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QM7430 - User Manual
4. Safety
•Use extreme caution when the laser beam is turned on.
•Do not let the beam enter your eye, another person’s eye or the eye of an animal.
•Be careful no to let the beam on a reflective surface strike your eye.
•Do not allow the laser light beam impinge on any gas which can explode.
5.Distance & Spot Size
As the distance (D) from the object increases, the spot size (S) of the area measured
by the unit becomes larger. The relationship between distance and spot size for each
unit is listed below. The focal point for each unit is 914mm (36”). The spot sizes
indicate 90% encircled energy.
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