SOUND LEVEL METER Smart AR814 Measuring Range : 30~ 130dB A : 35~ 130dB C Level Range Control Switch : 30dB to 80dB : 50dB to 100dB : 60dB to 110dB : 80dB to....
SEW0004 2310 SL QUALITY AND ECONOMIAL SOUND LEVEL METER FEATURES Max. & Min. function. Over & Under range indication. 4-digit LCD display with bar graph. Frequency weighting....