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Topcon DT-300 Series Theodolites
Short info :
Lightweight and Compact Angular Measurement Device
The DT-300 is a lightweight, compact alignment and angular measurement device which boasts up to 30 workdays of power; the highest water and dust protection in its category; and convenient, high-precision laser guidance.
Wizard Auto 250 KN - Automatic Compression Testing Machines
Description:
Key Features
Compact, Lightweight, and User-Friendly: The DT-300 Series is both compact and lightweight, allowing for easy transportation to and from job sites. Operation is user-friendly for surveying with varied skill levels.
Extended Operational Capacity: Long battery life, allowing for more than 140 hours of continuous measurement in angle mode. This extended battery life significantly reduces the need for battery replacement in the field, ensuring uninterrupted work and enhanced productivity.
What's Included:
- Theodolite
- Plumb Bob
- Tool Kit
- Lint-Free Lens Cloth
- Waterproof Protective Cover
- Hard Carrying Case
Features:
- High-accuracy (5″, 7″, and 9″ models) measurements
- Ultra-rugged IP66 dust and heavy rain protection
- Compact and lightweight
- Long-lasting Li-ion or AA battery life
- Easy-to-use LCD backlit display
- Precise laser pointer guidance
- Embedded tilt sensor for 5″ and 7″ models
Standards:
- N/A
Specifications:
Telescope
Length 149mm, 152mm (L models)
Aperture 45mm
Magnification 30X
Image Erect
Field of view 1°30’ (26m/1,000m)
Resolving power 2.5″
Minimum focus 0.9m, 1.0m(L)
Stadia ratio 100
Stadia constant 0
Angle Measurement
Method Rotary absolute encoder
Detecting Horizontal: 1 sides, Vertical: 1 sides
Minimum Reading
5″ Model: 1″ ( 5″ / 1″ selectable )
7″ Model: 5″ ( 10″ / 5″ selectable)
9″ Model: 10″ ( 20″ / 10″ selectable)
Accuracy
5″, 7”, 9”
Displays
2 sides for 5” and 7” model
1 side for 9” model
Tilt angle compensation (5” and 7” models)
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’ /2mm
Plate vial 30″/ 2mm
Power Supply
Power source
4 AA dry cells or BDC71 (Optional accessory)
Operating Time (4 AA alkaline batteries)
Theodolite only about 230 hours
Laser only about 80 hours (L Models)
Theodolite and laser about 55 hours (L Models)
Operating time (BDC71)
Theodolite only about 300 hours
Laser only about 100 hours (L models)
Theodolite and laser about 70 hours (L models)
Laser-pointer (L Models)
Signal source
Red laser diode (633nm)
Maximum output
0.6mW Laser Class Class 2 Laser beam range 50m (in daylight)
Ingress Protection
Dust and water resistance IP66 (JIS C 0920 : 2003)
Operating temperature range -20 to 50°C (-4 to 122°F)*2
Storage
Hardware temperature range -30 to 60°C (-22 to 140°F) (no condensation)
Size (with handle)
5″ and 7″ Models: 173 (W) X 181 (D) X 318 (H) mm
9″ Models: 173 (W) X 174 (D) X 318 (H) mm
Weight (with batteries and battery holder)
5″ and 7″ Models: 4.1 kg (9.04 lb)
9″ Models: 4.0 kg (8.82 lb)
Products:
• High-accuracy (5”, 7” and 9” models) measurements
• Ultra-rugged IP66 dust and heavy rain protection
• Compact and light weight
• Long-lasting Li-ion or AA battery life Powered by the Topcon BDC Li-Ion platform!
• Easy-to-use LCD backlit display
• NEW larger display
• Precise laser pointer guidance (L models only)
• Embedded tilt sensor for 5” and 7” models
The DT-200 series theodolites have been discontinued