RaySafe Solo User manual

USER MANUAL
RaySafe Solo

© 2018.10 Unfors RaySafe 5001053-4.00
All rights are reserved. Reproduction or transmission in whole or in part, in any form or by any means,
electronic, mechanical or otherwise, is prohibited without the prior written consent of the copyright owner.
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CONTENTS
INTRODUCTION .................................................................................................... 5
Versions........................................................................................................... 5
About this user manual................................................................................... 5
THE RAYSAFE SOLO.............................................................................................. 6
The RaySafe Solo detector options................................................................ 6
Easy to use.......................................................................................................7
GETTING STARTED.................................................................................................8
Keys on the RaySafe Solo base unit................................................................8
Battery and Charger ....................................................................................... 9
R/F MEASUREMENT .............................................................................................10
MAMMOGRAPHY MEASUREMENT....................................................................... 13
CT MEASUREMENT .............................................................................................. 16
How to measure CT dose.............................................................................. 16
LIGHT MEASUREMENT......................................................................................... 19
mA/mAs MEASUREMENT .................................................................................... 22
Passive mAs .................................................................................................. 25
MEASUREMENT DEFINITIONS ............................................................................ 26
Dose .............................................................................................................. 26
Dose Rate...................................................................................................... 28
kV/kVp ........................................................................................................... 28
Time............................................................................................................... 29
Pulse.............................................................................................................. 30
HVL (Half Value Layer) – optional ................................................................ 30
Total Filtration – optional............................................................................... 31
mA and mAs................................................................................................... 31
RAYSAFE SOLO PC KIT........................................................................................ 32
RaySafe Xi View............................................................................................ 32
Transfer data to a computer......................................................................... 33
Installing RaySafe Xi View ............................................................................ 33
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RaySafe Solo User Manual – Contents

Setup of Bluetooth communication.............................................................. 33
Getting help ...................................................................................................34
ACCESSORIES ..................................................................................................... 35
The RaySafe flexi stand ................................................................................ 35
The RaySafe OPG holder.............................................................................. 35
The RaySafe Cassette holder....................................................................... 36
TIPS AND TRICKS.................................................................................................37
Arrangement of Measurement......................................................................37
Vertical Detector Placement......................................................................... 38
kVp on AMX................................................................................................... 38
Display Codes ............................................................................................... 38
Frequently Asked Questions ........................................................................ 39
Troubleshooting............................................................................................. 41
WARRANTY, SERVICE AND SUPPORT..................................................................43
Service ...........................................................................................................43
Return Procedure for Service and Warranty .................................................43
DISPOSAL.............................................................................................................44
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RaySafe Solo User Manual – Contents

INTRODUCTION
VERSIONS
This user manual covers the following articles:
base unit version: 8221011 detector version: 8222015
8221022 8222016
8222017
8222018
8222019
8222020
8222021
8222022
ABOUT THIS USER MANUAL
This user manual is intended to assist users in the safe and eective operation of the product described.
Before attempting to operate the product, you must read these instructions for use, noting and strictly
observing all WARNINGS and CAUTION notices.
WARNING A WARNING alerts you to a potential serious outcome, adverse event or safety hazard. Failure
to observe a warning may result in death or serious injury to the operator or patient.
CAUTION A CAUTION alerts you to where special care is necessary for the safe and eective use of
the product. Failure to observe a caution may result in minor or moderate personal injury or
damage to the product or other property, and possibly in a remote risk of more serious injury,
and/or cause environmental pollution.
NOTE Notes highlight unusual points as an aid to an operator.
These Instructions for Use describe the most extensive configuration of the product, with the maximum number
of options and accessories. Not every function described may be available on your product.
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RaySafe Solo User Manual – Introduction

THE RAYSAFE SOLO
The RaySafe Solo is intended for measurements in medical X-ray imaging applications. The RaySafe Solo is not
intended for use during patient examination.
The RaySafe Solo consists of a base unit and a detector.
Communication between detector and base unit is purely digital, thereby minimizing sensitivity to mechanical
or electrical stress.
THE RAYSAFE SOLO DETECTOR OPTIONS
• The R/F detector has two sensors: R/F high is designed for conventional, high dose rate measurements.
R/F low is designed for low dose rate measurements. The RaySafe Solo R/F base unit can be equipped with
mA/mAs capabilities.
• The MAM detector is used for both low and high dose rates generated in mammography applications.
• The MAM dose detector is a Solo MAM detector, but measures only dose, dose rate and time.
• The Dose detector is an R/F detector, but measures only dose, dose rate, time and pulses.
• The RAD detector is designed for conventional, high dose rate measurements normally generated without a
phantom between the detector and the X-ray source.
• The CT detector is an ionization chamber, designed to measure CT dose for applications such as Dose
Length Product (DLP) and Computed Tomography Dose Index (CTDI).
• The DENT detector is designed for measurements on intraoral dental X-ray machines, OPG and Cone beam.
• The light detector is designed to measure luminance on LCD and CRT monitors, as well as light boxes, and
illuminance for diagnostic X-ray applications.
• There is also a RaySafe Solo mAs model for measuring mA/mAs, time and pulses.
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RaySafe Solo User Manual – The RaySafe Solo

EASY TO USE
The RaySafe Solo is very easy to use.
The built-in active compensation automatically applies corrections for dierent beam qualities, filtrations and
temperatures. During fluoroscopy measurements the displayed values are continuously updated.
If your instrument is equipped with the RaySafe Solo PC kit, data is sent on the serial port to your computer,
where RaySafe Xi View shows numerical data as well as waveforms.
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RaySafe Solo User Manual – The RaySafe Solo

GETTING STARTED
1. Connect the detector to the base unit with one of the two (2 and 10m) cables.
2. Position as required for the detector, see the following chapters.
3. Turn on the RaySafe Solo (ON/OFF key, see below), and the instrument specific setup information is
displayed. In the SENSOR MENU a detector or sensor field for your application can be selected.
4. The instrument is now in MEASURE MODE and ready to measure. Press STEP to scroll through measured
parameters (also possible during fluoroscopy). The last three displayed parameters will automatically show
up after the next exposure. To change setup values (SETUP MENU) such as various delays, displayed units
and other choices, press SELECT.
KEYS ON THE RAYSAFE SOLO BASE UNIT
ON/OFF: Turns on the RaySafe Solo and o when in SENSOR MENU.
EXIT: Exit to the previous menu.
STEP: A short press steps through available options.
SELECT: A long press selects an option.
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RaySafe Solo User Manual – Getting Started

BATTERY AND CHARGER
The RaySafe Solo base unit has a chargeable 7.4 V Li-ion battery, providing approximately 20 – 40 hours of
operation (depending on selected detector and whether Bluetooth is used). Since chargeable batteries have a
self discharge current, RaySafe strongly recommends fully charging the battery before first use. Battery level is
displayed, together with setup information, when the instrument is switched on.
There are two battery warning levels:
• First warning level, “Battery low”: Finish your measurements and then charge the battery.
• Second warning level, “Battery down”: No further measurements are recommended.
The provided battery charger may be connected during measurement. When connected, the external power
indicator is lit and Charging battery will be briefly displayed.
The battery will be charged even if the instrument is turned o. The charge time from empty to full is
approximately 4 hours.
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RaySafe Solo User Manual – Getting Started

R/F MEASUREMENT
Using R/F, RAD, Dose or DENT version.
For best accuracy, center the selected sensor field (R/F low, R/F high, RAD, DENT low or DENT high) and
position the long axis of the sensor field perpendicular to the anode-cathode axis of the tube.
1. SENSOR MENU
R/F low
(R/F and Dose)
Sensor for conventional low dose rate measurements < 1 mGy/s
(7 R/min), normally after a phantom.
R/F high
(R/F and Dose)
Sensor for conventional high dose rate measurements > 1 mGy/s
(7 R/min), normally before a phantom.
RAD Sensor for conventional high dose rate measurements > 0.1 mGy/s
(0.7 R/min), normally before a phantom.
DENT low Sensor for low dose rate measurements < 1 mGy/s
(7 R/min), normally after a phantom or for applications with high
(> 10 mm Al or equivalent) inherent filtration.
DENT high Sensor for high dose rate measurements > 1 mGy/s
(7 R/min), normally before a phantom.
Press STEP to step between sensors and SELECT to select a sensor.
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RaySafe Solo User Manual – R/F Measurement

2. MEASURE MODE
After an oset adjustment, the instrument is in MEASURE MODE. The displayed values are updated after each
exposure, or continuously after 4 seconds of fluoroscopy.
kVp kVp (for the R/F high, RAD or DENT high sensor at adequate signal levels) or kV (R/F
low or DENT low).
(Not available on RaySafe Solo Dose.)
Dose Gy (Air kerma, free in air) or R (Exposure)
Dose rate Gy or R per s, m or h
Time ms, s
HVL mm Al (only with optional HVL kit)
Pulses pulses
Total filtration mm Al (included in the optional HVL kit)
mAs mAs (requires RaySafe Solo R/F with mAs)
mA mA (requires RaySafe Solo R/F with mAs)
3. SETUP MENU
Press SELECT to enter the SETUP MENU (from MEASURE MODE) and STEP to step between setup
parameters.
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RaySafe Solo User Manual – R/F Measurement

All values are stored in a non-volatile memory and are valid until manually changed. At start up (after the
battery status information), valid Trig delay, kVp delay and Calc. delay are displayed in sequence.
(Factory settings in bold.)
Trig delay A delay in ms after the normal trig of the instrument. Utilize when an unwanted part
of an exposure, such as a pre-pulse, should be excluded from the measurement.
No measurements are performed during the Trig delay. (0, 5, 10, 50, 100, 200, 500,
1000, 2000 ms)
Trig level Use Trig level to measure correct exposure time on waveforms with slowly increasing
output, such as with single phase dental. The default setting is a low value, that
depends on the selected sensor; see Specifications. Can be set to 25, 50 or 75 % of
the peak value of the previous exposure. Use it with the same generator settings and
FDD. Not selectable before the first exposure or at low dose rates.
kVp delay Defined as the delay in ms, after the trig delay, but before the kVp measurement (and
waveform) window begins. Use a kVp delay on machines with slow rising output,
such as single phase intra oral machines and fluoroscopy systems. (0, 2, 5, 10, 50,
150, 300, 1000, 1200, 1500, 1700, 2000 ms)
Calc. delay Defined as the dead time after end trig, before data is calculated. Default is 0.5 s
but it is recommended to use a longer delay when measuring on pulsed fluoroscopy
where the time between pulses may exceed 0.5 s. (0.5, 2, 4, 6, 7 s)
Dose unit Change the default units and/or use this feature to recalculate a value to a dierent
unit. (Gy or R per s, m or h, where 1 Gy=114.1 R.)
Backlight Display lighting option. (o, 2, 5, 10 s, on)
Auto Power O Never, or after 5, 20 or 60 minutes of inactivity.
Info Displays the serial number (S/N) and firmware version of the connected detector and
the RaySafe Solo base unit and the calibration date for the selected sensor. There is
also a possibility to reset the instrument settings to factory defaults.
kVp Mode “kV only” prevents the instrument from calculating kVp, which otherwise occurs
automatically when R/F high is selected and the signal level is high enough (“kV/
kVp”). Useful for example when measuring near that signal level.
Not applicable for RaySafe Solo Dose.
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RaySafe Solo User Manual – R/F Measurement

MAMMOGRAPHY MEASUREMENT
6 cm
Place the detector along the X-ray tube axis (with the cable end pointing towards the X-ray machine). Make
sure that the center of the MAM sensor square is placed 6 cm from the examination table front edge.
1. SENSOR MENU
Mammography Sensor for mammography measurements with submenu for
selection of beam qualities, see list to the right (depending
on configuration). The choice of “paddle” or “no paddle” only
applies if the kV measurement is going to be made with or
without a paddle in the beam and does not aect dose or HVL
measurements.
Mo/Mo No Paddle
Mo/Mo Paddle
Mo/Rh
Mo/Al
Rh/Rh
Rh/Al
W/Rh No Paddle
W/Rh Paddle
W/Rh* No Paddle
W/Rh* Paddle
W/Ag
NOTE! Select W/Rh* for measurements on Fujifilm Amulet Innovality, Fujifilm Aspire Cristalle, Fujifilm
Aspire HD Plus, Fujifilm Aspire HD-s, Fujifilm Amulet f, Fujifilm Amulet s, Planmed Clarity 2D,
Planmed Clarity 3D, Planmed Nuance, Planmed Nuance Excel, IMS Giotto Tomo and Hologic
Selenia (W).
2. MEASURE MODE
The displayed values are updated after each exposure.
kV kV (Mo/Mo, W/Rh)
(Not available on RaySafe Solo MAM dose.)
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RaySafe Solo User Manual – Mammography Measurement

Dose Gy (Air kerma, free in air) or R (Exposure)
Dose rate Gy or R per s, m or h
Time ms, s
HVL mm Al (only with optional HVL kit)
3. SETUP MENU
Press SELECT to enter the SETUP MENU (from MEASURE MODE) and STEP to step between setup
parameters.
All values are stored in a non-volatile memory and are valid until manually changed. At start up (after the
battery status information), valid Trig delay, kVp delay and Calc. delay are displayed in sequence.
(Factory settings in bold.)
Trig delay A delay in ms after the normal trig of the RaySafe Xi. Utilize when an unwanted part
of an exposure, such as a pre-pulse, should be excluded from the measurement. No
measurements are performed during the Trig delay. (0, 5, 10, 50, 100, 200, 500, 1000,
2000 ms)
Trig level Use Trig level to measure correct exposure time on waveforms with slowly increasing
output, such as with single phase dental. The default setting is a low value, that
depends on the selected sensor; see Specifications. Can be set to 25, 50 or 75 % of
the peak value of the previous exposure. Use it with the same generator settings and
FDD. Not selectable before the first exposure or at low dose rates.
kVp delay Defined as the delay in ms, after the trig delay, but before the radiation and kV
waveform window (in the RaySafe Xi View) begins. (0, 2, 5, 10, 50, 150, 300, 1000,
1200, 1500, 1700, 2000 ms)
Calc. delay Defined as the dead time after end trig, before data is calculated. Default is 0.5 s but
it is recommended to use 2 s when measuring on generators with a pre-pulse. (0.5, 2,
4, 6, 7s)
Dose unit Change the default units and/or use this feature to recalculate a value to a dierent
unit. (Gy or R per s, m or h, where 1Gy=114.1R)
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RaySafe Solo User Manual – Mammography Measurement

Backlight Display lighting option. (o, 2, 5, 10 s, on)
Auto Power
O
Never, or after 5, 20 or 60 minutes of inactivity.
Info Displays the serial number (S/N) and firmware version of the connected detector and
the RaySafe Solo base unit and the calibration date for the selected sensor. There is
also a possibility to reset the instrument settings to factory defaults.
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RaySafe Solo User Manual – Mammography Measurement

CT MEASUREMENT
The RaySafe Solo CT detector is an ion chamber with a 10 cm active length and a built-in bias voltage. The
center and the edges (+ 5 cm and - 5 cm) of the active volume are marked on the phantom adapter.
An automatic correction of temperature and pressure will be applied for all dose measurements. The
temperature sensor is positioned inside the active ionization chamber and the measurement is corrected for
the true temperature inside the phantom. The pressure sensor is placed inside the RaySafe Solo CT detector
housing and is calibrated to show the actual pressure at the measurement facility’s altitude. Readings of
pressure can therefore vary from announcements in newspapers or web sites, which normally refer to the
pressure at sea level. The measured temperature and pressure for each exposure can be displayed when using
the RaySafe Xi View.
HOW TO MEASURE CT DOSE
Position the RaySafe Solo CT detector in the phantom adapter and then into the phantom position. Turn on the
meter and select CT dose.
For positioning of the RaySafe Solo CT detector free in air, Unfors RaySafe recommends the use of the RaySafe
flexi stand.
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RaySafe Solo User Manual – CT Measurement

1. SENSOR MENU
CT Dose Ion chamber sensor
Press STEP to step between sensors and SELECT to select a sensor.
NOTE! When turning on the base unit with the RaySafe Solo CT detector connected, “Stabilizing” will
be displayed for a few seconds while the electronics are stabilizing.
2. MEASURE MODE
After an oset adjustment, the instrument is in MEASURE MODE. The displayed value is updated after each
exposure.
Dose Gy (Air kerma, free in air) or R (Exposure)
Dose Length Product Gycm or Rcm
NOTE! The RaySafe Solo CT detector can be used in two dose modes (dose or dose length product
(DLP)), selectable in the SETUP MENU. Since the RaySafe Solo CT chamber is 10.0 cm long,
DLP readings (in Gy•cm or R•cm) will always be exactly 10 times higher than dose readings.
3. SETUP MENU
Press SELECT to enter the SETUP MENU (from MEASURE MODE) and STEP to step between setup
parameters.
All values are stored in a non-volatile memory and are valid until manually changed.
(Factory settings in bold.)
Calc. delay Defined as the dead time after end trig, before data is calculated. Default is
0.5 s but it is recommended to use a longer delay when measuring on pulsed
fluoroscopy where the time between pulses may exceed 0.5 s. (0.5, 2, 4, 6, 7 s)
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RaySafe Solo User Manual – CT Measurement

Dose unit Change the default units and/or use this feature to recalculate a value to a dierent
unit. (Dose: Gy, Gycm, R or Rcm, Temperature: °F or °C, Pressure: kPa or mmHg)
Backlight Display lighting option. (o, 2, 5, 10 s, on)
Auto Power O Never, or after 5, 20, 60 minutes of inactivity.
Info Displays the serial number (S/N) and firmware version of the connected detector
and the RaySafe Solo base unit and the calibration date for the sensor. There is
also a possibility to reset the instrument settings to factory defaults.
Temperature and pressure values are shown only in the RaySafe Xi View, not on the RaySafe Solo base unit
display.
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RaySafe Solo User Manual – CT Measurement

LIGHT MEASUREMENT
The RaySafe Solo light detector is designed to measure luminance on LCD and CRT monitors, as well as light
boxes, and illuminance for diagnostic X-ray applications.
The choice between luminance and illuminance is automatic depending on whether the luminance tube is
mounted or not.
1. SENSOR MENU
Illuminance For illuminance measurements.
LuminanceLCD For luminance measurements on LCD.
LuminanceCRT For luminance measurements on CRT display, light box or similar.
Barco For luminance measurements on Barco monitor.
MFGD 5621 HD, MDMG 5121, MFGD 5421, MDCG 3120, MDCG 2121 or MFGD 3621.
Press STEP to step between sensors and SELECT to select a sensor.
2. MEASURE MODE
Luminance cd/m2or fL
Illuminance lux or fc
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RaySafe Solo User Manual – Light Measurement

Press STEP when in MEASURE MODE to freeze and move the measured value to the second line of the
display. A new press on STEP will move a new measured value to the second line of the display. Store the
measured value (and send it via the RS-232 interface) in the RaySafe Solo memory by pressing SELECT. A
memory counter (Mem #) will be displayed at the very bottom of the display.
3. SETUP MENU
Press SELECT to enter the SETUP MENU (from MEASURE MODE) and STEP to step between setup
parameters.
BARCO
STEP •STEP •
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RaySafe Solo User Manual – Light Measurement