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TR-4000 Auto Refractor

ProductsTR-4000 Auto Refractor
Company Tomey Corp.
Item TR-4000 Auto Refractor
  • Working Distance: 40mm
  • Unit Increments: Power: 0.12/0.25D Axis: 1
  • Measurement Time: 0.3 seconds
  • Measurement Display: Simultaneous Display of Real-Time and Acquired SPH, CYL, and AXIS values.
  • Output: Built-in Thermal Printer & RS-232C Serial Port
  • Patient Target: Landscape
  • Measurement Window: 24mm x 18mm (0.95 x 0.71 inches)
  • Display: 127mm (5 inches) monochrome CRT
  • Focusing System: Target on CRT Display
  • Accommodation Relaxation Method: Auto Fogging
  • Joystick Range:
    Forward / Back: 40mm (1.6 inches)
    Left / Right: 86mm (3.4 inches)
    Up / Down: 30mm (1.2 inches)
  • Dimensions: 307mm (w) x 470mm (d) x 470mm (h)
    12 (w) x 18.5 (d) x 18.5 (h)
  • Weight: 18kg (40lbs)
Description Dual CCD cameras provide fast, accurate, reliable and repeatable measurements. The TOMEY TR-4000 offers superb quality at an excellent price.

Automatic Refraction Measurements
The TOMEY TR-4000 Auto Refractor provides highly accurate measurement of patients refractive power. This measurement is obtained simply by pushing a button. Patient alignment is simple and effortless with the joystick controller. The TR-4000 automatically calculates interpupillary distance (PD) based on the patients alignment.

Fast & Accurate Measuremet
With dual CCD cameras for accurate, reliable and repeatable measurements, (0.3 seconds) measurement time and a unique multi-averaging system for accurate refraction readings. The TR-4000 will automatically detect to measure the IOL implanted eyes or heavy cataract eyes.

Data Output
Refraction results are immediately available on-screen and from the systems quiet, built-in, high-speed printer. Results can also be transferred to the office database via the integral RS-232C connection.

Power Saving Features
The stand-by, or sleep, mode is automatically activated after five or ten minutes (operator selected) of idle time. This reduces power consumption, resulting in operating cost savings, and increases the overall lifetime of the TR-4000. Simply push the joystick button to reactivate the device.

Info Tomey Corp.Call Tomey Corp. to buy products (US and Canada only; other locations use number below) USACanada1-866-405-0397

Customer Service: 888-449-4045
Web site:

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