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Topcon GTS-821A, GTS-822A, GTS-823A, GTS-825A instruction manual Distance Measurement

Models: GTS-822A GTS-825A GTS-821A, GTS-822A, GTS-823A, GTS-825A GTS-823A

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4 STANDARD MEASUREMENT MODE

4.2 Distance Measurement

4.2.1 Setting of the Atmospheric Correction

When setting the atmospheric correction, obtain the correction value by measuring the temperature and pressure.

Setting the atmospheric correction is in the STAR key (H) mode, see Chapter 11 “SETTING ATMOSPHERIC CORRECTION” .

4.2.2 Setting of the Correction for Prism Constant

Topcon's prism constant value is 0. Set correction for prism at 0. If the prism is of another manufacture, the appropriate constant shall be set beforehand.

Setting the prism constant value is in the STAR key (H) mode, see Chapter 10 “SETTING THE PRISM CONSTANT VALUE” .

4.2.3 Distance Measurement (Continuous Measurement)

Make sure the mode displays angle measurement.

Operating procedure

Operation

 

 

 

Display

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 Collimate the center of prism.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V :

90

°

 

 

 

 

 

 

 

 

 

 

10'20"

 

 

 

 

 

 

 

 

HR:

120

°30'40"

 

 

 

 

 

 

 

 

SD

HD

NEZ

0SET

HOLD

P1↓

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 Press [F1](SD) key or [F2]( HD )key.

[F2]

 

V :

90°10'20"

 

 

 

 

 

*1), 2)

 

HR:

120

°30'40"

PSM

 

0.0

 

 

 

 

 

[Example] Horizontal distance mode

 

 

HD:

 

 

<

PPM

 

0.0

 

 

 

 

VD:

 

 

 

 

(m) *F.R

 

 

 

 

MEAS

MODE

VH

SD

NEZ

P1↓

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The result are shown *3) ~ *6)

 

 

V : 90°10'20"

 

 

 

 

 

 

 

HR:

120

°30'40"

PSM

0.0

 

 

 

 

 

 

 

 

HD:

 

716.661 PPM

0.0

 

 

 

 

VD:

 

4.001

(m)

 

*F.R

 

 

 

 

MEAS

MODE

VH

SD

NEZ

P1↓

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*1) The following characters will be shown on the 4th line right hand corner of the display to represent measurement mode.

F: Fine meas. mode, C: Coarse (1mm) meas. mode, c: Coarse (10mm) meas. mode.

R: Continuous (Repeat) meas. mode , S: Single meas. mode, N: N time meas. mode

*2) When EDM is working, the "* " mark appears in the display.

*3) The result is shown with buzzer sound.

*4) Measurement may repeat automatically if the result is affected by shimmer etc.. *5) To change single measuring, press [F1](MEAS) key.

*6) To return to the angle measurement mode, press [F3](VH) key.

4-5

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Page 47
Image 47
Topcon GTS-821A, GTS-822A, GTS-823A, GTS-825A Distance Measurement, Setting of the Atmospheric Correction
Page 46 Page 48

GTS-822A, GTS-825A, GTS-821A, GTS-822A, GTS-823A, GTS-825A, GTS-823A specifications

Topcon's GTS series of total stations, including the GTS-821A, GTS-822A, GTS-823A, and GTS-825A, are known for their robust features and exceptional precision, catering to the needs of surveying and construction professionals. These instruments blend advanced technology with user-friendly interfaces to enhance productivity in the field.

The GTS-821A model is designed for reliability and accuracy. It offers a measurement range of up to 1,000 meters and delivers precision within ±2 millimeters, making it ideal for jobs requiring fine detail. Key features include a high-speed angle measurement system and a dual-axis compensator that ensures accuracy on uneven terrain.

In contrast, the GTS-822A model takes performance a step further by incorporating advanced optical technologies. It includes a high-performance EDM (Electronic Distance Measurement) that allows for faster measurements with a range extending up to 2,000 meters. This model also integrates a clear display and simple user interface, facilitating easier operation for users of all skill levels.

The GTS-823A represents a perfect blend of portability and advanced functionality. It is lightweight, making it easy to transport between job sites. This model incorporates GPS capabilities, allowing seamless integration with GNSS systems for enhanced positioning accuracy. Its onboard software supports various surveying methods, making it versatile for different applications.

The GTS-825A stands out for its advanced features tailored for high-precision tasks. This model supports wireless communication, enabling real-time data transfer to smartphones and tablets, which enhances collaboration in fieldworks. With an impressive measurement capability, it extends the measurement range and precision, meeting the demands of large-scale projects.

All models in this series share a durable design reputation, ensuring they withstand harsh environmental conditions. Their user-friendly interfaces are complemented by robust software support, providing surveying professionals with the tools they need to optimize their workflows.

In summary, Topcon’s GTS series, including the GTS-821A, GTS-822A, GTS-823A, and GTS-825A, represent the cutting edge of surveying technology, boasting features like extended measurement ranges, high precision, advanced EDM, and GPS integration. These instruments not only enhance productivity but also ensure that professionals can achieve their surveying goals efficiently and effectively. Whether for routine land surveys or complex construction projects, the Topcon GTS series delivers exceptional performance and reliability.