Digital display: 5 digits LCD.Measuring level: 30~130 dBA， 30~130 dBC.Resolution：0.1dB.Accuracy: ±1.5 dB (under reference conditions) .Frequency range: 31.5 Hz~ 8.5K Hz .Linearity range: 50 dB .Frequency weighting: A， C .Bar graph: 50 dB scale at 1 dB step for monitoring current sound pressure level display .Level ranges：30-80 dB； 50-100 dB； 60-110 dB； 80-130 dB. Time weighting: Fast / Slow .Microphone: 1/2 inch Electret Condenser microphone .Max: Maximum hold .Power supply: 1*9V alkaline cells or DC 9V adapter < Power life: About 30 hrs >. Self calibration time: 10 sec (every turn on) .Dimensions: 220×67×32mm .Weight: approx. 210g(including battery).
Range Temperature Range 30～130dBA 35～130dBC Accuracy ±1.5dB Frequency Range 31.5HZ-8.5KHZ Linearity Range 50dB Digit & Resolution 5Digits & 0.1dB Sampling Frequency 2 times/sec
