Digital Sound Level Meter 30-130dB Noise Volume Meetinstrument Decibel Monitoring Tester Snel/Langzaam Twee Mode Sound M

Features 1 LCD backlight for clear reading 2 Wide measuring range 30 130dB 3 Sound level measurement 4 Min Max Hold current value 5 Manual auto shut off 6 Protable and easy to use suitable for sound quality control in factory office home school and construction site Specifications Frequency weighting A Frequency response 31 5Hz 8KHz Level ranges 30dB 130dB Response time FAST 125ms SLOW 100ms Overload indication 30dB UN display 130dB OL display Accuracy 1 5dB 1HKz Standard source One Year calibration period Auto power off Auto shout down after approx 10 minutes of inactivity Low battery 6V Sensor 1 2 inch electret condenser microphone Power supply 9V 6F22 not included Altitude 1800 Meter Pollution Lever Class II Operation temperature and humidity 0 40℃ 32 104℉45 80 RH Storage temperature and humidity 20 60℃ 4 140℉45 80 RH Dimensions 192mm x 53 8mm x 35mm Weight Around 169gPackage Included 1 x Sound Level Meter1 x Carrying Bag1 x Gift Box1 x English ManulDetails Pictures