Models DTM312A, DTM312B, DTM315A, DTM315B, DTM322A, DTM322B, DTM325A, DTM325B 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, manual focusing. The 4,000 points data memory can store stake out coordinates and/or collected data in any mix.
FEATURES:
1.Specialized knowledge of distance measurement.
2.Good quality telescope.
3.Easy to operate with soft keys.
4.Clear and clean displays.
5.Large quantity batteries.
6.More functions for your select: Lay-off, Remote elevation, Offset, MLM, Area mea
SPECIFICATION:
|
Model |
DTM312A，DTM312B |
DTM322A，DTM322B |
|
Telescope |
| |
|
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°30＇（26m/1000m） | |
|
Stadia proportion |
100 | |
|
Reticle illumination |
Provided | |
|
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 |
800m |
1400m |
|
Three prism |
1200m |
2200m |
|
Minimum display |
Accuracy measurement mode: 1mm | |
|
|
Track mode: 10mm | |
|
Accuracy |
±（3mm+2ppm?D）；±（5mm+5ppm?D） | |
|
Measuring time |
| |
|
Accuracy measurement mode |
3SECOND | |
|
Track mode |
0.8SECOND | |
|
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〞或0°±89°59＇59〞-999.99%～999.99% | |
|
Applied measuring module |
| |
|
Coordinate measuring module |
Offset measurement module | |
|
Laying-out |
Missing line measurement module | |
|
Remote elevation measurement module |
Memory≥4,000dots | |
|
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 | |
|
Size |
150X165X335mm | |
|
Height |
232mm | |
|
Weight |
6.2kg | |
|
Power supply |
Rechargeable battle：BDC3000mAh，7.2v（option） | |
|
Battery working time |
Distance measureing time：6 hours | |
|
|
Angle measuring time：12 hours | |
|
|
Recharger：650mA/5hours（option） | |
|
Note:A with compensator ; B without compensator | ||