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Laser Electronic Theodolite

Model and Specification			DE2A-L
Telescope	Image		Erect
	Magnification		30x
	Objective aperture		47mm
	Field of view		1°30′
	Shortest viewing distance		1m
	Stadia ratio		100
	Resolution		3.75″
Angle measurement	Angle measurement mode		Absolute angle encoder system
	Minimum count		1″/5″/10″/20″
	Angle units		DEG/MIL/GON
	Accuracy		2″/5″/10″
	Display		LCD LCD double sides
compensator	Compensation range		±3′
	Resolution		1″
Up laser point	Wavelength		635nm
	Laser focusingpoint		5mm/100m
	Deviation between laser focusing point and telescope collimation axis		≤5″
	Valid optical distance		150m(Day)
Down Point type			Down Laser plummet
Precision of plate vial			30″/2mm
Precision of circular vial			8′/2mm
Working Temperature			-20℃~+50℃
Power		Battery	Chargeable NiMH battery
		Voltage	6.0V
Instrument weight			6.5kg
Volume			180mm×166mm×355mm