Digital Decibel Sound Level Meter Tester for Indoor/ Outdoor Uses Sound Pressure Level 30 to 130dBA AS804

Description

Specifications: - Measuring Range: 30 to 130dBA - Accuracy: ±1.5dB - Frequency Range: 31.5HZ-8.5KHZ - Digit & Resolution: 4 digits & 0.1dB - Microphone: 1/2 Inch Electret Condenser Microphone - Auto Power Shut Off/ Low Battery Indication - Max Min Hold Function/Backlight display - Sampling Frequency: 2 times/sec Warm Prompt : 1. Please don't use the meter under a high temperature and humid environment. 2. Please take out the batteries when not in use for a long time to avoid electrolyte leakage and damaging the meter. 3. When measuring the noise outside, please mount the wind-resistant ball on the head of the microphone from being directly blown by wind and measuring other noise.