Features:
1. Large range: Measurement range: 30.0~130dBA; Accuracy: ± 1.5dB.
2. Maximum/minimum value: Press the “MAX” key lightly to lock the maximum value, and press the “MIN” key lightly to lock the minimum value.
3. High definition large screen display: The display screen has a white background light, so there is no need to fear working in the dark
4. Time weighting: Lightly press the “F/S” button to switch between fast (FAST) and slow (SLOW).
5. High precision sensor: Highly sensitive 1/2-inch capacitive microphone with high precision, high sensitivity, and fast instantaneous response characteristics

Parameters:
Measurement range: 30.0~130dBA
Accuracy: ± 1.5dB (at the reference sound pressure level, 94dB@1kHz ）
Resolution: 0.1dB
Frequency weighting: A weighting
Noise display: Four digit display, maximum 1999
Frequency response: 31.5Hz~8kHz
Microphone: High sensitivity 1/2-inch capacitive microphone
Time weighting: FAST 0.125 seconds, SLOW 1 second
Sampling rate: 2 times/second
Automatic shutdown: 15 minutes (can be manually turned off)
Usage environment: -10~50 ℃, maximum relative humidity of 80%, indoor altitude<2000m
Storage environment: -10~50 ℃, maximum relative humidity of 70% (battery removed)
Power supply: 2X1.5 AAA (shipped without battery)

The package includes:
Tester * 1
Instruction manual * 1
Cloth bag * 1