GPT-3003LN/N

Telescope
- Length : 150mm
- Objective Lens Diameter : 45mm (EDM 50mm)
- Magnification : 30x
- Image : Erect
- Field of View : 1°30'
- Resolving Power : 2.8"
- Min.Focus Distance : 1.3m (4.9ft)
Distance Measurement

= Prism Mode :
- Measuring Range (1 prism) : 3,000m

= Condition 1: Slight haze with visibility about 20km (12.5miles) moderate sunlight with light heat shimmer.
- Measurement accuracy : :
>Fine : +/-(3mm+2ppm)m.s.e.
>Coarse: +/-(7mm+2ppm)m.s.e.
Non Prism Mode (Diffusing Surface)
- Measuring Range : 1.5m to 250m
- Measuring Accuracy :
>Fine Mode :+/-(5mm)m.s.e. (25m or more)
>'+/-(10mm)m.s.e. (1.5-25m)
>Coarse : +/-(10mm)m.s.e.
- Measuring Time :
>Fine 1mm mode : Approx 1.2sec (Initial 3sec)
>Fine 0.2mm mode: Approx 3.0sec (Initial 4sec)
>Coarse mode 1mm/10mm : Approx 0.5sec (initial 2.5sec)
Non Prism Long Mode (Diffusing Surface)
- Measuring Range : 5m to 1,200m
- Measuring Accuracy
(+/-(10mm+10ppm)m.s.e.
>Coarse 5/10mm : +/-(20mm+10ppm)m.s.e.
>Tracking (10mm)mode : +/-(100mm)m.s.e.
- Measuring Time :
>Fine 1mm mode : Approx 1.5 to 6sec (Initial 6-8sec)
>Coarse mode (5/10mm): Approx 1 to 3 sec (Initial 6 to 8sec)
>Tracking (10mm)mode : Approx 0.4sec (Initial 4 to 7 sec)

= Least Count in Measurement
- Prism Mode / Non Prism Mode :
>Fine Mode 1mm / 0.2mm
>Coarse Mode : 10mm/1mm
- Non Prism Long Mode :
>Fine Mode : 1mm
>Coarse Mode : 5mm/10mm
>Tracking Mode : 10mm

= Others
- Measurement Display : 12digits : max display 99999999.9999
- Atmospheric Correction Range :-999.9ppm to +999.9ppm, in 0.1ppm increments
- Prism Constant Correction Range :-99.9mm to +99.9mm, in 0.1mm increments

= Angle Measurement
- Method : Absolute Reading
- Detecting System :
>H: 2sides
>V: 1sides
- Minimum Reading : 1"/5" (0.2/1mgon)
- Accuracy : 3" (1mgon)
- Measuring Time : Less than 0.3sec
- Diameter of Circle : 71mm

= Display
- Display Unit :
>Graphics LCD 160x64 dots with backlight
>2sides
- Keyboard : Alpha-Numeric Key

= Tilt Correction (Automatic Index)
- Tilt Sensor : Dual Axis
- Method : Liquid type
- Compensating Range : +/-3'
- Correction Unit : 1" (0.1mgon)
- Others : Others
- Data Recording (Memory) : Approx 24,000 points
- Instruments Heights : 176mm (6.93in)
- Laser Class
>Class 1 (for distance measurement)
>Class 2 (Laser Pointer : On/Off Switchable)

= Level Sensitivity
- Circular Level : 10"/2mm
- Plate Level : 20"/2mm

= Size / Weight
- Dimention :336(H)x184(W)x172(L)mm
- Weight
>Instrument (with battery) : 5.3kgs
>Plastic Carrying Case : 3.4kgs (Slightly different depending on market)

= Durability
- Water & Dustproof : IP66 (incl BT-52QA battery) (Based on the standard IEC60529)
- Ambient Temperature Range : -20?C to +50?C

= Battery BT-52Q
- Output Voltage : DC7.2V
- Capacity : 2.7Ah (Ni-MH)
- Maximum Operating time (when fully recharged) at +20?C : Maximum Operating time (when fully recharged) at +20?C
- Distance+Angle Measurement
>GPT-3000LNseries : 3.5hours
>GPT-3000N series : 4.2hours
- Angle Measurement Only : 45hours
- Weight : 0.3kg

= Battery Charger BC-27
- Input Voltage : AC100-220V
- Frequency : 50/60Hz
- Recharging time (at +20?C) : 1.8hours (for BT-52QA battery)
- Discharging Time (at +20?C) : 8hours (for BT-52QA battery fully charged)
- Operating Temperature : +10°C to +40°C
- Weight : 0.5kg