lux hokiLUX METER FT3425. LUX METER FT3424. Lht Meter with Broad Coverage from Low to Hh Illuminance. Key features • Compatible with LED lhting • Complies with DIN 5032-7:1985LUX METER FT3425. LUX METER FT3424. Lht Meter with Broad Coverage from Low to Hh Illuminance. Key features • Compatible with LED lhting • Complies with DIN 5032-7:1985