
Mengshen Decibel Meter, Digital Sound Level Meter Handheld Audio Noise Meter Tester with LCD Display Measuring 30-130dB (Battery Included)M80
Main Parameters: Frequency Weighting: A Measurement Range: 30dB-130dB Accuracy Within +/-1.5dB Resolution: 0.1dBA Response Time : 0.5 second Operating Temperature: 0 ~ 40 ˚C (32 ~ 104 ˚F) Operating Humidity: 10 ~ 90 % R.H. Storage Temperature: -10 ~ 60 ˚C (14 ~ 140 ˚F) Storage Humidity: 10 ~ 70 % R.H. Dimensions: approx. 170 (L) x 58 (W) x 35 (H) mm (6.7 x 2.3 x 1.4 inch) Weight: approx. 107 g Power Supply: one 9V battery Main Functions Data hold function Max/Min display 15 minutes auto power off Large LCD screen display Package Content: 1x Digital Sound Level Meter 1x 9V battery How loud is too loud? Government research suggests the safe exposure limit is 85 decibels for eight hour a day. Your hearing could be at risk of damage if you are continually exposed to high volume sounds. 20dB: Very faint, 40dB: Soft, 60dB: Moderate quite, 85dB: Limit 90dB: Loud, 100dB: Very noisy 110dB: Very faint, 120dB: Dangerous Wide Application Some Noi