Samsung SONOACE R7 User Manual download pdf (Page 181)

5-7

Chapter 5 Measurements and Calculations

Measurement Accuracy Table

The following tables show the accuracy of the measurements available using the product. Ensure that the

results of measurement accuracy checks are kept within the ranges specied in the table. Except for certain

applications or probes, the following accuracy ranges should be maintained for measurement of a straight

distance.

NOTE: To ensure accurate measurements, an accuracy check should be performed at least once

per year. If the measurement accuracy falls outside the ranges speciﬁed in the following table,

contact Samsung Medison Customer Service.

 2D Mode

Measurements

System Tolerance

(Whichever is greater)

Test Methodology

Accuracy

(1)

Based on

Range

(2)

Axial Distance < +/- 4% or 1mm Phantom Acquisition Full Screen

Lateral Distance < +/- 4% or 2mm Phantom Acquisition Full Screen

(1)

The accuracy of the measurements diers from the table above, depending on the user’s skills.

(2)

The distance is indicated as ‘cm’ up to two decimal points.

 M Mode

Measurements

System Tolerance

(whichever is greater)

Test

Methodology

Accuracy

(1)

Based on

Range

(2)

Depth <+/- 5% or 3 mm Phantom Phantom 1 - 25 cm

Time < +/- 5%. Signal generator Phantom .01 - 11.3 sec

(1)

The accuracy of the measurements diers from the table above, depending on the user’s skills.

(2)

The distance is indicated as ‘cm’ up to two decimal points. The speed is indicated as ‘cm/s’ up to two

decimal points.

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Samsung SONOACE R7 User Manual Page 181

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