Model: UT351 Range: 30～80dB, 50～100dB, 60～110dB, 80～130dB Frequency: 31.5Hz～8000Hz Frequency Weighting: A and C Sample rate: FAST: 8 Times/s, SLOW: 1 Times/s Analogue outputs: AC: 0.707Vrms full scale;Output impedance: around 600Ω , DC: 2Vrms full scale; 10mV/dB; Output impedance: around 100Ω High alarm: Display “OVER” Lower alarm: Display “UNDER” Analogue Bar Graph: 30～130dB Product size: 273mm X 70mm X 39 mm
