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Model W-821NX W-822NX W-823NX W-825NX W-835NX
Data Processor CPU, Clock frequency Intel® XScale, 400MHz
OS Microsoft® Windows® CE.NET 4.2
Application software Selectable
Internal memory SDRAM = 64MB
FLASH = 128MB (built-in)
Memory card 2GB (Max)
I/F RS-232C , CF Type II , SD CARD , USB
Display / Keyboard
Display type 3.7 inch, Color LCD, 640x480 pixels
with back light and touch panel function
Quantity 2 1 (2nd optional)
Keys 33 each (12 numeric / 11 function / 10 special)
Display back light Intensity settings: 10 steps
Laser Pointer Yes
Date clock Yes
[Note]
The measurement range and accuracy of reflectorless, and time required to measure may
vary by the shape, size of surface area and reflection rate of the target and its environment.
The measurement range of reflectorless is determined by the white side of the Kodak Gray
Card.
Reflector sheet: PENTAX genuine Reflector sheet
The measurement range may vary by conditions of the environment.
Normal conditions: 20km visibility with slight shimmer
Good conditions: 40km visibility, overcast, no heat, no shimmer and moderate wind.
When automatic atmospheric correction is on, the EDM error is 10ppm in prism and
reflector sheet mode.
EDM measuring time is determined in good conditions. It may takes longer than usual to
measure the distance exceeding 4000m in prism mode and 300m in reflectorless mode.
Quick mode, which functions with prism and reflector sheet, is effective only under normal
mode(1mm) and up to 500m.
In addition to dual-axis correction in the (X) and (Y) direction, mechanical error in the
instrument is corrected.
Memory card is not supplied with the instrument.
Depending on application software.
Remarks: The brand names mentioned in the specifications are a trademark or a
registered trademark of each company.
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