DS100 Sound Level calibrator
Conform to ANSL S1.4-1984/EC 942 1998 class 2. Calibration level of 94 dB, 1 KHz. Fits 1", 1/2",1/4" Diameter Microphone. Low battery indication. Auto power off.
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River Enterprise Co., LTD.
Rm. 902,152 Sung Chiang Rd.,
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