Topcon DT-309G Digital Theodolite

Product Description

Topcon DT-309G Digital Theodolite

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Brand new design with laser pointer for efficient alignment setting work!

Lightweight, compact angular measurement with highprecision laser guidance and up to 30 workdays of power

• Long-lasting Li-ion or AA battery life with up to 30 workdays*2 of power
• Convenient high-precision laser guidance
• Brand new product design utilizing Topcon premium quality total station components
• Embedded tilt sensor in 5” model
• Ultra-rugged IP66 dust and heavy rain protection

Features Topcon DT-309G Digital Theodolite

• 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
• Easy-to-use LCD backlit display
• Precise laser pointer guidance
• Embedded tilt sensor for 5” and 7” models

Specifications Topcon DT-309G Digital Theodolite

Telescope

• Length :149 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
• Stadia ratio : 100
• Stadia constant : 0

Angle measurement

• Method : Rotary absolute encoder
• Detecting :
• Horizontal: 1 sides
• Vertical: 1 sides
• Minimum display : 10″ (0.002 gon/0.05 mil)/20″ (0.005 gon/0.1 mil) (selectable)
• Accuracy : 9″

Display

• Unit : 1 sides
• 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
• Theodolite only : about 250 hours
• Power Supply (Option)Power source : BDC71 (Optional accessory)
• Theodolite only : about 350 hours
• Tribrach Type : Fixing

Others

• Size (with handle) : 173 (D) X 174 (W) X 318 (H) mm(Display on one side)
• Weight : 4.0 kg (8.82 lb) (with batteries and battery holder

Standard components :

• 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

Optional accessories :

• Plumb Bob
• Model 13 Diagonal eyepiece

Work fast, with precision

With our DT-300 you’ll be up and working fast, thanks to its simple interface and large, easy-to-see backlit LCD. There’s an optical plummet that makes set up over a control point easy, and a tilt sensor that provides ±3 minute angle correction.

With a range of angular accuracies available, only Topcon can offer the precision, durability, and advanced technology found in the DT-300 series.