Easy-to-use light meter with wide measuring range up to 400,000 Lux, large LCD display, 42-segment analogue bargraph, relative mode and user-selectable measuring units. Ideal for environmental monitoring, health and safety checks, and industrial applications. Sound Features: Single Measurement Range: 30 to 130dB 0.1dB Resolution 'A' Frequency Weighting Fast Time Weighting (125ms) Precision inch electret condenser microphone Lmax (LAFmax) Lmin (LAFMin) Measures both Lux and Footcandles (FC), user selectable Manual range selection of 5 Lux ranges and 4 FC ranges Silicon photo diode sensor and spectral response filter Fully cosine corrected Sensor connected to the instrument by a fixed approx 1.5 metre (approx) coiled cable Measuring rate of 1.5 times per second 43mm LCD display with backlight, 42 segment bar graph and function indicators Data hold freezes measured values Min/max memory Peak min hold, peak max hold Relative reading from user set value Over range