INDOGEOTECH - Digital Theodolit Topcon DT 205L

Longer battery powering duration
Longer battery powering durations using alkaline batteries. Continuous angle measurement for 150 hours (DT-213). Laser continuous angle measurement for 45 hours.
Absolute encoder is used
Detection of 0° position is no longer needed. Stable, high-accuracy measurement.
Laser pointer
The laser pointer is injected in collimation direction by simply operating one switch. Workers can perform work without guidance by observation personnel.
Excellent waterproof structure
The theodolite body is guarded against a sudden torrential rain and dirt. The theodolite can be used reliably at work sites under severe conditions.
JIS C 0920 protection class IP66 (Dustproof and waterproof types

Model		DT-205	DT-207	DT-209/209P
Telescope	Length	149mm	149mm	149mm
	Objective lens	45mm	45mm	40mm
	Magnification	30 x	30 x	26 x
	Field of view	1°30′	1°30′	1°30′
	Resolving power	2.5″	2.5″	3″
	Minimum focus	90cm	90cm	90cm
	Stadia ratio	100	100	100
	Stadia constant	0	0	0
	Sighting collimator	Double	Double	Double
Electronic Angle Measurement	Method	Absolute Reading	Absolute Reading	Absolute Reading
	Detecting	Horizontal: 2 sides	Horizontal: 2 sides	Horizontal: 1 side
	Detecting	Vertical: 1 side	Vertical: 1 side	Vertical: 1 side
	Miimum Reading	1″/5″	5″/10″	10″/20″
	Miimum Reading	0.2mgon/ 1mgon	1mgon/ 2mgon	2mgon/ 5mgon
	Accuracy	5″	7″	9″
	Diameter Circle	71mm	71mm	71mm
Display	Unit	2 sides	2 sides	1 side
Display	Unit	LCD 7segments	LCD 7segments	LCD 7segments
Data Output	Serial signal connector	●(RC-232C)	-	-
Illumination	Display	●	●	●
Illumination	Reticle	●	●	-
Compensator	Tilt sensor	●(Vertical)	-	-
Compensator	Compensating range	±3′	-	-
Optical Plumment Telescope	Magnification	3x	3x	3x
	Field of view	3°	3°	3°
	Focusing	0.5m to ∞	0.5m to ∞	0.5m to ∞
Level Sensitivity	Plate level	40″/2mm	40″/2mm	60″/2mm
Level Sensitivity	Circular level	10″/2mm	10″/2mm	10″/2mm
Water Protection	Standard	IP66	IP66	IP66
Power Supply	Battery	4AA batteries	4AA batteries	4AA batteries
Operating time (Alk.)	Theodlite only	140h	150h	170h
Operating Temp.		-20°C to + 50°C	-20°C to + 50°C	-20°C to + 50°C
Weight		4.1kg	4.1kg	3.4/3.8kg
Model		DT-205L	DT-207L	DT-209L
Telescope	Length	152mm	152mm	152mm
	Objective lens	45mm	45mm	40mm
	Magnification	30 x	30 x	26 x
	Field of view	1°30′	1°30′	1°30′
	Resolving power	2.5″	2.5″	3″
	Minimum focus	1m	1m	1m
	Stadia ratio	100	100	100
	Stadia constant	0	0	0
	Sighting collimator	Double	Double	Double
Electronic Angle Measurement	Method	Absolute Reading	Absolute Reading	Absolute Reading
	Detecting	Horizontal: 2 sides	Horizontal: 2 sides	Horizontal: 1 side
	Detecting	Vertical: 1 side	Vertical: 1 side	Vertical: 1 side
	Miimum Reading	1″/5″	5″/10″	10″/20″
	Miimum Reading	0.2mgon/ 1mgon	1mgon/ 2mgon	2mgon/ 5mgon
	Accuracy	5″	7″	9″
	Diameter Circle	71mm	71mm	71mm
Laser Pointer	Method	Focusing	Focusing	Focusing
	Wave length/ Power	633nm/ 0.6mW	633nm/ 0.6mW	633nm/ 0.6mW
	Laser Class	Class 2	Class 2	Class 2
Display	Unit	2 sides	2 sides	1 side
Display	Unit	LCD 7segments	LCD 7segments	LCD 7segments
Data Output	Serial signal connector	●(RC-232C)	-	-
Illumination	Display	●	●	●
Illumination	Reticle	●	●	-
Compensator	Tilt sensor	●(Vertical)	-	-
Compensator	Compensating range	±3′	-	-
Optical Plumment Telescope	Magnification	3x	3x	3x
	Field of view	3°	3°	3°
	Focusing	0.5m to ∞	0.5m to ∞	0.5m to ∞
Level Sensitivity	Plate level	40″/2mm	40″/2mm	60″/2mm
Level Sensitivity	Circular level	10″/2mm	10″/2mm	10″/2mm
Water Protection	Standard	IP66	IP66	IP66
Power Supply	Battery	4AA batteries	4AA batteries	4AA batteries
Operating time (Alk.)	Theodlite only	140h	150h	170h
	Lasor only	80h	80h	80h
	Theodlite and Lasor	45h	45h	45h
Operating Temp.		-20°C to + 50°C	-20°C to + 50°C	-20°C to + 50°C
Weight		4.2kg	4.2kg	3.6kg

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