Extech مسجل مستوى الصوت الرقمي

أجهزة قياس الضوء

سنتين

Accuracy of ±2 dB at 0.1 dB resolution, analog AC current output, records maximum/minimum values over time, auto power off and hold functions, uses a 0.5-inch (12.7 mm) condenser microphone, tripod mountable, measurement range of 40 to 130 dB with fast/slow response time, includes 4 AAA batteries and microphone windscreen

CN