Sigma projetor - Manual

TECHNICAL SPECIFICATIONS 1.1 Exposure Device Description The Model 880Delta, Model 880 Sigma, Model 880 Elite and Model 880 Omega are physically small, lightweight, portable industrial radiographic exposure devices. The ‘S’ tube design exposure device consists of a cast depleted Uranium (DU) shield ...

TECHNICAL SPECIFICATIONS 1.2 Applications The Model 880 devices are used for industrial applications of gamma radiography, mainly with Iridium-192, to inspect materials and structures in the density range of approximately 2.71 g/cm 3 through 8.53 g/cm 3 . The Model 880 devices also accommodate low e...

TECHNICAL SPECIFICATIONS 1.3 Model 880 Elite authorized contents Isotope Assembly Model Number Gamma Energy Range Half Life Approximate Steel Working Thickness Device/Source Maximum Capacity Ytterbium-169 91810 8-308 keV 32 days 2-20 mm 20 Ci 0.74 TBq Selenium-75 A424-25W 66-401 keV 120 days 3-29 mm...

TECHNICAL SPECIFICATIONS 1.5 Exposure Device Specifications Manufacturer Length Sentinel - QSA Global, Inc. 13.33 in (33.8 cm) all models 40 North Avenue, Burlington, Massachusetts, USA 01803 Primary Application Width Industrial gamma radiography 7.5 in (19.1 cm) all models Model Numbers Height Mode...

TECHNICAL SPECIFICATIONS 1.6 Construction A depleted Uranium (DU) shield is encased within a welded tubular stainless steel shell with stainless steel end plates. The interior void space is filled with rigid polyurethane foam. The exposure device body is encased in an engineered plastic jacket also ...

TECHNICAL SPECIFICATIONS 1.7 Warranty and Limitation of Liability QSA Global, Inc. (herein referred to as the manufacturer) warrants its product which it manufactures and sells to be free from defects in material and workmanship for a period of one year from the date of shipment. This warranty shall...

OPERATING INSTRUCTIONS 2.1 Job site safety precautions Instruments The radiographer and radiography assistants must at all times wear a film badge or TLD and pocket dosimeter with a range of 0-2 mSv (0-200 mRem). Regulatory requirements in the USA also require that an audible alarm ratemeter be worn...

OPERATING INSTRUCTIONS 2.2 It is essential that the 5 STEPS set out below are followed in the correct order to ensure safe operation and compliance with regulations. STEP 1 Exposure Device Survey STEP 2 Connecting the Source Guide Tube(s) STEP 3 Connecting the Remote Control Cable STEP 4 Projecting ...

OPERATING INSTRUCTIONS 2.3 STEP 2 Connecting the Source Guide Tube(s) Simultaneously pull and rotate the spring-loaded outlet port cover a quarter of a turn in a clockwise direction. Insert the bayonet fitting of the source guide tube Into the exposed outlet port. Align the GREEN MARKINGS on the bay...

OPERATING INSTRUCTIONS 2.4 STEP 2 WARNING Ensure that the available length of the control cable is greater than the total length of the source guide tubes. See the technical specifications section for details. If the remote control conduits are shorter than the total length of the source guide tubes...

OPERATING INSTRUCTIONS 2.5 STEP 3 Connecting the Remote Control Cable Unlock the plunger lock with the key. Turn the selector ring from LOCK to CONNECT The protective cover will disengage from the projector. 1 2 3

OPERATING INSTRUCTIONS 2.6 STEP 3 Connecting the Remote Control Cable Insert the protective cover into the lock housing during use of the device. Check the control cable and source assembly connectors using the NO GO gauge according to the daily inspection section. Remove the protective rubber cap f...

OPERATING INSTRUCTIONS 2.7 STEP 3 Connecting the Remote Control Cable Close the jaws of the control cable connector over the joined connectors. Slide the remote control connector assembly collar over the connector jaws. NOTE: The control cable connector, when properly installed with the selector rin...

OPERATING INSTRUCTIONS 2.8 STEP 4 Projecting and Retracting the Source Assembly Unlocking If engaged, unlock the exposure device’s plunger lock with the key. Rotate the selector ring to the OPERATE position. Ensure there is no tension/force in either direction on the control cable. Push the lock sli...

OPERATING INSTRUCTIONS 2.9 STEP 4 Projecting Rapidly rotate the control crank handle in the EXPOSE direction (counter-clockwise) to move the source assembly out of the exposure device to the radiographic focal position. The control crank handle will stop turning when the source reaches the source st...

OPERATING INSTRUCTIONS 2.10 STEP 4 Retracting At the end of the required exposure time, set the brake to OFF and rapidly turn the crank handle in the RETRACT (clockwise) direction until it no longer moves. You may hear the lock slide ‘click’ back into its original position depending on the ambient n...

OPERATING INSTRUCTIONS 2.11 STEP 5 Dismantling equipment Remote control unit Unlock the exposure device and then rotate the selector ring counter-clockwise from LOCK to CONNECT. The remote control connector will partially disengage from the exposure device's locking mechanism. Completely disengage t...

DAILY INSPECTION INSTRUCTIONS 3.1 Introduction The QSA Global, Inc. Model 880 Delta, Sigma, Elite and Omega radiographic exposure devices provide innovation to the most widely used family of radiographic exposure devices utilized for on-site gamma radiography. The Model 880 Series exposure devices a...

DAILY INSPECTION INSTRUCTIONS 3.2 Figure 3.1 Source assembly and remote control cable connectors 2 Exposure Device The source assembly is shown in the stored position in a titanium or ‘S’ tube at the center of the depleted Uranium shield of the exposure device. (See figure 3.2) A remote control unit...

DAILY INSPECTION INSTRUCTIONS 3.4 Transit Mode Rotating the handle of the remote control crank in the EXPOSE direction (counter-clockwise) moves the source assembly out of the shielded position in the exposure device and into the source guide tubes (projection sheaths). (See figure 3.3) The source a...

DAILY INSPECTION INSTRUCTIONS 3.5 Figure 3.4 Sealed source in the exposure mode Daily Inspection of the System A daily inspection of the gamma radiography system for obvious defects is essential to ensure the equipment is in a safe and proper operating condition. It is important that all radiographe...

DAILY INSPECTION INSTRUCTIONS 3.6 2 Inspect the labels on the exposure device or the transport case to ensure they are legible and securely attached to the unit. The warning label containing the trefoil should be legible from a distance of at least 3 ft (approximately 1 m). This label warns the indi...

DAILY INSPECTION INSTRUCTIONS 3.7 odometers to obtain an approximation of the travel distance. One full revolution of the crank handle is equal to approximately 10 in (25.4 cm) of travel. Two remote control conduits (sheaths, housings) are attached to the control crank. One conduit contains the work...

DAILY INSPECTION INSTRUCTIONS 3.8 2 Control Conduit Inspection : a. Inspect the control conduit where it is swaged onto the fittings that mount on the control crank. There should be no evidence of cracks or breaks in the PVC sheath. Also, look for bulges in that area that result from repeated flexin...

MAINTENANCE INSTRUCTIONS 4.1 Quarterly (Routine) and Annual (Complete) Maintenance Requirements Radiographic exposure devices and associated equipment must be maintained regularly by trained and qualified personnel to ensure consistent and safe operation of the radiographic system. The routine inspe...

MAINTENANCE INSTRUCTIONS 4.2 Routine (Quarterly) Maintenance Requirements 1 Remote Controls Disassemble, clean, inspect and maintain the remote control crank, control conduits and control cable according to the complete service section. Record the results of the inspection and any repairs that are p...

MAINTENANCE INSTRUCTIONS 4.3 f. Check the locking mechanism and plunger lock to verify attachment and operation. Grasp the entire mechanism with one hand and attempt to shift the mechanism. Retaining screws that have been loosened from excessive vibration or improper maintenance will allow the movem...

MAINTENANCE INSTRUCTIONS 4.4 Routine (Quarterly) Maintenance Records Records of all equipment inspected and maintained during the routine maintenance must be recorded. Records should indicate: • The date of inspection and maintenance. • Name and signature of the qualified individual performing the r...

MAINTENANCE INSTRUCTIONS 4.5 Leak Testing Leak Test of the Radioactive Sealed Source Periodic leak tests of the radioactive sealed source are required by most national and international regulations. The leak test provides a confirmation of the integrity of the hermetically welded sealed source by de...

MAINTENANCE INSTRUCTIONS 4.6 The analysis performed on the wipe test must be capable of detecting the presence of 0.005 µCi (185 Bq) of radioactive material on the test sample. If the test sample reveals 185 Bq (0.005 µCi ) or more of removable DU contamination, the exposure device must be removed f...

MAINTENANCE INSTRUCTIONS 4.7 Model 880 Series Annual Maintenance Requirements Model 880 Series exposure devices must receive inspection and maintenance at least once a year. The locking mechanism and outlet port mechanism must be removed from the exposure device and disassembled for proper cleaning,...

MAINTENANCE INSTRUCTIONS 4.9 7 Remove the front plate containing the outlet port mechanism from the empty Model 880 device by removing the four 5/16-18 x 1½ in socket button-head screws using the tamperproof tool bit mounted in a ratchet. After removing the outlet port mechanism, clean the ‘S’ tube ...

MAINTENANCE INSTRUCTIONS 4.10 8 Re-assemble the Model 880 exposure device by performing the following steps: Apply Permantex TM anti-seize thread lubricant to the first several end threads of the back plate’s (locking mechanism) four 5/16-18 x 1½ in socket button-head screws. Align and attach the lo...

MAINTENANCE INSTRUCTIONS 4.11 Annual Maintenance for the Remote Controls Tools required for complete maintenance of Models 692, 693, 664 remote controls: • 11/16 in open-end wrench for the control conduit swage fittings. • 1/2 in open-end wrench for the 5/16 in control crank handle bolt. • Slot scre...

MAINTENANCE INSTRUCTIONS 4.12 7 Perform the following inspections of the control cable: a. Use the Model 550 NO GO gauge to inspect the control cable connector for wear. Closely inspect the connector for bends or cracks in the neck (shank) area and dented areas on the ball of the connector. Remove t...

MAINTENANCE INSTRUCTIONS 4.13 Clean the interior of both remote control conduits by pouring 4-5 oz (100 ml) of clean solvent into one end. Use compressed air to blow the solvent through the entire length of conduits into a clean white cloth attached to the opposite end. Repeat this cleaning process ...

MAINTENANCE INSTRUCTIONS 4.15 Connect the RETRACT control housing to the control crank housing. Retract the control cable fully, watching for any binding that may indicate damage to the control housing. If applicable, reset the odometer to zero with the control cable fully retracted. Replace the pro...

MAINTENANCE INSTRUCTIONS 4.17 Annual Maintenance Records Records of all equipment inspected and maintained during the annual maintenance must be recorded. Records should indicate: • the date of the inspection and maintenance. • name of the qualified individual performing the required inspections. • ...

MAINTENANCE INSTRUCTIONS 4.19 REAR PLATE ASSEMBLY ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 1 88014 1 LOCK COVER ASSEMBLY 11 SCR003 4 SOCKET HEAD CAP SCREW 2 85701-5 1 SELECTOR RING RETAINER 12 SCR072 2 SOCKET HEAD CAP SCREW 3 88026 1 SELECTOR RING 13 SLV005 4 RUBBER SLEEVE 4 SPR...

MAINTENANCE INSTRUCTIONS 4.21 FRONT PLATE ASSEMBLY ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 1 88033 1 PORT COVER (SET SCREW TYPE) 8 PIN024 1 ROLL PIN • 88033A 1 PORT COVER (ROLL PIN TYPE) 9 SCR160 2 SOCKET HEAD CAP SCREW 2 SCR162 1 SET SCREW 10 88039 1 PIVOT DISK • PIN036 1 ROLL...

MAINTENANCE INSTRUCTIONS 4.23 CONTROL ASSEMBLIES ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 1 SCR125 4 1 5/8 IN BIND HEAD SCREW • 18 GEA-002 1 HELICAL GEAR 2 SCR008 4 1 1/4 IN BIND HEAD SCREW ο 19 PIN008 1 ROLL PIN 3 BLT008 1 HEXAGONAL BOLT 20 66404-1 1 GEAR SHAFT ο 4 WSH019 1 WAS...

SAMPLE TRANSPORTATION INSTRUCTIONS 5.1 The following instructions are samples for the transport of this radiographic exposure device/transport container and source assembly within the United States and are based on current transport regulations. Shippers of radioactive materials in regulatory jurisd...

SAMPLE TRANSPORTATION INSTRUCTIONS 5.2 Receipt of Radioactive Material NOTE 1 A radioactive material package must be accepted from the carrier at the time it is delivered. [10CFR20.1906(a)(1)] 2 If a radioactive material package is to be held at the carrier's terminal for pickup, arrangements must b...

SAMPLE TRANSPORTATION INSTRUCTIONS 5.3 Shipment of Radioactive Material 1 Prior to shipment of a Type B package within the USA, assure that you are a registered user of the radioactive material package you wish to ship. Also, assure that you have appropriate quality assurance procedures for Type B p...

SAMPLE TRANSPORTATION INSTRUCTIONS 5.5 The TI is the maximum radiation level measured in mRem/hr at a distance of 1m from the external surfaces of the package. When recording the TI, the dose rate units of mRem/hr are not listed, for example a reading of 20 µSv/hr (2 mem/hr) would indicate a TI = 2....

SAMPLE TRANSPORTATION INSTRUCTIONS 5.6 NOTE: For shipments in company vehicles to and from job sites, the shipper’s certification is not required. k. The shipping papers must indicate your company's emergency telephone number. The telephone number must have 24-hour coverage in case of an emergency c...

SAMPLE TRANSPORTATION INSTRUCTIONS 5.7 Shipment of Empty Uranium Shielded Containers 1 Assure that the package does not contain a radioactive source. Perform the following procedure to confirm there are no unauthorized source assemblies within the container: • Transfer the authorized source assembly...

SAMPLE TRANSPORTATION INSTRUCTIONS 5.8 ii. Required after 1 January 2007, the outside of the package must include the following label [IATA 10.7.4.4.3]: 6 If the surface radiation level exceeds 5 µSv/hr (0.5 mRem/hr), or if there is a measurable radiation level at 1m from the surface, use the criter...

SAMPLE TRANSPORTATION INSTRUCTIONS 5.9 ix. For air shipments, the package must be labeled with a ‘Cargo aircraft only’ label and the shipping papers must state: ‘This shipment is within the limitations prescribed for cargo only aircraft’. x. Your company's 24-hour emergency telephone number. xi. The...

SAMPLE TRANSPORTATION INSTRUCTIONS 5.10 3 Place the transport package in the vehicle. Properly brace and secure the package against movement in the vehicle. [49CFR177.842(d)] 4 Survey the driver's compartment to assure that the radiation level does not exceed 0.02 mSv/hr (2 mRem/hr). [49CFR177.842(g...

SAMPLE TRANSPORTATION INSTRUCTIONS 5.11 Radioactive material transport checklist Date Operator Destination Transport Container Model Serial Number Radionuclide Activity Type of Label Applied Transport Index Survey Meter Model Serial Number Calibration Date Film Badge Dosimeter Serial Number Initial ...

DEFINITIONS AND TERMS 6.1 Area alarm An area radiation level monitor that provides a highly visual warning when the radiation level exceeds a pre-set threshold. Commonly referred to as Gammalarms, use is required by most jurisdictions in permanent radiographic installations and they are often used i...

DEFINITIONS AND TERMS 6.3 Source assembly A source holder with a sealed source attached or included. In cases where the sealed source is directly attached to the control cable without the use of a source holder, the source assembly is the control cable with the sealed source attached. In cases where...

EMERGENCIES AND PERSONNEL SAFETY 7.1 Emergencies During the termination of a radiographic exposure, observation of the survey meter provides an indication of source movement while cranking the remote control handle. After retracting the sealed source into the exposure device, radiographers are requi...

EMERGENCIES AND PERSONNEL SAFETY 7.2 Access to Restricted Areas The site where radiography is performed must be separated from other work areas by as much distance as possible. If applicable, check for occupation of the areas above and below the radiography site. Clearly defined boundaries must be s...

INSTRUCTIONS FOR DISPOSAL 8.1 Disposal By international regulations, radioactive materials that are no longer required must be transferred to a licensed recipient for final disposition. Cobalt-60 source assemblies that have depleted beyond their useful working life may be returned to authorized reci...

MAN-027-May 2007 Sales SENTINEL™ QSA Global, Inc. 6765 Langley Drive Baton Rouge, Louisiana 70809 USA Telephone + 1 225 751 5893 Toll Free + 1 800 225 1383 Fax + 1 225 756 0365 or + 1 225 751 8082 Manufacturing SENTINEL™ QSA Global, Inc. 40 North Avenue, Burlington, Massachusetts 01803 USA Telephone...