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NWi Digital Theodolite - NETH503
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NWi Digital Theodolite - NETH503

SKU# - NETH503

NETH503 is a digital Theodolite capable of precisely measuring angles in horizontal and vertical planes.

  • $1049.99
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NWi Digital Theodolite - NETH503

The NETH503 offers 5" Angular Accuracy, Dual Back-Lit LCD Screens for easy readouts; and a full array of Parameter settings for versatile usage. The NETH503 integrates the same advanced glass encoder from NWi's total stations. 


The NETH503 Electronic Theodolite can be used for many types of surveying: cadastral, topographic, engineering, third and fourth order triangulation and control. It can also be used in the planning and construction of railways, bridges and highways. 

NWi Digital Theodolite Features:

  • Angle measurements can be saved when the power is off.
  • Repeated Angle Program which carries out continuous measuring and average calculating to HET, a high accuracy angle value.
  • Adjustable Minimum Readings of 1", 5" and 10".

NWi Digital Theodolite Specifications:

  • Telescope
  • Image: Erect
  • Magnification: 30x, Stadia ratio 1:100
  • Effective Aperture: 45 mm
  • Resolving Power: 4”
  • Field of View: 1º 20’
  • Minimum Focus: 3 ft
  • Angle Measurement
  • Measuring Method: Photoelectric Incremental Encoder
  • Minimum Reading: 5”
  • Measuring Unit: 360º
  • Accuracy: 5”
  • Sensitivity of Vial
  • Plate Vial: 30’ / 2mm
  • Circular Vial8’ / 2mm
  • Optical Plummet
  • Magnification3x
  • Field of View: 5º
  • Display: Double sided LCD
  • Operating Time: 40 working hours
  • Power: Rechargeable / Alkaline batteries
  • Weight: 10 lbs.

Other uses include: Mining, water conservation, engineering and general surveying.


3 Year Warranty on Manufacturer Defects Only

    • Weight
      10 lbs
    • SKU
      NETH503
  • Manufacturer
    Northwest Instrument Inc.
  • Dimensions
    17 x 10 x 14 (in)
  • Warranty
    3 Year Warranty on Manufacturer Defects Only
  • Telescope
    Image: Erect
    Magnification: 30x, Stadia Ratio 1:100
    Effective Aperture: 45mm
    Resolving Power: 4"
    Field of View: 1º20'
    Minimum Focus: 3ft
  • Angle Measurement
    Measuring Method: Photoelectric Incremental Encoder
    Minimum Reading: 5"
    Measuring Unit: 360º
    Accuracy: 5"
  • Sensitivity of Vial
    Plate Vial: 30' / 2mm
    Circular Vial: 8' / 2mm
  • Optical Plummet
    Magnification: 3x
    Field of View: 5º
  • Display
    Double Sided LCD
  • Operating Time
    40 Working Hours
  • Power
    Rechargeable / Alkaline Batteries
  • Weight
    10 lbs

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