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Radcal Accu-Dose Скачать руководство пользователя страница 25

Dose Rate

 

Use 

UP 

or 

DN

 to reach 

Dose Rate

 then press 

select

.

The display will briefly show 

6cc Corr 1.02

measuring zero 

after which it will become

[

   Dose Rate

0.0 mR/min

The up arrow indicates low-sensitivity mode.
Press and hold 

test

 (or make an exposure).

The display becomes

[

   Dose Rate

999.5 mR/min

19

Содержание Accu-Dose

Страница 1: ...Accu Dose Radiation Measurement System Quick Start...

Страница 2: ......

Страница 3: ...rporation 426 West Duarte Road Monrovia CA 91016 4591 USA USA 626 357 7921 Fax USA 626 357 8863 email Service radcal com www radcal com Radcal Part MNL 2086 4091183 Rev B3 Firmware V7 03 7 23 Printed...

Страница 4: ...Accu Dose...

Страница 5: ...Quick Start Guide will step you through Getting Started which includes the basic connections of the various ion chambers and battery charger as well as the Operation of the system including the set u...

Страница 6: ...STARTED 10 Operation 15 Display 17 Sounds 18 Making a measurement 18 Dose Rate 19 MAKING ION CHAMBER MEASUREMENTS 21 PERFORMANCE 26 ACCESSORIES 29 XLPRO 29 90E6 2 Extension cable 31 10A96 Ion chamber...

Страница 7: ...es only digital signals and operating voltages Dose is measured using ion chamber or diode dose sensors connected directly to a digitizer electrometer The table on page 6 lists available dose sensors...

Страница 8: ...nit is shown on page 5 The UP arrow DN arrow select and test buttons and a 2 line display are on the front panel The green power button is located on the left end The battery charger connects at the r...

Страница 9: ...Measurement results are presented on the display and are available in digital formusing the USB connection see XLPRO page 29 3...

Страница 10: ...Accu Dose Diagnostic Ion Chamber Components A Accu Pro 9096 Control Unit B 10X6 6 Ion Chamber Sensor C 9660 Ion Chamber Digitizer D 90C6 4 Sensor Cable 4...

Страница 11: ...5...

Страница 12: ...rs 10X6 6 In beam diagnostic x ray ion chamber 10X6 6M Mammographic x ray ion chamber 10X6 3CT CT measurement ion chamber 10X6 60 General purpose ion chamber 10X6 180 100 ccm2 scatter and leakage ion...

Страница 13: ...Measurement Functions Dose Dose Rate Time Dose Accum Hold Dose Rate Seconds Auto Dose Max Dose Rate Minutes Last Dose Dose pulse Hours available with the Accu Dose Advanced only 7...

Страница 14: ...ended The range of pulse width extends from 10 ms to 9999s The uncertainty is 4 ms or 50 ms for the 10X6 1800 only plus 0 1 of width The minimum dose rate for the 6cc Chamber is 650 mR min or 95 Gy s...

Страница 15: ...e less than 10ms dose diodes are recommended For the DDX6 diodes in Auto Dose the width uncertainty is 1 2 ms plus 0 1 of width over a range from 5 ms to 9999 s Minimum dose rate is 102 Gy s or 700 mR...

Страница 16: ...r measurements Stabilization is best done by putting the unit in Dose Rate mode High Sensitivity and waiting for 3 minutes See page 21 for details Assembly Connect the sensor cable to the control unit...

Страница 17: ...Sensor cable connection 11...

Страница 18: ...ector of the digitizer and push to engage Pull on the ribbed metal ring to disconnect Connect the ion chamber Connect the ion chamber to the larger circular connector on the ion chamber digitizer Alig...

Страница 19: ...13...

Страница 20: ...hen they leave the factory and may be charged before use The charger connects to the rear of the control unit Plug it into an ac outlet The charge indicator should turn orange indicating the battery i...

Страница 21: ...on the control unit reads the type and calibration factors of each sensor measures the ion chamber temperature and the ambient pressure When self test completes the display will show the chamber info...

Страница 22: ...the second line will show setup or whatever measurement mode was active the last time power off occurred If self test is unsuccessful a failure message is displayed Pressing UP or DN allows operation...

Страница 23: ...dditional readings onto the display Characters at the left side of the display have special meaning For dose measurements indicates dose sensor signal was outside calibrated range indicates high sensi...

Страница 24: ...nd line shows the measurement you may select Pressing select starts the measurement Pressing UP or DN during a measurement while a function is selected ends the measurement and returns to the main men...

Страница 25: ...ress select The display will briefly show 6cc Corr 1 02 measuring zero after which it will become Dose Rate 0 0 mR min The up arrow indicates low sensitivity mode Press and hold test or make an exposu...

Страница 26: ...isplay retains the values A subsequent exposure does not replace them until the measurement is complete The appears to the left of the exposure value to indicate signal present When it disappears a be...

Страница 27: ...amber is used the system must re stabilized Note For changing environments allow 10 minutes per 10 C for the sensor electronics to equilibrate 2 Ensure that the system is set to high sensitivity on Se...

Страница 28: ...measurements 2 3 minutes it is prudent to force a full re zero by exiting the mode and re entering 22...

Страница 29: ...ns The defaults are listed below See the User s Guide for more information Accu Dose Advanced only Main menu Dose Rate Auto Dose Mode Ion chamber correction temperature pressure Ion chamber high sensi...

Страница 30: ...reset options to factory defaults Press UP until Change or SELECT Setup appears Press select to enter Setup Press DN twice until SELECT restores setup defaults appears Press select Accept changes OK...

Страница 31: ...should appear Press DN until Press SELECT to exit Setup appears Press select Accept changes OK appears again Press select to return to the main menu with all SETUP options at factory defaults 25...

Страница 32: ...PERFORMANCE See User s Guide for complete specifications Ion Chamber Measurement Specifications Accuracy 5 at reference conditions See User s Guide for detailed specifications 26...

Страница 33: ...easurement Specifications 40kVp 120kVp 2 5mm Al Energy dependance 5 25kVp 30kVp 30 m Mo Energy dependance 5 These sensors are calibrated for Mo Mo No corrections are applied for other anode filter com...

Страница 34: ...28...

Страница 35: ...ommunication is only supported by XLPRO USB XLPRO Version 4 0 and above See the XLPRO documentation for details Turn on the Accu Dose Connect a USB cable between the PC and the Accu Dose If the green...

Страница 36: ...play reads Control locked by PC over USB While XLPRO is making measurements under computer control the display will show the measurement results however user control is still disabled User control is...

Страница 37: ...90E6 2 Extension cable The extension cable allows one to place the ion chamber up 2 meters away from the digitizer Other lengths available 31...

Страница 38: ...e stem of 10X5 series ion chambers into signals that mimic the EAROM that holds calibration and chamber type information the Accu Pro requires A temperature sensor is included to provide that informat...

Страница 39: ...33...

Страница 40: ...al with shipping costs prepaid by the customer Costs to return ship to customer by ground transportation will be paid by Radcal if the repairs are warranty applicable This warranty excludes batteries...

Страница 41: ...calibration errors which develop subsequent to our shipment of the instrument If Radcal determines that a fault has been caused by misuse abnormal operating conditions or repairs by unauthorized perso...

Страница 42: ...4 The Radcal Corporation declares under our sole responsibility that the Accu Dose Measurement System conforms to the following product specifications EMC EN 61326 1 QA Manager Date 2008 May 12 Radcal...

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