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Product Details

Specifications

1.Specialized knowledge of distance measurement.
2.Large data memory with 16,000 points.
3.Good quality telescope.

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.

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

SPECIFICATION:

Model	DTM112A,DTM112B DTM115A,DTM115B	DTM122A,DTM122B DTM125A,DTM125B
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°3026m/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	2SECOND
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°5959
Vertical angle display range	0°359°59590°±89°5959-999.99%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 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