Dell ST2420L User Manual

VGA, 640 x 480 31.469 59.940 25.2 -/-
VGA, 640 x 480 37.500 75.000 31.5 -/-
VESA, 800 x 600 37.879 60.317 40.0 +/+
VESA, 800 x 600 46.875 75.000 49.5 +/+
VESA, 1024 x 768 48.363 60.004 65.0 -/-
VESA, 1024 x 768 60.023 75.029 78.8 +/+
VESA. 1152 x 864 67.500 75.000 108.0 +/+
VESA, 1280 x 1024 64.000 60.000 108.0 +/+
VESA, 1280 x 1024 79.976 75.025 135.0 +/+
VESA, 1920 x 1080 67.500 60.000 148.5 +/+
Electrical
Model ST2420L/ST2421L
Video input signals
Analog RGB, 0.7 Volts +/- 5%, positive polarity at 75 ohm input impedance
Digital DVI-D TMDS, 600mV for each differential line, positive polarity at 50 ohm input
impedance
HDMI, 600mV for each differential line, 100 ohm input impedance per differential pair
Synchronization input signals
Separate horizontal and vertical synchronizations, polarity-free TTL level, SOG
(Composite SYNC on green)
AC input voltage/frequency/current 100 to 240 VAC/50 or 60 Hz +
3 Hz/2.0A (Max.)
Inrush iso surge current
120 V: 30 A (Max.)
240 V: 60 A (Max.)
Physical Characteristics
Model ST2420L/ST2421L
Connector type
D-sub: Blue connector
DVI-D: White connector
HDMI
Signal cable type
D-sub: Detachable, Analog, 15 pin, shipped attached to the monitor
DVI-D
HDMI

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