SLT12 User Manual
4
Note: This instrument is subject to strict inspection and calibration at the factory, and the
quality meets the standard requirements. But the instrument after long-distance transport or
environmental changes, the instrument's optical and mechanical structure parameters of trace
changes are inevitable. Therefore, the new purchase of this instrument and the measurement
area before the operation of the instrument should be carried out in this section of the
inspection and calibration to ensure the accuracy of the results of the operation.
1.3
Security Guide
Pay attention to the following safety matters when you use the laser distance measurement non-prism.
Warning:
Total station fit out laser level 3R/Ⅲa which is recognized by the loge, which is above: the vertical locking screw
saying: "3A laser product ".This product belongs to Class 3R level laser. According to the following standards
IEC 60825-1: 2001 Class 3R/Ⅲa laser product can reach five times of emission limits of the Class 2/Ⅱ in the
wavelength between 400nm-700nm.
Warning:
Continuous staring into the laser beam is harmful.
Prevention:
Do not stare at the laser beam or point to others. The reflected beams are the effective signal of the instrument.
It's safe to observe by an eyepiece.
Warning:
When the laser beam is irradiated and reflected by prisms, plane mirrors, the surface of the metal, and windows,
it's dangerous to look straight into the reflected beams.
Prevention:
Don't stare at the reflected beams. When the laser is switched on (distance mode), do not obstruct the optical
path or stand near the prism. Target at a prism with a total station telescope only.
Warning:
It’s dangerous to use the Class 3R laser device improperly.
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