SpringBox Co.,Ltd.

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76 ซ.ลาดพร้าว130(มหาดไทย2)  คลองจั่น บางกะปิ  
กรุงเทพฯมหานคร 10240

ติดต่อ :
086,9953699, 092-9456142


E-mail.: info.springbox@gmail.com




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e-survey ET2A

ET2A

Theodolite

ET2A is a high precision electronic theodolite. This device has 2 "angle measurement accuracy and 30x magnification effect to meet various of working requirement.



Specifications 

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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