AT-2151HD Desktop 21.5 Inch Broadcast Monitor, LCD Monitor

AT-2151HD Desktop 21.5 Inch Broadcast Monitor, LCD Monitor
AT-2151HD Desktop 21.5 Inch Broadcast Monitor, LCD Monitor
AT-2151HD Desktop 21.5 Inch Broadcast Monitor, LCD Monitor
AT-2151HD Desktop 21.5 Inch Broadcast Monitor, LCD Monitor
AT-2151HD Desktop 21.5 Inch Broadcast Monitor, LCD Monitor
AT-2151HD Desktop 21.5 Inch Broadcast Monitor, LCD Monitor
AT-2151HD Desktop 21.5 Inch Broadcast Monitor, LCD Monitor
AT-2151HD Desktop 21.5 Inch Broadcast Monitor, LCD Monitor
AT-2151HD Desktop 21.5 Inch Broadcast Monitor, LCD Monitor
AT-2151HD Desktop 21.5 Inch Broadcast Monitor, LCD Monitor
AT-2151HD Desktop 21.5 Inch Broadcast Monitor, LCD Monitor
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AT-2151HD desktop 21.5 inch broadcast monitor seeks the basic performance of the monitor, monitoring and color reproduction, abandoning the redundant designs. According to the practical requirements of location shooting and post production, we accurately designed the essential functions such as luminance waveform, evaluation of exposure etc. which can save time and purchasing cost for users.

The accurate color reproduction is one of the most important index which can be used to measure professional monitors. The AT-2151HD monitor adopts built-in 3D-LUT color managing system which meets the REC-709 color standard in the industry. According to DE2000 color difference formula, each monitor is authorized and calibrated by CalMAN from SpectraCal, America. The tolerance is controlled within standard so that it can ensure the uniformity of the color displayed by monitors of the same type.

AT-2151HD has the intelligent luminance compensation which means that it can automatically adjust the luminance range of the monitor according to the environment light and according to EBU (European Broadcasting Union) standard to be adaptable to different application conditions.

The practical, rapid and accurate operation methods is quite important for video rental customers. AT-2151HD has 3 horizontal “F” shortcut key besides the reserved and traditional knob type code switch. The general function is clear and convenient to use so that the operation can be more rapid and simple.

Ruige introduced the leading industrial design and creation system in AT-2151HD monitor. We also adopts industrialized, standardized and scaled production process which can not only greatly reduce production cost but also ensure product uniformity and durability. So AT-2151HD is not only an industrial product, but also a fine artwork.

The high end co-brand ACTION between China and America launched a new product AT-2151HD after the high luminance monitor HL-700HD. This product keeps ultra simple industrial fashion with simple port and function. It can reduce cost when satisfying the basic requirements of the photographer.

For both on-site shooting and post production, AT-2151HD has complete functional ductility so that it can be adaptive to different working conditions. The monitor can be installed with desktop holder which can be used for post production. It can also be matched with combined portable box with innovative design so that it can be used for location shooting. When it is connected with lamp post adaptor, the lamp post can become lifting monitor support platform.




Size 21.5 inch
Resolution 1920(H)×1080(V)
Dot pitch 0.247(H)×0.247V)mm
Aspect ratio 16:9 / 4:3 switchable
Back light White LED
Brightness (max) 1200cd/㎡
Contrast (max) 41.66736111
Color depth 8Bits(16.7M color)
Image processing 10Bits
Response time 7ms
Viewing angle H89°/V89°

3G-SDI BNC x 2
HDMI HDMI 1.3 x 1

3G-SDI BNC x 1

Audio demultiplexing Support
Audio meters 16 channels (Maximum 8 channels can be displayed at one time)
Built-in speakers 2×8Ω/2W (back)
Headset 3.5mm support

HDMI 480p/60;480i/60;576i/50;576p/50;720p/50/60;1080i/50/60;1080p/24/25/30/50/60
3G-SDI 1080p(50/60)
HD-SDI 1080i(60/59.94/50)1080p(30/29.97/25/24/24sF/23.98/23.98sF) 720p(60/59.94/50/30/29/25/24/23.98)
SD-SDI 480/59.94i;576/50i

Input voltage DC 12V standard 4 pin XLR
Power consumption (max) ≤22W
Working temperature 0-40℃
Store temperature -20-60℃
Store humidity 0%-90% No condensation

Shell material Aluminum alloy
Dimension (mm) L514.8×H328×D40mm
Weight 4.7Kg
Installation Desktop/VESA
VESA connecting port 100*100mm


3D LUT loading
The B/P/D series monitors adopts 3D-LUT color managing system which meets the uniform color standard in the industry. It adopts professional testing equipment to carry out systematic and accurate calibration of the monitor, so that the display indicator of the monitor can meet tolerance range of the gamut standard. Thus it can ensure accurate color reproduction of the monitor. Meanwhile, it can maximally ensure the uniformity of the color displayed by monitors of the same type.

The AT-2151HD monitor adopts two kinds of luminance waveform of IRE and voltage luminance waveform. The basic function of these two measuring methods is that they can monitoring the range of luminance change of the video signal at real time

  • IRE luminance waveform
  • Voltage luminance voltage

① Warning area ② Early-warning area ③ Safety area ④ Indicator mark ⑤ Channel value

16 channels of digital audio signal can be embedded in the SDI audio signal. Normally, just displaying 8 channels can satisfy basic requirements. The Volume unit SDI (VU&PPM) is used for measuring audio levels and calibration. This is helpful for making sure that audio levels are within technical requirements and specifications. The data can be defined by customers according to requirements. It can be displayed vertically or horizontally.


Usage: this function can be used for evaluation of exposure. False color can show the level of brightness (Y). It is a method enhancing image display. Warm color indicates higher exposure and cool color indicates low exposure. The color change from warm color to cool color is red, yellow, green, blue. So the image with higher brightness shows dark red while image with lower brightness shows dark blue. So false color is a direct method which has the similar function of luminance waveform, showing the luminance distribution of the image.

  • Original image
  • False color


The zebra can indicate the exposure quantity of the shooting target which means that it is a high light indicator. When shooting with manual aperture, you can control the aperture according to the reminder of the zebra.The level of the zebra of this monitor is adjustable. It can be adjusted from 60% to 100% of the max brightness according to your own habit.


The safety marker of Ruige can avoid image cutoffs caused by over scan during video play. The display safety issue is caused by over scan during video signal display on the video receiving and re-playing device.

① Totally black ② Fully transparent ③ Semi transparent


Mono (black and white) is usually used for focus. Human Eyes are more sensitive to the luminance signal, therefore many viewfinders and small monitors have this function.


During the making of the video program on net, the display mode and the equipment is the same with that during programming so there is no need to consider the limit of the safety marker with the over scan function. The image displayed on the monitor is that which will be seen by the terminal users.Usage: Over scan is often used to programming for TV broadcast.

  • Original image
  • Over scan

AC power cord
220V, 3 pins copper 10A×3×0.75m2, black 1.69m.

DC-12V AC adapter (4 pin XLR) 5A

Detachable desktop rack
The detachable desktop rack features professional mechanical design and load-carrying at the center. There is non-slip pad at the bottom to increase stability of monitor. And manual screw connect to monitor can make the disassemble more convenient.

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