积分声级计VA8080

类1 数字

声级计设计用于测量不同环境下的声级。它是用来检测噪音，音乐水平或声音工程…●使用标准:IEC651 Type2、ANSI S1.4 Type2;频率范围:31.5Hz~8KHz;测量范围:30-60dB、50-80dB、70-100dB、90-120dB●精度:30~60dB±3 dB;●时间响应:模拟bar: 125ms;数字:750ms;工作温度:0~+40℃;工作湿度:10 ~ 80%RH●模拟条指示器。●频率称重A型。●显示范围。●自动关机/连续工作模式选择。 ● Low battery voltage indication. ● Sound OVER or UNDER display. ● Software calibrating to insure high reliability. ● Good circuit designed to save power. ● Small volume , large LCD. ● Low power consume ● Complete with pouch case ● Power supply: DC1.5V (AAA) x 3pcs