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Monitoring Prism Anchor type

TT series

NODAL PRISM AND STICKER TYPE

Sellectable the best match size by monitoring distance.


  • TT-17

  • TT-27

  • TT-0


  • TT-17 & TT-27 is a nodal prism.
    Surveying prisms and holders that are not nodal prisms can cause angular errors, if it is not perfectly pointed toward the measuring instrument.
    To reduce pointing errors, TT-17 & TT-27 are designed with a nodal point alignment at -17mm or -27mm.

FEATURES

  • ⋅Adjustable a direction of prism in X & Y axis easily
  • ⋅Sellectable the best macth size by monitoring distance
  • ⋅Japan made
  • ⋅Anchor bolt is in the set (φ14 × L70mm)

SPECIFICATIONS

Model TT-17 TT-27TT-0
Prism size 1 inch (25mm) 1.5 inch (38mm) 47 × 47mm
Prism constant -17mm -27mm 0mm
Prism height 57mm 60mm 60mm
Beam deviation 5" 5" -
Dimensions H87.45 × W50 × D26mm H98.5 × W66 × D33.7mm H95.5 × W68 × D22mm
Weight 130g (w/o anchor bolt) 200g (w/o anchor bolt) 120g (w/o anchor bolt)

STANDARD ACCESSORIES

  • ⋅Anchor bolt (φ14 × L70mm, 59g)
PRODUCT NAMEMODELPKG QTYMOQCODE NO.C/O
Monitoring Prism ⁄ 1 inch ⁄ Nodal Prism TT-17 1 10 218459 JP
Monitoring Prism ⁄ 1.5 inch ⁄ Nodal Prism TT-27 1 10 218460 JP
Monitoring Prism ⁄ 47 × 47mm TT-0 1 10 218461 JP




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