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SENTINEL™ Model 880 Delta, Sigma and Elite source projectors are portable, lightweight and compact industrial radiographic exposure devices. The patented device body consists of a titanium ‘S’ tube and cast depleted uranium (DU) shield contained within a 300 series stainless steel tube with stainless steel discs welded at each end forming a cylinder shaped housing. The discs are recessed to provide protection for the rear mounted locking mechanism and front mounted outlet port.
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The Model 959M portable gamma radiographic exposure device is specifically designed as a Small Controlled Area Radiography (SCAR) system. The SCAR projector is used primarily for the radiography of standard or difficult joint geometries without disruption and the need for large barrier areas.
The SCAR system is comprised of a Model 959M projector, a pneumatic control unit and a series of clamps to fit a variety of pipe sizes.
The system may be used with a maximum of 15 curies of Iridium-192 or 81 curies of Selenium-75. Lower activity sources with smaller focals are available.
FEATURES
- Allows for 24 Hour radiography
- Highly directional beam
- Reduces radiation dose
- Sealed source does not leave the device during exposures
- No flash dose during exposure or retraction of sealed source
- More production time for all trades
- Locks to prevent unauthorized operation
- Inspection through insulation for corrosion
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The SENTINELTM Model 680B source projector combines the penetrating radiation of Cobalt-60 with the mobility provided by the use of depleted uranium shielding. It is designed for the radiography of steel from 1 in to 7 in (25 mm to 175 mm) thick and light alloys 3 in to 15 in (75 mm to 375 mm) thick. All components have been developed to provide safe, reliable service and long life under the harsh conditions of industrial use. The durable case is designed to ease rigging operations.
A lock is incorporated to prevent use by unauthorized personnel. The source cannot be projected until the control cable is correctly connected. The projector can not be locked or the control cable disconnected until the source is safely stored. Projectors with codes that include the letter A or B are fitted with the unique Posilock device which automatically secures the source assembly in the stored position on retraction.
Remote controls allow the operator to control the source at a distances of 35 ft (10.7 m) or 50 ft (15.2 m). When the source is in the exposure position the control can be a total distance of 46 ft (14 m) using 25 ft controls, 63 ft (19.2 m) using 35 ft controls, or 99 ft (30 m) using 50 ft controls.
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A control unit is comprised of the hand crank and gearbox, a pair of control housings, a teleflex drive cable and a safety connector assembly.
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Source guide tubes are flexible stainless steel tubes with a protective polyvinyl covering and are available to fit all SENTINELTM projector units.
Intermediate and termination source guide tubes, which are interconnectable to provide required length, are available. The intermediate section tube has a male connector at one end and a female connector at the other, and can be used with a disconnectable source stop as a guide tube termination.
The extreme condition source guide tube is designed for use in extreme weather conditions. It has a temperature range of -60o to 135o C (-76o to 275o F).
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Collimators contain and direct the beam of radiation during exposure. A wide range of collimators have been developed to meet the variety of applications and techniques used.
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