Steinberg Sound Meter - 35 to 135 dB

man-made noise as reliably as machine-generated noise. It adapts to a wide range of conditions to give accurate results, and complies with current standards. It has a measurement range of 35 to 135 dB. It allows you to accurately measure even large sound variations, over a dynamic range of 50 dB.The sound level meter impresses with a measurement accuracy of ± 2 dB. The sound level meter is powered by three AAA Micro 1.5 V batteries and has a maximum operating time of 60 hours.Technical detailsModel SBS-SM-135Sound level range 35 - 135 dBAccuracy ±2 dBFrequency range 31.5 Hz to 8 kHzFrequency weighting ATMeasurement time Fast (125 ms) / Slow (1 s) LCD display with Precision of 0.1 dBBattery 3 x AAA 1.5 V MicroBattery operating time up to 60 hMIN/MAX, Hold, Power saveContent of deliverySBS-SM-150 Sound Level MeterWind protection device3 AAA Micro R03 batteriesUser manual.