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South NT-02D

  • 1000m Visible pointer and pinpoint accuracy (≤4cm/1000m)
  • 1000m Extreme long-range laser
  • Up to 2” accuracy
  • Clear & large LCD display unit
  • Designed to complete the pipe jacking applications

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    Features

    CASE STUDY - When Theodolite Meets the Pipe Jacking

    Pipe jacking, generally referred to in the smaller diameters as micro-tunnel, is a technique for installing underground pipelines and culverts. This method provides a flexible, structural, finished pipeline as the tunnel is excavated.

    When pushing the specially designed pipes through the ground behind a shield, NT-02D offers an accurate control line of laser to avoid the deviation of center axis and elevation in a straight line.

    Extreme Long-range Laser

    Pinpoint laser pointer provide long-range and reliable aiming in the pipe jacking constructions, for the micro-tunnels, pipelines and culverts, etc.

    External Power Supply for Full-Days' Work

    NT-02D supports the external power supply for any full-days’ work, (24) which eliminates the need for recharging or carrying extra batteries.

    Specification

    Angle MeasurementMeasuring MethodAbsolute Encoding
    Diameter of Encoder Disk79mm
    Minimum Reading1″
    Accuracy2″
    Detection MethodHorizontal: Dual, Vertical: Dual
    TelescopeImageErect
    Magnification26.5x
    Effective Aperture40mm
    Resolving Power3″
    Field of View1°30′
    Minimum Focus Range1.5m
    Multiple Constant100
    Additive Constant0
    Tube Length155mm
    LaserWavelength635±20nm
    Laser ClassClass II
    Diameter<4mm/1000m
    Tolerance<10″
    CompensatorTypeSingle Axis
    Working Range±3′
    Accuracy±3″
    BubblePlate Bubble30″/2mm
    Circular Bubble8’/2mm
    Laser PlummetAccuracy±1.5mm, at 1.5m
    Diameter±2.5mm, at 1.5m
    Wavelength635±20nm
    Laser ClassClass II
    Display UnitType2.7 Inch LCD screen
    Power SupplyBattery7.4V, Lithium battery, 8h
    Working Environment
    Range-20℃~ +50℃
    DimensionSize165*160*340mm
    Weight4.7kgs

    Note: all information above is subject to change without any prior notice.

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