1. UV light and bluelight transmittance/ blocking rate measurement

2. Hartmann measurement technique (with 249 measuring points)

3. Lens abrasion evaluation

4. Prism prescri ption mode

5. Faster progressive lens measurement

6. Worry-free measurement for low transmittance lens

7. 1024*600 high resolution screen

8. Built-in thermal printer

9. Highly efficient data interconnection: The TL-6900 can be connected to the auto phoropter CV7800 through Bluetooth. 

Specifications:

Basic specification

Screen: 1024*600 TFT color touch screen
Printing: Thermal printer
Connection: RS232/WIFI
Power: 110V-240V AC, 50/60Hz, 35VA
Size: 203(W)*233(D)*471(H) mm,
Weight: ≈4.5kg

Measurement range

Sphere: -25.00 ~ + 25.00D（ step: 0.01/0.06/0.12/0.25D)
Cylinder: 0.00~ 土10.00D（ step: 0.01/0.12/0.25D)
Axis: 0° ~ 180°（ step: 10 )
ADD: 0.00 ~ + 10.00D（ step: 0.01/0.06/0.12/0.25D)
Prism: 0.00 ~ 20.006（ step: 0.01/0.12/0.256)
Measurable lens diameter: 10~ 100mm
Cylinder mode: Mix/+/-
Prism mode: X-Y rectangular coordinates
                     P-B polar coordinates