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Hitachi’s new 21” flat-faced monitor utilizes Hitachi’s Editors’ Choice award-winning ErgoFlat technology. The CM821F features a flat-faced screen for significantly reduced glare and more realistic, vibrant images. Hitachi’s ErgoFlat technology is 10% brighter than most competitive products and has significantly better convergence than competitive aperture grill models. The CM821F features high resolutions and refresh rates to satisfy even the most demanding Imaging, CAD/CAM and business professional while saving space with a reduced depth of only 18.7”.



Size/ viewable size 21"/20" viewable
Auto synchronization range 31-107 kHz
50 - 160 Hz
Maximum resolution 1856 x 1392
Resolution/Maximum refresh
640 x 480
800 x 600
1024 x 768
1152 x 870
1280 x 1024
1600 x 1200
1600 x 1280*
1856 x 1392*
160 Hz
160 Hz
130 Hz
115 Hz
95 Hz
85 Hz
75 Hz (highest recommended)
72 Hz
Video clock frequency 230 MHz
Microprocessor presets
Standard settings 9
User programmable 32
Signal cable Dual - 15pin  D-sub

CRT 21” (20” viewable image size) ErgoFlat** Invar Shadow Mask CRT. 0.214 mm average horizontal dot pitch, 0.14 mm vertical dot pitch. Advanced Extended Elliptical Aperture, Multi-step Dynamic Focus tube. High contrast, anti-static, anti-glare coat. 406 mm x 305 mm viewable image area. 

Digital Controls
Power, brightness, contrast, 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, V. Linearity, V. Linearity balance, hemisphere, H/V convergence, DMS, zoom, degauss, OSD position, language select, recall (single and total), input selection and EasyMenuTM on-screen controls.

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

Size/weight 19.2” W x 19” H x 18.7” D, 67 lbs.
*These resolutions and the corresponding drivers are video card dependant. Please check with your video card manufacturer to ensure your card can attain and provide drivers for these resolutions and refresh rates.
**ErgoFlat is Hitachi’s proprietary flat-faced CRT technology that is competitive to Pure Flat or Perfectly Flat.

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

Specifications subject to change without notice

"All monitors are video card dependent. Hitachi tests its monitors to ensure that they will produce the refresh rates Hitachi publishes. Because there are inconsistencies between video card manufacturers, Hitachi cannot guarantee that a/your particular video card will produce the published refresh rates. Hitachi cannot guarantee performance with any third-party hardware or software."

"All images, photos, logos and text on this site are the property of Hitachi America, Ltd. or their respective company and cannot be used or reproduced without express written permission. All rights reserved."
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