| ngle Measurement |
Accuracy |
N41: 1” |
| N40: 2” |
| Minimum Reading |
N41: 0.1”/1” |
| N40: 1”/5” |
| Measure Method |
Absolute Encoding Disk |
| Diatmeter of Encoding Disk |
79mm |
| Detection Method |
Horizontal: 4-path, Vertical: 4-path |
| Angle Unit |
360°/400gon/6400mil |
| Horizontal 0/Vertical 0 |
V0/H0 |
| Distance Measurement |
Laser Class |
Laser Class 3R |
| Wavelength |
685nm |
| Distance Unit |
m/ft |
| EDM System |
Basic Frequency 70-150MHz |
| Constant K |
Auto Correction, K=0.14/0.2 |
| Prism Constant |
Auto Correction |
| Atmosperic Correction |
Auto Correction |
| Accuracy: Prism |
N41: 1+1ppm |
| N40: 2+2ppm |
| Accuracy: Reflective Sheet |
3+2ppm |
| Accuracy: Reflectorless |
3+2ppm |
| Measure Range: Prism |
Single: 4000m / Triple: 5000m |
| Measure Range: Prism Enhanced |
Single: 5000m / Triple: 6000m |
| Measure Range: Reflective Sheet |
1200m |
| Measure Range: Reflectorless |
1500m |
| Meaasure Speed: Prism |
Single <1.2s, Repeat <0.5s, Tracking <0.25s |
| Meaasure Speed: Reflective Sheet |
Single <1.0s, Repeat <0.5s, Tracking <0.25s |
| Meaasure Speed: Reflectorless |
Single: 0.5s-3s; Tracking: 0.25s-3s, max.10s |
| Telescope |
Image |
Erect |
| Magnifcation |
30x |
| Effective Aperture |
45mm(DTM:47mm) |
| Resolution |
3″ |
| Field of View |
1°30′ |
| Minimum Focus |
1.5m |
| Tube Length |
152mm |
| Retical Illumination |
Adjustable, 4 Levels |
| Vial |
Plate Vial |
30“/2mm |
| Circular Vial |
8′/2mm |
| Compensator |
System |
Dual-axis Liquid-electric Sensor |
| Working Range |
±6’ |
| Resolution |
1” |
| Plummet |
Laser Plummet: Laser Class |
Class 2. Red Laser |
| Laser Plummet: Wavelength |
635nm |
| Laser Plummet: Power |
0.5mW |
| Laser Plummet: Diameter |
≤2.0mm@ 1.5m |
| Laser Plummet: Brightness |
Adjustable, 5 Levels |
| Auto Height *1*2: Measure Range |
0.5m-3m |
| Auto Height *1*2: Accuracy |
±1.5mm@ 1.5m |
| Optical Plummet: Image |
N41: - |
| N40: Erect |
| Optical Plummet: Magnifcation |
N41: - |
| N40: 3x |
| Optical Plummet: Focusing Range |
N41: - |
| N40: 0.3m~∞ |
| Optical Plummet: Field of View |
N41: - |
| N40: ±4° |
| Guide Light*1 |
Type |
LED |
| Wavelength |
Red 635nm / Yellow 590nm |
| Effective Distance |
200m |
| Camera*2 |
Pixel |
N41: 780,000 |
| N40: - |
| Focal Length |
N41: 16mm |
| N40: - |
| Sight of View |
N41: 12.5*11.7 Degree |
| N40: - |
| Refresh Rate |
N41: 11 Frames/s |
| N40: - |
| Depth of Field |
N41: 2m-∞ |
| N40: - |
| Storage |
N41: jped |
| N40: - |
| Digital Zoom |
N41: 1x, 2x, 3x |
| N40: - |
| White Balance |
N41: Auto |
| N40: - |
| Brightness |
N41: Auto |
| N40: - |
| Display Unit & Keyboard |
Display Unit |
4.0 Inches Colorful LCD Touch Screen |
| Resolution |
800*480 |
| Backlight |
Adjustable, 8 Levels |
| Keyboard |
30 Keys |
| Memory |
Internal Memory |
98M, 120,000 Points |
| External Memory |
16GB |
| Data Transfer |
USB 2.0 Type A (Max.256GB), Micro USB, RS-232, Bluetooth 2.0/4.2, Wi-Fi 802.11a/b/g |
| Power Supply |
Type |
LI-ION Rechargeable Battery |
| Voltage |
7.4V |
| Capacity |
3900mAh, 29wh |
| Working Time |
10 Hours |
| Charging Time |
3 Hours |
| Others |
Working Temperature |
-20°C~+50°C |
| Storage Temperature |
-40°C~+70°C |
| Size |
206mm*200mm*353mm |
| Weight |
6kg |
