1 Rn Channel 2 TA Use to change and press key to accept Figure 14 Select parameters for the chart 7 1 1 Acquisition 4 5 This window displays the mean value...

Page 27: ...ation on the selected measurement mode and measurement cycle the index number of the current measurement series with quantity of measurement points its start and end time as well as information on the...

Page 28: ...ock device Acoustic monitoring Configure channel 1 Configure channel 2 Settings menu Set operation mode Set interval mode Set location ID Figure 17 Function menu 7 2 1 Set marker This function allows...

Page 29: ...1 08 16 12 27 47 4min 9 Enter a number indicating the measurement location Use to change and press key to accept Figure 19 Setting the location ID 7 2 3 Set operation mode This submenu allows the sele...

Page 30: ...ump is indicated by a pump symbol in the upper right corner Figure 21 Acquisition window with pump symbol 7 2 4 Set pump flow The integrated pump allows radon and thoron measurements in flow mode The...

Page 31: ...w value Use to change and press key to accept Figure 22 Setting the pump flow Flow rates of 0 05 0 45 min are realized by periodical pump operation the pump is switched on and off for particular perio...

Page 32: ...before sampling is started During the Pre Sample time no measurement is performed Sample time Activated pump and running measurement Time period The time period includes the complete time interval fro...

Page 33: ...the key code has to be entered by using the Scroll up or the Scroll down button The next digit can be selected by pushing the Enter button shortly and the selection has to be acknowledged by pushing t...

Page 34: ...ide display content the following screen is visible instead of the last displayed acquisition screen Figure 27 Locking screen with hide display content The AlphaGUARD can be unlocked by pushing any ke...

Page 35: ...sed It is required that the external sensor provides a linear output signal from 0 2 5 V The specifications of the analog external signals see 7 1 2 can be configured by this menu Following adjustment...

Page 36: ...accept Figure 31 Configure channel 1 or 2 enter value corresponding to 0 V 3 Enter the sensor s measurement value corresponding to 2 5 V Configure channel 1 11 08 16 12 27 47 4min 5 400 Enter the val...

Page 37: ...ons Clear memory Figure 34 Settings menu 2 pages 7 2 9 1 Set date time Date and time can be adjusted by this menu item The date has the format DD MM YYYY the time HH MM SS The entries can be changed b...

Page 38: ...e 36 Setting the time zone 7 2 9 3 Hide display content When this selection is activated ON the display content is hidden during lock device is activated see 7 2 6 Hide display content 11 08 16 12 27...

Page 39: ...he Enter button for 2 sec Set alarm level 11 08 16 12 27 47 4min 9999 Bq m Use to change and press key to accept Alarm enabled Figure 39 Setting the alarm threshold Whenever the radon measurement valu...

Page 40: ...he Scroll up or the Scroll down button The next field can be selected by pushing the Enter button shortly The selection has to be acknowledged by pushing the Enter button for 2 sec The following units...

Page 41: ...klight is switched on or off permanently With these backlight modes the backlight can be always switched on or off by briefly pushing the On Off Switch Set backlight 11 08 16 12 27 47 4min Backlight o...

Page 42: ...27 47 4min RS232 USB Use to change and press key to accept Bluetooth Figure 44 Selection window for the interface The current selection of the interface can be checked in the top left of the display B...

Page 43: ...or acknowledgement Set RS232baudrate 11 08 16 12 27 47 4min 1200 Bd 300 Bd 4800 Bd 115200 Bd 38400 Bd Use to change and press key to accept 9600 Bd 19200 Bd Figure 45 Selecting the baud rate for the R...

Page 44: ...ction has to be acknowledged by pushing the Enter button Clear memory 11 08 16 12 27 47 4min NO YES Are you sure you want to clear the memory and all its contents Use to change and press key to accept...

Page 45: ...ound correction This term for fine tuning can be determined by a measuring sequence in radon free atmosphere x T 0 Total offset This parameter is the sum of the automatically calculated background int...

Page 46: ...n on the background of the measurement chamber The self triggering update of the internally calculated correction term and thus also of the total sum which is considered for the automatic background c...

Page 47: ...ality assurance system is also handed over to the PC Via DataVIEW or DataEXPERT this protocol can be analyzed This enables the user to analyze the status of his AlphaGUARD during the last measuring cy...

Page 48: ...o be changed DETCO Total exposition of detector kBqh m reached a critical value e g Po 210 contamination cannot be compensated by the correction routines sufficiently Contact your local Bertin distrib...

Page 49: ...ump module outside of valid control range Check tubes connected to the AlphaGUARD ensure that there is no interruption of the flow e g by sharply bended tubes If the problem persists contact your loca...

Page 50: ...n of the present base line of the preamplifier offset has been effected typical for each hundredth measuring cycle if Rn concentration 100 10 000 Bq m temperature 10 30 C air humidity 80 rH and other...

Page 51: ...ow of the pump is changed DR himax Ambient dose rate outside upper measuring range Pump off Pump is manually switched off or disabled by DPS5000 pressure sensor x The appearance of quality statements...

Page 52: ...in the ambient air are applied fast design optimized passive diffusion Following preparatory configuration measures are necessary for measuring in diffusion mode x Check if the diffusion adapter is mo...

Page 53: ...reparatory measures of configuration are necessary x Check if flow through adapter is mounted If not unscrew the diffusion adapter by hand and screw the flow through adapter by using the hexagon key s...

Page 54: ...ions and has to be carefully hand tightened to avoid leakages The following pictures show the process of exchanging the adapters Operate the active adapter only with connecting in series the external...

Page 55: ...is indicated by a pump symbol in the upper right of the screen Following states are possible Flow mode activated pump flow within operational limits Flow mode activated flow of the pump disturbed e g...

Page 56: ...This is obtained by flushing the air into the chamber on the most direct way and by using the highest available pump rate 2 l min Following preparatory configuration measures are necessary x Check if...

Page 57: ...n modes diffusion or flow the correction of Po212 is lost For subsequent measurements this may lead to overestimating the radon concentration due to remaining Po212 activity in the chamber Hence after...

Page 58: ...nal battery unit can be connected to the mains power connector Please check with us for individual solutions and proposals Radon progeny front end AlphaPM The radon progeny measuring front end of the...

Page 59: ...or the mains charging unit The sampling time of the AlphaPM has to be set to cont_h for continuous recording of the radon progeny concentration Note The quantity counts on the AlphaGUARD s display sho...

Page 60: ...termine radon directly and radium indirectly in water samples In a closed gas cycle radon is expelled from the water sample by the internal pump of AlphaGUARD With the AlphaGUARD DF2000 whose ionizati...

Page 61: ...h the AlphaGUARD DF2000 The setup is equipped with an embedded pump for water sampling The portable suitcase includes all necessary accesories for a well suited set up for laboratory as well as field...

Page 62: ...sion of the analog signals of the sensors as well as their voltage supply by the battery of the AlphaGUARD The Multisensor Unit is also equipped with an electrical socket by which the Multisensor Unit...

Page 63: ...safe sampling The AlphaGUARD as measuring and recording device provides optimized features for soil gas measurement e g short recovery time typically 5 min even after measuring extremely high radon co...

Page 64: ...ile the interval mode is active 6 The manual stop of the pump can be terminated by the following actions a Pressing the OK key for 5 seconds in the numeric measurement windows Acquisition 1 5 and 2 5...

Page 65: ...ures can be professionally analyzed by the DataVIEW or DataEXPERT software along with all the other parameters registered by the AlphaGUARD The DPS 5000 sensor unit is especially suited for soil gas m...

Page 66: ...ations from small re calibration systems to large calibration facilities e g for calibration labs Please check with us for standard and individual solutions Figure 58 50 L calibration container Figure...

Page 67: ...x DataVIEW PRO Software intuitive software for comfortable data read out and parametrization or x DataEXPERT 10 software Fig 4 This software eases system management by showing all technical and radiol...

Page 68: ...data acquisition alarm function visualization analyzing and reporting by using the software DataEXPERT 10 The software should permanently be running on a PC or a server In case of an interrupted conn...

Page 69: ...oring stations can be used for radiation protection purposes or applications using radon as a tracer e g in high seismological risk level areas the radon in soil gas can be used as an indicator for se...

Page 70: ...switch to supply voltage open emitter x No Alarm switch opened high impedance x Alarm switch closed connected to power supply max 100 mA Alarm low signal switch to ground open collector x No Alarm swi...

Page 71: ...ltaneously monitoring the radon concentration of up to five different environments by performing successive measurement steps in an always repeating manner The adjustable measurement regime can be pas...

Page 72: ...measuring cycles are always available in the memory The numbers of experiments are placed by the AlphaGUARD autonomously in ascending order Up to a maximum of 512 measuring series can be administrated...

Page 73: ...Therefore with measurements lasting longer than six months the set up of a new measuring series should be manually enforced i e immediately after every half year January 01 and July 01 for example by...

Page 74: ...cquisition Fast digital signal sampling network using three separate ADC channels Spectral signal extraction DSP Digital Signal Processing on line cross correlation algorithms Detector efficiency 1 CP...

Page 75: ...tion chamber HV 750 VDC Mode of operation 3D alpha spectroscopy a n d current mode Total detector volume 0 62 liter 38 cubic inches Active detector volume 0 56 liter 34 cubic inches Type of Radon prog...

Page 76: ...surement modes and cycles 10 min 60 min Diffusion Data capacity non volatile Up to 60 000 measurement points 400 days at 10 min measuring cycle 2 500 days at 60 min measuring cycle Resolution of graph...

Page 77: ...parate ADC channels Spectral signal extraction DSP Digital Signal Processing on line cross correlation algorithms Detector efficiency in Radon measurement mode 1 CPM at 20 Bq m 0 55 pCi l Detector eff...

Page 78: ...10 min measuring cycle 2 500 days at 60 min measuring cycle Resolution of graphic display 160 x 104 pixels Battery life time diffusion mode Battery life time flow mode 10 days 10 h Dimensions without...

Page 79: ...solution under DataVIEW or DataEXPERT Initial calibration uncertainty Band gab semiconductor sensor 20 C 70 C 4 158 F 0 1 C 0 1 F 0 1 C 0 1 F 1 5 C 2 5 F Relative air humidity sensor in ionization cha...

Page 80: ...ext 10 32 VDC supply from mains adapter Loss or restart of mains supply charging Irrevocable flag set for loss or restart and charging External counter signal channel 1 2 Operating principle Events de...

Page 81: ...50 D2000 DF2000 1 AlphaGUARD 2 Transport case 3 Mains charging adapter 4 USB cable 5 Dust protection bag Tyvek 6 Diffusion adapter 7 Flow through adapter 8 Hexagon key for flow through adapter 9 Air t...

Page 82: ...82 WWW BERTIN INSTRUMENTS COM USER MANUAL Figure 65 Range of delivery 3 1 10 11 5 4 7 2 6 8 9 12 13...

Page 83: ...ffusion Diffusion Diffusion and Flow Radon Thoron discrimination Radon in soil gas With Soil Gas probe Radon in water samples With AquaKIT Radon progenies With AlphaPM With AlphaPM With AlphaPM Dose r...

Page 84: ...s to be adjusted via the following procedure depending on Windows version 14 2 1 Bluetooth communication with Windows 7 1 Activate the Bluetooth connection at the AlphaGUARD see also point 7 2 9 9 a P...

Page 85: ...85 WWW BERTIN INSTRUMENTS COM USER MANUAL 3 Click on ALPHAGUARD AGXXXXXX and then OK ignore error message was not correctly installed...

Page 86: ...rinters in the system settings Right hand click ALPHAGUARD AGXXXXXX and then on Properties ignore the warning symbol 5 Click on Hardware then on Standard serial via Bluetooth connection then on Proper...

Page 87: ...RUMENTS COM USER MANUAL 6 Open DataVIEW PRO and choose the COM interface identified under point 5 in that case COM22 for the data connection The connection will work like a cabled connection after cli...

Page 88: ...9 a Push the menu button b Navigate to Settings menu and push the enter button c Navigate to Set interface and push the enter button d Choose BLUETOOTH and push the enter button e Navigate back by pu...

Page 89: ...89 WWW BERTIN INSTRUMENTS COM USER MANUAL 4 Click on Bluetooth and then on ALPHAGUARD AGXXXXXX to pair the computer to the AlphaGUARD...

Page 90: ...90 WWW BERTIN INSTRUMENTS COM USER MANUAL 5 Click on Devices and printers then on AlphaGUARD AGXXXXXX then on Properties...

Page 91: ...91 WWW BERTIN INSTRUMENTS COM USER MANUAL 6 Click on Properties and check the no of the COM interface in that case COM4...

Page 92: ...TRUMENTS COM USER MANUAL 7 Open DataVIEW PRO and choose the COM interface identified under point 6 in that case COM4 for the data connection The connection will work like a cabled connection after cli...

Page 93: ...93 WWW BERTIN INSTRUMENTS COM USER MANUAL Flow diagrams of the AlphaGUARD menu 14 3 1 Acquisition windows...

Page 94: ...94 WWW BERTIN INSTRUMENTS COM USER MANUAL Graph selection Acquisition 3 Channel 1 1 of n Rn Tn Measurement window Channel 2 1 of n Rn Tn S L S L...

Page 95: ...Marker message Set loaction ID menu Set pump flow menue S L Lock device menu Measurement window S L Set location ID S L S L S L Short Long Short Long Short Long Short Long T 5sec Operation mode select...

Page 96: ...Settings menu Configuration analog in 1 Configuration analog in 2 Set beeper menu Settings sub menu Measurement window S L S L S L S L Short Long Short Long Short Long Short Long Set marker Marker me...

Page 97: ...start setting actual setting Function menu set location ID Measurement window ID was updated Set operation mode Selector 1 of 6 Short Long Function menu Set operation mode Measurement window mode was...

Page 98: ...2 00 0 05 l min Short Long start setting actual setting Function menu set pump flow Measurement window flow was updated Lock device Long Funktion menu lock device Measurement window Enter Keycode Key...

Page 99: ...eycode press UP and MENU keys while switching the device on Locked device Acq 1 6 or blind Window Enter Keycode Authorisation failed Return from function menue key lock set active Unlocked device Acq...

Page 100: ...ort Long 2 5 Volt value 4 digit deci point sign Short Long char 1 char 2 char 3 char 4 Short Long Short Long Short Long Short Long Measurement window Function menu Configure Channel X char 5 Short Lon...

Page 101: ...Set hide display content menu Set key code Set key code menu Set backlight Set backlight menu Set contrast Set contrast menu Set units Set units menu Short Long Short Long Short Long Short Long Short...

Page 102: ...Set interface Set interface menu Set RS232 baudrate Select baudrate menu Version Serial number Version and serial number display Short Long Short Long Short Long Short Long Next window Clear Memory C...

Page 103: ...scard Discard Discard Discard Hour 00 23 Short Long Discard Discard Minute 00 59 Short Long Discard Discard Minute 00 59 Short Long Discard Discard Short Short Short Short Save Save Save Save Short Sa...

Page 104: ...g Short Long Short Long Start zone actual zone Long Short Save Discard Discard Discard Discard Discard Discard Short Short Long Long Save Save Settings menu set time zone Hide display content Selector...

Page 105: ...ENTS COM USER MANUAL Set keycode Digit 0 0 9 Digit 1 0 9 Digit 2 0 9 Digit 3 0 9 T 30sec T 30sec T 30sec T 30sec Calling menu item Use keycode set or autorize Short Long Measurement window Short Long...

Page 106: ...0k 50k for D50 Short Long Function menu set alarm level Measurement window Contrast was updated start setting actual setting Set backlight Selector 1 of 3 Short Long Settings menu set backlight Measur...

Page 107: ...0 100 Short Long Settings menu set contrast Measurement window Contrast was updated start setting actual setting Set interface Selector 1 of 3 Short Long Settings menu set interface Measurement window...

Page 108: ...Short Long Settings menu set baudrate Measurement window Baudrate setting was updated start setting actual setting Clear memory Selector 1 of 2 Short Long Settings menu set clear memory Measurement wi...

Page 109: ...ANUAL Show version Version window Short Long Settings menu show version Acquisition window 14 3 4 Low Battery voltage Low batterie voltage Switch off warning message T 60sec switch device off External...

Page 110: ...hip not readable ID Read returned only 0x00 or 0xFF Internal Hardware Error contact your local Bertin dealer press enter to turn off device 0x00000010 ADC converter init failed Internal Hardware Error...

Page 111: ...e please contact your local Bertin dealer press enter to continue 0x00040000 Failed to initialize bluetooth module Volatile Errors device still operational 0x01000000 Battery voltage is below operatio...

Page 112: ...n London Activity specified by NPS repeated use Gamma spectroscopic cross calibration PTB radium source versus Radon sealed in glass ampoule PTB NIST USA NPL GB PTB GER Accumulation vessel repeated us...

Page 113: ...113 WWW BERTIN INSTRUMENTS COM USER MANUAL...

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