Table 2.

Technical data of the sensor ACUITY AccuRange 4000-LIR (manufacturer's information).

Measuring range up to	16.50 m	Divergence	0.5 mrad
Wave length	780 nm	Laser output	20 mW
Measuring frequency	50,000 Hz	Classification	3B
Voltage internal	5 V	Length/ height /width	160/80/80 mm
Power requirement	1.5 W	Mass	0.624 kg
Laser spot size	2.5 mm	Price	€ 6,900
Linearity	2.5 mm