Non-contact and Non-invasive, safe light source

User-friendly design, also suitable for infants
Easy targeting, fast inspection and one key operation
Ultrasonic distance measurement
Thermal Printer
Specification

OPTICAL PARAMETERS
Mode
Infant mode
Adult mode
Myopia mode
(HAR-880 only)

Sphere range
-6.0D to +8.0D
-6.0D to +8.0D
-9.0D to +2.0D

Sphere intervals
0.25D/0.1DP
0.25D/0.1D
0.25D/0.1D

Sphere tolerence
?0.5D
?0.5D
?0.5D

Cylinder range
-3.0D to +3.0D
-3.0D to +3.0D
-3.0D to +3.0D

Cylinder intervals
0.25D/0.1D R
0.25D/0.1D
0.25D/0.1D

Cylinder tolerence
?0.5D
?0.5D
?0.5D

Axis of astigmatism range
1?to 180
1 ?to 180?
1 ?to 180?

Axis of astigmatism intervals
1?
1?
1?

Axis of astigmatism tolerence
0.25D to 1.00D
?10?
?10?
?10?

1.25D to 3.00D
?5?
?5?
?5?

OIntervals are adjustable

PARAMETERS
Working distance
Adult/nfant mode
335?10mm
Confidence level
10

Myopia mode
(HAR-880 only)
268?10mm

Output of the laser radiation
150 to 200uw
Wavelength
850?20nm

Data acquisition time
2s/eye
Battery voltage
d.c.11.1v

Distance measurement
Automatic, with audible and visual hint

Battery life
More than 6 hours of continuous usage

Low-Battery warning
lndicates 15 minutes usage remains

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