SMARTSENSOR AR884A 壁挂式噪音计 (30~130 dBA, 35~130 dBC)

Microphone: Ø 6mm condenser microphone

Measuring range: 30~130 dBA, 35~130 dBC

Accuracy: ±1.5 dB (at reference tone pressure level, 94 @ 1KHz)

Response frequency: 31.5 Hz ~ 8 KHz

Resolution: 0.1 dB (<100 dB); 1 dB (>100 dB)

Frequency weighting: A weighting and C weighting

Time weighting: FAST / SLOW

Alarm mode: Built-in buzzer

Digital display: 3 Large LED digital display

Alarm value setting: Customizable settings

Max/min value: √

Operating environment: 0℃~40℃, 10~80%RH

Storage environment: -10℃~60℃, 10~70%RH

Power supply: USB DC 5V 1A

Product weight: 460 g

Product size: 216 × 37 × 121 mm