Sefram SEFRAM9835 Sound Level Meter, 30dB to 130dB, 8kHz max

The SEFRAM 9835 is a digital sound level meter that provides 30-130dB capability in three convenient measurement ranges Low, Med, and Hi with an accuracy of ±1.5 dB.Low range: 30 à 90dB Med range : 50 à 110dB Hi range : 70 à 130dB Min/Max Fucntion Fast/Slow time weighting Frequency weighting A/C AC/DC signal output Backlight LCDStandard accessories: batteries, windscreen, carrying case