Filter scanner comparison

bit-depth-color:48-bit ✕ usb-version:2 ✕ simplex-scanning-speed-color:1-ppm ✕

When disabled: selecting a filter value replaces the current value.
When enabled: you can select multiple values for the same filter (OR logic).

optical scan resolution

3200 x 3200 dpi 1/1

warranty period

Unknown. Help us by suggesting a value. 1/1

ADF duplex scanning speed grayscale

Unknown. Help us by suggesting a value. 1/1

audible noise

Unknown. Help us by suggesting a value. 1/1

standby power consumption

5W 1/1

RAM

Unknown. Help us by suggesting a value. 1/1

Is a flatbed scanner

✔ 1/1

bit depth grayscale

16-bit 1/1
Plustek OpticPro ST640

Plustek OpticPro ST640
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