Ralco MTR 221/A - SPECIFICATIONS; POWER SUPPLY SPECIFICATIONS; FILTRATION SPECIFICATIONS; X-RAY FIELD SPECIFICATIONS

MTR221/A - MTR221/A DHHS
MANUALE ISTRUZIONI / INSTRUCTION MANUAL
Modello/Model R221/A - R221/A DHHS
SPECIFICATIONS
8
R221/A - R221/A DHHS - Specifications
Ralco srl
SPECIFICATIONS
Specifications of the basic version of the collimator are described here below.
Power Supply 24 V AC/ DC - 50/60 Hz - 6.5 A
Fuse for power supply protection collimator. Not
supplied by Ralco.
T 8 A
Motor Supplied by Collimator Board n.a.
Fuse for Power Supply Protection Collimator. Not
supplied by Ralco.
n.a.
Inherent Filtration Al. Equivalent
X-ray beam = 75 kV
EN 60601-1-3 par. 7.3; 7.4
Min. Al 2 mm (1 mm on request)
Filtration, Additional
X-ray beam = 75 kV
EN 60601-1-3 par. 7.5
n.a.
Limitation of Extra Focal Radiation
Set Focus Distance, SID 1 m
EN 60601-2-54
< 150 mm
Square X-ray Field Selection
100 cm (40") SID - (± 1% SID)
EN 60601-2-54
Min: 00 x 00 cm
Max: 48 x 48 cm
Round X-ray Field Selection
1 m SID - (± 1% SID)
EN 60601-2-54
n.a.
Light Field Indicator
Luminosity at 1 m from the focus, field size set at 35x35
cm.
EN 60601-2-54
> 160 lx
Light Field Indicator - Contrast
Edge Contrast Setting 35x35 cm at 1 m SID
EN 60601-2-54
> 4:1
Light Field Indicator Precision
Light Field/X-ray Field Correspondence
EN 60601-2-54
< 1 % SID>
Accuracy of X-ray field as shown on the front display
versus actual X-ray field dimension.
n.a.
X-ray Field Indication Precision
Settings on an Index Scale
EN 60601-2-54
< 2% SID>