TOPCON Electronic total station GTS-220 series

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Electronic Total Station

Electronic total station GTS-220 series

GTS-220 series

TOPCON proudly announces the debut GTS-220 Series as the innovative successor to the best selling GTS-210 Series Total Stations.
The GTS-210 Series with "Waterproof" design brought revolution to the surveying industry with features and durability.
Now the new GTS-220 Series has up-graded its basic functions for distance and angle measurement in addition to maintaining superb durability against the environment.
The GTS-220 Series is also provided with a longer life battery of 10 hours, and various kinds of application programs makes surveying work quick and simple in the field.
The features included with the "All Weather" highly productive GTS-220 Series Total Stations are setting a new standard for surveying!

Model Name

GTS-223

GTS-225

GTS-226

GTS-229

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 (9,900ft)
4,000m (13,200ft)
5,000m (16,400ft)

2,000m (6,600ft)
2,700m (8,900ft)
3,400m (11,200ft)

Condition 2
1 prism
3 prisms
9 prisms

3,500m (11,500ft)
4,700m (15,400ft)
5,800m (19,000ft)

2,300m (7,500ft)
3,100m (10,200ft)
4,000m (13,200ft)

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 (25 miles), overcast with no heat shimmer.

Accuracy

±(2mm + 2ppm× D)m.s.e.

±(3mm + 3ppm× D)m.s.e.

D: Measuring distance (mm)

Least Count in Measurement

Fine Mode

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

Coarse Mode

10mm (0.02 ft.)/1mm (0.005 ft.)

Tracking Mode

10mm (0.02 ft.)

Measurement Display

11 digits: max. display 9999999.9999

Measuring Time

  Fine Mode

  Coarse Mode
  Tracking Mode

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

Atmospheric Correction Range

-999.9 to +999.9ppm (By 0.1ppm)

Prism Constant Correction Range

-99.9 to +99.9mm (By 0.1mm)

ANGLE MEASUREMENT

Method

Absolute Reading

Detecting System

H: 2 sides V: 1 side

H: 1 side V: 1 side

Minimum Reading

1″/5″
(0.2 / 1mgon)

5″/10″
(1 / 2mgon)

Accuracy *

3″
(1mgon)

5″
(1.5mgon)

6″
(1.8mgon)

9″
(2.7mgon)

Measuring Time

Less than 0.3 sec.

Diameter of circle

71mm

DISPLAY

Display Unit

Dot matrix LCD 20 characters × 4 lines with Blacklight

2sides

1side

Keyboard

10 function keys

TILT CORRECTION (AUTOMATIC INDEX)

Tilt sensor

Dual axis

Single axis

Method

Liquid type

Compensating range

±3′

Correction unit

1″ (0.1 mgon)

OTHERS

Instrument height

176mm(6.93in)

LEVEL SENSITIVITY

Circular level

10′ / 2mm

Plate level

30″ / 2mm

40″ / 2mm

LASER PLUMMET : STANDARD

OPTICAL PLUMMET TELESCOPE (OPTION)

Magnification

3 ×

Focusing Range

0.5m to infinity

Image

Erect

Field of view
(at 1.3m)

5°(dia.114mm)

DIMENSIONS

336(H) × 184(W) × 150(L)mm
[13.2(H) × 7.2(W) × 5.9(L)in.]

Weight

Instrument
(with battery)

4.9kg (10.8 lbs.)

Plastic carryng case

3.2kg (7.1 lbs.)

DURABILITY

Water protection

IPX 6 (with BT-52QA)

Ambient temperature range

-20°C to +50°C (-4°F to +122°F)

BATTERY BT-52QA

Output voltage

7.2V

Capacity

2.7AH (Ni-MH)

Maximum operating time at +20°C(+68°F)

Including distance measurement

10 hours (12,000 points)

Angle measurement only

45 hours

Weight

0.3kg (0.7 lbs.)

BATTERY CHARGER BC-27BR / 27CR

Input Voltage

AC120(BC-27BR) AC230(BC-27CR)

Frequency

50 / 60Hz

Recharging Time
(at +20°C/+68°F)

1.8 hours

Operating temperature

+10°C to +40°C (+50°F to +104°F)

Weight

0.5kg (1.1 lbs.)

* : Standard deviation base on DIN18723

Topcon original tripod

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