Function

Unit

Configuration

Telescope

Imaging

—

Erect

Magnification

×

30

Field of view

—

1 degree 20′

Min.target distance

m

1.5

Effective aperture

mm

40/50(EDM)

Angle measurement (Hz, V)

2C index error

(″)

1.4

Angle i index error

(″)

2.0

Angle measurement

method

—

Absolute encoder

Minimum reading

(″)

1

Distance measurement (IR)

Range

Single prism

km

3

Triple prism

km

5

No- prism1

m

400/600/800

Time

Repeated

s

2(first 3)

Tracking

s

0.8

Minimum display

mm

0.1

Accuracy

Prism

mm

±(2+2×10-6D)

No- prism

±(3+2×10-6D)

Tilt

compensator

Compensation method

—

Dual-axis type

Compensation range

(′)

±3

Communication Port

—

RS232C

U disk interface

—

Yes

Bluetooth

—

Yes

Temperature and pressure sensor

—

Yes

SD card

—

Yes

Display

Screen

—

Both sides(192*96, Black

and white screen)

Illumination

—

Support

Laser Plumb

Laser (optional) Laser Plumb

—

Wavelength 635nm Maximum output power (adjustable): not less than 0.4

m W, not more than 1.0 mW

Level

Tubular level

(″)/2

mm

30

Round level

(′)/2

mm

8

Built-in application

—

Support

Battery supply

Type

—

Rechargeable High-energy

lithium battery

Voltage

V

7.4

Power

W

< 2.2

Battery capacity

mAh

4400

Working duration

Angle

h

18

Dist+Angle

h

8  (At + 20 degree C, constant

measuring mode)