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Measure

2021.5B

RTI Scatter Probe User's Manual

17

7. Select which detector area you want to use - In this example select 

Large (100 cm

2

)

8. The measurement screen will open. 

9. The Scatter Probe is ready to measure when the the Ready sign in the upper left part of the measurement screen turns

green and shows Ready. The status indicator LED on the Scatter Probe will also turn green.

10. Make an exposure at an high kV, mA and time setting. E.g. on R/F system select 100 kV, 500 ms, 100 mA.   

11. The display will update. 

Содержание Scatter Probe

Страница 1: ...RTI Scatter Probe User s Manual English Version 2021 5B RTI document number 4731 002128 RTI Scatter Probe Scatter Leakage in X ray Environment...

Страница 2: ...2021 5B RTI Scatter Probe User s Manual...

Страница 3: ...RTI Scatter Probe...

Страница 4: ...ting the use of the product without prior permission from RTI Group AB RTI Electronics Inc 33 Jacksonville Road Building 1 Towaco NJ 07082 USA Phone 800 222 7537 Toll free Int 1 973 439 0242 Fax Int 1...

Страница 5: ...e and maintenance of the X ray equipment for quality control of the X ray equipment for educational purposes authority supervision etc The product is intended to be used by hospital physicists X ray e...

Страница 6: ...2021 5B RTI Scatter Probe User s Manual...

Страница 7: ...nciples Theory 4 24 Waveforms and Triggers 4 1 26 Mean Energy and Ambient Dose Equivalent 4 2 27 Hardware and Specifications 5 28 Specifications 5 1 30 Standards and Compliances 5 2 30 Manufacturer s...

Страница 8: ...2021 5B RTI Scatter Probe User s Manual...

Страница 9: ...Chapter 1 Introduction...

Страница 10: ...in distance The 10 cm2 or the 100 cm2 detector area of the RTI Scatter Probe ensures full compliance with these standards It does not matter if your scatter and leakage application requires measuremen...

Страница 11: ...Chapter 2 Product Overview...

Страница 12: ...as The center marks show the 10 cm2area 33 3 x 33 3 mm 2 100 cm2 detector surface The outer marks show the 100 cm2area 100 x 100 mm 3 Mini tripod handle The Scatter Probe comes with a mini tripod 4 US...

Страница 13: ...is proportional to the irradiation rate The sensitivity of the LED bar is user selectable by setting the Alarm Level for air kerma rate or for ambient dose equivalent rate The settings are made from...

Страница 14: ...ngs Trig Mode Post Delay When Normal measuring mode auto trig is used the radiation has to be off for 3 seconds after trig off before the Scatter Probe is ready for a new measurement This time is call...

Страница 15: ...Chapter 3 Measure...

Страница 16: ...d to be higher than 5 Gy h or 10 Sv h during the entire measurement Normal Mode can be used The Scatter Probe will then auto trig when irradiation rate is above trig level 1 Connect the RTI Scatter Pr...

Страница 17: ...screen will open 9 The Scatter Probe is ready to measure when the the Ready sign in the upper left part of the measurement screen turns green and shows Ready The status indicator LED on the Scatter Pr...

Страница 18: ...t complete two second period I e a time frame slightly before end of measure If the measuring time is shorter than two seconds all displayed values will represent the entire measurement Free run Manua...

Страница 19: ...shows Ready The status indicator LED on the Scatter Probe will also turn green 5 Start the measurement trig on by pressing the Start button in Ocean or the Trig button on the Scatter Probe 6 Measured...

Страница 20: ...efined measurement time is used Assuming that the instruction for The first measurement above is followed until the measurement screen is open point 8 1 Go to Meter Settings 2 Select Timed Measuring M...

Страница 21: ...adiation rate is expected to be higher than the trig level for the entire measurement Normal mode is convenient to use since no manual action is needed After trig off the Scatter Probe and Ocean will...

Страница 22: ...2021 5B RTI Scatter Probe User s Manual...

Страница 23: ...Chapter 4 Measurement Principles Theory...

Страница 24: ...rig level 7 Post trig buffer end point A post trig buffer 500 ms is in use to avoid loosing any radiation information just after trig off 8 If the signal has been below the trig level during Post dela...

Страница 25: ...calculated and displayed 7 Restart buffer end point During the Restart buffer the display software gets ready for a new exposure The status LED turns RED during Restart buffer but may not be visible d...

Страница 26: ...y using the relationship found from 9 cf Figure 1 Figure 1 Conversion coefficient for calculation of Ambient Dose Equivalent H 10 at given photon energy 1 Poludniowski G Landry G DeBlois F Evans PM Ve...

Страница 27: ...Chapter 5 Hardware and Specifications...

Страница 28: ...USB active Waveforms Air Kerma and Ambient Dose Equivalent extension cable Max recording time 300 s Power 5V from display unit via USB Bandwidth 1 300 Hz Active area 10 cm2 and 100 cm2 Rated Range of...

Страница 29: ...9 Gy h 0 09 mR h ISO N20 N150 Ambient Dose Equivalent H 10 0 1800 mSv h 10 or 2 Sv h ISO N20 N150 Mean Energy 10 150 keV 10 or 5 keV min rate 75 Gy h Half Value Layer HVL 0 1 17 mm Al 10 or 0 05 mm A...

Страница 30: ...Scatter Probe User s Manual 30 5 2 Standards and Compliances Hereafter you can find declarations of conformity as well as documents describing the intended use of the RTI Scatter Probe system 5 2 1 M...

Страница 31: ...5 2 2 FCC Certification Supplier s Declaration of Conformity 47 CFR 2 1077 Compliance Information Unique Identifier RTI Scatter Probe model number 9631001 00 Responsible Party U S Contact Information...

Страница 32: ...U as of August 13 2005 Manufacturers distributors and retailers are obliged to finance the cost of recovery from municipal collection points reuse and recycling of specified percentages per the WEEE r...

Страница 33: ...Chapter 6 Maintenance...

Страница 34: ...tails please see the back of this manual or the list of local RTI distributors on the RTI website www rtigroup com 6 2 Updating the System The system update can easily be done on any computer with sup...

Страница 35: ...r Air Kerma 10 Air Kerma Rate 10 H 10 10 H 10 Rate 10 Half Value Layer 10 Mean Energy 10 Peak Air Kerma Rate 10 Peak H 10 Rate 10 Time 10 Peak rate 12 Post delay 24 Power on off 12 R Radiation time 24...

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