Autorefractor Tomey TR-4000

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$Autorefractor$

Autorefractor
Tomey TR-4000

The Autorefractor Tomey TR-4000 provides highly accurate measurement of patients’ refractive error. This measurement is obtained simply by pushing a button. Patient alignment is simple and effortless with the joystick controller. The Autorefractor Tomey TR-4000 automatically calculates interpupillary distance (PD) based upon the patient’s alignment.

$autorefractor tomey tr-4000$ Fast and accurate measurement

With dual CCD cameras for accurate, reliable and repeatable measurements, the TR-4000 offers a fast (0.3 seconds) measurement time and a unique multi-averaging system for accurate Refraction readings.

Data output

Refraction results are immediately available on the screen and may be printed using the system's 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 unit.

TECHNICAL SPECIFICATIONS for Autorefractor Tomey TR-4000


Measurement Ranges
Sphere Power	-20 D -+20 D
Cylinder Power	-8D -+8D
Cylinder Axis	0 - 180 degrees
PD	50 - 86 mm
Corneal Curvature	5.5 - 10 mm (33.75 - 61.36 D)
Working Distance	60 mm
Unit Increments
Power	0.12, 0.25 D
Axis	1 degree
Measurement Time	0.03 seconds
Minimum Pupil Diameter	2.5 mm
Measurement Display	Real time display of SPH, CYL and AXIS values.
Output	Built-in thermal printer/RS-232C
Patient Target	Landscape
Display	5" monochrome CRT
Focusing System	Target on CRT Display

Autorefractor Tomey TR-4000

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