Check the listing for details. Digital Sound Level Meter 1351. Condition: New. Listed at 45.00 USD. This equipment has been designed to meet the measurement requirement of Safety Engineers, Health, Indu- strial Safety offices and Sound Quality control in various environment, which include factory, office, traffic, family, and audio system. Digital Sound Level Meter possesses the following features: is designed according to the IEC651 TYPE2 & ANSI S1.4 TYPE2 n, conpact, portable design acy up to ± 1.5 dB rement range: 30dBA-130 dBA MIN Hold backlight display power OFF Measuring range 30dBA~130dBA Accuracy ± 1.5 dB (94dB@1KHz Frequency range 31.5Hz~8KHz Frequency weighting A Digital Display 4digits Resolution 0.1dB Sample rate 2 times/second Microphone 1/2 inch electret condenser microphone Power supply 9V Battery Power life About 30 hours (alkaline battery) Operating condition 0~40℃，10~80%RH Storage condition -10~60℃，10~70%RH Weight 144g (including battery) Dimension 57*26*149mm