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FNIRSI

Fnirsi FDM01 Handheld Digital Audio Sound Level Meter

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Audio Amplifier Module for everyday users

The Fnirsi FDM01 Handheld Digital Audio Sound Level Meter by FNIRSI is a mid-range audio amplifier module designed for everyday users. It features Model No. / Name: FDM01 and Accuracy: 1.4 dB.

₹2,732
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Total: ₹2,732
Buying tip: A quality investment for dependable performance and premium build quality.
Estimated delivery: 17 Aug31 Aug
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Quick Specs

Model No. / Name: FDM01
Accuracy: 1.4 dB
Display Type: Digital
Voltage Measuring Range: 30~130dB,30~130dB
Operating Temperature (°C): +-1.5dB,+-1.5dB
Storage Temperature (°C): -10 degree celsius to 60 degree celsius

Ideal For

Electronics projectsArduino / Raspberry Pi buildsPrototyping
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SKU: robu-2185756Category: Audio Amplifier Module

About This Product

The Fnirsi FDM01 Handheld Digital Audio Sound Level Meter by FNIRSI is a mid-range audio amplifier module designed for everyday users. It delivers reliable performance at an accessible price.

Key Specifications

  • Model No. / Name: FDM01
  • Accuracy: 1.4 dB
  • Display Type: Digital — crisp, vibrant visuals in any lighting
  • Voltage Measuring Range: 30~130dB,30~130dB — reliable connection even at a distance
  • Operating Temperature (°C): +-1.5dB,+-1.5dB
  • Storage Temperature (°C): -10 degree celsius to 60 degree celsius — plenty of room for files, apps, and media
  • Storage Humidity: 10%-70%RH — plenty of room for files, apps, and media
  • Sample Rate: 2 times/second

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FNIRSI FDM01 VOICE METER -2.3 INCH VA colour screen with 4 digits and sampling rate 2times / second, Frequency range: 31.5Hz-8.5KHz *THE VOICE METER FDM01 FNIRSI provides accurate sound level (decibels or loudness) readings from 30 to 130 dB with ±1.5 dB accuracy. It is the ideal tool to discover if something at your workplace or in your neighborhood is too loud, potentially causing hearing damage. Loudness is highly subjective and difficult to determine without proper equipment. *PRECISION: The FDM01 has an accuracy of ±1.5 dB, which means that it can measure sound pressure levels with a high degree of accuracy.

Features:

  1. Wide Measurement Range: Measures sound levels from 30 dB to 130 dB, accommodating various environments and noise levels.
  2. High Accuracy: Provides precise readings with a tolerance of ±1.5 dB, ensuring reliable sound level measurements.
  3. Digital Display: Features a clear LCD screen for easy reading of sound levels, with backlight for visibility in low-light conditions.
  4. Multiple Measurement Modes: Includes options for A-weighting and C-weighting, allowing for versatile sound measurement and analysis.
  5. Data Hold Function: Lets you freeze the current measurement on the display for easier recording and review.
  6. Compact and Portable: Ergonomically designed for easy handling and on-the-go measurements.
  7. Automatic and Manual Ranges: Switches between different measurement ranges automatically or manually for flexibility in varying noise environments.
  8. Low Battery Indicator: Alerts you when the battery needs replacement to ensure uninterrupted operation.

Package Includes:

1 x Fnirsi FDM01 Handheld Digital Audio Sound Level Meter

Setup Guide

1
Identify the pins
Locate VCC (power), GND (ground), and data pins (SDA/SCL for I2C, MOSI/MISO for SPI, or TX/RX for UART). Refer to the pinout diagram on the product page.
2
Wire to your microcontroller
Connect VCC to 3.3V or 5V (check the module spec), GND to GND, and data pins to the appropriate GPIO pins on your Arduino or Raspberry Pi.
3
Install libraries
In Arduino IDE, go to Sketch → Include Library → Manage Libraries and search for the sensor library. Install the recommended version.
4
Upload example sketch
Open File → Examples → [library name] → Basic Example. Upload to your board and open Serial Monitor to view output.
5
Calibrate if needed
Some sensors (temperature, humidity, distance) may need a short warm-up period or calibration. Run the calibration sketch if provided.