Plustek OpticPro ST640
Plustek OpticPro ST640
Top 10%112 points
Top 10%
Top specs and features

Plustek OpticPro ST640 review: 21 facts and highlights

1. maximum scan size

Maximum scan size shows maximum dimensions of the scanned document.
216 x 297mm²
Kodak Ngenuity 9125: 318 x 200000mm²

2. bit depth grayscale

Bit depth means the number of bits per pixel, so the higher the bit depth, the greater number of grayscales the system can scan.
16bit
HP Scanjet N6310: 48bit

3. Can scan 35 mm film

Film scanners can scan film negatives.
Plustek OpticPro ST640
21% have it

4. Has an Optical Character Recognition (OCR)

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.
Plustek OpticPro ST640
54% have it

5. power consumption operation

How much power the device consumes when it's switched on.
18W
Avision MiWand 2 Pro: 1.2W

6. weight

2.8kg
Plustek MobileOffice S800: 78g

7. width

440mm
VuPoint Solutions PDSBT-ST43-VP: 22.86mm

8. Has an Auto Scan Mode

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.
Plustek OpticPro ST640
45% have it

9. USB ports

With more USB ports, you are able to connect more devices.
1
HP Scanjet Enterprise 7000nx: 4

10. Allows scanning documents directly into PDF format

Plustek OpticPro ST640
71% have it

11. higher optical scan resolution

The highest resolution the scanner can put out without using software to make it bigger. In dots per inch.
3200 x 3200dpi
Canon CanoScan LiDE 700F: 9600 x 9600dpi

12. USB version

Newer USB versions are faster and have better power management.
2
Fujitsu ScanSnap iX500 Sheet-Fed: 3

13. power consumption on standby

How much power the device consumes when shut down but still plugged in.
5W
ScanShell 800NR: 0.2W

14. height

79mm
Planon DocuPen X: 0.5mm

15. thickness

265mm
Planon DocuPen X: 0.5mm

16. volume

9211.4cm³
Planon SlimScan SS100: 12.9cm³

17. simplex scanning speed grayscale

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.
1pages per minute
Doxie: 720pages per minute

18. Can synchronize your documents directly with an e-mail

Synchronize with e-mail feature allows you to send and synchronize documents with your e-mail directly from the device.
Plustek OpticPro ST640
50% have it

19. simplex scanning speed color

The device can deliver one-sided color scans faster.
1pages per minute
Doxie Go: 480pages per minute

20. Is a flatbed scanner

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.
Plustek OpticPro ST640
36% have it

21. bit depth color

Bit depth means the number of bits per pixel, so the higher the bit depth, the greater number of colors the system can scan.
48bit
HP Scanjet G4050: 96bit

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