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Total Station DTM 125A Electronic Laser

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Description

Electronic Total Station Models 

Model NO. 2″5″, DTM112A/ DTM112B, DTM115A/B, DTM122A/B, DTM1
HS Code 90158000  suits the measurement with target and prism. Angle accuracies are 2″, 3″ and 5″. Detachable tribrachs are standard on all models. Other standard features are Optical Plummet, dedicated Number Keys, Alpha key input, manual focusing. The 16, 000 points data memory can store stake out coordinates and/or collected data in any mix. 

Electronic Total Station Features
1. Specialized knowledge of distance measurement. 
2. Large data memory with 16, 000 points. 
3. Good quality telescope. 
4. Easy to operate with soft keys. 
5. Alpha key input. 
6. Large quantity batteries. 
7. More functions for your select: Recession, Lay

Model 
 
DTM 112A  DTM112B 
DTM 115A   DTM115B 
 
DTM 122A   DTM122B 
DTM 125A  DTM125B 
 
Telescope 
 
 
Length 
 
150mm 
 
Magnification 
 
30X 
 
Image 
 
Erect 
 
Shortest sighting dictance 
 
1.0m 
 
Additive constant 
 

 
Objective lens aperture 
 
φ48 
 
Resolving power 
 
3.75 ” 
 
Field of view 
 
1″30 ´(26m / 1000m )
 
Stadia proportion 
 
100 
 
Angle measurement section 
 
 
Horizontal angle panel 
 
Photoelectric incremental rotary encoder scanning, adopt diametrical detection 
 
Vertical angle panel 
 
Photoelectric incremental rotary encoder scanning, with absolute 0 index point 
 
Minimum display 
 
1 ” \5 “\10 ” 
 
Accuracy 
 
2 “\5 ” \10 ” 
 
Compensator 
 
 
Type 
 
Single axis liquid tilt sensor 
 
Range 
 
±3 ´
Accuracy 
 
±1 ” 
 
Display resolution 
 
According to angle display resolution 
 
Distance measurement section 
 
 
Measureing range 
 
Average weather condition, visibility about 23.5km 
 
Single prism 
 
1000m 
 
1800m 
 
Three prism 
 
1600m 
 
2600m 
 
Minimum display 
 
Accuracy measurement mode: 1mm 
 
  Track mode: 10mm 
 
Accuracy 
 
± (3mm +2ppm•D ) 
 
Measuring time 
 
 
Accuracy measurement mode 
 
2   second 
 
Track mode 
 
0.8 second 
 
Display 
 
  
 
Display equipment 
 
Double sides 20-digit, 4-line dot matrix LCD panel with background illumination 
 
Horizontal angle display range 
 
0° –359°59 ´ 59 ” 
 
Vertical angle display range 
 
0° — 359°59 ´ 59 ” or 0°±89°59 ´ 59 ” -999.99% –999.99% 
 
Applied measuring module 
 
 
Recession module 
 
Area measure module 
 
Coordinate measuring module 
 
Offset measurement module 
 
Laying-out 
 
Missing line measurement module 
 
Remote elevation measurement module 
 
Memory≥15,000 dots 
 
Measuring mode 
 
 
Horizontal angle 
 
Left angle, right angle, set mode 
 
Vertical angle 
 
Zenith 0°, horizontal 0°, horizontal 0°±90°,slope% 
 
Measure time 
 
  Less than 0.5 second 
 
Angular unit 
 
degree \ gon \ mil 
 
Others 
 
 
Level sensitivity 
 
Plate level : 20 ” /mm       30 ” /mm 
 
  Circular level : 8 ´ / 2mm 
 
Optical plummet 
 
Image: Erect 
 
  Magnification : 3X 
 
  Shortest focus : 0.5m 
 
Data output 
 
Asynchronous serial in RS-232/USB(option) 
 
Height 
 
232mm 
 
Weight 
 
6.2kg 
 
Power supply 
 
Rechargeable battery : BDC1800mAh ,6v (Ni-MH Battery) 
 
Battery working time 
 
Distance measuring time : 6 hours 
 
  Angle measuring time : 100 hours 
 

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