GQ GMC-300E Plus Geiger Counter User Guide
Contents
1. Applications Stationary Application The unit has two holes on its back for hanging the unit on the wall for stationary monitoring of radiation and long term surveillance applications With the wall adapter it is able to monitor the data continuously 24 7 a Elacianize Li a 10032 wee GOEboronicehLC com Mobile Application To use the unit n the car while driving use the provided car adapter to charge power the unit Position the unit where it can easily detect radiation i e on the dashboard or similar locations in the car You may need to fix the unit to an appropriate location for safety reasons Other technical details you may want to know Data Port This model has a 3 5mm analog data output port It uses standard 3 5mm audio stereo plug but it is not for the earphone The audio signal is for third party device and software The signal can be connected to other devices or computer microphone port directly USB Port The USB port is the standard mini USB port It is used for data communication external power and the battery charger connection Data collection time The GMC 300E PLUS radiation data is collected continuously and every second the measured data is being transmitted to the CPU for processing Tube recovery time After detecting high doses of radiation each Geiger tube needs some time to recover back to normal This may take a couple of minutes This recovery time is depending on the2. the S4 key will cycle between Normal gt Swivel gt Auto Swivel modes In the Auto Swivel mode the display will be rotated by 180 if the unit is held upside down Calibrate the reading You do not need to do the calibration if you just want to qualitatively detect radiation However if you have standard radiation sources with known uSv h value you may calibrate the instrument to get accurate readings The factory default calibration value is for general in door and out door measurements Calibration init Setup 40S Init Setur DateTime hers Lalibratea About Factors Reset Lalibhrate 1 Calibrate z Calibrate 3 Each calibration point needs two values to be entered the CPM value and the uSv h value The user can enter up to three calibration points from large to high count rates Procedure 1 Place the testing radiation source close to unit Geiger Tube side In Text or Graphic mode wait for at least 3 minutes 2 Note the CPM value 3 Select Calibrate menu item on the device then input both the CPM value you noted and the known uSv h value of the calibration source 4 Wait for the popup window to close to save the data for this calibration point 5 Continue with step 1 with other calibrated radiation sources Navigation keys 1 Back Exit S2 Increase the value by 10 CPM or 0 1uSv h respectively S3 Decrease the value by 1 CPM or 0 01uSv h respectively S4 Toggle input data type between CPM and
3. AVING e eee aaaeee 13 Note Location IMU 2245er O 13 PSOV daa SE Ir ENIN rer E E at a 13 PSN dta meN er ee T a a latu a a Of 13 Brase saved History Data a ee 14 Swivel Display SEINO ns ee ee 14 Calibrate the reading essen 15 FACON RE SO ee ee tanto is ateusienser E 16 Bate Slalls zes ns ers au a inaite 16 FOW SAVING MOOG ne ae ee nn 16 TB cat je ac 16 AER RER n PRR RI E RR o ENE ee 17 Mesei Oa GOUN ae soia sera au A ei az a ati ad e alia ft tae aaa 17 NO ROI EEE E RR IE OS RI SE RI hc Re RA e PR Na ent Re 17 IGG ATOR MIAO RER seele DOR eae RI RR 17 Firmware versions 18 Unil serial NUMDEN sc surs cea oc a este o za a na in a ea d ab 18 APD IGaUOII este 19 SLATONMALY ADDICAON area 19 Other technical details you may want to KNOW eee 19 DTaP Ofen elle 19 JSB PON sa en nee 19 Data Collecion LITE zace caza ia ata Daia anne Einen 19 LUDEIECOVER IN al ea ern etre rte ee e su atit o arta e i ta al E E 19 Extend patery operating me aa aa ol ala la 19 Third party software developers cca eee eee nenea nene 20 Overview The GQ GMC 300E Plus digital Geiger Muller Counter is designed to be a portable and convenient device The device comes with built in audible and visual signals for the level of radiation detected It can be used for radiation detection and monitoring both indoor and outdoor as well as in other similar environments It features automatic data recording It can continually monit
4. B driver in order to communicate with the application software Running GQ GMCGeigerCounterUSBDriver exe will install the USB driver 2 GMCDataViewer exe is for viewing the data on a computer 3 SoftGeigerCounterGMCS3OOEPlus exe is a soft copy of GMC 300EPlus demo software For technical questions and support please use the forum at the following link http Awww GQElectronicsLLC com forum For the latest software please visit our software download page http www ggelectronicslic com comersus store download asp Verify USB driver installation in Windows Once the GMC 300E PLUS is connected to a computer from the device manger you should see which COM port is assigned to the GMC 300E Plus See the example below Windows assigned COMS to the GMC 300E PLUS unit in this example er Device Manager Action View EA m Computer i Disk drives Ei Display adapters Fld OYOICD ROM drives H Floppy disk controllers Fel tah Human Interface Devices Hg IDE ATA ATAPI controllers Fl ae keyboards ety Mice and other pointing devices i Monitors E BY Network adapters E a Ports COM amp LPT J Communications Port COM 2 Communications Port Ne E r a Ml System devices Universal Serial Bus controllers For the data viewer or the data logger software selecting COM3 will establish the connection to the GMC 300E PLUS Geiger counter for the above example GQ GMC Geiger Counter Multi Function Keys The mu
5. Counter Data Logger PRO software may be purchased at low cost from GQ Electronics LLC Specifications Range of dose rate indications uSv h 0 00 to 327 99 Range of exposure dose rate indications mRem h 0 00 to 32 99 Range of gamma radiation energy MeV from 0 1 to 1 25 Range of registered beta radiation energy MeV 0 25 to 3 5 Range of gamma radiation energy MeV 0 1 to 1 25 Range of registered X ray radiation energy MeV 0 03 to 3 0 Reproducibility of indication 20 Alarm levels by CPM O to 65535 continuously Alarm levels by uSv h 0 00 to 327 6 continuously Alarm levels by mRm h 0 00 to 32 76 continuously Date indication YYYY MM DD continuously Time indication HH MM SS continuously Elapsed time indication 99 years maximum Radiation detection BY x Sensitivity to Gamma Radiation 0 1 1 MeV Instrument Background lt 0 2 pulses s Working Voltage 6V 9V Data Port Signal PP OV 1 0V Display LCD dot matrix back lighted On board Memory 64K Bytes memory for data storage Power Consumption 25mW 125mW count rate dependant Power Supply 9V NiMH battery USB power from mains or car DC adapter Packing List al DD GMC 300E Plus main unit DC power wall adapter charger Car DC power adapter charger USB cable Quick start guide Download link for SoftGeigerCounter software and USB driver for Windows XP Vista Win7 32 and 64 bits see Quick start guide For USB driver installation on Windows 8 and la
6. TM GO Electronics GQ GMC 300E Plus Geiger Counter User Guide GQ Electronics LLC Revision 1 00 Jan 2014 Document Revision History Re 1 00 Jan 2014 GQ Electronics LLC Initial release for firmware 3 15 Table of Contents SEI CE UNICE ee iat aa Bei o ci mat a 1 Table or GONlents unsern rar 3 DEV N ne een ee 4 SPECII Ca USII SS eee at iai a ala tai ta into ata la aa ap 4 FAC CIC LIS ernennen ee ee 5 HardWare SETUD nasser 6 SOMWA SOU UD sninu n a a aaa ala shone 6 Verify USB driver installation in Windows nenea eee nn ennaa ae 7 GQ GMC Geiger Counter Multi Function Keys nenea 8 SWING een 8 SKOV A RR RI RE N RI INI ACI N IRI TI 8 OS INNA eee oi NE st dn aaa ay iad al aa Bale al aaa Das 8 D IEN iale ate agale otita il atlase anti a nt i ital aia n bai 8 FOWE SAVING MOOS oaza crai ao at Neal Od a rea 8 OD LN TNO VS reer eta balc ee al ec hacen ean ce am ah caiac 9 Graphic User Interiace alla lati dt a aci da 9 GaP ICCO second intai aaa d dude ale ea cai data aice le tai ee 9 AIDC IVMORE zecea siana atasata eier 10 DEX MOOSE osoasa pete cers ut AU dia esse ta n Bazata ene hs hehe er cis n Cca dat aa 10 Largent MOO E einen 11 User ODON ee data alui elit A datul era ae A dt ala er 1 AAN E Wh e E cence T a PRI e RO re Eee 1 RESEL TOlA OGOUN een cer ce ee i 12 Daleand WMG sellnge nme seen ere eee rea an 12 Wala Saving Selling i a eee ate aie en 12 Add Note or Add Location for data S
7. enu mode S4 is the Confirm Select Enter key Power saving mode The units factory default power saving mode is ON In this mode the unit will turn off the display after 30 seconds idle time It turns on the LCD display when any key is pressed Popup Windows The Popup Windows will show the current status value of selected features The current status value can be changed only when it is displayed in the Popup Window and the currently displayed status value will be stored when the Popup Window has timed out after 3 seconds if no key has been pressed BT ML Text rode Graphic User Interface GUI Graphic Icons Graphic ZOOM factors 0 1 0 2 0 3 1 0 2 0 3 0 4 0 5 0 AUTO T Battery Status Data saving enabled History data Alarm enabled Sound enabled E 5 Current graphic ZOOM factor E L F 1 Current CPM reading LILFII History CPM reading Total Count Total count since power on OR reset clear There are three ways to display the information Text Mode Large Font Mode and Graphic Mode Graphic Mode CFH 666 Current radiation level reading in CPM format Counts Per Minute Varia AAA Change of radiation the last 60 seconds Text Mode Current date and time Press S3 for toggling between date and time Current radiation level reading in CPM Current radiation level in uSv h or mR h format Total count and elapsed time since power o
8. he date amp time setup Data Saving Setting 12 Selecting this item will turn on off the real time data saving OFF gt Every Second gt Every Minute gt Every Hour NOTE The history data memory will be used as a ring buffer Once the end of the memory is reached the oldest data will be over written Carefully select the data saving interval to save memory space Add Note or Add Location for data saving _ Save Datz 411S Save Data Hotle Location History Data The user may add a note with up to 16 characters into the history data to identify the measurement or location This note location information will be saved together with the radiation data Note Location Input The cursor indicates the position of current character input Navigation keys S1 Backspace and erase S2 Move cursor right S3 Move cursor left gt S4 Exit amp Store History data searching History data menu HoterLocat ion History Data Erase Saved Data This is for searching the history data stored in flash memory Searching data in graphic mode GE 12 43 zull 16 609152 AN WIN UN ZEPMETT The first symbol indicates this is saved history data to distinguish from real time data display The current history data point reading is 14 CPM 13 2 03 2611 lesa 3 This is the date and time stamp of the recorded data point S indicates that data has been recorded every second M indicates that data ha
9. level of radiation just experienced and is also tube dependant Turning the unit OFF and then turning ON again after a couple of minutes will reduce the tubes recovery time Extend battery operating time The internal battery has limited capacity Turn on the Power Saving mode to extend the battery operating time Turn off the speaker if it is not necessary If a fully charged battery run out in less than 5 operating hours then the battery needs to be replaced Use a 9V nominally 8 4V NiMH rechargeable battery The GMC 300E Plus will operate normally when a non rechargeable battery is installed DO NOT connect the USB cable charger in this case 19
10. lti function keys 1 2 S3 and S4 explained S1 S2 S3 S4 These key s function will be reassigned dynamically based on the context of the current sub menu being displayed S1 key 1 There are three display modes Text Large Font and Graphic mode Pressing the S1 key toggles between these modes 2 Inthe menu screen pressing the S1 key will exit the current menu and will return back one menu level 3 Inthe data input mode pressing the S1 key will delete the last character entered S2 key 1 In text mode pressing the S2 key will change the text information format 2 In graphic mode the S2 key will increase the graphic ZOOM factor 3 In menu mode the S2 key acts as the UP key to move the highlight menu item upwards 4 Inthe menu mode while a popup message box is opened the S2 key changes the value by cycling through the predefined values S3 key 1 In text mode pressing the S3 key will change the displayed date time selection 2 In graphic mode the S3 key will decrease the graphic ZOOM factor 3 In menu mode the S3 key acts as the DOWN key to move the highlight menu item downwards 4 Inthe menu mode while a popup message box is opened the S3 key changes the value by cycling through the predefined values S4 key 1 In power off state only the S4 key acts as the power switch Holding it for 3 seconds will power up he unit 2 In power on state holding S4 key for 3 seconds will switch the unit off 3 In m
11. n Press S2 for toggling displayed info Navigation keys for both modes S1 Text Graphic Display Mode Selection 2 uSv h mR h Total Count Elapsed Time selection S3 Date or Time on title selection S4 Menu 10 Large Font Mode Current date and time Change ii in Text Mode S2 key toggles between CPM uSv h and mR h mode Navigation keys 1 Text Graphic Large Font Display Mode Selection 2 uSv h mR h CPM selection gt S3 uSv h mR h CPM selection S4 Menu NOTE Large Font Mode is available in firmware Ver 2 20 or later only Menu Display Main Menu Navigation keys S1 Back S2 Up S3 Down S4 Select Enter User Option Navigation keys S1 Back S2 Up S3 Down S4 Select Enter Alarm EBENE Currently the CPM alarm mode is selected The audio alarm will be triggered once the radiation level reaches the preset alarm threshold 11 Reset Total Count Select Yes to clear reset the total count to o from text mode screen This is used to doa cumulative measurement on a low level test Date and Time setting Navigation keys S1 Back Exit S2 Increase value by 1 S3 Decrease value by 1 S4 Select setting mode between Year Month Date Hour Minute and Second Each key press will change the mode to be set NOTE Setting of Date and Time is important all history data use Date and Time as a time stamp reference NOTE you need to set the seconds to let unit complete t
12. or the radiation and log the data each second into internal memory When connected to a PC software can download the radiation history data to the computer and the user is able to analyze those data later The device is equipped with an USB port utilized for communication and external power supply charging of the internal rechargeable NiMH 9V battery The GQ GMC 300E Plus internal rechargeable battery can be charged with the supplied wall adapter or with the car adapter for the cigarette lighter Using the adapters continuous data monitoring is possible Using either power adapter you will not have to worry about the batteries charge condition or any data loss The main board also has a real time clock on board for time related data logging purposes The USB port communicates with the GQ GMC 300E Plus Soft Geiger Counter software and the GQ Geiger Counter Data Viewer software The GQ GMC 300E Plus Soft Geiger Counter software s appearance is an exact copy of the GMC 300E Plus hardware human interface You can download it for free and experience the GMC 300E Plus user interface before you purchase the real hardware The GQ Geiger Counter Data Viewer software can download the time stamped radiation history data from the unit and save it on a computer for future references and analysis For professional data logging of radiation data the GQ Geiger Counter Data Logger may be downloaded for free An even more advanced version the GQ Geiger
13. s been recorded every minute H indicates that data has been recorded every hour searching data in text mode _ 2 02 2011 edi dr Sa Ela Ela Ela Ela Ela a Ela Ela Ela H Ela Ela Ela Ela a Ela Ela Ela CPH 2 The first symbol indicates this is saved history data to distinguish from real time data display The current history reading is 14 CPM ACPM If the data has been recorded every minute averaged CPM will be displayed and ACPM will be displayed instead of CPM to indicate the averaging mode Averaging time period is one minute Navigation keys for both data search modes S1 Back Exit S2 Select searching mode Previous Day Previous Hour Previous Minute Previous Note Location S3 Select searching mode Next Day Next Hour Next Minute Next Note Location gt S4 Step Each key press will go to next data point based on the searching mode selected via S2 S3 gt NOTE If no more data are found the following message will be displayed in both modes End of Record Erase Saved History Data History Data SErase Saved Data Exit Use S2 and S3 to select Yes or No on the screen to confirm the request After about 3 seconds with Yes confirmation the unit will start to erase entire saved history data It may take a few seconds to complete the task Swivel Display Setting User UrFt on Grarhic Zoom bisrlas OFtion 5w1yvel Diselay Save Data Reverse Dizrlaua 14 Pressing
14. ter version please see forum for more details htto www gaelectronicsllc com forum Hardware setup There are four buttons on the front of the unit S1 S2 S3 and S4 from left to right 1 Power up the unit Pressing the S4 power key for 3 seconds will turn on the unit Check the battery level The unit should be charged when used for the first time lt may take a few hours to get the battery fully charged Check the battery icon on the display a fully charged battery icon will be filled with solid color without flashing 2 Set date time Press the S4 key to enter the menu and set the date and time This is very important for time stamping the recorded data Do not skip this step Most of the data are related to the date and time 3 Set the backlight timeout in second in order to minimize the power consumption Set the power savings mode If the power savings mode is ON then the LCD display will be turned off after 30 second if no key is being pressed during this period 4 Now the unit is ready to use You should see the background CPM rate in absence of a radioactive source Note There is a transparent protective sheet covering the units surface Users need to remove it to get better view of the LCD display Software set up Before connecting the GMC 300E Plus Geiger Counter to a computer download the application software and install the USB driver Download these from http www ggelectronicsllc com 1 The unit needs an US
15. uSv h 15 Factory reset Select Factory Reset to reset the unit to the factory default settings Note The reset will erase all user settings and recorded history data Procedure Select Factory Reset menu item and change the popup Windows message to Yes Wait for popup message window s timeout to confirm the reset request Any other key press will cancel the reset request It may take up to 30 seconds to complete the reset Battery Status Select Battery submenu and Battery item for checking the current battery voltage Power saving mode Pressing the S4 key will toggle the Power Saving mode ON and OFF In power saving mode the units LCD display will be turned off after 30 seconds if no key is pressed to save battery power The audio signal will not be turned off if it has been set to ON The LCD back light will be off during the power saving mode Pressing any key will active the LCD backlighting again LED Indicator GMC 300E PLUS has a LED indicator on the front panel Turn on of off the LED from this menu item Reset Total Count The Reset Total Count menu item let user to clear the total count on main text mode screen This may be used before a fixed time count measurement start About This menu item is used to gather information about the instruments model number firmware revision and serial number Model information 17 Firmware version Unit serial number 18
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