User's Manual
ARCOVIS 3000 S/R
Villa Sistemi Medicali
Pag. 62/76 - Rev. A
[File:201175-G-01-01.doc]
5.6. Image system
5.6.1. IMAGE INTENSIFIER (1)
Description
Triple 9/6/4”
Brand
Thales
Model
TH 9428 HP2
H542 VR13
Fields Number
3
Nominal Input Diameter
230 mm
Output Image Diameter
20 mm
Output Window Thickness
3,6 mm
Useful Input Field Size
215/160/120 mm
Typical Resolution (Central)
48/56/64 lp/cm
Conversion Factor (Cd/m
-2
/mR/s
-1
)
240/120/60
Contrast Ratio
23:1/25:1/30:1
Integral Image Distortion
4% / 2% / 1%
Differential Distortion at 90% radius
15% / 6% / 3%
DQE at 59.5 kV
65%
"All metal" Technology
Yes
Input Screen "Hi-Res."
Yes
MTF at 10 Lp/cm
60/65/70%
MTF at 20 Lp/cm
25/30/40%
Low frequency drop LDF
7/6/5%
Fixed Antiscattering Grid
Ratio 8:1, 36 shutters/cm,
focus 80 cm, material
aluminum
(1) According to IEC standard IEC from 1262-1 to 1262-6