|
Model Name
|
GTS-233N
|
GTS-235N
|
GTS-236N
|
GTS-239N
|
|
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
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±(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
|
|
Control Panel
|
2sides
|
1side
|
|
Keyboard
|
24 numeric 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 : OPTION
|
|
OPTICAL PLUMMET TELESCOPE (STANDARD)
|
|
Magnification
|
3 ×
|
|
Focusing Range
|
0.5m to infinity
|
|
Image
|
Erect
|
|
Field of view
(at 1.3m)
|
5°(dia.114mm)
|
|
DIMENSIONS
|
|
343(H) × 184(W) × 150(L)mm
|
|
Weight
|
|
Instrument
(with battery)
|
4.9kg (10.8 lbs.)
|
|
Plastic carryng case
|
3.2kg (7.1 lbs.)
|
|
DURABILITY
|
|
Water protection
|
IP 66 (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.)
|
Alat Survey 
