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  • hehehe.. tnx for the info SurveyEarthinaDay.... ^_^ cheers.. 

  • Party Chief

    Wow! This is what I love with this site - generosity. In behalf of charlie-jm, thank you SurveyEarthinaDay.. :)

  • and here are the specifications for the Topcon GTS-230 

    SPECIFICATIONS
    This chart is a general guide to hardware specifications.  All specifications are subject to change.

     GTS-233WGTS-235WGTS-236WGTS-239W

    MSLP

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    Telescope:

    Length:

    150mm

    Objective Lens Diameter:

    45mm (EDM: 50mm)

    Magnification:

    30x

    Image:

    Erect

    Field Of View:

    1° 30'

    Resolving Power:

    2.5"

    Minimum Focusing Distance:

    1.3m

    Distance Measurement:

    1 prism:

    3,000m (9,900ft)

    2,000m (6,600ft)

    3 prisms:

    4,000m (13,200ft)

    2,700m (8,900ft)

    Accuracy:

    ±(2mm + 2ppmxD)

    ±(3mm + 3ppmxD)Measuring Time:Fine Mode:

    1mm: 1.2 sec (initial 4 sec.)  0.2mm: 2.8 sec. (initial 5 sec.)

    Coarse Mode:

    0.7 sec (initial 3 sec.)

    Tracking Mode:

    0.4 sec (initial 3 sec.)

    Angle Measurement:Method:

    Absolute encoder reading

    Detecting System:

    H: 2 sides   V: 1 side

    H: 1 side   V: 1 side

    Minimum Reading:

    1"/5" (0.2mgon/1mgon)

    5"/10" (1mgon/2mgon)

    Accuracy*:3" (1mgon)5" (1.5mgon)6" (1.8mgon)9" (2.7mgon)Display:

    Dot matrix graphic LCD 160 dot x 64 dot

    Display Unit:

    2 side

    1 side

    Keyboard:

    12 keys

    Tilt Correction:Tilt Sensor:

    Dual axis

    Single axis

    Method:

    Liquid type

    Compensating Range:±3'Correction Unit:

    1" (0.1mgon)

    Operating Time:Distance measurement:

    10 h. (Bluetooth 0N:8h)

    Angles Only:

    45 h. (Bluetooth 0N:25h)

    Others:Bluetooth:

    Yes

    Water and Dust:

    IP66

    Data Memory:

    8000 pts.

    Temperature Range:

    -20°C to +50°C

    P.G.

    Yes

    Plummet

    Laser (optical plummet optional)

  • this question would have been better asked inside the Topcon Support Group  but since you asked, here are a couple of things i dug up which might help:

    Topcon230 Data Collection

    and a video:

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