DTM122A Series Total Stations
Length 150mm Magnification 30X Height
232mm Shortest sighting dictance 1.0m
DTM122A Series Total Stations
Models DTM112A, DTM112B, DTM115A, DTM115B, DTM122A, DTM122B, DTM125A, DTM125B 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.
Model | DTM112A,DTM112B | DTM122A,DTM122B | |
Telescope |
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Length | 150mm | ||
Magnification | 30X | ||
Image | Erect | ||
Shortest sighting dictance | 1.0m | ||
Additive constant | 0 | ||
Objective lens aperture | φ48 | ||
Resolving power | 3.75 | ||
Field of view | 1°3026m/1000m | ||
Stadia proportion | 100 | ||
Angle measurement section |
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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 |
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Type | Single axis liquid tilt sensor | ||
Range | ±3 | ||
Accuracy | ±1 | ||
Display resolution | According to angle display resolution | ||
Distance measurement section |
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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 |
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Accuracy measurement mode | 2 s | ||
Track mode | 0.8 s | ||
Display |
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Display equipment | Double sides 20-digit, 4-line dot matrix LCD panel with background illumination | ||
Horizontal angle display range | 0°359°5959 | ||
Vertical angle display range | 0°359°59590°±89°5959-999.99%999.99% | ||
Applied measuring module |
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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 |
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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 |
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Level sensitivity | Plate level20/mm,30/mm | ||
| Circular level8/2mm | ||
Optical plummet | ImageErect | ||
| Magnification3X | ||
| Shortest focus0.5m | ||
Data output | Asynchronous serial in RS-232/USB(option) | ||
Height | 232mm | ||
Weight | 6.2kg | ||
Power supply | Rechargeable batteryBDC1800mAh,6v (Ni-MH Battery) | ||
Battery working time | Distance measuring time6 hours | ||
| Angle measuring time100 hours | ||
Note:A with compensator ; B without compensator | |||
