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SW-100 Auto Portable Keratometer, Precision:±0.05mm, Corneal: 6.5 ~ 9.5mm

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Item#

SW-100

Abstract

Corneal radius:6.5 to 9.5mm | Precision:±0.05mm | Weight: below 0.5Kg

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Description

Product Abstract:
■ Keratometer SW-100: Electronic and optical integration, ultra small corneal curvature tester, is mainly used to measure the corneal curvature radius and diopter, wireless output print data.
■ Electronic keratometer is a precise optical measure instrument, designed for detecting curvature radius and diopter of cornea in hospital.

Product Performance:
Electronic Keratometer is made of three parts, including light source, Measurement of optical system and display system.
To focus, the operator need make the unit up and down, back and forth.
When the focusing condition is met, When all the four image points are in the center of the screen, instrument will calculate automatically the curvature radius and diopter and display the result on the screen.

Specification:
Measuring range:	6.5～9.5mm (curvature radius)
Center measuring area of cornea redius:	Φ3 ~ Φ4mm
Precision of curavture radius:	±0.05mm
Resolution of curvature radius of cornea:	0.01mm
Axial resulation of the main meridian:	1°
Radial deviation of the measurement of the main meridian:	a) curvature radius deviation of the main meridian ≤ 0.3mm, measurement of the main meridian axial deviation: ±4; b) curvature radius deviation of the main meridian > 0.3mm, measurement of the main meridian axial deviation: ±2°;
Singel measuring time:	0.03s
Output:	wireless infrared thermal printer
Weight:	<0.5Kg (with batteries)
Dimension:	240mm× 90mm× 60mm
Voltage:	DC4.5V (three AA battery)
Power:	500mW +15%

How to use:

1. Display Screen:

2. How to measure:

3. Measurement and print
a) Prepare:
Switch on and press the measure button to turn on the four illuminates ( press left eye button to measure left eye and press right eye button to measure right eye). Hold the bottom of the keratometer and place it at a distance 50mm from the cornea.
Measure symbol “==”：when measuring right eye, this symbol appear at right eye data display area; when measuring left eye, the same with measuring tight eye
b) Focus:
Remind the patient look at the green point in the keratometer, adjust it, ensure the pupil in the middle of the screen, then move the Keratometer from far to near. Be sure the pupil in the middle of the screen. Now the screen is high light, the eyeball, iris and pupil is show in the screen. When getting close to cornea, light spot gradually focused clear location(near the measurement point). The infrared light will close after the keratometer turn into the measurement state, the screen dimmed, and the focus hint appears.
c) Print：
The keratometer will give a short “beep” after each measurement, and each eye can be measured 5 times continuously with this keratometer. A long “beep” will be given after completion of 5 measures and the average will be shown on the screen. If it is less than 5 times, average of these measurements will be
also shown on.