الوصف

Models DTM**2A, DTM**2B, DTM**5A, DTM**5B, DTM**2A, DTM**2B, DTM**5A, DTM**5B 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, **0 points data memory can store stake out coordinates and/or collected data in any mix. FEATURES: 1.Specialized knowledge of distance measurement. ***** quality telescope. ***** to operate with soft keys. ***** and clean displays. 5.Large quantity batteries. ***** functions for your select: Lay-off, Remote elevation, Offset, MLM, Area mea SPECIFICATION: Model DTM**2A，DTM**2B DTM**5A，DTM**5B DTM**2A，DTM**2B DTM**5A，DTM**5B Telescope Length **0mm Magnification *0X Image Erect Shortest sighting dictance 1.0m Additive constant 0 Objective lens aperture φ*8 Resolving power 3.*5〞 Field of view 1°*0＇（*6m/***0m） Stadia proportion **0 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〞，*0〞 Accuracy 2〞，5〞，*0〞 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 *3.5km Single prism **0m ***0m Three prism ***0m ***0m Minimum display Accuracy measurement mode: 1mm Track mode: *0mm Accuracy ±ï¼ˆ3mm*2ppm?D）；±ï¼ˆ5mm*5ppm?D） Measuring time Accuracy measurement mode 3SECOND Track mode 0.8SECOND Display Display equipment Double sides **-digit, *-line dot matrix LCD panel with background illumination Horizontal angle display range 0°ï½ž**9°*9＇*9〞 Vertical angle display range 0°ï½ž**9°*9＇*9〞或0°±*9°*9＇*9〞***9.*9%～**9.*9% Applied meas