... reverberation time, also translate to U disc27Data Storage64M bits Flash, instantaneous data, 1 second integral results and integral measuring ... groups). Also can be stored in Flash disk or transferred to the Flash disk through USB interface28Integral TimeManual, 10 s, 1 ... can transfer the measuring results to PC, or the Flash disk34Power Supply6×LR6 alkaline battery or rechargeable batteries, which ...