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Item Details   ITEM DETAILS  

MODEL 117 RADIOGRAPHIC ALUMINUM STEPWEDGE

The aluminum stepwedge is the standard tool for evaluating the dynamic range (latitude) of a digital or film-screen imaging system. This wedge provides 11 steps in 3.2 mm increments. The number of distinguishable steps represents the dynamic range of the system. Images may be evaluated visually or by using a densitometer.
MODEL 117 RADIOGRAPHIC ALUMINUM STEPWEDGE
Model Number: Model 117
GOLDWEI Item No.: UPGX-117
 

Radiographic

Aluminum Stepwedge

Model 117

 

 

 

 

The aluminum stepwedge is the standard tool for evaluating the dynamic range (latitude) of a digital or film-screen imaging

system.  This wedge provides 11 steps in 3.2 mm increments.  The number of distinguishable steps represents the dynamic

range of the system.  Images may be evaluated visually or by using a densitometer.  The Gammex 117 Stepwedge provides

a useful means of comparing the characteristic curve of various film/screen combinations, mAs reciprocity, and if done very

carefully, sensitometry.  Note: To increase accuracy when evaluating filmscreen systems, a sensitometric pattern should

be placed on the film immediately before processing.

 

SPECIFICATIONS

Construction . . . . 6061 Aluminum Alloy

Steps. . . . . . . . . Eleven (11) steps, 3.2 mm high and 12.7 mm deep

Dimensions . . . . . 14x6 cm (5.5x2.4 in)

Weight. . . . . . . . 450 g

Radiographic Aluminum Stepwedge Model 117 The aluminum stepwedge is the standard tool for evaluating the dynamic range (latitude) of a digital or film-screen imaging system. This wedge provides 11 steps in 3.2 mm increments. The number of distinguishable steps represents the dynamic range of the system. Images may be evaluated visually or by using a densitometer. The Gammex 117 Stepwedge provides a useful means of comparing the characteristic curve of various film/screen combinations, mAs reciprocity, and if done very carefully, sensitometry. Note: To increase accuracy when evaluating filmscreen systems, a sensitometric pattern should be placed on the film immediately before processing.

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