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3 megapixel 20.8" monochrome LCD

A high-performance model not only offers high image quality and high-accuracy, but also is loaded with quality maintenance management features.



The ME355i2 is a 3MP grayscale display and is widely used by radiologists due to its versatility for multi-modality workstations. The ME355i2 includes luminance uniformity compensation for edge to edge uniformity and is capable of displaying 2048 shades of gray, simultaneously. It also comes standard with a hardware based pivot function for fast image rendering in portrait or landscape orientation.

New luminance stabilizing system λ-Sentinel II
λ-Sentinel II consists of a luminance sensor and luminance control circuit. The luminance sensor, integrated into the front bezel, consistently monitors and accurately stabilizes luminance on the screen by rapidly communicating with the backlight sensor.
In addition, a build-in luminance sensor provided with i2 models enables even simpler calibration without attaching the calibration sensor.

Remote grayscale check and remote calibration functions
Conformance testing to DICOM GSDF and calibration can be remotely accomplished. These features minimize the burden on display administrators.

* Optional PM Medivisor software is required.

Simultaneous display of 2048 shades of gray
Combined with a viewer software, 2048 shades of grapy (11 bit) can be simultaneously displayed, realizing smoother grayscale.
* Viewer software that supports Totoku's multi-shade display system is required for 11-bit grayscale viewing

Luminance equalizer λ-Uniformity Congruence
Is built in to achieve highly accurate luminance uniformity across the screen. Luminance unevenness is minimized in the final tune-up prior to shipping.
* Images shown are for illustrative purposes only.

Calibration function
Calibrates luminance and gamma to enable smooth grayscale display that is faithful to DICOM GSDF.
* Optional calibration kit is required.

Hardware pivot function for fast drawing in portrait on landscape orientation
Stress-free operation is made possible by fast drawing speed for on-the-fly change to portrait.

Dual Link input
provides smooth display of motion pictures.

Color/monochrome conversion function for multi-display setups with both color and monochrome displays

OSD Information Display
With a push of a button, the display's current status can be checked such as the display model, total operating time, actual measurement of luminance, and calibration settings.

LED indicator to inform of current status
A glance at the LED indicator tells you the display's current operating status.

Enhanced convenience with utility software:
Advanced power saving*

The backlight dims as the screensaver starts, reducing power consumption and preventing unnecessary deterioration of the backlight.
* This feature may not be available, depending on the specifications of the graphics card used.

Gamma check
18 points of luminance values are measured and plotted into a graph.

Ambient light and display luminance measurement
The built-in sensors measure display luminance and ambient illuminance.

Pairing service to match colors of two displays (Optional)

Worldwide medical safety standards
This display is certified under various medical safety standards that are much more demanding than those for general-purpose IT equipment..

Standard 5 years

Additional Information

Additional Information

Screen technology 20.8-inch, Monochrome, TFT active matrix
Display area 423.9mm x 318.0mm
Pixel pitch 0.207mm x 0.207mm
Contrast ratio 900:1 (typ)
Maximum luminance 1000cd/m² (typ), (calibrated to 410cd/m² by factory default)
Viewing angle 70° horizontal and vertical (typ)
Resolution USTEXT, 640 x 480 (VGA), 800 x 600 (SVGA), 1024 x 768 (XGA), 2048 x 1536 (QXGA)
Display Type Grayscale Display: 11.9bit (3826 shades of gray) to 256 shades of gray Along with the customized viewer, simultaneous display of 11bit (2048 shades of gray) is possible.
Video input signals DVI 1.0 compliant
Power Requirements Input: AC Adapter 100V-240V (±10%) 50/60Hz
Max. Power Consumption: 85W (typ), (with power management feature)
Calibration control Luminance, Gamma, Capability of saving 3 sets of LUT settings (An optional calibration kit is required.)
OSD information display Model name, Serial No., Total operating time, Calibration settings (Operating time from Last Calibration, Luminance, Gamma, etc.), Current luminance, etc.
USB Hub USB Rev. 2.0 compliant, Self-powered USB upstream connector (x1), USB downstream connector (x2)
Standards UL60601-1, CSA C22.2 No. 601.1, MDD/CE, FDA510(k), FCC-B, VCCI-B, CCC, MIC
Dimensions Landscape: 474mm x 468.4/529.9mm x 220mm
Portrait: 367mm x 521.9/583.4mm x 220mm
Weight Approx. 11kg (Approx. 6.8kg without tilt stand)
Tilt Stand Tilt, Swivel, Portrait / Landscape rotation
Mounting standard 100mm VESA compliant
Security slot On the back of the panel and the tilt stand
Supplied accessories AC adapter, Power cord (3P), DVI cable, USB cable, User manual


Luminance Uniformity Correction Function, Hardware Pivot function, Color/Monochrome conversion function, LED indicator