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16
Table 5.2 - Environmental specifications
Temperature
Operating
+10
°
—40
°
C (50
°
—104
°
F)
Storage
-20
°
—60
°
C (-4
°
—140
°
F)
Relative humidity
Operating
20—80% (noncondensing)
Storage
15—90% (noncondensing)
Atmospheric pressure
Operating
700—1060 hPa
Storage
500—1060 hPa
Measurement accuracy
Table 5.3 below lists the PachPen accuracy.
Table 5.3 - Measurement accuracy
Measurement
Corneal thickness
Clinical Accuracy (1 Sigma)
+/- 5 Micrometers
Electronic Resolution (@1640 m/sec)
+/- 1 Micrometer
Range
300—999 Micrometers
Operating modes
The table 5.4 summarizes the mode/application possibilities for each system/
transducer combination
Table 5.4 - Measurement accuracy
Clinical application
A
B
M PWD CWD CD Combined
(specify)
Other
†
(specify)
Ophthalmic
X
Fetal imaging & other*
Cardiac, adult &
pediatric
Peripheral vessel
* Abdominal, intraoperative, pediatric, small organ (breast, thyroid, testes, etc.), neonatal cephalic, adult
cephalic, musculo-skeletal (conventional), musculo-skeletal (superficial)
†
Examples may include: amplitude doppler, 3-D imaging, harmonic imaging, tissue motion doppler, color
velocity imaging.
Specifications
