Model Name : GTS-233N
TELESCOPE
-Length : 150mm
-Objective Lens Diameter : 45mm -(EDM 50mm)
-Magnification : 30 ×
-Image : Erect
-Field of View : 1°302
-Resolving Power : 2.53
Minimum Focus Distance : 1.3m
DISTANCE MEASUREMENT
-Condition 1
1 prisms : 2,000m (6,600ft)
3 prisms : 2,700m (8,900ft)
9 prisms : 3,400m (11,200ft)
Condition 2
1 prisms :2,300m (7,500ft)
3 prisms :3,100m (10,200ft)
9 prisms :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 :±(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 : 1mm: 1.2sec. (Initial 4 sec.)
0.2mm: 2.8sec. (Initial 5 sec.)
- Coarse Mode : 0.7sec. (Initial 3 sec.)
0.4sec. (Initial 3 sec.)
-Tracking Mode : (The initial time will be different by a
condition and setting EDH off time.)
ANGLE MEASUREMENT
-Method : Absolute Reading
-Detecting System : H: 1 side V: 1 side
-Minimum Reading : 53/103 (1 / 2mgon)
-Accuracy *: 93 (2.7mgon)
-Measuring Time : Less than 0.3 sec.
-Diameter of circle : 71mm
DISPLAY
-Display Unit : 1side characters × 4 lines with Blacklight 2sides
-Keyboard : 24 numeric keys
TILT CORRECTION (AUTOMATIC INDEX)
-Tilt sensor : Single axis
-Method : Liquid type
-Compensating range : ±32
-Correction unit : 13 (0.1 mgon)
OTHERS
-Instrument height : 176mm(6.93in)
LEVEL SENSITIVITY
-Circular level : 102 / 2mm
-Plate level : 403 / 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
-Weight : 343(H) × 184(W) × 150(L)mm
-Instrument : (with battery) 4.9kg 10.8 lbs.)
-Plastic carryng case : 3.2kg (7.1 lbs.)
DURABILITY
-Water protection : IP 66 (with T-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.)