The Theodolite ET 02L, ET 02 has a 30x magnification telescope with a 45mm effective aperture and can resolve objects down to 3". It has a 130 field of view, minimum focusing distance of 1.4m, and a stadia ratio of 100 with a precision of 0.40% for sight distance measurements. The instrument has angle measurements in degrees, gon, or mils with a horizontal circle diameter of 79mm and vertical circle diameter of 79mm.

1. Theodolite ET 02L, ET 02
Telescope Image Erect image Magnification 30x Effective aperture 45mm
Resolving Power 3” Field of view 130 Minimum 1.4m Stadia Ratio 100 Stadia
Constant 0 Sight Distance Precision 0.40% L Tube Length 157mm
FEATURE :
Angle Measurement Angle Measurement Mode Photoelectric detection by
incremental decoder Dia of circle ( vertical, horizontal) 79mm Mode detection
Horizontal angle: dual; Vertical angle: ( single) Measurement unit 360o /
400gon/ 6400mil ( available to choose) Levelling vial Sensitivity of plate vial ( /

2. 2mm) 30” / 2mm Sensitivity of circular vial 8’ / 2m
Vertical compensatory System Liquid condenser Working range ± 3”
Precision 1” Optical Plummet Image Erect Image Magnification 3x Focusing
range 0.5~ µ Field of view 5o Display Type LCD, Double line, line segment
Data input/ output Data interface RS-232C On-board battery Power source
Rechargeable Ni-H battery Voltage DC6V Operating time 8h Working
environment Working temperature -20o~ + 45o Instrument Dimension /
Weight 160x150x330mm / 5.2kg
SPECIFICATION :
Vertical compensatory System Liquid condenser Working range ± 3”
Precision 1” Optical Plummet Image Erect Image Magnification 3x Focusing
range 0.5~ µ Field of view 5o Display Type LCD, Double line, line segment
Data input/ output Data interface RS-232C On-board battery Power source
Rechargeable Ni-H battery Voltage DC6V Operating time 8h Working
environment Working temperature -20o~ + 45o Instrument Dimension /
Weight 160x150x330mm / 5.2kg