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RaySafe Xi Prestige X-ray measurement system

The RaySafe Xi is a complete system for multiparameter measurements on all X-ray modalities.

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RaySafe Xi Prestige X-ray Measurement System

Meet the family!

The RaySafe Xi is a complete system for multiparameter measurements on all X-ray modalities. It simultaneously measures everything from kVp and dose to HVL and waveforms. It is preferred by leading experts from all over the world. Invest just a few seconds of your life in RaySafe Xi, and it may completely change it. At least in the way you measure on X-ray equipment. – a wide range of detectors for different applications.

“I have used Unfors RaySafe’s test equipment for the last 10 years. The products on offer from this manufacturer allow the full diagnostic testing of all radiation producing equipment and the sensitivity for evaluation of premises used in Radiology. Jeff Gibson and his team @ INMED in Australia have provided me with exceptional service and back up. When equipment is away on calibration INMED has been able to provide loan units on all the equipment he sells. Being a “one man show this has been invaluable. Jeff has kept me up to date with the various modality changes and provided equipment for evaluation to assist me to meet the demands of this ever changing industry. I purchased a few new “toys (as my wife likes to call them) from INMED recently: a vacuum holder and a translucent probe. These two items have fitted in with my “kit very nicely (actually I wonder how I ever got along without them). My kit is able to assess all radiation producing apparatus at the highest standard and every permutation of these devices. This is the best equipment on offer.

Rod White, Independent Compliance Tester, Shorebout Pty Ltd

Detectors:

The base unit is the heart of the RaySafe Xi system. Simply connect any of the detectors and you’ll be up and running in no time. The three row back-lit alphanumerical display clearly presents all measured parameters. All functions are accessed by pressing one of the two buttons on the RaySafe Xi.

The RaySafe Xi supports both RS-232/USB and the optional Bluetooth data communication protocols. The RaySafe Xi view software provided is used to record measured data, waveforms and test results in Excel™ as well as controlling the instrument using the new bi-directional serial interface.

There are two versions of the RaySafe Xi base unit – one with and one without mAs capabilities. Both are fully compatible and interchangeable with all RaySafe Xi detectors.

RaySafe Xi R/F detector

RaySafe Xi R/F detector From the lowest to the highest without corrections.

RaySafe Xi MAM detector

RaySafe Xi MAM detector Direct HVL measurements on all mammographic beam qualities.

RaySafe Xi CT detector

RaySafe Xi CT detector CT dose made easy.

RaySafe Xi Transparent detector

RaySafe Xi Transparent detector Virtually transparent to X-rays.

RaySafe Xi Survey detector

RaySafe Xi Survey detector Small and precise solution for survey measurements.

RaySafe Xi Light detector

RaySafe Xi Light detector High precision and convenience for testing medical monitors and more.

RaySafe Xi mAs detector

RaySafe Xi mAs detector Invasive measurement of tube current.

RaySafe Xi View Software

RaySafe Xi View is a stand-alone software which displays and stores all exposure data including kV, radiation and mA waveforms measured by the RaySafe Xi. Data is stored in an XML or CSV format for later retrieval, analysis and reports.

Furthermore, RaySafe Xi View enables you to control your RaySafe Xi remotely from a PC and to transfer measured dose data directly into Excel™ for additional reports.

There are two options of connecting your RaySafe Xi using the RaySafe Xi View: With the RS-232 cable to the PC or with an optional Bluetooth module directly to the RaySafe Xi serial port.

RaySafe Xi View Software

Download the latest version of the RaySafe Xi View software here »

 

 

 

Features

The values of the RaySafe Xi

Modular

Whether you start with a base unit and one detector, or a Prestige Kit for all modalities, the RaySafe Xi makes it easy for you to grow your system over time or as your needs change. Additional detectors and options can be added at any time to enhance the capabilities of your system. This makes the RaySafe Xi a smart investment now, and for the future.

Preferred

In 2011, the RaySafe Xi became the most widely-used Diagnostic X-ray quality assurance tool in the world. Leading manufacturers of X-ray equipment around the world have standardized on the RaySafe Xi from their R&D, to their factory to their field service technicians. The majority of diagnostic physicists and government inspectors also use the RaySafe Xi in their daily work. This makes any needed measurement comparison between biomedical engineers, physicists, inspectors and field service engineers simple and consistent.

Simple

A good tool should simplify your life, not complicate it. The RaySafe Xi goes from set up to results in under a minute. With its intuitive user interface and two key operation, it is easy to learn and master. RaySafe Xi view software shows waveforms and easily exports data to Excel for reporting. Because we understand that you want to focus on interpreting the measured data instead of worrying about how to obtain it.

Accurate

The RaySafe Xi solid state technology offers many benefits, including durability, a smaller footprint, and enhanced sensitivity. But did you know that our proprietary solution also provides increased accuracy? All RaySafe Xi detectors use multiple sensors and have our “Active Compensation system. This provides a flat energy dependence, not only for radiography and fluoroscopy but also in the mammography range. It also gives our users the ability to measure multiple parameters all in one instrument including HVL – on the fly.

Durable

QA instrumentation needs to withstand life on the road – and its inevitable bumps. The RaySafe Xi is prepared for the most demanding applications. From its durable case with its custom foam insert to hold detectors and accessories, to the robust design of the base unit and solid state detectors, the RaySafe Xi can easily manage the unavoidable drops and mishaps.

At your service

Keeping your instrument performing and looking like new is easy with our annual service program and extended warranty. Simply send in your instrument annually for calibration and we will extend the full warranty for another year for up to 5 years. Your annual service includes the most comprehensive calibration in the industry, firmware updates, and free replacement of any damaged or unsightly parts in your instrument and in your case. Our service customers benefit from a faster turnaround time and an ISO 17025-certified calibration facility using NIST/PTB calibration standards. Because your reputation and the quality of your service depends on a well-calibrated and maintained instrument.

 

Specifications

Xi General Specifications
EMC Tested According to EN 61000-6-1:2007 and EN 61000-6-3:2007
Exposures needed One
Reset Automatic
Temperature range 15 – 35 °C (59 – 95 °F)
Detector cable length 2 and 10 m (6.5 and 33 ft)
Software RaySafe Xi view for recording measured data and
waveforms. RaySafe Xi view also exports data to
Microsoft Excel.
Data transfer RS-232 or Bluetooth
Data format XML
Patent Germany DE69430268.6-08, UK 0758522,
Japan 3449721,
Sweden 9302909-8, France 075822,
USA 5761270
PTB Approval 23.04
08.02

 

Xi Base Unit
Size 28 x 74 x 142 mm (1.1 x 2.9 x 5.6 in)
Weight 250 g (9 oz)
Power off Never, or after 5, 20 or 60 min of inactivity
Power source Rechargeable 7.4 V Li-ion battery
Battery time 20 – 40 hours (depending on detector and if
Bluetooth is used)
Read out Three row alphanumerical backlit display with
four digits numerical resolution

X2 mA/mAs Detector
Range mA 0.2 – 2000 mA
Uncertainty mA 1 % or ± 0.02 mA
Range mAs 0.05 – 9999 mAs
Uncertainty mAs 1 % or ± 0.02 mAs
Max load < 200 mA continuously,
500 mA < 1 s, 1000 mA < 0.5 s
Reproducibility < 0.5 %
Over voltage protection 70 V
Exposure time
Range 1 ms – 999 s
Uncertainty 0.5 % or 0.2 ms
Pulse
Range 1 – 9999 pulses
Peak trig level > 8 mA
Frame rate
Range 1/6 – 120 frames/s
mAs per frame
Range 0.001 – 2000 mAs/frame
Waveform
Bandwidth 1 kHz
Memory depth 1200 ms

Xi R/F Detector
Size 12 x 22 x 117 mm (0.5 x 0.9 x 4.6 in)
Weight 50 g (2 oz)
Dose (R/F low)
Range 10 nGy – 9999 Gy (1 μR – 9999 R)
Trig level 100 nGy/s (0.7 mR/min)
Uncertainty 5 %
(40 – 150 kVp, HVL: 1.5 – 14 mm Al¹,
Active Compensation) or ± 10 nGy (1 μR)
Dose (R/F high)
Range 10 μGy – 9999 Gy (1 mR – 9999 R)
Trig level 100 μGy/s (0.7 R/min)
Uncertainty 5 %
(40 – 150 kVp, HVL: 1.5 – 14 mm Al¹,
Active Compensation) or ± 10 μGy (1 mR)
Dose rate (R/F low)
Range 10 nGy/s –1 mGy/s (70 μR/min – 7 R/min)
Min. Peak Trig level 100 nGy/s (0.7 mR/min)
Uncertainty 5 %
(40 – 150 kVp, HVL: 1.5 – 14 mm Al¹,
Active Compensation) or ± 10 nGy/s (70 μR/min)
Dose rate (R/F high)
Range 20 μGy/s – 1000 mGy/s² (140 mR/min – 7000 R/min)
Min. Peak Trig level 100 μGy/s (0.7 R/min)
Uncertainty 5 %
(40 – 150 kVp, HVL: 1.5 – 14 mm Al¹, Active
Compensation) or ± 10 μGy/s (70 mR/min)
kV/kVp
Range 35 – 160 kV/kVp
(for up to 0.5 mm Cu or equivalent)
60 – 130 kV/kVp (for 0.5 – 1 mm Cu or equivalent)
Uncertainty 2 % (for up to 0.5 mm Cu or equivalent, Active
Compensation)
3 % (for 0.5 – 1 mm Cu or equivalent, Active
Compensation)
Sensitivity (R/F low) 0.4 mA, 40 kV, 40 cm (15.7 in), no added filtration
Sensitivity (R/F high) 0.8 mA, 70 kV, 50 cm (19.7 in), no added filtration
Exposure Time
Range 1 ms – 999 s
Uncertainty 0.5 % or 0.2 ms
Pulse
Range 1 – 9999 pulses
Peak trig level (R/F low) > 3 μGy/s
Peak trig level (R/F high) > 1 mGy/s
Frame rate
Range 1/6 – 120 frames/s
Dose per frame
Range 1.0 nGy – 9999 Gy (0.10 μR – 9999 R) per frame
HVL
Range 1.0 – 14.0 mm Al
Uncertainty 10 % (at signal levels above 1/1000 of max dose
rate for selected sensor)
Total filtration
Range 1.5 – 35 mm Al (60 – 120 kV)
Uncertainty 10 % or ±0.3 mm Al (at signal levels above 1/1000
of max dose rate for selected sensor)
Waveforms
Bandwidth (R/F low) 0.1 kHz
Bandwidth (R/F high) 2.5 kHz
Memory depth 1200 ms

 

¹ 45 mm Al added filtration at 145 kVp gives a HVL of ~13 mm Al.
² 1000 mGy/s up to 70 kVp, 400 mGy/s at 100 kVp, 250 mGy/s at 140 kVp.

Xi Mammography Detector
Size 12 x 22 x 117 mm (0.5 x 0.9 x 4.6 in)
Weight 50 g (2 oz)
Dose
Beam qualities Basic: Mo/Mo, Mo/Al, Mo/Rh, Rh/Rh,
Rh/Al, W/Rh
Options: M-Pro: W/Rh, Mo/Rh, W/Ag
M-Pro Plus: W/Rh, Mo/Rh, W/Ag,
W/Al, Combo
Scanning: W/Al
Range 5 μGy – 9999 Gy (0.5 mR – 9999 R)
Trig level 10 μGy/s (70 mR/min)
Uncertainty 5 % or ± 5 μGy (0.5 mR)
(20 – 40 kV: Mo/Mo
22 – 49 kV: Mo/Al, Rh/Rh, Rh/Al
22 – 40 kV: Mo/Rh, W/Rh, W/Ag,
20 – 49 kV: W/Al, Combo
0 – 2.5 mm Al added filtration,
Active Compensation
Combo: 0-0.1 mm Al added filtration,
Active Compensation)
Uncertainty (W/Al scanning) 5 % or ± 5 μGy (0.5 mR)
(22 – 40 kV, 0.5 mm Al total filtration)
Dose rate
Range 10 μGy/s – 100 mGy/s (70 mR/min – 700 R/min)
Trig level 10 μGy/s (70 mR/min)
Uncertainty 5 % or ± 5 μGy/s (35 mR/min)
(20 – 40 kV: Mo/Mo
22 – 49 kV: Mo/Al, Rh/Rh, Rh/Al
22 – 40 kV: Mo/Rh, W/Rh, W/Ag,
20 – 49 kV: W/Al, Combo
0 – 2.5 mm Al added filtration, Active
Compensation
Combo: 0–0.1 mm Al added filtration, Active
Compensation)
Uncertainty (W/Al scanning) 5 % or ± 5 μGy/s (35 mR/min)
(22 – 40 kV, 0.5 mm Al total filtration)
kVp
Beam qualities Basic: Mo/Mo
Options:M-Pro: Mo/Rh, W/Rh
M-Pro Plus: Mo/Rh, W/Rh, W/Al
Scanning: W/Al
Range (Mo/Mo) 20 – 40 kV
Uncertainty (Mo/Mo) 2 % or 0.5 kV (no paddle)
2 % or 0.7 kV (paddle)
(Active Compensation for inherent Mo filtration
of 25 – 35 μm. User selectable paddle
compensation.) ³
Range (Mo/Rh) 25 – 40 kV
Uncertainty (Mo/Rh) 2 % or 0.5 kV
(Active Compensation for inherent Rh filtration of
25 – 30 μm.)
Range (W/Rh) 20 – 40 kV
Unce rtainty
(W/Rh)		 2 % or 0.5 kV (no paddle)
2 % or 0.7 kV (paddle)
(Active Compensation for inherent Rh filtration
of 55 – 60 μm. User selectable paddle
compensation.) ³
Range (W/Al) 20 – 49 kV
(Measuring 40 – 49 kV requires an
R/F detector)
Uncertainty (W/Al) 2 % or 0.5 kV (no paddle)
2 % or 0.7 kV (paddle)
(Active Compensation for inherent Al filtration
of 0.65–0.75 mm. User selectable paddle
compensation.) ³
Range (W/Al scanning) 20 – 40 kV
Uncertainty (W/Al scanning) 2 % or 0.7 kV
(0.5 mm Al total filtration)
Sensitivity 10 mA, 28 kV, 65 cm (25.6 in),
no added filtration
HVL
Beam qualities Basic: Mo/Mo, Mo/Al, Mo/Rh, Rh/Rh,
Rh/Al, W/Rh
Options:
M-Pro: W/Rh, Mo/Rh, W/Ag
M-Pro Plus: W/Rh, Mo/Rh, W/Ag,
W/Al
Scanning: W/Al
Range 0.2 – 1.2 mm Al, depending on beam quality
Uncertainty 5 %
(for up to 2.5 mm Al added filtration to each beam
quality)
Range (W/Al scanning) 0.32 – 0.58 mm Al
Uncertainty (W/Al scanning) 5 % (with 0.5 mm Al total filtration)
Exposure time
Range 1 ms – 999 s
Uncertainty 0.5 % or 0.2 ms
Waveform
Bandwidth 2.4 kHz
Memory depth 1200 ms

 

³ Definition: Paddle = 0.1 mm Al

Note! Variation in paddle thickness and homogeneity may affect kV results.
To achieve the most accurate result, kV measurements without paddle is
recommended.

Xi Transparent Detector
Size 200 x 20 x 12 mm (7.9 x 0.8 x 0.5 in)
Weight 40 g (1.5 oz)
Dose
Range 10 nGy – 9999 Gy (1 μR – 9999 R)
Trig level 1 μGy/s (7 mR/min)
Uncertainty 5 %
(60 – 150 kVp, HVL: 2 – 10 mm Al*)
Dose Rate
Range 100 nGy/s – 20 mGy/s (0.7 mR/min – 140 R/min)
Min. peak trig level 1 μGy/s (7 mR/min)
Uncertainty 5 %
(60 – 150 kVp, HVL: 2 – 10 mm Al*)
Exposure time
Range 1 ms – 999 s
Uncertainty 0.5 % or 0.2 ms
Pulse
Range 1 – 9999 pulses
Peak trig level > 3 μGy/s
Uncertainty 1 pulse
Frame rate
Range 1/6 – 120 frames/s
Dose per frame
Range 1.0 nGy – 9999 Gy (0.10 μR – 9999 R) per frame

 

* 13 mm Al added filtration at 145 kVp gives a HVL of ~10 mm Al.

Xi CT Detector
Size 200 x 20 x 12 mm (7.9 x 0.8 x 0.5 in)
Size Ø 7.5 mm (0.30 in)
Size Ø phantom adapter 12.5 mm (0.49 in)
Effective length 100 mm (3.94 in)
Weight 50 g (1.75 oz)
Range 10 μGy – 9999 Gy
(1 mR – 9999 R)
20 μGy/s – 100 mGy/s
(140 mR/min – 680 R/min)
Uncertainty 5 %
(at reference point RQT9; 120 kV,
3.7 mm Al and 0.25 mm Cu)
Energy dependence < 5 % (at 80 kV to 150 kV; RQA, RQR and RQT
qualities)
Radial uniformity ± 2 %
Axial uniformity ± 3 %, within rated length
Influence of relative humidity < 0.3 % (for RH < 80 %)
Uncertainty in temp. and pressure
correction		 2 %
Pressure range 80.0 – 106.0 kPa
International Standard Fulfills requirements in IE C 61674

 

RaySafe Xi CT detector comes with a phantom adapter to fit a standard head and/or body phantom.

Xi Light Detector
Weight 170 g (6 oz)
Relative air humidity range < 80 %
Uncertainty Illuminant A 3 %
Detector memory 30 measurements per sensor
Classification Class B (according to DIN 5032, part 7)
Max. deviation from the CIE curve for
the human eye (V(λ))		 4 % (see figure Photopic Response)
Size
Light detector 30 x 104 x 21 mm (1.2 x 4.1 x 0.83 in)
Luminance tube Ø = 29 mm (1.1 in) L = 84 mm (3.3 in)
Shadow ring Ø = 50 mm (2 in)
Luminance
Range (auto) 0.05 – 50 000 cd/m²
Resolution 0.01 cd/m²
Luminance detector optics Ø 10 mm (0.4 in) measuring field. Contact
measurement focusing lens 1:1.
Illuminance
Range (auto) 0.05 – 50 000 lux
Resolution 0.01 lux
Max. deviation from cosine angular
response		 1.7 % (see figure Cosine Response)

 

Xi Survey Detector
Size 13 x 66 x 175 mm (0.5 x 2.6 x 6.9 in)
Diameter 65 mm (2.6 in)
Weight 65 g (2.3 oz)
Trig Manual, no threshold
Average photon energy 13 keV – 1.25 MeV
Minimum response time 0.5 s
Sound ticker frequency 0.5 – 2000 Hz
International Standard Fulfills requirements in IE C 60601-1-3
Max. resolution 0.001 μSv
Dose
Range 0 μSv – 9999 Sv
(0 μGy – 9999 Gy)
(0 nR – 9999 R)
Uncertainty (Mammography) 10 % (< 25 keV)
Uncertainty (R/F) 10 % (25 – 120 keV)
Uncertainty (Nuclear Med.) 20 % ( > 120 keV)
Dose Rate
Range 0 μSv/h – 0.15 Sv/h
(0 μGy/h – 0.1 Gy/h)
(0 nR/h – 11 R/h)
Uncertainty (Mammography) 10 % or 0,3 μSv/h (> 1 μSv/h, < 25 keV)
Uncertainty (R/F) 10 % or 0,3 μSv/h (> 1 μSv/h, 25 – 120 keV)
Uncertainty (Nuclear Med.) 20 % or 0,3 μSv/h (> 1 μSv/h > 120 keV)

 

Xi View Software
Compatible with Windows 7, Windows Vista,
Windows XP, Windows 2000,
Windows 98 (Second Edition, OSR 2)
File format XML
Communication RS -232 (115200/8-N-1) or Bluetooth
Bluetooth
Connector 9-pin D-SUB, pre-configured for communication
with Xi View
Operating distance 100 m nominal (actual performance depends on
environment and receiving Bluetooth module)

 

Models and Accessories

Model Name Description
RaySafe Xi Transparent Detector RaySafe Xi Transparent Detector
easy and fast dose and dose rate measurements without disturbing the kVp, mA, or mAs parameters of an ABC or AEC exposure, designed to measure scattered radiation
RaySafe Xi Survey Detector RaySafe Xi Survey Detector
scatter and leakage measurements in X-ray and nuclear medicine applications.
RaySafe Xi R/F Detector RaySafe Xi R/F Detector
kVp, dose, dose rate, pulse, pulse rate, dose/frame, time, HVL, total filtration and waveforms simultaneously
RaySafe Xi Mammography Detector RaySafe Xi Mammography Detector
simultaneously measures kVp (Mo/Mo), dose, dose rate, HVL, time and waveforms
RaySafe Xi mA/mAs Detector RaySafe Xi mA/mAs Detector
mA, mAs, time, pulse, pulse rate, mAs/pulse and waveforms.
RaySafe Xi Light Detector RaySafe Xi Light Detector
measures illuminance and contact luminance measurements on CRT and LCD monitors as well as testing view boxes and collimators.
RaySafe Xi CT Detector RaySafe Xi CT Detector
a hybrid ion chamber designed to measure both temperature and pressure

 

Service Packages
Care Plans Request a quote

 

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