The ET2A is a high-precision electronic theodolite. This device has 2" angle measurement accuracy and a 30x magnification effect to meet various working requirements.
Contact Us NowAbsolute Coding
Experience complete coding angle measurement system that is digital,
intelligent, stable, and reliable.
Smart Sensor
You no longer need to worry about tilt errors, for the independent
tilt sensor will automatically correct tilt errors.
Laser Function
Experience a perfect combination of digital theodolite and laser, with
laser pointing and laser centering functions.
Long Operation Hours
1600 mAh rechargeable Li-on battery support working for about 20
hours.
High Quality, Designed for Harsh Environments
Operate the device under harsh environments (like dust, mud, rain,
extreme heat, and cold) for many years with a highly integrated circuit board,
high-quality IC components, and imported CCD sensor.
Digital Readings
Digital readings are quick and reliable, making the measurement more
efficient.
Angle
Measurement |
|
Measuring Method |
Absolute encoder |
Diameter |
79mm |
Min. Reading |
1″, 5″,10″ |
Measuring Unit |
360°,400gon |
Vertical Angle 0° |
Zenith 0 °, Horizontal 0 ° |
Accuracy |
2 ″ |
Telescope |
|
Image |
Erect |
Magnification |
30x |
Effective Aperture |
47mm |
Resolving power |
3.75″ |
Field of View |
1°30″(26mm/1000m) |
Min. Focus |
1.5 m |
Stadia Ratio |
100 |
Tube Length |
169mm |
Compensator |
|
Electronic Tilt Sensor |
Vertical compensation |
Compensator Range |
±3′ |
Resolving Power |
6 ″ |
Vial |
|
Plate Vial |
30″/2mm |
Circular Vial |
8 ′/2mm |
|
|
Display |
|
Type |
Two sides LCD |
|
|
Onboard battery |
|
Power Resource |
Rechargeable Li-on battery |
Voltage |
DC 7.4 V |
Operation Time |
BDC 1600 mAh (About 20 hours) |
Laser |
|
Length of the Wave |
635 nm |
Power |
10 mW |
Effective Range |
250 m |
Position Error |
≤5″ |
Voltage |
DC 3.3 V |
Working Temperature |
- 10 °~+ 45 ° |
Others |
|
Storage Temperature |
- 10 °~+ 45 ° |
Dimension |
180 x 166 x 355 m |
Weight |
5 Kg |
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