Accurate Instruments

Accurate Instruments (NZ) Ltd.
192 Marua Road
Mt Wellington
Auckland

Phone : (09) 579 1777
Fax : (09) 579 1776

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Theodolites


David White DWT-30 DWT-10 Nikon NE-101 Universal DT-105 Theodis ET-205 Lasermark DGT2
David White
DWT-30 DWT-10
Nikon
NE-101
Universal
DT-105
Theodis
ET-205
Lasermark
DGT2



These instruments are checked, calibrated and certified by Accurate Instruments then fitted with a shockwatch.
. DWT-30 DWT-10 NE-101 DT-105 ET-205 DGT2
  Angle measurement            
  Accuracy 30" 10" 7" 5" 5" 2"
  Minimum display 30" 5" or 10" 5" or 10" 1" or 10" 5" or 10" 1"
  Vert tilt sensor no no no no no yes
  Displays 1 2 1 1 1 2
  RS232 no no no no no yes
  Optical plummet yes yes   yes no yes
  Magnification 3x 3x 2.2x 2x n/a 4x
  Field of view 5 deg 5 deg 5 deg +/- 15' 5 deg 5 deg
  Focus 0.5m plus 0.5m plus 1.3m 0.5m plus n/a 0.5m plus
  Laser plummet no no   no yes no
  Accuracy n/a n/a n/a n/a +/- 8mm/1.5m n/a
  Laser spot n/a n/a n/a n/a adjustable 1-2m n/a
  Tribrach Fixed Detachable Detachable Detachable Shifting Detachable
  Level vials            
  Plate level 60”/2mm 30”/2mm 40”/2mm 30”/2mm 30”/2mm 30”/2mm
  Circular vial 8’/2mm 8’/2mm 10’/2mm 8’/2mm 8’/2mm 8’/2mm
  Telescope            
  Magnification 30X 30X 30X 30X 30X 30X
  Length 155mm 155mm - 155mm - 155mm
  Objective aperture 45mm 45mm 45mm 40mm 42mm 45mm
  Min focus 1.3m 1.3m   2m "1m, 2m select" 1.3m
  Field of view 1 deg 30’ 1 deg 30’ 1 deg 20’ 1 deg 20’ 1 deg 20’ 1 deg 30’
  Resolving power 2.5” 2.5”   2.5” 3.4” 3.5”
  Stadia 100:1 100:1 100:1 100:1 100:1 100:1
  Image Erect Erect Erect Erect Erect Erect
  Power Alkaline Alkaline Alkaline Alkaline Alkaline Alkaline
 
CALIBRATION
Once shipped from the manufacturer Accurate Instruments Optical and Electronic Service Centre calibrates instruments then fits them with the appropriate shockwatch, calibration sticker and test calibration certificate. Shockwatches indicate to the user whether the instrument has been dropped.
 
STANDARD PACKAGES
The theodolite package consists of the instrument, carry case, batteries as per specification sheet, calibration sticker and test calibration certificate. Optional heavy duty aluminium or wooden tripods are available.
 




 

Accurate Instruments (NZ) Ltd. is a 100% New Zealand owned company.
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