|
specification
|
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
|
D≦10m:10mm;
D>10m:D*0.001
|
D≦10m:10mm;
D>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
|
------
|
|
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℃
|
-20~50℃
|
|
weight
|
|
2.5kg
|
2.5kg
|
|
dimensions
|
L×W×H
|
230mm×150mm×210mm
|
230mm×150mm×210mm
|
