Foif Survey Electronic Theodolite (DT300 series)

• Transport Package: Standard Export Carton
• Trademark: Foif
• Origin: China
• Model NO.: DT300
• HS Code: 9015200000

Product Description

Foif Survey Electronic Theodolite (DT300 series)

1. Absolute encoders, don't need rotate telescope to start angle measurement.
2. Moreover, azimuth is kept when restarting the instrument after turning the power off
3. Easy to read, easy to use control panels
4. Lower power consumption, longer working time with one battery
5. Laser plummet on/off is controlled by keyboard, more stable

Model	DT302L	DT305L	DT305DL
	DT302	DT305	DT305D
Telescope
Objective  lens	40mm
Magnification	30×
Image	Erect
Field  of  view	1° 20′
Minimum  focus	2m
Stadia constant	0
Stadia ratio	100
Reticle illumination	Yes
Angle measurement
Method	Absolute encoder
Detecting	Horizontal: 2 sides; Vertical: 1 side
Mininum  reading	1″ /5″ /10″ /20″ or 0.2mgon/1mgon/2mgon/5mgon
Accuracy* 2	2"	5"
Angle unit	360 degree/400 gon, selectable
Display
Display panel	LCD, Two sides
Backsight	Yes
Compensator
Tilt  sensors	Vertical	Vertical	No
Compensating  Range	±   3′	±   3′	No
Level sensitivity
Plate level	30" /mm
Circular level	8' /mm
Plummet
Optical plummet(Factory optional) Accuracy: ± 0.8mm/1.5m; Image: Erect; Magnification: 3× ; Field of view: 4° ; Focus range: 0.5m to ∞
Laser plummet( Standard) Accuracy: ± 0.8mm/1.5m; Laser class: class 2; Laser spot size/brightness: adajustable
Power
Battery	Ni-Mh  recharge  battery/Alkaline battery
Operating  time	40 hours(rechargable battery)/80 hours(Alkaline battery)
Others
Serial interface	RS-232C Baud rate: 9600bps		/
Dimension	153*175*328mm
Weight	4.5kg		4.3kg
Operating  temperature	-20º C - +50º C
*1" L" means laser plummet. " D" means without compensator
*2 Standard devitation based on ISO17123-3

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