Crescent RM-9600 - Main performance index; Safety precautions

4
Atmospheric pressure: 760hPa - 1060hPa
Power requirements:
Voltage: 100-240V
～、
50/60Hz
Input power: 50VA
1.3 Main performance index
1 Measurable range
Spherical power: -25.00 m
-1
- +22.00 m
-1
。
Cylindrical power: -10.00 m
-1
- +10.00 m
-1
。
Cylindrical axis: 0º - 180º
PD measurement: 10mm - 85mm
Corneal radius: 5mm - 10mm (KR series)
Corneal diopter: 67.50 m
-1
- 33.75 m
-1
(KR series)
2 Measurement increments（step）
Spherical power (step): 0.12 m
-1
/0.25 m
-1
Cylindrical power (step): 0.12 m
-1
/0.25 m
-1
Cylindrical axis (step): 1º
PD measurement (step): 1mm
Corneal radius (step): 0.01mm (KR series)
Corneal diopter (step): 0.12 m
-1
/0.25 m
-1
(KR series)
3 Tolerance
The tolerance of the Auto refractometer/ Auto ref-keratometer should meet the requirements of
Table 1
Table 1 Tolerance
Measurable range
Tolerance
Spherical power
-10 - +10 m
-1
±0.25 m
-1
＜-10or＞+10 m
-1
±0.50 m
-1
Cylindrical power
-10 - +10 m
-1
±0.25 m
-1
Corneal refractive radius
≤8.0mm
±0.02mm
＞8.0mm
±0.03mm
Corneal refractive power
≤43 m
-1
±0.13 m
-1
＞
43 m
-1
±0.25 m
-1
The tolerance of cylindrical axis: ≤±5º
The tolerance of PD: ≤±1mm
4 General technical requirements
a) The installation of the whole equipment should be firm and isn’t obvious loosening.
Chinrest should be able to smooth lifting. The rated load of chinrest is 2.5Kg. Shaking the joystick,
the device should be flexible to move all around.
b) The surfaces of all optical components shall be clean, free of damage, and no other
defects that affect light transmission or imaging.