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THEODOLITE DIGITAL PENTAX ETH 505, Ketelitian 5detik



Pentax ETH-505 Electronic Theodolite - 5" Accuracy.
Key Features include
  • Large easy to read-display
  • Zero set and reverse angle display
  • A row of soft keys allows simple and fast operation.
  • A large display (LCD) is incorporated on both sides of the instrument. Both vertical and horizontal angles are displayed in degrees or gons.
  • All the models have a bright 30x magnification telescope which ensures sharp and clear images even in poor light conditions.
  • Clockwise and counter-clockwise angle measurement
  • Conversion of the vertical angle to a percentage grade
  • Zero setting of the horizontal angle at any position
  • Horizontal angle ‘Hold key function
  • Clockwise and counter-clockwise angle measurement
  • Conversion of the vertical angle to a percentage grade
  • Zero setting of the horizontal angle at any position
  • Horizontal angle ‘Hold key function
  • Powered by Alkaline batteries
Applications
  • Setting out right angles and checking plumb
  • Alignment measurements
  • Anchor bolt layout
  • 90° layout 
Electronic Theodolites ETH-500  Series Specification
Model ETH-502 ETH-505 ETH-510 ETH-520
Telescope Imaging  Erect image
Objective aperture  45 mm
Magnification  30 x
Resolution   ≤ 3”
Field of view  1° 20’
Shortest focusing distance  1.35 m
Stadia multiplication constant  100
Stadia addition constant  0
Angle Measuring Angle measuring mode  Absolute encoder
Angle measuring accuracy  2" 5" 10" 20"
Angle display  1"/5" 1"/5" 5"/10" 10"/20"
Angle unit  360°/400G
Compensator Tilt sensor  Automatic vertical compensation
Tilt compensator  Yes Yes No No
Soft switch  ON/OFF ON/OFF - - - -
Compensation range  ± 3’
Display unit  Two-sided Two-sided
Optical plummet Image  Erect  Erect
Magnification  3 x
Angle of vision   
Focusing range  0.5 m ~ ∞
Sensitivity of tubular vial  mm  30”/2 30”/2 40”/2 mm 40”/2 mm
Sensitivity of circular vial  8’/2 mm
Dust & Water Protection  IP44
Type of base Detachable
Power supply  Battery  4 x single three (AAA) type dry battery
Ambient temperature  For operation  -20°C - +50°C
Weight  Instrument  4.5 kg
Measurements Carrying case  1.9 kg
 Instrument  W 175 mm x L 170 mm x H 334 mm
Carrying case  W 330 mm x L 450 mm x H 220 mm

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