PROTEUS XR/a
GE MEDICAL SYSTEMS
Operator Manual
REV 11
DIRECTION 2259724-100
14-11
14- 6 Collimator Specifications
14-6-1 PROTEUS XR/a Automatic Collimator
See Table 14-21.
TABLE 14-21
AUTOMATIC COLLIAMTOR ELECTRICAL SPECIFICATIONS
Parameter Specification
Multileaf collimator
Digital version with automatic formats collimation system and light localizer for
rectangular collimation with linear light localizer and rails for secondary filters
Operation mode
Automatic
Manual
Maximum field size
50 cm x 50 cm with a 1.0 m SID
Smallest field size
3.0cm x 3.0 cm with a 1.0 m SID
Angle of rotation
±
180° around central beam axis (Detent: 90 degree)
Aperture angle
28° / 28°
SID tape measure
Yes
Indication marked
100/150/180cm
Collimation
data for SID=100cm
Positioning Accuracy
<1.2% of the SID
Radiological Properties
Inherent Filtration
1.0 mmAl with 75 KV
Light Localizer
Light Field Accuracy
Light field to X-Ray field alignment within 10mm.
Brightness >160
lux@100cm
Centering indication
Shadow crosshair 3x3cm to 50x50cm
Bucky centering laser light
Yes
Mounting
Attaches directly to tube units listed in generator tube compatibility list.
Panel Lights
Color-coded: Manual/amber, Exposure Hold/red, Ready/green.
Power Requirements
Projection Lamp
Only OEM Siemens lamps may be used as replacement parts!
24 V / 150 W / part no.: 8375545 G2107
Lamp Timer
30 seconds (27 - 33 sec.)
Collimator Power Supply
24 - 30VDC (
±
10%) /2A
Light Localizer Power Supply 28 - 40VAC (
±
10%) /7A
CAN Interface Power Supply 12VDC (
±
10%) /150mA
Ambient conditions
(operation)
Temperature range + 10°C to +40°C
Rel. humidity: 20 % to 75 %, non-condensing
Barometric pressure: 70 kPa to 106 kPa
Transport conditions
Temperature range - 40°C to +70°C
Rel. humidity: 10 % to 95 %, non-condensing
Barometric pressure: 70 kPa to 106 kPa
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