Tenmars ST-130 二合一噪音剂量计(30~90dB,50~110dB,70~140dB)

Display: Single LCD Maximum reading 999999

Display Refresh Rate: 1 Time/second

Microphone (ST-130): 1/2" Electret condenser microphone

Accuracy: ±1.4dB at 94dB/1kHz

Frequency Weighting: A, C, Z

Time Weighting: Fast, Slow and Impulse

Starting Time: < 10 seconds

Frequency Range: 20Hz to 8kHz



  • 质量承诺
  • 正品保修
  • 送货到家
  • 交易简单化