Nidek Medical LT-980, Руководство по обслуживанию

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LLT9A*RDA002A
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3 SPECIFICATIONS
1 . Tracing unit
1 ) Automatic tracing Both eyes / single eye
2 ) Semiauto tracing Both eyes / single eye
3 ) Pattern tracing
2 . Measurement range
1 ) Frame tracing
a . Circumference Condition: To be measured with the standard frame of
which circumference is known
Error: ±0.05 mm
b . Axis accuracy Error: ±0.5°
c . Measurement range Shape width: 36 to 85 mm
Shape height: 18.4 to 66 mm
Frame horizontal width: 113 to 180 mm
Maximum height from clamp midpoint: 23 mm
* When the height is maximum
Vertical width: 50 mm max.
Frame horizontal width: 150 mm max.
d . Tracing performance A frame equivalent to 8 base curve can be measured.
e . Repeat accuracy Condition: To be measured with the standard frame of
which circumference is known (60 times continuous
tracing)
Error: ±0.05mm
2 ) Pattern tracing
a . Circumference Condition: To be measured with the standard pattern of
which circumference is known
Error: ±0.10 mm
b . Axis accuracy Error: ±1.0°
c . Measurement range 22 to 74 mm in diameter
* However, vertical range is 15.5 to 66 mm.
3 . Power requirements
1 ) Power source AC 100 to 120/230 V, 50/60 Hz
2 ) Power consumption 60 VA max.
4 . Dimensions and mass
1 ) Dimensions 315 mm (W) × 300 mm (D) × 155 mm (H)
2 ) Mass 7 kg or less
5 . Environmental conditions
1 ) During transport/storage
a . Temperature -20 to 70°C
b . Humidity 10 to 85% (non-condensing)
2 ) During use
a . Temperature 5 to 40°C
b . Humidity 30 to 80% in the range of 5 to 31°C
31 to 40°C (The minimum acceptable relative humidity
is 30%. The maximum acceptable relative humidity is
80% for temperatures up to 31°C which decreases lin-
early to 50% at 40°C.)
3 ) Altitude 2,000 m or less
4 ) Installation place Interior