Samsung PT60A Manual de usuario descargar pdf (Pagina 123)

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 when measuring

straight distances.

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 department.

 2D Mode

Measurements

System Tolerance

(Whichever is greater)

Test

Methodology

Accuracy

Based on

Range

Axial Distance < ± 4% or 1mm Phantom Acquisition Full Screen

Lateral Distance < ± 4% or 2mm Phantom Acquisition Full Screen

 M Mode

Measurements

System Tolerance

(whichever is greater)

Test

Methodology

Accuracy

Based on

Range

Depth < ± 5% or 3 mm Phantom Acquisition 1 ~ 25 cm

Time < ± 5% Signal generator Acquisition 0.01 - 11.3 sec

 PW Spectral Doppler Mode

Doppler Measurement

System Tolerance

(whichever is greater)

Test Methodology Range

Velocity < ± 15% Phantom 0.1cm/s - 8.8 m/s

Time < ± 5% Signal generator 0.01 ~ 11.3 sec

1 2 ... 118 119 120 121 122 123 124 125 126 127 128 ... 227 228

Sin comentarios

Samsung PT60A Manual de usuario Pagina 123