DAILY INSPECTION INSTRUCTIONS

Introduction

The AEA Technology QSA, Inc. Model 880 Delta, Sigma and Elite 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 are portable, lightweight and permit use of several different isotopes commonly needed by the nondestructive testing community.

The Model 880 is primarily designed for use with Iridium-192 sources for radiographic inspection of steel and light alloys. Due to the advancements in radiographic inspection techniques, additional source assemblies for the Model 880 are available with Selenium-75, Ytterbium-169 and Cobalt-60. The use of these isotopes increases the capabilities of gamma inspection techniques of specific materials by using a wider range of radiation energies to achieve required inspection sensitivity.

The tubular stainless steel case of welded construction contains a cast radiation shield of depleted uranium. One end of the exposure device houses a locking mechanism mounted to the back plate from which the source assembly connector is accessible during usage. The opposite end of the exposure device houses an outlet port mechanism which is mounted to the front plate. The outlet port mechanism allows attachment of source guide tube (projection sheath) without an elevation of radiation levels.

The Model 880 Delta may be used with suitable source assemblies up to a maximum activity for the following listed isotopes:

Iridium-192:

150Ci

(5.55TBq)

Ytterbium-169:

20Ci

(0.74TBq)

Selenium-75:

80Ci

(2.96TBq)

Cobalt-60:

0.065Ci

(2.4GBq)

The Model 880 Sigma may be used with suitable source assemblies up to a maximum activity for the following listed isotopes:

Iridium-192:

130Ci

(4.81TBq)

Ytterbium-169:

20Ci

(0.74TBq)

Selenium-75:

80Ci

(2.96TBq)

Cobalt-60:

0.025Ci

(925MBq)

The Model 880 Elite may be used with suitable source assemblies up to a maximum activity for the following listed isotopes:

Iridium-192:

50Ci

(1.85TBq)

Ytterbium-169:

20Ci

(0.74TBq)

Selenium-75:

80Ci

(2.96TBq)

Cobalt-60:

0.025Ci

(925MBq)

A range of remote control units, source guide tubes (projection sheaths), collimators (beam limiters), service replacement units and accessories are available for these systems.

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