Designed to meet stringent international standards, the decibel meter complies with both the International Committee IEC651TYPE2 and the American International Standard ANSIS1.4TYPE2. With a wide measuring range spanning from 30dB to 130dB, this instrument ensures precise and comprehensive noise measurement capabilities. Its impressive accuracy, reaching ±1.5dB, guarantees reliable results in various sound environments. Featuring A-weighting response characteristics, users can select between fast and slow response rates to suit their specific needs. Additionally, the meter offers the convenience of an “Automatic shutdown in 15 minutes” function, which can be easily toggled on or off as desired. With its robust features and adherence to top-notch standards, this decibel meter stands as a dependable tool for professionals and enthusiasts alike in assessing and managing noise levels effectively.
Basic Specifications
- Model Number: FDM01
- Brand Name: FNIRSI
- Frequency range: 31.5Hz-8.5KHz
- Dynamic range: 3.50dB
- Accuracy: ±1.5dB (94dB@1KHz standard sound source)
- Measuring Range: 30-130dB
- Frequency Weighting Characteristics: A weight
- Digital Display: 4 digits, resolution 0.1dB
- Dynamic Scale Display: 1 scale represents 2dB
- Sampling Rate: 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
- Operating Conditions: 0℃-40℃, 10%-80%RH
- Storage Conditions: -10℃-60℃, 10%-70%RH
Functionality and Features
- Measurement speed switching:
- Fast mode: 1s for rapid measurement
- Low mode: 1.25s for slower measurement- Accurate Measurements
- Three measurement modes:
- MIN mode
- AVG mode
- MAX mode
- Alarm threshold setting:
- Adjustable upper and lower limit values
- Dynamic Characteristics Adaptability
- Durable And Long-Lasting
- Automatic Shutdown Feature
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