SL720B Digital Sound Level Meter 30~130dB Noise Decibel Measuring Meter LCD Color Screen A/C weighting Max/Min Value Noise Meter

Feature:
1.Fast/slow adjustable
2.Unit conversion
3.Data retention
4.Auto Range
5.Fast response
6.A/C weighting
7.Fast/slow mode
8.Max/Min value
9.Bluetooth communication

Specification:
Measure range:30~130dB
FAST Sampling rate FAST:125ms
SLOW Sampling rate SLOW:1000ms
Noise accuracy:±1.5dB
Reference sound pressure standard:94dB/1KHz
Frequency response:31.5Hz~8KHz
Resolution ratio:0.1dB
Sensor type:1/2 inch capacitive microphone
Automatic shutdown:About 10 minutes
Power supply:3×1.5V AAA(not include battery)
Working current:~18mA
Working temperature:0-40°C
Working humidity:≤80%RH
Storage temperature:-20~60℃
Storage humidity:≤80%RH
Size:195x73x34mm

Packing List:
1 * Noise Meter
1 * User manual