ET2A is a high precision electronic theodolite. This device has 2 "angle measurement accuracy and 30x magnification effect to meet various of working requirement.
Overview
Specifications
Support
Overview
Specifications
SUPPORT
1.30x Telescope Magnification
2.2" Angle
measurement accuracy
3.Compensator up
to 3'
4.Two sides LCD
display
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
ET2A Electronic Digital Theodolite Maintenance Guide-V1.0-ENG.pdf
ET2A Electronic Digital Theodolite User Guide-V2.0-ENG.pdf