【With Calibration Certificate】TOPCON Digital Theodolite Total Station DT-20S *Not used after calibration We also have a wide selection of surveying equipment and total stations available! 【Used】

Please let us know if you require a quote or receipt.
We will accommodate your needs flexibly.

●Bright and Sharp Compact Telescope
Combining proprietary optical technology, it offers a bright and sharp field of view in a compact size with an overall length of 149 mm. This high-performance telescope is designed for fast and accurate target sighting.

●One-Touch Cartridge
The internal power supply uses a one-touch cartridge system that ensures secure locking and smooth insertion and removal, while also being integrated with the main unit.

●Dry-Cell Battery Power Supply
The power supply uses compatible dry-cell batteries (4 AA batteries).

●Built-in Auto Cutoff Function
This energy-saving mechanism automatically turns off the power if left idle for 10 minutes (can also be set to 30 minutes).
With Centering Device

●With Centering Device
Features a convenient centering device for easy centering on the survey point. It allows for quick setup without disturbing the leveled state with a single touch.

●The DT-10, DT-10S, and DT-20S are
almost identical products.
The only differences are
the reading method (horizontal), the minimum display/display unit, and the sensitivity of the leveling vial..

▼Reading Method (Horizontal)
DT-10: Dual-side detection
DT-10S, DT-20S: Single-side detection

▼Minimum Display
DT-10, DT-10S: 10”(5”)
DT-20, DT-20S: 20”(10”)

▼Display Unit
DT-10: Dual-side display
DT-10S, DT-20S: Single-side display

▼Leveling Vial Sensitivity
DT-10, DT-10S: 40”/2mm
DT-20S: 60”/2mm

▼Telescope
Overall length…149mm
Effective aperture… 45mm
Magnification…30×
Image… Erect image
Field of view…1°30 ′
Resolving power…2.5″
Shortest focusing distance…0.9m
Stadia multiplier…100
Stadia addition…0

▼Horizontal and Altitude Reading
Scale diameter…71mm
Reading method (horizontal)…Single-side detection

Detection method (vertical)…Single-side detection
Minimum display…20″(10″)
Display unit…Single-side display

▼Vial Sensitivity
Leveling vial sensitivity…60″/2mm
Circular vial…10′/2mm

▼Centering Telescope
Magnification…3×
Focusing distance…0.5m to ∞
Image…Erect image
Field of view…5°

▼Centering Device
Movement range…20mm

▼Operating Voltage…4–6V, 4 AA batteries

▼Operating Temperature Range…
Nickel-cadmium batteries…-20℃ to +50℃
Manganese batteries…0℃ to +50℃
▼External Dimensions
Main unit…308×180×396mm
Case…211×245×396mm

▼Weight
Main unit…4.2kg
Case…3.4kg

※Specifications are for reference only. They are based on the manufacturer's website.
There may be errors in the description. Please contact us if you find any, and we will correct them. Please use the specifications for reference only.
For more details, please contact the manufacturer.

The shipping area is Kyoto.

■Shipping Fee (Prepaid Only)
Flat rate of 3,200 yen nationwide
Shipping to Hokkaido, Okinawa, and remote islands is also at the same rate.



※We provide shipping insurance for all items we ship.
If the item is damaged, please contact us.
If the damaged area can be repaired, we will arrange for repair.
Returns are not accepted. Thank you for your understanding.

●Please let us know if you require a quote or receipt.
We will accommodate your needs flexibly.


●We can issue a set of three documents: a quote, invoice, and delivery note.
Please provide the detailed information required for issuance (billing address, shipping address, seal/date, etc.).
※If required, please contact us before purchasing.