Sound Level Meter with Max/Min (30 to 130dBA)

描述

Specifications
1.Accuracy:1.5dB(under reference conditions).
2.Frequency range:31.5 Hz to 8.5 Hz
3.Measuring level:30 to 130 dBA
4.Frequency weighting:A weighted
5.Digital display:5 digits
Resolution:0.1dB
Display:0.5 secretary
6.Over indicate over range:Under indicate less than lower limit of the range.
7.Time weighting:Fast
8.Max:Maximum hold
9.Min:Minimum hold

10.Power supply:3*AAA 1.5V alkaline cells.
11.Microphone:1/2 inch Electret Condenser microphone.
12.Operating Temperature:0 to 40℃ Operating Humidity:10% to 80% RH.
13.Storage Temperature:-10 to 60 ℃ Storage Humidity:10% to 70% RH.
14.Dimensions:155(L)*50(W)*25(H)mm