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ClearChart® 4 Digital Acuity System
Details
The standard ClearChart 4 Digital Acuity System features a new 24 inch, high resolution, LED backlit display, is lightweight, cool running, and long-lasting. The intuitive user interface, whether controlled from the easy-to-use infrared remote or via the Phoroptor® VRx Digital Refraction System, provides the best user experience of any digital acuity chart. All ClearCharts are made in the USA. ClearChart 4 Optotypes: Standard: 17 Letter Set 8 Letter Set Sloan Tumbling E Landolt C O Landolt C HOTV Numbers Childrens: Kolt Children's Shapes Allen Presentation: Single Line Double/ Same Double/ Decreasing Triple Same Triple Decreasing Quadruple Same Quadruple Decreasing Single Letter Column Column Uneven Other: Xcyl Crowding Dots Astigmatic "Wheel" T Fixation Dot Horizontal Disperity Vertical Disperity Worth 4 Dot Crowding Bar Suppression Red Green Filter
Tech Specs
ClearChart® 4 Digital Acuity System Specifications: Catalog Number: 13795 Display: 24 in. (60 cm) LED backlit LCD (1920x1080 Pixels) Max Illumination: 220 cd/m2 Photopic Illumination: 85 cd/m2 Mesopic Illumination: 3 cd/m2 Refraction Range: 1.83 m (6 ft) - 7.5 m (24.6 ft) Dimensions: Height:.39.62 cm (15.60 in) Width: 58.92 cm (23.20 in.) Depth: 7.62 cm (3.00 in.) Weight: (unpacked) 5.9 kg (13.1 lbs.) Communication: - RS232 Serial Port - 2 USB Ports - Can be linked by wired or wireless connection to a Reichert® digital Phoroptor® Remote Control: Infrared Electrical: Voltage: 100 - 240 volts AC 50/60 Hz Input Power: 50-75 VA Fuses: Time-Lag (2.5A, 250V), 5 x 20mm Remote Control: 2 AAA (LR03) batteries Operational Environment: Temperature: 10° C (50° F) to 35° C (95° F) Relative Humidity: 30% to 75% Atmospheric Pressure: 80 (23.6 in. Hg) to 106 kPa (31.3 in. Hg)
