Sulaiman wrote:
> Ada yang faham "Barcode Scanner" ? Saya disuruh beli dengan
> spesifikasi seperti ini. Dari list dibawah, hal-hal apa yang penting
> untuk diketahui.
>
> Trims.
>
>
>
> Light Source : Visible Laser Diode
> Laser Power : 0.72 mW (peak)
> Depth of Scan Field : 0 mm – 203 mm (0"-8") for 0.33 mm (13 mll)
> barcodes (at default setting)
> Widht of scan field : 64 mm (2.5") @ face; 249 mm (9.8") @ 203 mm (8")
> Scan Speed: 72 +/- scan lines per second
> -
>
> Scan pattern : Single scan line
> Infrared Activation : Long range: 0 mm – 279 mm +/- 51 mm ( 0" - 11" +/- 2")
> : Short range : 0 mm – 102 mm +/- 25 mm (0" - 4" +/- 1")
> Minimum Bar Width : 0.127 mm (5.0 mll)
> Decode Capability : Autodiscriminates all standard barcodes ; for
> other symbologies call Metrologic:
> System Interfaces : RS232, Pckeyboard wedge, USB
> Print Contrast: 35% minimum reflectance difference
> Number Characters Read: Up to 80 data characters (Maximum number will
> vary based on symbology and density)
> Roll, Pitch, Yaw : 42°, 68°, 52°
> Beeper Operation : 7 tones or no beep
> Indiocators (LED) : Green = on, ready to scan; Red=good read; Yellow =
> CodeGate™active (off); auto trigger mode (on)
>
Biasanya yang penting dan signifikan cuman:
System Interfaces, Width of scan field, Decode Capability.
Lainnya biasanya sudah standar, kecuali fitur seperti infrared,
bluetooth, memory (jika wireless).
Faktor lainnya adalah tipe barcode. Barcode 2D bisa menyimpan lebih
banyak data, bahkan gambar juga bisa. Namun scannernya juga beda dengan
barcode linear.
Number Characters Read = banyak data maksimun per pemindaian?
TR.
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