มิเตอร์วัดความดังเสียง PROS KIT MT-4018

Display


4 digits LCD display with analog bar graph




Extra functions


auto power off, low battery indication, Sound OVER or UNDER display




Microphpne


Electret condenser microphone




Response frequency


31.5Hz~8KHz




Frequency weighting


A Type.




Range


30~60dB, 50~80dB, 70~100dB, 90~120dB




Resolution


0.1 dB.




Accuracy


30~60dB ±3 dB; 60~120dB ±2 dB




Time response


Analog bar: 125ms ; Digital :750ms




Standard applied


IEC651 Type2, ANSI S1.4 Type 2.




Battery


AAA(1.5V) x 3.(Not Included)




Size


156 x 60 x 32 mm.




Individual Packing


Carrying Case + Color Box