$ARK-4000 Auto refractometer with keratometer,freely up and down,touch screen,fast measurement - video preview$ >
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$ARK-4000 Auto refractometer with keratometer,freely up and down,touch screen,fast measurement - image5$

ARK-4000 Auto refractometer with keratometer,freely up and down,touch screen,fast measurement

Item# ARK-4000

Certs:

FDA CE

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Description

ARK-4000 Auto Refractometer with Keratometer – Precision Meets Comfort

The ARK-4000 combines advanced auto refractometry and keratometry in one sleek, user-friendly device. Designed for eye care professionals who demand speed, accuracy, and comfort, this instrument delivers reliable results in under half a second. Whether you run a busy clinic or a retail optical shop, the ARK-4000 streamlines your workflow and enhances patient experience.

Why Choose the ARK-4000?

Fast Measurement: Complete readings in less than 0.5 seconds.
Humanized Design: Comfortable operation with a freely adjustable LCD screen.
Smart Automation: Automatic eye tracking, auto lifting, and auto measurement.
High-Speed Imaging: Advanced image acquisition and processing for clear results.
Wide Power Supply: AC 100–250V, 50/60Hz for global compatibility.

Key Features

Hartmann's Principle & New Light Path

Experience clear human eye imaging with a redesigned optical path. This ensures precise alignment and consistent measurements every time.

Adjustable Touch Screen

The 8-inch TFT touch screen rotates freely up and down, allowing you to find the perfect viewing angle. Intuitive controls make operation smooth and efficient.

Automatic Eye Tracking & Measurement

The ARK-4000 automatically tracks the eye, lifts to the correct height, and takes measurements without manual adjustment. This reduces examination time and minimizes patient discomfort.

Built-in Thermal Printer

A 57mm thermal printer provides immediate, off-speed printing of results. No waiting, no extra equipment.

Technical Specifications

Parameter	Specification
Corneal Apex Distance	0.0, 12.0, 13.75, 15.0
Spherical Mirror Degree	-20.00D ~ +20.00D (VD = 12mm, 0.01, 0.06, 0.12, 0.25 units)
Cylindrical Power	0.00D ~ +10.00D (0.06, 0.12, 0.25 units)
Axis Position	10° ~ 180° (1° unit)
Astigmatism Symbol	-, +, ±
Interpupillary Distance	10 ~ 86mm
Minimum Pupil Diameter	2.0mm
Measurement Completion Time	<0.5 seconds
Pupil Diameter	2.00–8.00mm
Measure Light Energy	<30uw (ensures measurement safety)
Cornea Curvature Radius	5.0 ~ 10.0mm (0.01mm accuracy)
Cornea Diopter	33.00D ~ 67.0D (when corneal equivalent diopter is 1.3375)
Corneal Astigmatism	0.00D–15.00D (0.06D / 0.12D / 0.25D units)
Stored Data	10 measurements each
Axis Position (Keratometry)	1° ~ 180°
Visual Target	Guided cloud map
Display	8-inch TFT touch screen (adjustable viewing angle)
Printer	57mm thermal printer
Power Supply	AC 100 ~ 250V, 50/60Hz, wide power supply
Net Weight	22 kg
Gross Weight	26.5 kg
Packing Size	(L) 680mm x (W) 400mm x (H) 640mm