PROSKIT MT-4618 Sound Level Meter PROSKIT MT-4618

Ideal for measuring in factories, schools, residential, office, traffic, sound, noise engineering, product quality control, and more. A & C weighting network selection Measuring range from 30 to 130 dB LCD display with backlight High speed (FAST)/Low speed (SLOW) response rate selection Extra functions: Max./Min.value, Data Hold, Auto range, Backlight, Good anti-interference performance, Auto power off Range 30130dBA, 35130dBC 3080db, 4090db, 50100db, 60110db, 70120db, 80130db, 30~130 db is auto range Accuracy 卤1.5dB ( 94dB@1KHz), 卤5dB (94dB@8KHz) Resolution 0.1dB Response frequency 30Hz 8KHz Dynamic sound pressure 50 dB ( at each range) FAST 125ms, SLOW 1sec Frequency weighting A and C type Sensor Polarized condenser microphone Sampling Time 2 times/sec.,Analog 20 times/sec. Operating environment 10~80%RH,0掳C~40掳C (Non-condensing) Storage environment 10~70%RH,-10掳C~60掳C (Non-condensing) Low battery indication <5V Power source 1.5V AAA battery x 4 (Not included) Weight 0.38 lbs (Not including battery) Dimension 6.9 x 2.4 x 1.1" Accessories Storage bag, Instruction manual