PXB 7.5M BETATRON |

PIPELINE CRAWLERS • BETATRON PORTABLE X-RAY • DIGITAL RADIOGRAPHY

The PXB7.5M portable X-Ray Betatron is designed to produce high energy ionising radiation for industrial radiographic non-destructive testing.

The PXB7.5M contains no moving parts (excluding cooling fan) and no circulating liquids, radiation outside the main beam are low, so safe working distances are moderate. After demarcation of dose rate boundaries, the betatron may be used at external sites or in fabrication workshops with little or no additional screening.

The PXB7.5M produces radiographs of very high contrast, sensitivity and resolution. Half Value Layer (HVL) STEEL: 32mm

The PXB7.5M is recommended for radiographic testing of weld joints and castings with a steel thickness of 50 to 300mm, concrete and other materials from 200 to 1200mm.

The irradiation field equals 250mm x 250mm @ 1M focal distance. In operation the PXB7.5M has no need for compensating filters that improves the uniformity of the radiation field.

The PXB7.5M is far less costly than other NDT accelerators such as 'Linacs'.

The PXB7.5M can replace cobalt isotope gamma sources which may not give acceptable quality and require costly periodic replenishment.

Compared to cobalt, the Betatron's shot time is drastically reduced and the extremely small focal spot size provides a sharper, higher quality radiograph, thus increasing production rate and profit.

APPLICATIONS:

JME’s range of Betatron systems have been supplied for a wide variety of applications within many sectors of the NDT industry. Examples of the work we have previously supplied systems for include but are not limited to the inspection of Large forgings, castings, valves, beams, ships hulls, pressure vessels, engine blocks, billets, thick welds, munitions, composites, propellants, reinforced concrete buildings, bridges and cargo/security scanning solutions.

PXB7.5M Betatron Technical Specification
Peak X-Ray Output 2 to 7.5MeV
Dose rate @ 1m >5R/minute
Focal Spot Size 0.3 x 3mm
Duty Cycle Radiation Beam 75% per hour
Beam Coverage 250 x 250mm @1m
Radiographic Sensitivity Down to 1%
AC Power Input 110V/230V 50/60Hz
Adjustment range of energy 2.0 to 7.5MeV in 0.1MeV increments
DIMENSIONS AND WEIGHT
Accelerator (Radiator) 600 x 400 x 230 90kg
PSU 590 x 380 x 360 60kg
Control panel 130 x 200 x 30 0.5kg

Required doses & associated optical density for D7 Agfa Gevaert film type
Exposure dose R Optical density of images rel. units Calibration conditions
1.4 1.5 Cassette loading order: 0.5Pb - film - 1.0mm Pb, inspected piece: Flat steel plate, 80mm thick developer: D19 Kodak. Fixer: Kodak unifix.
2.25 2.0
2.8 2.5
3.5 3.0

Required relative doses in comparison with D7 film under similar conditions
Film type D4 MX5 AX CX PT-1 PT-4M
Dose coefficient relative to D7 2.65 2.8 1.25 0.57 0.53 1.6




FOR MORE INFORMATION

Contact JME Advanced Inspection Systems on +44(0)1502 500969 or use our Contact Form


ADVANTAGES of BETATRON (CYCLOTRON) DISADVANTAGES of LINAC
Light-weight and compact Heavy and requires very large operating area.
Designed for portable (mobile) and
stationary applications
Only suitable for stationary applications.
NOT designed for portable use.
Cheaper to manufacture, repair and maintain Very expensive to manufacture, repair and maintain
Higher image resolution due to
a smaller focal spot size
Lower image resolution due to a larger focal spot size
More efficient power conversion Less efficient power conversion

BETATRON/CYCLOTRON

A Betatron Portable X-Ray System is a type of Cyclic Particle Accelerator, in some areas of the world, these systems are also referred to as a Cyclotron X-Ray System. Betatron systems include a Torus-shaped vacuum tube which house electrons as they are accelerated around a circular path using alternating current, and then ejected at a specific target once they have achieved the required velocity.

The main difference between the Betatron and Cyclotron systems is that the Cyclotron uses magnetic fields to bend the particles into a circular path and a pulsing electromagnetic field to increase the speed of the particles. The Betatron systems only use magnetic fields to increase the speed of particles.

For more information regarding the history and science behind the Betatron/Cyclotron, visit the relevant Wikipedia pages. wikipedia.org/Betatron   wikipedia.org/Cyclotron

PRODUCT DATASHEETS

Complete for instant access to Datasheet archive.


BETATRON PORTABLE X-RAY RANGE


JME Announcements


* indicates required field

REQUEST QUOTATION
JME BETATRON
PORTABLE X-RAY

Download and complete the PDF quotation request form.

Download Quotation Form
  • ISO Accreditation Logos

Location

JME Ltd.
Electron House
Old Nelson Street

Lowestoft
Suffolk
NR32 1EQ
UNITED KINGDOM

+44 (0)1502 500969

PROUDLY SUPPLYING THE NDT INDUSTRY FOR OVER 30 YEARS