Customization: | Available |
---|---|
Type: | Optical Theodolites |
Certification: | CE |
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Topography measurement instrument DTM752R with accuracy 2" total station
Specification
Distance Measurement | |
Maximum distance(under good weather conditions) | Single prism 3.0km |
Three prisms 5.0km | |
Non-prism 400m/600m | |
Digital display | Maximum: 99999999.999 m minimum: 0.1mm |
Precision | |
Unit | m/ft for selection |
Time for measuring | Single fine measurement 2 sec, tracking 0.8 sec |
Number of measurements | 1~99 |
Meteorologic correction | Automatic correction of input parameter |
Atmospheric refraction and earth curvature correction | Automatic correction of input parameter K=0.14 |
Prism constant correction | Automatic correction of input parameter |
Angle measurement | |
Angle measurement method | Absolute code |
Grating disc dia. (horizontal, vertical) | 79mm |
Min. reading displayed | 1" |
Detection method | Horizontal circle: 2 sides |
Vertical circle: 2 sides | |
Precision | 2" |
Telescope | |
Imaging | Right reading |
Barrel length | 170mm |
Objective lens effective apeture | 48mm |
Magnification | 30x |
Viewing angle | 1°30' |
Resolution | 3.5" |
Min. focus distance | 1.5m |
Automatic vertical compensator | |
System | Single axis, double axis liquid electronic sensor compensation |
Operating range | ±3' |
Accuracy | ±3" |
Level | |
Level tube | 20"/ 2mm, 30"/ 2mm |
Circular vial | 8'/2mm |
Optical plummet | |
Imaging | Positive image |
Magnifying ratio | 3x |
Focusing range | 0.5m |
Field angle | 5° |
Display | |
Type | Two sides, graphically |
Data transmission | |
Interface | RS-232C |
Battery | |
Power supply | Rechargeable Ni-MH battery, rechargeable lithium battery |
Volt | Lithium battery: DC 7.6V; Ni-MH battery: DC 7.2V |
Continuous operation time | 8 hours |
Size and weight | |
Overall dimensions | 174*207*383mm |
Weight | 6.8kg |