LDT-402A Electronic Theodolite Feature

The LDT-402A Electronic Theodolite features an absolute coding angle measuring system that ensures digitized, intelligent measurement with high reliability for precise surveying applications.

Designed with a double-sided LCD panel, the LDT-402A Electronic Theodolite offers clear display and easy operation from both sides, enhancing workflow efficiency in various working conditions.

Built with a robust steel shaft system and metal casing, the LDT-402A Electronic Theodolite guarantees long service life and reliable performance in demanding job site environments.

Featuring an independent tilt sensor, the LDT-402A Electronic Theodolite automatically corrects tilt errors, ensuring measurement accuracy and reliability throughout your surveying projects.

The sealed waterproof telescope of the LDT-402A Electronic Theodolite provides protection against moisture and dust, maintaining optimal performance in various weather conditions.

Equipped with coaxial locking screw and fine-tuning screw, the LDT-402A Electronic Theodolite enables easy measurement and precise targeting for accurate survey results.

The LDT-402A Electronic Theodolite includes the following four types:

LDT-402AOL Electronic Theodolite
Theodolite, Bottom: Optical, Top: Laser (Red Beam), Grey Shell Color

LDT-402ALO Electronic Theodolite
Theodolite, Bottom: Laser (Red Beam), Top: Optical, Grey Shell Color

LDT-402ALL Electronic Theodolite
Theodolite, Bottom: Laser (Red Beam), Top: Laser (Red Beam), Grey Shell Color

LDT-402AOO Electronic Theodolite
Theodolite, Bottom: Optical, Top: Optical, Grey Shell Color

LDT-402A Electronic Theodolite Specifications

Model No.		LDT-402A
Tribrach	Model	Detachable
Telescope	Imaging	Erect
	Magnification	30X
	Objective Aperture	45mm
	Resolution	3"
	FOV	1°30'
	Minimum Focus	1.3m
	Multiplication/Additive Constant	100/ 0
	Length	156mm
Angle Measurement	Measuring Mode	Absolute Encoder
	Minimum Reading	1"/ 5"
	Reading Accuracy	2"
	Circle Diameter	71mm
	Angle Units	360°/ 400gon/ 6400mil
Compensator	Tilt Sensor	Yes
Compensator	Range	±3'
Laser Plummet	Wave Length	635nm Red Beam
	Power	1mw
	Accuracy (1.5m)	1mm
	Laser Grade	ClassⅡ
Optical Plummet (Optional)	Magnification	3x
	Field of View	5°
	Focus Range	0.5m—∞
Vial	Plate Vial	30"/ 2mm
Vial	Circular Vial	8'/ 2mm
Display	Dual Face	LED Backlight
Power	Power Resource	NiMH Battery 4.8V 1500 mAh
Power	Working Temperature	-20℃～+50℃
Output	Data output	RS232C
Output	Memory(points)	1000