124
Level vial sensitivity
Plate level
30
″
/
2mm
Circular level
8
′
/
3mm
Compensation
System
Liquid dual axis
Range ±3
′
Optical plummet(Factory optional)
Accuracy
±
0.8mm
/
1.5m
Image Erect
Magnification
3×
Focusing range 0.5
m~∝
Field of view
4°
Laser plummet
*
2
Accuracy
±1mm/1.5m
Laser
class Class
2/IEC60825-1
Focus range
0.5
m~∝
Laser
wave
length
635nm
Display
LCD
8 lines×24 characters
Illumination
Yes
Memory
Internal
memory
60000
points
External
SD
card
60000
points
Data communication
I/O
RS-232C/USB/SD
card/Bluetooth(optional)
*
3
Power
Battery
3400mAh
Li-ion
rechargeable
battery
Voltage
7.4
V
DC
Continuous
operation
time
19
hours(At
+20
℃
, single distance
measurement every 30s)
Chargers
FDJ6-Li
(100V
to
240V
50/60Hz)
Charging
time
Approx.
4
hours