Guides d'achat
Laser distance meter: replacing the tape, or not
A laser distance meter measures a distance by aiming at a point, on its own and in a second. It beats the tape on clear runs and on heights. It does not foll...
MéthodeCheck your line laser’s accuracy in 5 minutes
Set the instrument five metres from a wall, mark the line, turn it through 180° without moving it and mark again. Half the gap between the two marks is the r...
MéthodeLaying tiles true with a laser: the method
Put the laser in the middle of the room, throw a cross over 360°, and start from the axis most visible from the door rather than from the wall. Check every t...
SécuritéLaser classes 1, 2 and 3R: what the standard says
A laser’s class describes the hazard it presents to the eye, under standard EN/IEC 60825-1. In class 2 the power stays at or below 1 mW in the visible, and t...
AccessoiresLaser detector: when it is essential, where to get one
A laser detector picks up electronically a beam that has become invisible to the eye: outdoors, in full sun, or beyond a few metres. The moment you step outs...
Niveaux laserGreen or red laser: what changes on site
At equal power a green line looks markedly more visible than a red one, because the human eye is more sensitive to wavelengths around 520 nm. Green costs mor...
Niveaux laserHow to choose a line laser: accuracy, range, planes
Three figures decide the choice of a line laser: accuracy in millimetres at ten metres, usable range with a detector, and the number of planes projected. For...