ARGO AARK810A

With Auto-tracing feature, operator can adjust the focus and alignment in up and down directions.
With Auto video taping feature, operator can take measurements automatically once equipment obtains satisfactory focus and alignment.
With Servo Chin-Rest, operator can adjust height of Chin-rest easily.
Display is tilt-adjustable.
Printer has a paper auto-cut feature.

REFRACTOMETER
Vertex Distance(vd)	0.0,12.0,13.75，15mm
Sphere Power (SPH)	-20.00～+20.00D (In case of VD=12mm)
Cylinder Power(CYL)	0.00～±10.00D(0.12/0.25D Unit)
Axis(AX)	1～180°(1° Unit)
Cylinder Form	-, +, MIX
Pupil Distance(PD)	30～80mm
Minimum Pupil Diameter	Ø 2.0mm
KERATOMETRY
Radius of Curvature	5.0～10mm(Increments:0.01mm)
Corneal Power	33.00～67.50D(when corner equivalent Refractive index is 1.337;0.05/0.12/0.25D unit) (Increments selectable from 0.12, 0.25D)
Corneal astigmatism	0.0～-15.00D (Increments selectable from 0.12, 0.25D)
Axis	1～180°(Increments:1°)
Corneal Diameter	2.0～12.0mm(Increments:0.1mm)
Memory of Data	10 measured value for each right and left eye
Internal Printer	Uses thermal line printer
Monitor	5.7-inch color TFT LCD monitor
Auto Tracing Function Range	±16mm (up and down direction only)
Power saving mode	change to screen saving after 5 or 15 minutes idling
ENVIROMENTAL REQUIREMENTS
Operation	Temperature:+10 to +35°C
	Humidity:30 to 75% RH
	Atmospheric pressure:800～1060 hPa
Storage	Temperature:-10 to +55°C
	Humidity:30 to 75% RH
	Atmospheric pressure:700～1060 hPa
Transportation	Temperature: +40 to +70°C
	Humidity:10 to 95% RH
	Atmospheric pressure:500～1060 hPa
Power supply	AC100-240v, 50/60Hz
Power consumption	Approximately 100VA
Size	484(L) ×270(W) ×450(H) mm
Weight	Approximately 17kg