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Cobia Flex R/F

User Manual

English - v2014.3A

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Summary of Contents for Cobia Flex R/F

Page 1: ...Cobia Flex R F User Manual English v2014 3A ...

Page 2: ...any errors or consequential damages that may result from the use or misinterpretation ofany information contained in this user manual Copyright 2011 2014 by RTI Electronics AB All rights reserved The content ofthis document may not be reproduced for any purpose other than supporting the use ofthe product without prior permission from RTI Electronics AB User Manual Downloads www rti se downloads Yo...

Page 3: ... the Internal Detector 10 3 2 Measuring with an External Detector 11 3 3 Measuring with a Light Probe 12 3 4 Measuring with the Optional Internal MAS 13 14 3 4 1 Connecting the MAS Cable 14 15 3 4 2 Tube Current Safety Precautions 15 16 4 Maintenance 4 1 Scheduled Calibration 16 4 2 Updating the System 16 4 3 Changing the Battery 17 17 5 Technical Data 5 1 Battery Charging Details 17 5 2 Battery W...

Page 4: ...Cobia Flex R F User Manual 2014 3A 4 1 Product Overview TOP VIEW BOTTOM VIEW ...

Page 5: ...ace Circular entrance surface for the measurement sensors 9 Status indicator Indicates functional status of the Cobia 10 External probe input Used to attach external measurement probes 11 Battery charging indicator The orange battery charging indicator is lit when the battery is charging See section Battery Charging Details 12 Optional MAS connector Used to attach invasive MAS cable selected model...

Page 6: ...e right side ofthe field displays an icon for external power supply and an indicator for the battery level 3 At the bottom ofthe screen a simple user guide is displayed For each view the buttons that are functional in this view are shown together with a short text describing the function ofthe buttons 4 6 Single view In single view only one active parameter is displayed represented by the value an...

Page 7: ...ll the available parameters are shown simultaneously The active parameter displayed in Single view is indicated in color Ifa measurement is started when the Cobia is in List view the display will switch to Single view during the measurement and then return to List view after completion Parameters from MAS or EXT are marked accordingly Note The available parameters may vary depending on the model o...

Page 8: ... than one calibration is connected to the Cobia a selection screen will be shown left For later calibration changes the selection screen is also available on the Main menu 1 1 2 Keyboard Operation Menu and On Offbutton IfPower Off Press once to start the Cobia IfPower On Press once to display the menu Press and hold to switch offthe Cobia In Menu Closes the menu Up and Down arrow buttons In Single...

Page 9: ...2 1 Before Starting the Cobia for the First Time Before using the Cobia for the first time the unit has to be charged for 16 hours See Charging the Battery 2 2 Charging the Battery The battery can be charged in two ways Via the USB cable connected to a PC The charging is not disturbed by communication between the PC and the Cobia Via the USB cable connected to the included external charger 9 ...

Page 10: ...the Cobia under the X ray source at a clinically relevant distance typically 50 100 cm from the source 5 Make sure that the radiation field covers at least the entire Cobia detector surface 6 Start an exposure 7 When the measurement is over the recorded values are by default cycled on the Cobia display Press the Right arrow button to go to the List view for an overview 8 Compare the parameters dis...

Page 11: ...0 cm from the source as described by the manual ofthe detector 3 Attach the external detector to the Cobia 4 Ifneeded select among the available calibrations shown below 5 Adjust the X ray unit to the desired settings 6 Start an exposure or other signal 7 When the measurement is over the recorded values are by default cycled on the Cobia display Press the Right arrow button to go to the List view ...

Page 12: ...apter below right for measuring illuminance ambient light Position the probe in the desired location and read the result When using the luminance adapter the recorded value is automatically saved to the log function For illuminance measurements the down arrow button has to be pressed for a value to be saved to the log Please note that there is no need to perform a reset before using the Light prob...

Page 13: ...nd electrical human hazards in the case ofimproper connection or failure ofany part ofthe meter circuit The Cobia MAS is intended for use only by those skilled in the calibration and repair ofX ray machines Please read the section Tube Current Safety Precautions for more safety rules 1 Prepare the unit that is to be tested 2 Connect the Cobia MAS Cable as described in section Connecting the MAS Ca...

Page 14: ... 4 1 Connecting the MAS Cable Please be aware that high voltage may occur ifthe mAs probe is not properly connected Read the Tube Current Safety Precautions section before starting the measurement 1 Power down the X ray generator and wait the recommended time to allow for generator discharge according to generator manufacturer s specifications 2 Remove the jumper ofthe mAs measuring socket ofthe g...

Page 15: ...uring socket Please be aware that high voltage may occur on the Cobia Internal MAS if the cable connection to the X ray generator mAs socket is broken Always wait approximately one minute after switching offthe X ray generator before connecting or disconnecting the cables between the Cobia Internal MAS and the mAs measuring socket Always check that the short circuit path jumper normally connected ...

Page 16: ...MAS or use together with products that the Cobia Internal MAS is not intended for RTI Electronics AB assumes no responsibility in case ofcustomers not following these safety precautions 4 Maintenance 4 1 Scheduled Calibration RTI recommends that the Cobia is recalibrated every 24 months Send your Cobia to your local RTI distributor who will send it to our service department in Mölndal Sweden or Ne...

Page 17: ...icator marked The indicator is lit when the battery is actively charging It will gradually turn offwhen the battery is getting closer to fully charged Charging is possible also when the Cobia is powered off Approximate battery charging times Capacity Using power supply Computer USB Cobia ON Computer USB Cobia OFF 100 5 h 8 5 h 32 h 90 3 5 h 7 h 30 h 80 2 5 h 6 h 27 h 50 1 5 h 3 5 h 17 h 5 2 Batter...

Page 18: ...the Cobia Ifit does start the battery was too low to start If this does not help try to reset the Cobia as described below The Cobia indicates a dose lower than anticipated Ifthe dose readings are too low or ifthe irradiation times for short exposures are too short check that the measurement is performed so that the radiation is perpendicular to the Cobia detector surface Please also make sure tha...

Page 19: ... 3A How do I reset the Cobia There is a reset hole on the bottom face ofthe Cobia marked RST Insert the end ofa paper clip or similar to reset the Cobia 7 Standards and Compliances For standards and compliances see the Reference Manual ...

Page 20: ...upport support rti se Service service rti se Web www rti se Contact Information US Office RTI Electronics Inc USA 33 Jacksonville Road Bldg 1 Towaco NJ 07082 USA Phone 1 800 222 7537 Int 1 973 439 0242 Fax Int 1 973 439 0248 Sales sales rtielectronics com Support support rtielectronics com Service service rtielectronics com Web www rti se RTIarticle number 4760 001206 ...

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