Theodolite,Total station Description and Specifications for Lab Tenders
Theodolite,Total station.
Theodolite,Total station
a)Telescope
fully transiting, coaxial sighting and distance measuring
optics
objective aperture 45mm(1.8in)
(EDM:50mm)(2.0in)
.magnification ..................30x
.Image.................................Erect
.Resolving
power.................3"
.Field of
view.......................1 �30"
(26m/1,00m)
.Minimum focus
................1.0m(3.3ft)
.Reticule
illumination.............built bright/Do.
Selectable
.focusing ring......................Fine/ coarse two speeds.
b) Angle measurement
photoelectric
incremental rotary encoders scanning. both circles adopt diametrical
detective and are provided with absolute 0
index points. Unit H&V 360 �/400gon/Guad
Bring/mil,selectable . Display
resolution(selectable)
H&V....1"/0.2mgon/0.005 mil
. Accuracy H & V
....................3" (1 m
gon)
. Measuring time H & V......Less than 0.5 seconds
. .
Automatic dual -Axes
level Compensator :-ON (V & H,Only V ) OFF
selectable display: Digital/Graphic; selectable.
. Type ........Ddual
-axis liquid tilt
sensor
. range......± 3' (± 55 mgon) out -of - range
warning displayed. .
Display mode resolution According to
selection of display resolution .
Collimation
program.... ON /OFF
Selectable
. Display mode....... H: CLOCK
WISE /encounter clock wise, selectable:0 set angle setting , available .
V:
zenith Angle (zenith 0 �) vertical
angle (Horizontal 00) selectable.
c) Distance mode
Measurement ....modulation near
infrared light , 3 frequencies , near infrared LED ,Coaxial EDM
transmitting
and receiving optics.
Measuring range (slope distance)
average
conditions: slight haze , visibility
about 20km,sunny periods weak
scintillation.
Good
condition : no haze , visibility about
40 km overcast no scintillation
.
Reflective sheet target in average
conditions:
1
m to 100m With nine
Apol prism
in Good condition: 1m to
3500m
and 1m to 4000m
resolution:
Fine measurement….0.001m
Rapid measurement …..
0.01m
Tracking measurement
……0.01m
Unambiguous measuring
range (slope distance) ….…/9,999.9999m
Accuracy with glass
prism: fine meas.
(± 2+2 ppm) ×D)mm Rapid
meas. ± (5+52 ppm) x D ) mm
Measuring time …….
Fine meas… single /
Repeat- Every 2.05
Rapid meas single /
Repeat- Every 0.95
Tracking meas…… Every
0.45
Atmospheric correction:
Temperature input range
– 30 Ì� c to (0.01 Ì�c steps )
Pressure input range …
500hpa to 1400 hpa (1hps steps).
375 mm HG to 1.050 mm HG
(1mm HG STEPS)
PPm input range …0%to
100% (1%steps)
Prism constant
correction … -99 mm (1mm) Reflecting
& earth curvature correction …. ON
(K =00.14 / K = 0.20 )
OFF selectable
Audio target acquisition
…. Display and audio :ON/OFF Selectable
Automatic light
intensity control Provided
d) computer and data transfer
Cpu… (10MHZ)
Operating system …MS - DOS compatible
RAM >1MB. System ROM
128 KB.
ROMDISK (for aplicable
softwar)…1MG RO RAMDI --512 KB data storage- internal memory 512KB.SRAM ,
data
memory capacity Approximately 5000
points
Memory card >1MB
Calendar clock function: provided
Calendar clock function: provided
Interface ………
asynchronous serial , RS232c compatible .
e) power supply
Operating voltage
…….6BDC
Battery level display …4
steps with warning message
Automatic power OFF/ ON
Selectable (back up for about 1week)
BDC 35 Rechargeable
Battery…NI- MH Rechargeable battery 2pcs , supplied Battery
charger:220V,50hz
f) batteries with battery chargers including all
accessory,
plum bob,
software &instruction manual