TOPCON Electronic Total Station

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Electronic Total Station

Electronic Total Station GTS-720 series

GTS-720 series

Here Come Next Generation of Total Station !!

Topcon, the world leader in Precise Positioning Solutions, is now proud to announce the launch of the next generation of total station GTS-720 series, which features built-in Windows® CE.NET operating system, large & full color graphic display with touch pad, lithium-ion battery which assures the long time operation, and powerful on-board software. You can get all you need in this Total stations.

Model Name

GTS-721

GTS-722

GTS-723

GTS-725

Telescope

Length

150mm

Objective Lens Diameter

45mm (EDM 50mm)

Magnification (×)

30 ×

Image

Erect

Field of View

1°30′

Resolving Power

2.5″

Minimum Focus Distance

1.3m

Distance Measurement

Condition 1
  1 prism
  3 prisms
  9 prisms

3,000m
4,000m
5,000m

2,000m
2,700m
3,400m

Condition 2
  1 prism
  3 prisms
  9 prisms

3,500m
4,700m
5,800m

2,300m
3,100m
4,000m

Condition 1 :	Sight haze with visibility about 20 km (12.5 miles) moderate sunlight with light heat shimmer.
Condition 2 :	No haze with visibility about 40 km, overcast with no heat shimmer.

Accuracy

±(2mm + 2ppm× D*)m.s.e.

Least Count in Measurement
  Fine measurement Mode
  Coarse measurement Mode
  Tracking measurement Mode

1mm (0.005 ft.)/0.2mm (0.001 ft.)
10mm (0.002 ft.)/1mm (0.005 ft.)
10mm (0.002 ft.)

Measurement Display

11 digits: max. display ±999999.9999

Measuring Time

  Fine measurement Mode

  Coarse measurement Mode
  Tracking measurement Mode

1mm: Approx. 1.2sec. (Initial 4 sec.)
0.2mm: Approx. 2.8sec. (Initial 5 sec.)
0.7sec. (Initial 3 sec.)
0.4sec. (Initial 3 sec.)
(The initial time will be different by a condition)

Angle Measurement

Method

Absolute reading

Horizontal

2 sides

Vertical

2 sides

Minimum Reading

0.5″/1″
(0.1 / 0.5mgon)

1″/5″
(0.2 / 1mgon)

Accuracy **

1″
(0.3mgon)

2″
(0.6mgon)

3″
(1mgon)

5″
(1.5mgon)

Diameter of circle

71mm

Tilt Correction

Type

Dual axis

Method

Liquid type

Compensating range

±4′

Correction unit

1″ (0.1 mgon)

Computer unit

Microsoft Windows® CE.NET 4.2

Processor

176.9Mhz Hitachi SH7750R

Memory
RAM
ROM

64M byte
2M byte (Flash ROM)+64M byte(Flash Disk)
(A portion is used for pre-installed programs and data management function)

Display

320 × 240 (QVGA) dots Graphic LCD TFT color display
with back lights and touch panel function

2 sides

1 side

Card system

CompactFlash^TMCard (Type I/II)

Interface

Serial I/F Port

RS-232C(6 pin)
USB (type B) for ActiveSync®

Other

Instrument height

182mm

Level sensitivity
Circular level
Plate level

10″ / 2mm
30″ / 2mm

Optical plummet
  Magnification
  Focusing range
  Image

3 ×
0.5m to infinity
Erect

Point Guide

Provided

Dimension

GTS-721 / 722 / 723 : 343(H) × 245(W) × 219(L)mm
GTS-725 : 343(H) × 245(W) × 199(L)mm

Weight

Instrument
(with battery)

6.2kg(13.6lbs)

6.1kg(13.4lbs)

Plastic carryng case

4.7kg(10.3lbs)

Durability

Dust/Water protection

IP54(Base on the standard IEC60529)

Ambient Temperature Range

-20°C to +50°C (-4°F to +122°F)

Power Source

On-board Lithium-ion battery BT-61Q (This battery does not contain mercury)

Output voltage

DC 7.2V

Capacity
  Maximum operating time at
  +20°C
  Including distance measurement
  Auto measurement only
  Weight

4400m Ah

Approx. 7.5 hours
Approx. 10 hours
0.2kg(0.4lbs)

Battery Charger BC-30

Input Voltage

AC 120-240V

Frequency

50 / 60Hz

Recharging Time
(at +20°C/+68°F)

4 hours

Ambient temperature range

+10°C to +40°C (+50°F to +104°F)

Weight

0.15kg(0.3lbs)

D*: Measuring distance (mm)
** : Standard deviation based on DIN18723

Topcon original tripod

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