Dell ST2220T User Manual

Maintenance Guidelines
Cleaning Your Monitor
For best practices, follow the instructions in the list below while unpacking, cleaning, or handling your monitor:
l To clean your touch screen, use the supplied soft, clean cloth. Do not use benzene, thinner, ammonia, abrasive cleaners, or compressed air. Avoid
wiping the top corners of the monitor where the optics are located.
l Use a lightly-dampened,warmclothtocleanthemonitor.Avoidusingdetergentofanykindassomedetergentsleaveamilkyfilmonthemonitor.
l Handleyourmonitorwithcare;anyscratchonthemonitorwillshowscuffmarks.
l To help maintain the best image quality on your monitor, use a dynamically changing screen saver and turn off your monitor when not in use.
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Non-operating
Storage: -20°to60°C(-4°to140°F)
Shipping: -20°to60°C(-4°to140°F)
Humidity

Operating
10% to 80% (non-condensing)
Non-operating
Storage: 5% to 90% (non-condensing)
Shipping: 5% to 90% (non-condensing)
Altitude

Operating
3,657.60 m (12,000 ft) max
Non-operating
12,192 m (40,000 ft) max
Thermal dissipation
222.3 BTU/hour (maximum)
188.1 BTU/hour (typical)
CAUTION: Read and follow the safety instructionsbeforecleaningthemonitor.
CAUTION:Beforecleaningthemonitor,unplugthemonitorpowercablefromtheelectricaloutlet.

Dell ST2220T Specifications

General

Pixel pitch	0.248 x 0.248 mm
Screen shape	Flat
Response time	8 ms
Display diagonal	21.5 \
Display brightness	250 cd/m²
Display technology	LCD
Touchscreen technology	Optical imaging
Contrast ratio (dynamic)	50000:1
Display number of colors	16.78 million colors
Display diagonal (metric)	54.6 cm
Certification	EPEAT Silver
Product color	Black
Ethernet LAN (RJ-45) ports	0
Display viewable area (HxV)	475.2 x 267.3 mm
Dimensions (W x D x H) with stand	528.1 x 58.5 x 380.1 mm
Cables included	DVI, USB, VGA
DVI-D ports quantity	1
USB upstream port type	USB Type-B
USB Type-A downstream ports quantity	3
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	1 W
Power consumption (typical)	28 W
Operating altitude	0 - 3658 m
Non-operating altitude	3658 - 12192 m
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	10 - 80 %
Package weight	7800 g
Wall mountable	No
Panel mounting interface	No mm
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (with stand)	58.5 mm
Width (with stand)	528.1 mm
Height (with stand)	380.1 mm
Weight (with stand)	6300 g