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# FNIRSI FDM01 High-precision Digital Noise Decibel Meter

**Brand:** FNIRSI
**SKU:** FDM01
**Price:** Available via Amazon — https://www.amazon.com.au/s?k=FNIRSI+FDM01+High-precision+Digital+Noise+Decibel+Meter&tag=tech2have-22
**Category:** Environmental Meters & Detectors (https://level-floor.bnr.la/store/c/test-measurement-environmental.md)
**URL:** https://level-floor.bnr.la/store/products/fnirsi-fdm01-high-precision-digital-noise-decibel-meter/

## Description

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
Specifications:
Model
FDM01
Accuracy
±1.5dB (Based on standard sound source, 94dB@1KHz)
Frequency range
31.5Hz-8.5KHz
Dynamic range
3.50dB
Measuring range
30-130dB
Frequency weighting characteristics
A weight
Digital display
4 digits, resolution 0.1dB, sampling rate 2 times/second
Dynamic scale display
1 scale represents 2dB, and 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 response speeds.
Microphone
6mm condenser microphone
Maximum value lock
MAX
Battery
600Mah/3.7V lithium battery
Working temperature and humidity
0℃-40℃, 10%-80%RH
Storage temperature and humidity
-10℃-60℃, 10%-70%RH
Package List:
◉ FDMO1 Noise Decibel Meter *1
◉ Product Manual *1
◉ Packing Box *1
◉ Charging Cable *1

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