Dell ST2420L User Manual

Pixel pitch 0.277 mm
Viewing angle 160° (vertical) typical, 170° (horizontal) typical
Luminance output 250 CD/m² (typical)
Contrast Ratio 1,000:1 (typical)
Dynamic Contrast Ratio
ST2420L: 8,000,000 to 1*
ST2421L: 7,000,000 to 1*
Faceplate coating Antiglare with hard-coating 3H
Backlight LED light bar system
Response Time 5 ms typical
Color Depth 16.7 mil colors
Color Gamut 88 %**
* Based on estimation
** ST2420L/ST2421L Color Gamut (Typical) is based on CIE1976 (88 %) and CIE1931 (72 %).
Resolution
Model ST2420L/ST2421L
Horizontal scan range 30 kHz to 83 kHz (automatic)
Vertical scan range 56 Hz to 76 Hz (automatic)
Maximum preset resolution 1920 x 1080 at 60 Hz
Video Supported Modes
Model ST2420L/ST2421L
Video display capabilities (HDMI playback) 480i/480p/576i/576p/720p/1080i/1080p
Preset Display Modes
ST2420L/ST2421L
Display Mode Horizontal Frequency
(kHz)
Vertical Frequency (Hz) Pixel Clock
(MHz)
Sync Polarity (Horizontal/Vertical)
VGA, 720 x 400 31.469 70.087 28.3 -/+

Dell ST2420L Specifications

General

Pixel pitch	0.227 x 0.227 mm
Aspect ratio	16:9
Display diagonal	24 \
Display refresh rates	60Hz
Viewing angle, vertical	160 °
Contrast ratio (dynamic)	8000000:1
Viewing angle, horizontal	170 °
Display brightness (typical)	250 cd/m²
HDCP	Yes
DVI-I ports quantity	0
Weight (imperial)	9.46 lbs
Power requirements	100 - 240V, 50/60Hz + 3Hz
Package weight (imperial)	12.65 lbs
Input current	2 A
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	30 W
Power consumption (off)	0.5 W
Power consumption (standby)	1 W
Power consumption (typical)	20 W
Product color	Black
Market positioning	Business
LED indicators	Stand-by
Cable lock slot type	Kensington
Panel mounting interface	- mm
Package weight	5750 g
Sustainability certificates	ENERGY STAR
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 90 %
Non-operating relative humidity (non-condensing)	10 - 80 %

Weight and Dimensions

Depth (without stand)	203.6 mm
Width (without stand)	574.9 mm
Height (without stand)	418.2 mm
Weight (without stand)	4290 g