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SI-7 Total Station

SI-7 Total Station

SI-7Total Station

Features
1.The dual-axis liquid compensator makes the leveling operation simple.
2. Wide view and rangefinder co-axial optical system offers a comfortableobservation.
3. Double-sided 160*96 lattices LCD facilitate operation.
4. RS-232C serialcommunication port makes post-data processing easy.
5. The built-in usual surveying program can easily finish the daily work.
6. Large-capacity built-in data memory can store 80000-plus data files, whichcan easily deal with the large-quantity data work.
7. The built-in data file management system can run 32 data files at best.
8. Built-in surveying programs include traditional surveying, area surveying,unsupported distance measurement, missing line measurement and coordinatesample.

TechnicalSpecifications

Model			SI-72	SI-75	SI-710	SI-720
Range measurement (In fine weather)	Measuring range	Single prism	1.5 km
		Dual prisms	2.5 km
	Ranging accuracy		5+5ppm
Leveling vial	Plate leveling vial		30"/2mm
	Circular leveling vial		8\'/2mm
Angle measurement	Angle measurement type		Photoelectric Increment
	Angle measurement accuracy		2"	5 "	10"	20"
Compensator	Working mode		Dual-axis liquid electronic compensator
	Working range		3"
	Compensating accuracy		3"
Optical Plummet	Image		Erect image
	Magnification		3x
	Focusing range		0.5m
	Field angle		5
Power	Power type		5 x AA 2000mAH Ni-MH battery pack
	Voltage		DC-6V
	Continuous working time		6 hours for range measurement and 15 hours for angle measurement
Display	Display type		Dual-sided 160*96 lattice LCD
Telescope	Imaging		Erect image
	Objective aperture		50mm
	Magnification		30x
	Field angle		1.5
	Resolution		3"
	Minimum Focusing Distance		1.8m
Other	Illumination		Lighting for telescope graduation and LCD
	Data memory		Able to memory 80000 data at least
	Weight		6.5 kg (Including batteries)

Application
Equipped with English and Chinese interface, the built-in big memory and allkinds of application measuring programs, this laser measurement instrument totalstation possesses the advantages of powerful functions, stable performance andeasy operation.
It is widely used in the following fields:
1. In the triangle measurement at third or fourth grade of country or city.
2. As the layout tool in the construction of buildingand road.
3. In the geographic and cadastral survey and otherengineering surveying.

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