Products / Surveying Instrument / Total Station
Feature
Specifications
Model No. GPI-122L (Prismless)
Telescope
length 154mm
image erect
objective lens Φ45mm
magnification 30 X
field of view 1° 20'
resolving power 3"
mini focus 1.2m
Angle
encoder system absolute
mini reading 1" / 5" / 10" ( 0.2mgon / 1mgon / 2mgon )
accuracy 2"
unit deg / gon / mil (selectable)
Distance
  measurement range ( good condition ) *2
prismless *1 200 m
reflective target / RP30 500 m
reflective target / RP60 700 m
mini prism 1200 m
1 prism 2200 m
3 prism 5000 m
measuring time fine:1.2s  / tracking:0.5s  / initial:3s
accuracy prism mode: ± ( 2mm + 2ppm x D )
prismless mode: ± ( 3mm + 3ppm x D )
Compensator
type single axis
range ± 3'
Level sensitivity
tubular level 30" / 2mm
circular level 8' / 2mm
Optical plummet
accuracy 1/2500
image Erect
magnification 3 X
field of view 5∘
focus range 0.5m 〜 
Laser plummet / optional
accuracy ≦ 1.0mm / 1.5m
laser spot size adjustable
laser class Class 2
focus range 0.5m 〜 
Date storage
Internal memory 20000 Points
Display
LCD LCD 6 lines x 24 characters
illumination Yes
Power supply
battery Li – ion Rechargeable battery
output voltage 7.2V DC
operation time Approx. 10 hours Continuous distance / Angle measurement
Approx. 20 hours Angle measurement
charger input 110V ~ 220V / 50 ~ 60Hz
Other
water protection IP54 ( IEC60529 )
dimensions 160 x 150 x 330mm
weight 5.2 kg
operating temperature – 20℃ ~ + 50℃
standard accessories Battery x 2+Charger x 1+Strap x 1+Transmission cable x 1+Operating manual x 1+Clean paper x 1 +Software disk x 1
*1. White target / Kodak Cat No:E1527759
*2. Normal conditions:20km visibility with slight scintillation
Good conditions:40km visibility , no heat , no scintillation , no haze and moderate wind