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Product vs Application Chart How Monitors Work How Flat Panel Monitors Work
CM827, CM828 & CM828B

CM827

CM828B


Part of the amazing 3S Series of Super Space Saving monitors, Hitachi’s CM827 & CM828 feature a short depth to save space while typically using 10% less power than the average 21” monitor. With sharp images and text these monitors provide dual inputs so users can switch between two computers without re-booting. Featuring high resolutions at solid flicker-free refresh rates and Hitachi’s Precision Focus technology for precise focus at the edges and corners, these monitors are designed for demanding CAD/CAM, graphics and imaging professionals. 

 
Specifications CM827
CM827U-511
CM828
CM828U-511
CM828B
CM828U-511 B
Auto synchronization range 31-107 kHz
50 – 160 Hz
31-115 kHz
50 – 160 Hz
31-115 kHz
50 – 160 Hz
Maximum resolution 1856 x 1392 2048 x 1536 2048 x 1536
Maximum refresh rates  
640 x 400
800 x 600
1024 x 768
1157 x 870
1280 x 1024
1600 x 1200
1600 x 1280*
1856 x 1392*
1920 x 1440*
2048 x 1536*
160 Hz
160 Hz
130 Hz
115 Hz

95 Hz
85 Hz
75 Hz 
(highest recommended) 
72 Hz
-
-
160 Hz
160 Hz
140 Hz
125 Hz   
105 Hz   
90 Hz
85 Hz
80 Hz
75 Hz
(highest recommended)
71 Hz
-
160 Hz
160 Hz
140 Hz
125 Hz
105 Hz
90 Hz
85 Hz
80 Hz
75 Hz
(highest recommended)
71 Hz
-
Video clock frequency 230 MHz 250 MHz 250 MHz
Microprocessor presets  
Standard presets 9 9 9
User programmable 32 32 32
Signal cable  Dual - 15 pin D-subs Dual - 15 pin D-subs Dual - 15 pin D-subs

CRT   21” (19.9” viewable image size) with Hitachi’s exclusive PrecisionFocusTM technology. 0.21mm horizontal, 0.14 mm vertical dot pitch. Advanced Elliptical Aperture, Multi-step dynamic focus tube. Black matrix with Invar Shadow Mask. High contrast, anti-static, anti-glare coat. 406 mm x 305 mm viewable image area.

Digital Controls

Power, contrast, brightness, H/V position and size, pincushion, trapezoid, rotation, pin balance, parallelogram, RGB adjust, color temperature selection (9300K, 6500K, 5000K, and user defined), top corner adjust, bottom corner adjust, H/V focus, H/V moiré adjust, vertical linearity, vertical linearity balance, H/V convergence, hemisphere, DMS, zoom, degauss, recall (single and total), language select, input selection and EasyMenuTM on-screen control.

Power supply 120/240 V (auto adjusting), 50/60 Hz. 115W typical. 15W Max at standby,  3W Max at power off.

Size/weight 19.2” W x 19” H x 18.5” D, 60 lbs.

* These resolutions and refresh rates are video card dependant. Please check with your videocard manufacturer to ensure they support these refresh rates at these resolutions with drivers.

Regulatory compliance
Safety: UL 1950, C-UL, EN60950 (TUV), NEMKO
Ergonomics: ZH 1/618, ISO 9241-3.                                                               X-radiation: DHHS, RoV.
EMI: FCC Class B, EN55022-B                                                                     MPR1990: TUV Ergo certified. TCO: TCO ’99
TCO: CM827 & CM828: TCO 99, CM828B: TCO ‘95
Energy savings: EPA Energy Star, VESA DPMS.                                  CE: EN61000-3-2, EN61000-3-3, EN55022-B, EN55024, EN60950

Specifications subject to change without notice


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