Item Brochure

DT-300 series
SPECIFICATIONS
TOPCON CORPORATION
75-1 Hasunuma-cho, Itabashi-ku, Tokyo 174-8580, Japan
www.topcon.co.jp
- Bluetooth
®
word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Topcon is under license.
- Other trademarks and trade names are those of their respective owners.
- Specifications may vary by region and are subject to change without notice.
- Bluetooth
®
word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Topcon is under license.
- Other trademarks and trade names are those of their respective owners.
- Specifications may vary by region and are subject to change without notice.
TOPCON CORPORATION
75-1 Hasunuma-cho, Itabashi-ku, Tokyo 174-8580, Japan
www.topcon.co.jp
<Contact to>
Topcon Singapore Positioning Pte. Ltd.
1 Jalan Kilang Timor,
#09-01 Pacific Tech Centre, Singapore 159303
Phone: [phone] Fax : [phone]
Email : [e-mail]
Web : www.topcon.com.sg
TOPCON CORPORATION
75-1 Hasunuma-cho, Itabashi-ku, Tokyo 174-8580, Japan
Phone: [phone] Fax: [phone]
www.topcon.co.jp
P.O.Box 371028, LIU J-11, Dubai Airport Free Zone, Dubai, UAE
Phone : [phone] Fax : [phone]
Topcon Positioning Middle East and Africa FZE
Your Local Authorized Dealer is:
- Bluetooth
®
word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Topcon is under license.
- Other trademarks and trade names are those of their respective owners.
- Specifications may vary by region and are subject to change without notice.
Your Local Authorized Dealer is:
Your Local Authorized Dealer is:
- Bluetooth
®
word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Topcon is under license.
- Other trademarks and trade names are those of their respective owners.
- Specifications may vary by region and are subject to change without notice.
Your local Authorized Dealer is:
TOPCON CORPORATION
75-1 Hasunuma-cho, Itabashi-ku, Tokyo 174-8580, Japan
www.topcon.co.jp
<Contact to>
Topcon Sokkia India Private Limited
Unit No.101 to 106A, 1st Floor, ABW Tower, MG Road, Sector-25,
IFFCO Chowk, Gurgaon, Haryana-122001.India
Phone: [phone]
Email : [e-mail]
Web : http://www.topconsokkia.ind.in/
Model
DT-305 DT-305L DT-309G DT-309GL
Telescope
Length 149 mm 152 mm 149 mm 152 mm
Aperture 45 mm
Magnification 30X
Image Erect
Field of view 1°30’ (26 m/1,000 m)
Resolving power 2.5"
Minimum focus 0.9 m 1.0 m 0.9 m 1.0 m
Stadia ratio 100
Stadia constant 0
Angle measurement
Method
Rotary absolute encoder
Detecting
Horizontal: 1 sides
Vertical: 1 sides
Minimum display
1" (0.0002 gon/0.01 mil)/
5" (0.001 gon/0.1 mil) (selectable)
10" (0.002 gon/0.05 mil)/
20" (0.005 gon/0.1 mil) (selectable)
Accuracy
*1
5" 9"
Display Unit 2 sides 1 sides
Tilt angle compensation
Type Automatic vertical compensator -
Range of compensation ±3' (±0.0555 gon) -
Compensation constant
Can be changed (compensation is done at the same time with
vertical angle 0 point)
-
Optical plummet
Magnification 3X
Minimum focus 0.5 m
Sensitivity of levels
Circular level 10’ /2 mm
Plate level 30"/ 2 mm
Temperature
Operating temperature range -20 to 50°C (-4 to 122°F)
*2
Storage temperature range -30 to 60°C (-22 to 140°F) (no condensation)
Environmental durability Dust and water protection IP66 (IEC 60529: 2001)
Power Supply (Standard) Power source 4 AA alkaline batteries
Working duration at 20°C
(Standard)
Theodolite only about 230 hours about 250 hours
Laser only - about 80 hours - about 80 hours
Theodolite and laser - about 55 hours - about 55 hours
Power Supply (Option) Power source BDC71 (Optional accessory)
Working duration at 20°C
(Option)
Theodolite only about 300 hours about 350 hours
Laser only - about 100 hours - about 100 hours
Theodolite and laser - about 70 hours - about 70 hours
Tribrach Type
Detachable
Fixing
Laser-pointer
Signal source - Red laser diode (633 nm) - Red laser diode (633 nm)
Maximum output - 0.6 mW - 0.6 mW
Laser Class - Class 2 - Class 2
Laser beam range - 50 m (in daylight) - 50 m (in daylight)
Others
Size (with handle)
173 (D) X 181 (W) X 318 (H) mm
(Display on both sides)
173 (D) X 174 (W) X 318 (H) mm
(Display on one side)
Weight
4.1 kg (9.04 lb)
(with batteries and battery holder)
4.0 kg (8.82 lb)
(with batteries and battery holder)
*1: ISO 17123-3: 2001 *2: No direct sunlight for using high temperatures of 50°C (122 °F).
Optional accessories
• Main unit • DB-80 Battery holder • Lens cap • Tool pouch • Precision screwdriver • Lens brush • Hexagonal wrench (1.3 mm/2 mm/2.5 mm) • Adjusting pin • Wiping cloth
• Quick start manual • Carrying case • Carrying strap
• Plumb bob • Model 13 Diagonal eyepiece • BDC71 Battery • CDC77 Charger
Standard components
©2020 Topcon Corporation All rights reserved. P-273-1 TSP