GE Healthcare Portascan, Руководство по обслуживанию

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Section 1
2
Mediwatch Service Department
Service Documentation
Chapter 3. Technical Specifications of the Scanner
General Specifications:
Power Input 10 - 13.5 Vdc
Power Consumption 12 VA
Scanning Method Mechanical Sector
Display Modes B - mode
Probe Frequency 3.5/5.0 MHz
Max Image Depth 20 cm
Scan Converter Full Digital 512 x 512 x 8
Bladder Volume 0 -1500 ml
Accuracy 0 - 699 ml ± 20%, ± 20ml
(whichever is700 ml - 1500ml ± 25% ± 25ml greater)
Accuracy is based upon usage as per instructions and scanning a tissue equivalent phantom
Display Format 8 inch colour TFT LCD 640 x 480 pixels
Battery 12 Volt rechargeable at least 1.5 Hrs continuous operation
from full charge.
Dimensions WxDxH = 16 x13 x 13 cm
Weight 2540g without battery and probe3220g with battery and probe
Enclosure Leakage and Earth Leakage Current Within specification for Class II type BF according to
EN 60601 - 1
Environmental Operating Conditions Temperature 8 - 40ºC Humidity up to 90% (20ºC)
General Storage Conditions Temperature 0 - 50ºC
Standards EN 60601 - 1 & Class II, Type BF handheld equipment
Acoustic Output information
for the 3.5/5.0 MHz Mechanical sector (410047):
Parameter: Mode B W o max.
P_ (MPa) 1.2
1spt (mW.cm2) 2.8
System settings 5.0HMz
Min. scan angle
Min. scan depth
1p 53.8
(mm)
Wpb6 (_1_)
(mm) 2.4
Prr (KHz) 1708
Srr
(Hz)
2.8
Output Beam Dimensions 520.6
Area
(mm²)
Ø,<
(mm), 19.35
(º)
Fawf
(MHz) 3.2
Acoustic power up fraction 0
(%)
Maximum Power
2.6
(mW)
lob
0.6
(mW/cm²)
Power up mode
B
Initialisation mode B
Acoustic output freeze YES
L tt 7.29
(mm)
Lts
CONTACT
(mm)
Inclusive modes
B