Fnrisi FDM01 High Accuracy Digital Noise Meter for Decibel Measurement

Fnrisi FDM01 High Accuracy Digital Noise Meter for Decibel Measurement

Features:

• Free sensitivity

• Temperature and humidity detection

• Light alarm

• Mobile app intelligent linkage

• Conforms to International Committee IEC651TYPE2 and American International Standard ANSIS1.4TYPE2 standards

• Measurement range: 30dB-130dB

• Accuracy: ±1.5dB

• A-weighting responses, with fast and slow response rate selection

• Automatic shutdown in 15 minutes function

• Dual mode switching with adjustable sensitivity

• Diligently designed with attention to detail

Specification:

• Accuracy: ±1.5dB(Based NV standard sound source, 94dB@1KHz)

• Freauency range: 31.5Hz~8.5KHz

• Dynamic range: 3.50dB

• Measuring range: 30~130dB

• Frequency weigahting chearacteristics: A weight

• Digital display: 4-digits, resolution 0.1dB, sampling rate 2 times/secomd

• Dynamic scale display: 1 scale represents 2dB, abd the sampling rate is 2 times/second

• Dynamic scale gear: 30~130dB

• Overload indication: "OVER" and "UNDER" symbols indication

• Dynamic characteristics: FAST(fast)and SLOW(slow) two responses peeds

• Microphone: 6mm condenser microph one

• Maximum malue lock: MAX

• Battery: 600mAh/3.7V lithium battery

• Working tempereture and humidity: 0℃~40℃, 10%~80%RH

• Storage temperature and humidity: -10℃~60℃, 10%~70RH

Package includes:

• 1 x Noise Meter