DL-201

DL-202

Standard deviation for 1 km double run leveling

figure reading

1.0mm

1.5mm

optical reading

2.0mm

2.0mm

Range

figure reading

1.5m~100m

1.5m~100m

Accuracy

distance measuring

DD>10m:D*0.001

DD>10m:D*0.001

Minimum display

VD

1mm/0.1mm

1mm/0.5mm

distance

0.1/1cm

0.1/1cm

Measuring time

< 3second under normal condition

< 3second under normal condition

Telescope

magnification

32×

32×

resolving power

3"

3"

field of view

1°20'

1°20'

stadia ratio

100

100

stadia addition constant

0

0

Compensator

type

Magnetic damped pendulum

Magnetic damped pendulum

compensation range

>±12'

>±12'

accuracy

0.3"/1'

0.5"/1'

Storage

memory

16MB

16MB

point number

Ascending/descending/custom

Ascending

interface

USB

USB

extended memory

SD card

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Circular bubble sensitivity

8'/2mm

8'/2mm

Automatic shut off

5 min. /OFF

5min./OFF

Horizontal limb

scale value

1°

1°

Display screen

illumined 160×64 point lattice LCD

illumined 128×32 point lattice LCD

Working temperature

-20~50^oC

-20~50^oC

Weight

2.5kg

2.5kg

Dimensions

L×W×H

230mm×150mm×210mm

230mm×150mm×210mm