| After-sales Service: | 1 Year |
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| Warranty: | 1 Year |
| Accuracy: | 2" |
| Samples: |
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| Customization: |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 
Onboard System
With the highly productive function and performance on each level, N41 has a wide range of applications such as surveying, engineering and constructions. The internal Bluetooth, SD Card port and USB afford a direct and fast data transfer between total station and PC.
Tunnel System
With the characteristics of simple operation, graphical display, rapid and accurate calculation, it can easily realize the section data acquisition, analysis, construction stake-out, random detection in real-time. This software is convenient for operator to finish the tunnel project, also meet all the requirement of saving money and time.
· Real-time graphic display for data collection.
· Reliable analysis of section measurement result, fast calculation for tunnel overbreak and underbreak.
· Auto-match and calculation among designed flat curve, designed vertical curve, theoretical section and actual measuring data.
· 3D coordinate of blast hole profile, can stake-out directly in tunnel.
| Distance Measurement | Reflectorless | 1000m |
| Single Prism | 5000m | |
| Accuracy: Non Prism | 3+2ppm | |
| Accuracy: Prism | N41: 1+1ppm N40: 2+2ppm |
|
| Sheet | 3+2ppm | |
| Measurement Time | 1.2s In Fine 0.2s In Tracking |
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| Atmospheric Correction | Manual Input, Auto Correction | |
| Prism Constant | Manual Input, Auto Correction | |
| Temperature Correction | Sensor Reading | |
| Distance Reading | Max: 99999999.999m Min: 1mm | |
| Angle Measurement | Accuracy | N41: 1" N40: 2" |
| Method | Absolute, Continuous | |
| Disk Diameter | 79mm | |
| Detection Method | V: Quadruple, H: Quadruple | |
| Angle Reading | Min: 0.1" | |
| Telescope | Image | Erect |
| Tube Length | 152mm | |
| Effective Aperture | 45mm (EDM 47mm) | |
| Magnification | 30x | |
| Field Of View | 1°30' | |
| Resolving Power | 3" | |
| Minimum Focus Distance | 1.5m | |
| Reticle Illumination | 4 Brightness Levels | |
| Keyboard And Display | Keyboard | Alphanumeric 30 Keys |
| Display | 3.5 Inches, Color Touch LCD | |
| Resolution | 320*240 dpi | |
| Position | Face 1, Face 2 | |
| Operation System | Operation System | None |
| Processor | None | |
| Memory | 98M, 833000 Data Block | |
| Interface | WIFI | None |
| Bluetooth | BT4.0 | |
| SD Card | Yes | |
| Serial Port | Yes | |
| Mini USB | Yes | |
| Mirco USB | None | |
| USB Flash Disk | Yes | |
| SIM Card | None | |
| Compensator | System | Liquid, Dual Axis |
| Working Range | ±6' | |
| Accuracy | 1" | |
| Plummet | Laser Plummet (Default) | |
| Accuracy | ±1.5mm @1.5m | |
| Laser Brightness | 5 Levels Adjustable | |
| Wavelength | 635nm | |
| Laser Class | Class 2 | |
| Laser Power | 0.5mW | |
| Optical Plummet (Optional) | ||
| Image | Erect | |
| Magnification | 3x | |
| Focusing Range | 0.5m -- | |
| Field Of View | 5" | |
| Accuracy | - | |
| Battery | Type | Lithium |
| Voltage | 7.4V | |
| Operating time | 8 hours | |
| Vial | Plate Vial | 30" /2mm |
| Circular Vial | 8' /2mm | |
| General | IP Rate | IP54 |
| Temperature Range | -20°C -- +50°C | |
| Dimension | 206*200*353mm | |
| Weight | 6.0kg | |
| Others | Trigger Key | |
| Others | Camera Optional | |
| Others | Auto Height Optional |
Suppliers with verified business licenses
Audited Supplier 
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