Optical Survey Instruments
GLM adjusts, uses, and markets optical survey instruments. We distinguish between three types of instruments:
- Level (instrument to measure altitude in relative system)
- Theodolite (instrument to measure angles)
- Tachymeter (instrument to measure angles and distances)
On the left, all instrument types are listed which are used and offered by GLM in the fields of industrial surveying (3-D measurements) used and offered.
The instruments provide 3-point accuracy of 10 mm to 0.04 mm (40 microns).
The abbreviation before the instrument name reflects the typical application location of the instruments;
Tachymeter or total stations
- NET: These instruments are used in industrial surveying
- SRX: The SRX line is used in the peripheral areas of industrial surveying
- SET: The SET series is used in traditional 3-D measurements (construction, property, archeology, etc.)
- DT: Digital theodolites are used primarily in the assembly of machines and in high-bay warehouses
- B series: The B series instruments, depending on design, are used in industrial and traditional surveying.
- SDL series:
o The SDL1X is used in industrial surveying
The number behind the instrument name reflects the angle accuracy in arc seconds. As an example, the NET1, has an angular accuracy of 1 second, or the NET05 has an angular accuracy of 0.5 arc seconds.
The the protection class IP codes indicate the water and dust resistance of the instruments.
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