Digital Lcd HT80A Decibel Pressure Measure Tester Sound Noise Level Meter HT- li
33,55 €
A.Frequency range: 31.5Hz-4KHz. c.Frequency weighting: A. e.Display: LCD. a.Open battery cover and install a 9V battery in it. 1 Digital sound level;. a.hold button-data hold button press it and hold it to turn on /off data hold function,the function freezes the reading in the display.
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