Auto Refractometer Ar-830a, Ark-830

Being a customer centric organization, we are involved in manufacturing and exporting a supreme quality range of Auto Refractometer AR-830A, ARK-830 in Wuxi, Jiangsu, China.

3.1 Specii cations
Measurement of refractive error (AR measurement)

Spherical power (S) -20.00 to +20.00D(VD=12mm) 0.12/0.25D increments

Cylindrical poweri Ci 0 to A 10D
0.12/0.25D increments

Cylinder axisi Ai 0A to180A 1A increments
Vertex distancei VDi 0, 12, 13.75, 15mm Minimum pupil diameter measurable i? 2.2mm
ChartAuto fogging system
AccuracyThe accuracy specii cations are based on the results of eye model testing performed in accordance with
ISO10342, Ophthalmic Instruments - Eye Refractometers.








ItemMeasurement rangeStepTolerance
Spherical(S)-20.00~+20.00D0.12/0.25D0~A 10.00:A 0.25D
A 10.00~A 20.00:A .50D0.25D
CylindricalAC-10.00~+20.00D0.12/0.25DItem
Axis(AX)0~180A 1A Item
KM (corneal curvature radius) Measurement.(KER Series)
Ker. indexi K.indexi 1.3375, 1.336, 1.332 Radius of Curvature5.0 to10.00mm
0.01mm increments
Corneal Power 33.00 to 67.5D 0.12/0.25D increments
Corneal Diameter2.00 to 14.00mm
0.01mm increments

PD measurement
Measurement range40 to 85 mm 1.00mm increments
Movable range of horizontal direction (by joystick)
Forward and backward36 mm Right and left85 mm
Working range of auto tracking Up and downA 16mm Other functions
Auto shotMeasurement starts automatically when the device is best aligned and focused.
Display7-inch color LCD
PrinterThermal line printer with auto cutter Width 58 mm
Dimensions and weight
Dimensions 480i Li A 270(W) A 445(H)mm Weight17kg
Power sourceAC100i AC240VA 10%50/60Hz Power consumption 100VA
Environmental conditions (during use) Temperature 10 to 35A C (50 to 95A F) Humidity30 to 90%
Pressure Atmospheric pressure 800 to 1060 hPa