... Insulation Piercing Test Clip, Automotive Painting Gloss Meter, automotive painting thickness meter, automotive refractometer, automotive sound level meter, Automotive Spark Indicator, automotive tachometer, automotive ... & 0.1dBTime Weighting SelectionFast/SlowMicrophone1/2 Inch Electret Condenser Microphone Frequency WeightingA & CFrequency Weighting√Max Hold Function√RS232 PC Interface-Calendar ...