Table 2.

Distance given by the LMS200 when different parts of the beam were blocked with the 5 mm wide rectangular template at a distance of 5 m from the sensor and when the unblocked part of the beam was captured by the grid template at a distance of 5.3 m.

Blockage with 5 mm Wide Rectangular Template
Photograph	Total surface area (mm2)	Blocked surface area. (mm2)	% blockage	Distance measured (mm)
DSC30620	835.33	128.87	15.43	5136.8
DSC30622	835.33	128.87	15.43	5154.3
DSC30616	835.33	128.87	15.43	5178.1
DSC30615	835.33	128.87	15.43	5182.2
DSC30619	835.33	128.87	15.43	5184.4
DSC30617	835.33	128.87	15.43	5197.5
DSC30618	835.33	128.87	15.43	5202.5