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Plustek OpticPro ST640

Plustek OpticPro ST640
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Plustek OpticPro ST640 review: specs and price

Plustek OpticPro ST640

Why is Plustek OpticPro ST640 better than the average?

  • Optical scan resolution
    ?

    3200 x 3200dpivs8109039dpi
  • Bit depth grayscale
    ?

    16bitvs9.62bit
  • Bit depth color
    ?

    48bitvs30.61bit
  • Power consumption in standby mode
    ?

    5W vs7.55W
  • Volume
    ?

    9211.4cm³vs28378.42cm³
  • Operating power consumption
    ?

    18W vs36.18W
  • Weight
    ?

    2.8kgvs7.5kg
  • Thickness
    ?

    265mmvs320.31mm

Price comparison

General info

1.Is a flatbed scanner
Plustek OpticPro ST640
Flatbed scanners are able to scan anything that can be placed against the glass. You need a scanner with a flatbed for photos or other easily damaged originals, bound material, and 3D objects. Usually flexible lid makes it possible to scan thick documents or even books.
We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
3.width

440mm

The width represents the horizontal dimension of the product. We consider a smaller width better because it assures easy maneuverability.
We consider a thinner chassis better because it makes the product more compact and portable. Thinness is a feature highlighted by many manufacturers of mobile devices, but it is essential for a wide range of products.
The height represents the vertical dimension of the product. We consider a smaller height better because it assures easy maneuverability.

Scan quality

The highest resolution the scanner can put out without using software to make it bigger. In dots per inch.
2.maximum scan size

216 x 297mm²

Maximum scan size shows maximum dimensions of the scanned document.
Bit depth means the number of bits per pixel, so the higher the bit depth, the greater number of grayscales the system can scan.
Bit depth means the number of bits per pixel, so the higher the bit depth, the greater number of colors the system can scan.

Scan speed

The device can deliver one-sided color scans faster.
The device can deliver one-sided scans in grayscale faster. Speed is an issue for high-volume scanning, mostly with document scanners and it's measured in pages per minute.

Connectivity

Newer USB versions are faster and have better power management.
With more USB ports, you are able to connect more devices.
This feature allows you to send and synchronize documents with your email account directly from the device.

Power

The power consumption in standby mode, also called energy-saving mode, measures the amount of power the device consumes when shut down but still plugged in.
How much power the device consumes when it's switched on.

Features

1.Can scan 35 mm film
Plustek OpticPro ST640
Film scanners can scan film negatives.
2.scans documents to PDF
Plustek OpticPro ST640
The option to scan a document as PDF allows you to create a PDF file directly from a paper document. This feature can save a lot of time, especially if you have many multi-page documents to scan.
Optical Character Recognition lets you convert images with text into text documents (using automated computer algorithms). The text information is attached to PDF, which is then searchable.
4.Has an Auto Scan Mode
Plustek OpticPro ST640
Auto Scan Mode detects the type of document being scanned – Photo, Post Card, Business Card, Magazine, Newspaper, Document – and automatically crops and saves files to PDF or JPEG format based on image type.

Miscellaneous

1.volume

9211.4cm³

Volume is the quantity of three-dimensional space enclosed by the product's chassis or, in simpler terms, the space the product occupies.

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