Product Group/Category
The Digital Theodolite - Electronic Series, offers state-of-the-art technology at an affordable price. Our Theodolite - Electronic Series come with newly-designed double LCD displays, as well as numeric & alphabetic keypad, and are ideal for the measurement of horizontal and vertical angles, used in surveying. It consists of a small telescope mounted so as to move on two graduated circles, one horizontal and the other vertical, while its axes pass through the centre of the circles.
- RS-232C data interface
- Automatic Compensation for Vertical Angle
- Double LCD Display
- Automatic shut-off
- Laser plummet included
- Best selling and largest theodolite market share, worldwide
- Two year warranty
Available Models
- THEO-2D Digital Theodolite
- THEO-5D Digital Theodolite
- THEO-10D Digital Theodolite
- THEO-2DL Digital Theodolite

- Telescope: 30x
- Image: Erect
- Field of view: 1°30'
- Accuracy: 2"
- Minimum reading: 1"/5"
- Double LCD
- Vertical Compensation
- Laser Plummet
- EDM interface: RS232C
- Data output: RS232C
- Battery: NiHi
- Battery capacity: 20h

Digital Theodolite - THEO-5D Digital Theodolite - Electronic Series (5" Digital Theodolite)
- Telescope: 30x
- Image: Erect
- Field of view: 1°30'
- Accuracy: 5"
- Minimum reading: 1"/5"
- Double LCD
- Vertical Compensation
- Laser Plummet
- EDM interface: RS232C
- Data output: RS232C
- Battery: NiHi
- Battery capacity: 20h

Digital Theodolite - THEO-10D Digital Theodolite - Electronic Series (10" Digital Theodolite)
- Telescope: 30x
- Image: Erect
- field of view: 1°30'
- Accuracy: 10"
- Minimum reading: 5"/10"
- Double LCD
- Vertical Compensation
- Laser Plummet
- Battery: AAX4
- Battery Capacity: 20h

Digital Theodolite - THEO-2DL Digital Theodolite - Electronic Series (2" Laser Digital Theodolite)
(Can also be used as plummet, or laser level)
- Telescope: 30x
- Image: Erect
- Field of view: 1°20'
- Accuracy: 2"
- Minimum reading: 1"/5"
- Double LCD
- Sensor: Vertical axis compensator
- Range of compensation: +/-3'
- Data output: RS232C
- Wave length of laser diode: 635nm
- Laser beam (in day ): 200m
- Diameter of laser spot: 5mm/100m
Theodolite | Electronic | Laser Electronic | |||
---|---|---|---|---|---|
Model | THEO-2D | THEO-5D | THEO-10D | THEO-20D | THEO-2DL |
Telescope | |||||
Length of sleeve | 150mm | 150mm | 150mm | 150mm | 150mm |
Effective Aperture | 45mm | 45mm | 45mm | 45mm | 45mm |
Magnification | 30X | 30X | |||
Image | Erect | Erect | |||
Resolving Power | 4" | 4" | 4" | 4" | 4" |
Field of view | 1° 30' | 1° 20' | |||
Minimum Focus | 1.5m | 1.5m | 1.5m | 1.5m | 1.5m |
Angle Measurement | |||||
Measurement Method | Incremental Grating Encoder | | |||
Horizontal Angle | Dual | Single | Single | Single | Dual |
Vertical Angle | Single | Single | Single | Single | Single |
Accuracy | 2" | 5" | 10" | 20" | 2" |
Minimum readout | 1"/5" | 5"/10" | 1"/5" | ||
Diameter of circles | 71mm | 71mm | 71mm | 71mm | 71mm |
Vertical Compensation | |||||
Type | Liquid - Capacity | No Compensation | Liquid - Capacity | ||
Compensation Range | ±3" | | ±3" | ||
Sensitivity of Vial | |||||
Plate Vial | 30"/2mm | 30"/2mm | 30"/2mm | 30"/2mm | 30"/2mm |
Circular Vial | 8"/2mm | 8"/2mm | 8"/2mm | 8"/2mm | 8"/2mm |
Laser Level | |||||
Wave Length | | 635nm | |||
Effective Beam (in day) | | 200mm | |||
Spot Dia. | | 5mm/100m | |||
Optical Plummet | |||||
Magnification | 3X | 3X | |||
Field of View | 5° | 5° | |||
Focus Range | 0.5m - infinite | 0.5m - infinite | 0.5m - infinite | 0.5m - infinite | 0.5m - infinite |
Display | Double Side LCD with Back Light | Double LCD | |||
EDM Interface | RS232 | No | | ||
Data Output | RS232 | No | RS232 | ||
Battery Type | Ni - Hi | Ni - Hi | AA x 4 | Ni - Hi | |
Charging Time | 7hrs | 7hrs | | | 7hrs |
Operation Time | 20 hours | | |||
Voltage | 6V | | | ||
Operating Temperature | -10° - 50° | -10° - 50° | -10° - 50° | -10° - 50° | -10° - 50° |
Dimensions (mm) | 50 x 28 x 37 | 50 x 28 x 37 | 50 x 28 x 37 | 50 x 28 x 37 | 50 x 28 x 37 |
Weight | 10 kg | 10 kg | 10 kg | 10 kg | 10 kg |
Tribrach | Wild | Wild | Wild | ||
Slide Tribrach | No | |