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eSurvey E3 & E3L
The eSurvey E3/E3L is a high-precision manual total station, with accurate angle and distance measurement. It works reliably and delivers precise results even in harsh environments. And its simple operations make most survey and stakeout tasks more efficiently.
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Description
Overview
More Accurate Measurement
Measure angle more accurately, supported by our absolute encoder and distance, and measure distance more accurately, supported by our powerful EDM unit.
Rich Software Applications
Experience rich applications, including offsets, tie distance, area & volume, remote height, reference line/arc, construction, and 2D road, to meet your field measurement needs.
Faster and More Convenient Measurement
Measure more points per day due to faster measurement and stakeout (including guide light, and trigger key for instant measuring), supported by our comprehensive and user-friendly software.
High Quality, Designed for Harsh Environments
Operate the device even under harsh environments (like dust, mud, rain, extreme heat, and cold) for many years, supported by its high level of quality.
More Reliable Result
Use both X-axis and Y-axis compensators to ensure the reliability of your measurement result.
Multiple Interfaces
Supports RS-232C(6-pin). The user can update firmware and SD card, and mini-USB that the user can import and export data.
Specifications
| E3 | E3L | ||
Angle Measurement |
|||
| Reading system | Absolute encoder | √ | √ |
| Display resolution | 1” / 5” / 10” | √ | √ |
| Accuracy | 2” | √ | √ |
Distance Measurement |
|||
| Minimum reading | 0.0001 m | 0.001 m | |
| Measurement display | 10 digits | √ | √ |
| Range | n Prism: 2 – 3000 m
n Reflector: 2 – 800 m n Non-Prism: 2 – 800 m |
√ | √ |
| Accuracy
|
n Prism: ± (2 mm + 2 ppm • D)
n Reflector: ± (3 mm + 2 ppm • D) n Non-Prism: · 2 – 150 m: ± (3 mm + 2 ppm • D) · 150 – 300 m: ± (5 mm + 3 ppm • D) · 300 – 500 m: ± (10 mm + 5 ppm • D) · 500 – 800 m: ± (20 mm + 10 ppm • D) |
√ | √ |
Telescope |
|||
| Magnification | 30x | √ | √ |
| Field angle | 1°30′ | √ | √ |
| Minimum focus | 1 m | √ | √ |
| Objective aperture | 50 mm | √ | √ |
| Image | Erect | √ | √ |
| Resolution | 3” | √ | √ |
| Reticle illumination | 10 levels | 1 level | |
| Laser pointer | Support | √ | √ |
| Guide light | Support | √ | √ |
Compensator |
|||
| Compensator type | Dual axis | √ | √ |
| Compensator range | ±3’ | √ | √ |
| Compensator resolution | 1” | √ | √ |
Measurement Time |
|||
| Tracking/rapid/fine | 0.2 s / 0.6 s / 1 s | √ | √ |
Level Vial Sensitivity |
|||
| Plate level | 30” / 2 mm | √ | √ |
| Circular level | 8’ / 2 mm | √ | √ |
Laser Plummet |
|||
| Laser accuracy | ±1 mm within 0.8 – 1.5 m | √ | √ |
| Laser spot | ≤2 mm within 0.8 – 1.5 m | √ | √ |
| Wavelength | 635 nm | √ | √ |
| Safety | Class 2 | √ | √ |
| Output power | 0.7 – 1.0 mW | √ | √ |
Data Management |
|||
| Memory | 50,000 points | √ | √ |
| SD card | 8 GB | √ | √ |
| Bluetooth | Support | √ | √ |
Software Menu Style |
|||
| Text-based | Support | √ | × |
| Icon-based | Support | × | √ |
Battery |
|||
| Voltage | DC 7.4 V | √ | √ |
| Capacity | 2600 mAh | √ | √ |
| Alert | n Low voltage
n Power off automatically after 10 minutes |
√ | √ |
| Working time | n Angle and distance measurement: ＞8 hours (measure distance every 30 seconds)
n Angle measurement: ＞12 hours |
√ | √ |
| Charge time | 4 hours | √ | √ |
Physical Specification |
|||
| Dimension | 170 x 190 x 345 mm | √ | √ |
| Screen | n Alphanumerical keyboard
n Dual screens n 30 x Keys (per side) n Graphic LCD (8 lines) |
√ | √ |
| Key for fast measurement | Support | √ | √ |
| Interface | RS-232C, SD card, mini USB | √ | √ |
| Water/dust proof | IP55 | √ | √ |
| Working temperature | -20℃ – +50℃ | √ | √ |
| Storage temperature | -40℃ – +70℃ | √ | √ |
| Prism constant range | -99.9 – +99.9 mm | -999.9 – + 999.9 mm | |
| Atmos correction PPM | -499 – +499 ppm | Automatically calculated | |
| Certificate | CE, FCC | √ | √ |
