crest因子(波高系数):电压:2.5或更少的电流:3.0或更少(每个范围90%或更少) 计算机通信:USB,USB,蓝牙 计算机项目:明显的功率,电源,活跃的功率,活跃功率,明显的功率,明显的功率,明显 +50°C, 85% RH (no condensation) Battery d: 6 AA (alkaline or Ni-MH) batteries (when using alkaline batteries: approx. 15 hours) Frequency accuracy: ±3dgt Frequency range: 40.0 to 70.0Hz Power consumption: 10VA (max) Dimensions: W1