<Specifications of GPT-3000LN> | GPT-3002LN/N | GPT-3003LN/N | GPT-3005LN/N | GPT-3007LN/N |
TELESCOPE | Length | 150mm |
Objective Lens Dia. | 45mm (EDM 50mm) |
Magnification | 30x |
Image | Erect |
Field of View | 1°30´ |
Resolving Power | 2.8" |
Min. Focus Distance | 1.3m (4.9 ft.) |
DISTANCE MEASUREMENT:
Prism Mode | Measuring Range
1 prism | 3,000m
Condition 1: Sight haze with visibility about 20km (12.5 miles)
moderate sunlight with light heat shimmer. |
Measurement Accuracy | Fine: (3mm+2ppm)m.s.e. |
Coarse: (7mm+2ppm)m.s.e. |
Measuring Time | Fine mode 1mm: Approx. 1.2 sec. (Initial 3 sec.)
0.2mm: Approx. 3.0 sec. (Initial 4 sec.) |
Coarse mode 1mm/10mm
Approx. 0.5 sec. (Initial 2.5 sec.) |
DISTANCE MEASUREMENT:
Non-Prism Mode (Diffusing Surface) | Measuring Range | 1.5m to 250m |
Measuring Accuracy | Fine: 1.5 to 250m (10mm)m.s.e. 25m or more (5mm)m.s.e. |
Coarse: (10mm)m.s.e. |
Measuring Time | Fine mode 1mm: Approx. 1.2 sec. (Initial 3 sec.)
0.2mm: Approx. 3.0 sec. (Initial 4 sec.) |
Coarse mode 1mm/10mm:
Approx. 0.5 sec. (Initial 2.5 sec.) |
DISTANCE MEASUREMENT:
Non-Prism Long Mode (Diffusing Surface)** | Measuring Range | 5m to 1,200m |
Measuring accuracy
(<500m, Kodak Gray Card White Surface (90%)) | Fine 1mm: (10mm+10ppm)m.s.e. |
Coarse 5mm/10mm: (20mm+10ppm)m.s.e. |
Tracking 10mm: (100mm)m.s.e. |
Measuring Time | Fine mode 1mm:
Approx. 1.5 to 6 sec. (Initial 6 to 8 sec.) |
Coarse mode 5mm/10mm:
Approx. 1 to 3 sec. (Initial 6 to 8 sec.) |
Tracking mode 10mm:
Approx. 0.4 sec. (Initial 4 to 7 sec.) |
DISTANCE MEASUREMENT | Least Count in Measurement:
Prism Mode/Non-Prism Mode | Fine mode 1mm/0.2mm |
Coarse mode 10mm/1mm |
Least Count in Measurement:
Non-Prism Long Mode | Fine mode 1mm |
Coarse mode 5mm/10mm |
Tracking mode 10mm |
Measurement Display | 12 digits: max. display 99999999.9999 |
Atmospheric Correction Range | -999.9ppm to +999.9ppm, in 0.1ppm increments |
Atmospheric Correction Range Prism Constant Correction Range | -99.9mm to +99.9mm, in 0.1mm increments |
ANGLE MEASUREMENT | Method | Absolute Reading |
Detecting System | H: 2 sides
V: 2 sides | H: 2 sides
V: 1 sides | H: 1 sides
V: 1 sides |
Minimum Reading | 1″/5″
(0.2/1mgon) | 5″/10″
(1/2mgon) |
Accuracy* | 2″
(0.6mgon) | 3″
(1mgon) | 5″
(1.5mgon) | 7″
(2mgon) |
Measuring Time | Less than 0.3 sec. |
Diameter of Circle | 71mm |
DISPLAY | Display Unit | Graphics LCD 160x64 Dots with backlight |
2 sides | 1 side |
Keyboard | Alpha-Numeric key |
TILT CORRECTION (AUTOMATIC INDEX) | Tilt Sensor | Dual axis | Single axis |
Method | Liquid type |
Compensating Range | ±3´ |
Correction Unit | 1″ (0.1mgon) |
OTHERS | The Number of Measuring Points Instrument | Approx. 24,000 points |
Height | 176mm (6.93 in.) |
Laser Class | Class 1 (for distance measurement) |
Class 2 (Laser Pointer on) |
LEVEL SENSITIVITY | Circular Level | 10´ /2mm |
Plate Level | 30″ /2mm | 40" /2mm |
DIMENSION | 336(H)x184(W)x172(L)mm/13.2(H)x7.2(W)x6.8(L)in. |
WEIGHT | Instrument (with battery) | 5.3kg (11.6 lbs.) |
Plastic Carrying Case | 3.4kg (7.5 lbs.)
(Weight of the carrying case may be slightly different due to
specific market.) IP66 (with BT-52QA) (Based on the standard
IEC60529) |
DURABILITY | Protection against water and dust | IP66 (with BT-52QA) (Based on the standard IEC60529) |
Ambient Temperature Range | -20℃ to +50℃ (-4°F to +122°F) |
BATTERY
BT-52Q | Output Voltage | DC 7.2V |
Capacity | 2.7 Ah (Ni-MH) |
Maximum operating time (when fully recharged) at +20C (+68°F):
Including distance measurement | 3000LN: 3.5 hours, 3000N: 4.2 hours |
Maximum operating time (when fully recharged) at +20C (+68°F):
Angle measurement only | 45 hours |
Weight | 0.3kg (0.7 lbs.) |
BATTERY CHARGER
BC-27 | Input Voltage | AC 100～120V (BC-27) |
Frequency | 50/60Hz |
Recharging Time
(at +20℃/+68°F) | Battery BT-52QA: 1.8 hours |
Discharging Time
(at +20℃/+68°F) | Battery BT-52QA: 8 hours (in case of full charge) |
Operating Temperature | +10℃ to +40℃ (+50°F to 104°F) |
Weight | 0.5kg (1.1 lbs.) |
