Building Boards & Insulation
Coated & Treated Products
Decorative Building Materials
EPDM/PVC/TPO Membrane
Flat Products (Sheets, Plates & Coils)
Gabion mesh
Geocell
Geogrid
Geomembrane Welding machine
HDPE Geomembrane
HDPE Geomembrane
Hdpe/Pvc Pipe
Industrial Hardware & Fasteners
LDPE LLDPE Geomembrane
Luxury Wall Panels
Nonwoven Geotextile
Other Geosynthetics
Pipe Floater
Pipeline & Fluid Systems
Pipes & Hollow Sections
PVC Ceilings
PVC Cornices
PVC Suspended Ceilings
PVC Wall Panels
Roofing & Cladding
Roofing & Corrugated Sheets
Rubber Hose
SPC Flooring
Strips & Bars
Structural Steel & Profiles
Camera & Photo
Chargers, Batteries & Power Supplies
Commercial Equipment
Home Audio & Video
Portable Audio
Printing Equipment
Professional Audio
Security & Protection
Testing Equipment
Advertising Boards
Advertising Inflatables
Advertising Light Boxes
Commercial Fryers
Computer Hardware & Software
Digital Signage and Displays
Display Racks
Food Trucks
Ice Cream Machines
Interactive Boards
Photo Booths
Projectors & Presentation Equipments
Refrigeration Equipment
Supermarket Shelves
Vending Machines
Bedroom Furniture
Commercial Furniture
Decorations
Dining Room Furniture
Kitchen Furniture
Living Room Furniture
Office Furniture
Agriculture Machinery
Apparel Machinery
Chemical Machinery
Cleaning Equipment
Construction Machinery
Environmental Machinery
Food & Beverage Machinery
Industrial Machinery
Machine Tool Equipment
Machinery Accessories
Material Handling
Packaging Machines
Brick Making Machinery
Concrete Mixers
Concrete Pumps
Crushers
Drilling Rigs
Engineering & Construction Machinery
Excavators
Gas Generation Equipment
Loaders
Mineral Separators
Mining Machinery
Mortar Spray Machines
Other Construction Machinery
Road Machinery
Stone Machinery
Tile Making Machinery
Truck Cranes
Baking Equipments
Beverage & Wine Machines
Cake machine
Donut machines
Fermenting Equipment
Fish Processing Machines
Flour & Rice Mills
Flour Mill
Food Sterilizers
Fruit & Vegetable Processing Machines
Fruit & Vegetable Processing Machines
Fryers
Ice Cream Machines
Juice Extractors
Meat Processing Machinery
Meat Slicers
Other Food Processing Machinery
Popcorn machine
Snack Machines
Vegetable Cutters
Vegetable Washing Equipments
Apparel & Textile Machinery
CNC industrial Machinery
Industrial Compressors & Parts
Industrial Robots
Industry Laser Equipment
Machine Tool Equipment
Manufacturing Machinery
Metal & Metallurgy Machinery
Paper Production Machinery
Plastic & Rubber Processing Machinery
Welding Equipment
Woodworking Machinery
Animal & Veterinary
Household Medical Devices
Medical Consumables
Professional Medical Devices
Testing Instrument
Bone Surgical Instruments
Burns Surgery Instruments
Clinical Analytical Instruments
Clinics Apparatuses
Dental Chair
Dental Consumables
Dental Equipments
Dental Handpiece
Diagnostic Apparatuses
Emergency & Clinics Apparatuses
General Assay & Diagnostic Apparatuses
Hospital Beds
Hospital Chairs
Hospital Trolley
Implants & Interventional Materials
Medical Cryogenic Equipments
Medical Imaging Equipment
Medical Optical Instruments
Medical Ultrasound Instruments
Medical X-ray Equipments
Obstetrics & Gynecology Equipments
Oral Therapy Equipments
Physical Therapy Equipment
Radiology Equipment & Accessories
Rehabilitation Equipment
Stethoscope
Surgical Instruments
Transfusion, Dialysis & Circulation Machines
Vacuum Suction Devices
Visual Acuity Examination Supplies
Featured Accessories
Mobile Phones
Phone Accessories
Screen Protector Machines
Tablets
Telecommunications
Broadcast Intercom Systems
Camera Modules
Communication Antennas
Corded Telephones
Development Boards, Kits
Enterprise Firewalls
Enterprise Switches
Fiber Optic Equipment
Fixed Wireless Terminals
Other Telecommunications Products
PBX
Signal conversion Boards
Telecom Parts
Wireless Infrastructure Equipment
Select a product option to continue.
Explore funding with Afrimart's partners. Subject to provider approval.
Discover precision and reliability in vision assessment with the AIST ARK-4000 auto refractor/keratometer. This advanced device is designed for eye care professionals seeking accurate measurements for optimal patient care.
Wide Sphere Range: Measures spherical values from -20 to +20D with a 0.12D/25D step, providing comprehensive assessments for various patients.
Cylinder Measurement: Supports cylinder values from -10 to +10D in 0.12D/25D increments, ensuring detailed analysis of astigmatism.
Precise Axis Adjustments: Offers axis measurements from 0° to 180° with a 1° step, allowing for meticulous adjustments during examinations.
Pupillary Distance (PD) Measurement: PD can be set between 10mm to 85mm in 1mm increments, ensuring accurate alignment for each patient.
Min Pupil Size Capability: Suitable for pupils as small as 2.0mm, accommodating a broader range of patients.
Variable Visual Distances (VD): Offers options for VD at 0mm, 12mm, and 13.75mm to cater to different measurement needs.
Corneal Apex Distance Options: Adjustable corneal apex distances at 0.0, 12.0, 13.75, and 15.0, ensuring flexibility for various ocular measurements.
Spherical Mirror Degree Range: Supports spherical mirror degree from -20.00D to +20.00D with fine increments (0.01, 0.06, 0.12, and 0.25 units), providing high accuracy in diagnostics.
The AIST ARK-4000 auto refractor/keratometer is an essential tool for eye care professionals aiming to deliver accurate and efficient patient evaluations.
Discover precision and reliability in vision assessment with the AIST ARK-4000 auto refractor/keratometer. This advanced device is designed for eye care professionals seeking accurate measurements for optimal patient care.
Wide Sphere Range: Measures spherical values from -20 to +20D with a 0.12D/25D step, providing comprehensive assessments for various patients.
Cylinder Measurement: Supports cylinder values from -10 to +10D in 0.12D/25D increments, ensuring detailed analysis of astigmatism.
Precise Axis Adjustments: Offers axis measurements from 0° to 180° with a 1° step, allowing for meticulous adjustments during examinations.
Pupillary Distance (PD) Measurement: PD can be set between 10mm to 85mm in 1mm increments, ensuring accurate alignment for each patient.
Min Pupil Size Capability: Suitable for pupils as small as 2.0mm, accommodating a broader range of patients.
Variable Visual Distances (VD): Offers options for VD at 0mm, 12mm, and 13.75mm to cater to different measurement needs.
Corneal Apex Distance Options: Adjustable corneal apex distances at 0.0, 12.0, 13.75, and 15.0, ensuring flexibility for various ocular measurements.
Spherical Mirror Degree Range: Supports spherical mirror degree from -20.00D to +20.00D with fine increments (0.01, 0.06, 0.12, and 0.25 units), providing high accuracy in diagnostics.
Warranty: Comes with a 1-year warranty, offering peace of mind and support for your investment.
The AIST ARK-4000 auto refractor/keratometer is an essential tool for eye care professionals aiming to deliver accurate and efficient patient evaluations.
Ready to elevate your vision assessment capabilities? The AIST ARK-4000 auto refractor/keratometer is your go-to solution for precision and reliability in eye care. Get yours today and enhance your practice!






Specification
| item | value |
| Place of Origin | China |
| Warranty | 1 Year |
| Brand Name | AIST |
| Model Number | ARK-4000 |
| Sphere | 20-+20D(VD=12) 0.12D/25D step |
| Cylinder | 10~+10D 0.12D25D step |
| Axis | 0°~180°(1°step) |
| PD | 10-85mm,1mm step |
| Min Pupil Size | 2.0mm |
| VD | 0mm,12mm,13.75mm |
| Corneal apex distance | 0.0, 12.0, 13.75,15.0 |
| Axis position | 10~180°(1 °unit) |
| Spherical mirror degree | -20.00D~+20.00D(VD=12mm,0.01, |
| Spherical mirror degree 2 | (0.06,0.12, 0.25 units) |
The AIST ARK-4000 measures spherical values from -20 to +20D and cylinder values from -10 to +10D.
The AIST ARK-4000 is suitable for pupils as small as 2.0mm.
The PD can be set between 10mm to 85mm in 1mm increments for accurate alignment with each patient.
The product comes with a 1-year warranty, providing peace of mind and support for your investment.
Yes, the AIST ARK-4000 supports cylinder measurements to analyze astigmatism with increments of 0.12D/25D.
Axis measurements can be adjusted from 0° to 180° in 1° steps, allowing for precise examinations.
The AIST ARK-4000 offers variable visual distances at 0mm, 12mm, and 13.75mm.
The corneal apex distances can be adjusted to 0.0, 12.0, 13.75, and 15.0 for various ocular measurements.
The ARK-4000 supports a spherical mirror degree range from -20.00D to +20.00D with fine increments (0.01, 0.06, 0.12, and 0.25 units) for high accuracy.
Yes, the device is designed for ease of use, allowing eye care professionals to perform accurate measurements efficiently.
The AIST ARK-4000 is manufactured by AIST, a brand known for high-quality ophthalmic equipment.
The AIST ARK-4000 is made in China.
Spherical measurements are taken with a 0.12D/25D step, while cylinder measurements are also in 0.12D/25D increments.
Yes, the AIST ARK-4000 can be used on patients with pupils as small as 2.0mm, making it versatile for various age groups.
The AIST ARK-4000 enables eye care professionals to deliver precise and reliable vision assessments, ultimately enhancing patient care.
No approved technical specifications are available yet. Please refer to the product description or contact our team.
Discover our latest orders