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Lenovo LS1921 18.5-inch Wide LED TFT Monitor - Overview
Lenovo LS1921 18.5-inch Wide LED TFT Monitor (4425)
Machine Type - Models: 4425-HC1

 

Features and specifications
Feature Specification
Monitor size 18.5-in wide (470 mm)
Viewable image size 18.5 in (470 mm)
Maximum viewable area (W x H) 409.8 x 230.4 mm
Native Resolution 1366 x 768 pixels
Contrast ratio (typical) 1000 : 1
Dynamic Contrast Ratio 2M : 1
Brightness (typical) 250 cd/m2
Color Gamut 72%
Aspect Ratio 16 : 9
Pixel Pitch 0.3 mm
Colors 16.7 million
Viewing angle (typical) Horizontal: 160 degrees (at 10 : 1 contrast ratio)
Vertical: 160 degrees (at 10 : 1 contrast ratio)
Response time (typical) 5 ms
Video input 15-pin D-sub, DVI
Signal cable – 15-pin D 1.5 m
Signal cable – DVI 1.5 m
SYNC Type Separate TTL
SYNC on green No
Bezel width (Side) 24.6 mm
Tilt -5 ~ 20 degrees backward
Swivel None
Lift None
Pivot None
VESA (Video Electronics Standards Association) mount 100 x 100 mm
Kensington lock slot Yes
OSD Yes
OSD languages 8
Preset display modes 32 (VGA), 32(DVI)
User-defined display modes 16
VESA DDC capable 2B/CI
Power supply Internal power adapter
Power cord 1.8 m
ISO 9241-307 compliant Yes
ENERGY STAR 5.1 Yes

 

Physical specifications
Parameter Unpacked Packed
Height 13.43 in (341.0 mm) 13.82 in (351 mm)
Width 17.34 in (440.4 mm) 19.29 in (490 mm)
Depth 7.08 in (179.8 mm) 4.88 in (124 mm)
Weight 5.95 lb (2.70 kg) 11.22 lb (5.10 kg)

 

Power requirements
  • Input voltage: 90 to 264 V ac
  • Frequency: 60/50 Hz +/-3 Hz
  • Power consumption:
    • Maximum: 25 watts
    • Typical: 22 watts
    • VESA Standby: <1 watt
    • VESA Suspend: <1 watt
    • VESA Off: <0.5 watt
    • Maximum earth leakage current:
      • Terminal – PE (Protective Earth)
        Maximum: 3.5 mA at 90V - 264V
      • Terminal – (Accessible parts and circuits not connected to protective earth)
        Maximum: 0.25 mA at 90V - 264V

Note: Actual power consumption depends on the chosen display mode, the images displayed, and user control settings.

 

Ambient temperature and relative humidity
Parameter Temperature Relative humidity Altitude
Operating 0 to 40 deg.C 8 to 80 % 0 to 8,000 ft (2,438 m)
Shipping -20 to 60 deg. C 5 to 95 % 0 to 40,000 ft (12,192 m)
Storage -20 to 60 deg. C 5 to 95 % 0 to 40,000 ft (12,192 m)

 

Acoustics

Declared acoustical noise emissions LWAU = 4.5 bels or less. The noise emission level stated is the declared (upper limit) A-weighted sound power level, in bels, for a random sample of monitors. All measurements are made in accordance with ANSI S12.10 and reported in conformance with ISO/DIS 7779.

 

Warranty

Three years - Customer Carry-in or Mail-in using Rapid Replacement Service

  • Announce date: 14 Feb 2012 (Brazil)
  • Availability date: April 2012 (Brazil)

 

Hardware compatibility

The display is intended to operate with system units or video adapters that generate a video output signal falling within the following specification:

Parameter Monitor
Maximum resolution 1366 x 768 pixels
Optimum resolution 1366 x 768 pixels
Maximum pixel rate (MHz) 90 MHz (VGA), 90MHz (DVI)

 

Software Requirements
  • Microsoft Windows 7
  • Microsoft Windows Vista

 

Preset Display Modes
Addressability
(H x V Pixels)
Incoming video refresh rate
NTSC VGA 60 Hz
PAL VGA 50 Hz
640 x 350 70 Hz
640 x 480 60 Hz
66 Hz

72 Hz

75 Hz
720 x 400 70 Hz
800 x 600 60 Hz
72 Hz
75 Hz
1024 x 768 60 Hz
70 Hz
75 Hz
1360 x 768 60 Hz
1366 x 768 60 Hz
  • User modes: 16 (VGA input), 16 (DVI input)
Ergonomics/Emissions/Environmental/Compatibility Approvals
  • Ergonomic
    • ISO 9241-307
    • TCO 5.2
    • EnergyStar 5.1
  • Software: Microsoft Windows 7/Vista
  • EU Directive 2002/96/EC - WEEE
  • EU Directive 2002/95/EC - RoHS
  • China RoHS
  • REACH

 

Agency approvals - EMI/Safety
  • Safety:
    • c (TUV) us (USA/Canada)
    • IEC950 CB Report
    • IRAM-S (Argentina)
    • CE (Europe)
  • EMI
    • FCC B (USA)
    • CE (Europe) DoC

 

 

Additional Product information
Service parts - Parts listing for your product
Troubleshooting - Step-by-step instructions for solving common monitor issues
Lenovo ThinkVision Monitors (www.lenovo.com/thinkvision) - ThinkVision monitor information
Lenovo Support: Monitors - Reference Guide - A list of monitors
Lenovo Support: Monitor Accessories - Reference Guide - A list of monitor accessories (stands, arms, displayport cables, cable locks, soundbars)
Lenovo Support: DisplayPort Cables - Product and compatibility information for DisplayPort monitor cables
Lenovo Support: Graphic Cards - Reference Guide - A list of graphic cards for desktop and workstation systems
Lenovo Support: Accessories - Reference Guide - A list of accessories for notebook, desktop, workstation, server accessories
www.lenovo.com/accessoriesguide - Additional information on options and accessories, including the Option Compatibility Matrix (OCM)
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications on Lenovo products


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1. Lenovo Assisted Search
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3. Lenovo Support Forum
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Documento de identidad : PD022728
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