Specifications 4 - 3
DS457 Imager Technical Specifications
Table 4-2
DS457 Technical Specifications at 23° C
Item Description
Performance Characteristics
Sensor Resolution 752 x 480 pixels
Field of View DS457-SR/DL: 39.6º horizontal, 25.7º vertical
DS457-HD/DP: 38.4º horizontal, 24.9º vertical
Pitch/Skew/Roll Tolerance ± 60º / ± 60º / 360º (see Figure 4-3 on page 4-5)
Focal Distance from Front of Imager
Housing
DS457-SR/DL: 4.7 in.
DS457-HD/DP: 2.3 in.
Aiming Element (VLD) 655 nm ± 10 nm
Illumination Element 625 nm ± 5 nm (LED)
Minimum Print Contrast 25% absolute dark/light reflectance
User Environment
Power Requirements
Supply Voltage
Low Power / Suspend Current
Draw
Idle Current
Operating Current
(scan/decode session)
Peak Current
5.00 V ± 0.5 V
2.5 mA (typical)
160 mA (typical)
280 mA (average)
450 mA
Ambient Light Immunity Total darkness to 9,000 ft. candles (96,900 lux)
Humidity
Operating
Storage
95% RH, non-condensing at 50º C
85% RH, non-condensing at 70º C
Drop Rating Unit functions normally after multiple 30 in (76 cm) drops to tile over
concrete
Temperature
Operating
Storage
-4º to 122º F (-20º to 50º C)*
-40º to 158º F (-40º to 70º C)
* Above 45ºC the laser aimer is disabled. In high temperature
environments the DS457 safeguards the laser from overheating by
monitoring the internal system temperature. For this reason, if Time
Delay to Presentation Idle Mode is set to a high value and the aiming
pattern remains on for an extended period of time while in
presentation mode, the imager may temporarily shut off the aiming
pattern.
Note: Environmental and/or tolerance parameters are not cumulative. Perform a thermal analysis
if the application is subject to an extreme temperature environment.
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