WS1361 Digital Sound Pressure Tester Noise Level Decibel Meter

Description : WENSN WS1361 Digital Sound Pressure Tester Level Meter Decibel Noise Measurement This equipemnt has been designed to meet the measurement requirement of safety engineers, health, industrial environment, which include factory, traffic, family baby's living room, wind farms, sports stadium, airport, urban, city noises and audio system. It is an advance environmental noise monitoring system, monitors environment noise from a singal station to a mutiple stations. features : 100% brand new and high quality conformed to the iec651 type2 and ansis1.4 type 2 standards accuracy : 1.5db measuring range : 30-130dba or 35-130dbc frequency weighting : A and C time weighting : fast & slow ac and dc output for frequency analyzer level recorder, fft analyzer, graphic, graphic recorder etc. the meter can be connected pc with usb. Notice : below 2000 meter in height operating condition : 0~40 10~80%rh use dry cloth to clean the unit, but never with any solvent. specification : frequency range : 3.5hz~8.5khz level range : 30~80db, 40~90db, 50~100db, 60~110db, 70~120db, 80~130db, 30~130db linearity weighting : 50db frequency weighting : a/c digital display : 4 digits resolution : 0.1db sample rate : 2times/second bar graph : 50db scale 1db step for monitoring current sound pressure level display sample rate : 20 times/second over indication : over/under ac output : 0.707vrms at fs output impedance approx 600ohm dc output : 10mv/db, output impedance approx 100ohm time weight : fast/slow microphone : inch eletret condenser microphone max : max power life : about 30 hours(alkaline battery) self calibration : 4s operating condition : 0~40 10~80%rh storage condition : -10~50 10~80%rh Package included : 1 x Professional sound level meter 1 x Sponge ball 1 x Usb cable 1 x Software cd 1 x English user manual Details pictures :