Goeco Digital Sound Level Reader 30 dBA - 130 dBA Decibel Meter Noise Measurement Tester for Indoor/ Outdoor

The item is a simple and practical mini digital sound level meter, which is specially designed for sound quality control, powered by one 9V battery and can measure sound level from 30dBA to 130dBA. It has auto range, wide measuring and frequency range, maximum hold, and auto backlight functions. With easy to use and carry, it is really a wonderful digital noise detector great for noise pollution monitoring, home theater setup, health and safety compliance, vehicle noise testing, etc.

Specifications:
Measuring Range: 30dBA to 130dBA.
Accuracy: plusmn;1.5dB
Resolution: 0.1dB
Frequency range: 31.5HZ to 8.5KHZ
Frequency Weighting: A
Sampling frequency: 2 times/sec
Digital Display: 4 digits
Microphone: 1/2 quot; Electret Condenser microphone
Power Supply: 1 * 9V Battery (NOT included).
Operating temperature: 0 C to 40 C (32 F to 104 F).
Storage temperature: -10 C to 60 C (14 F to 140 F).
Operating humidity: 10% to 80% RH.
Dimension: 57*36*149mm