E-Survey ET2A Theodolite

Description

E-Survey ET2A Theodolite

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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.

Features E-Survey ET2A Theodolite

• Absolute Coding

Experience complete coding angle measurement system that is digital, 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 reading are quick and reliable, making the measurement more efficient

Specifications E-Survey ET2A Theodolite

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

E-Survey ET2A – Datasheet

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