... cover, horologe screwdriver, briefcase2.specification modalTL5633BMeasuring range35dB-130dB (A), 40dB-130dB (C)Frequency weighting A,CFrequency range 20HZ-12.5kHZSound level setupYou can ... for external power Service environment Temperature: -10°C-50°CHumidity: 25%-90% ( at + 40°C)Atmosphere: 65kPa-108kPaDimensions 246mm×70mm×30mmWeight 0 ...