Arc 5          

TELESCOPE

Tube Length

154mm

Objective Lens Diameter

Telescope: 45mm;  EDM: 50mm

Magnification

30X

Image

Erect

Field of View

1°30’

Resolving Power

3”

DISTANCE MEASUREMENT

Single Prism

5000m *1

Non-Prism

600m *2

Accuracy  -Prism Mode

±(2mm+2ppm x D)m.s.e. *3

          -Non-Prism Mode

0-300m:±(3mm+2ppm x D)m.s.e. *3

300m-600m: ±(5mm+3ppm x D)m.s.e. *3

Measuring time

fine: 1.0s; tracking: 0.5s *4

Meteorologic Correction

Manual Input, Auto Correction

Prism Constant

Manual Input, Auto Correction

ANGLE MEASUREMENT

Method

Absolute Encoding

Detecting System

H: 2 sides      V: 2 sides

Min Reading

Accuracy

2”

Diameter of Circle

79mm

Vertical Angle 0°

Zenith: 0°/Horizontal:0°

Unit

360°/400gon/6400mil

DISPLAY

Size

66mm x 42mm; 240*160 Dot Matrix

2

Keyboard

Alphanumeric Key

TILT CORRECTION

Tilt Sensor

Dual Axis

Method

Liquid Electric

Range

±3′

Setting Unit

1”

LEVEL SENSITIVITY

Plate Level

30”/2mm

circular vial

8’/2mm

OPTICAL PLUMMET(OPTIONAL:INTERNAL LASER PLUMMET)

Image

Erect

Magnification

3X

Focusing Range

Field of View

5°

DATA STORAGE INTERFACE

Storage

Internal Memory: 4MB; Max.SD card:32GB

Data Interface

SD-card/Mini USB/RS232C

GENERAL

Laser Class *5  -EDM

Class IIIA

                       -Laser Plummet

Class II

Working Temperature

-20°C~ + 50°C

Battery Type

Rechargeable Ni-H Battery

Battery Voltage

DC 6V

Working Time

8h

Water & Dust Proof

IP54