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FNIRSI FDM-01 Sound Level Meter

FNIRSI FDM01: Multifunctional 3-in-1 digital sound level metre, thermometer and hygrometer.. Are you looking for a reliable companion for accurate environmental measurements? The FNIRSI FDM01 is a compact, multifunctional device that combines a high-precision sound level meter, thermometer and hygrometer in a single unit. It is the ideal choice for both domestic use and for professionals in laboratories, research institutes, industrial facilities, or for monitoring indoor air quality and health and safety.. Thanks to its robust construction and excellent ergonomics, you’ll gain an instant overview of key environmental parameters.. Product specifications:. - The digital sound level meter, thermometer and hygrometer is a compact and accurate device that enables fast and reliable measurement of noise, temperature and relative humidity. - Ideal for professionals working in areas where air quality monitoring is important, such as laboratories, research institutes or industrial facilities. - Excellent readability: a large, 2.3” clearly legible digital display with a dynamic scale ensures comfortable data reading even in poor lighting conditions. - High durability: the robust ABS shell construction reliably protects the device from dust, moisture and accidental drops. - Measurement range: 30 dB–130 dB. - Complies with the IEC 651 Type 2 international standard. - Accuracy: ±1.5 dB. - Visual alarm. - Smart integration with mobile apps. Technical specifications:. - Model: FDM01. - Noise measurement range: 30 dB to 130 dB / measurement accuracy: ±1.5 dB. - Frequency range: 31.5 Hz–8.5 kHz. - display: 2.3” colour VA display with backlight and dynamic scale, 4 digits, resolution 0.1 dB, sampling frequency 2× per second. - FAST / SLOW modes: choice of response speed – FAST (125 ms) for rapid changes and noise peaks, SLOW (1 s) for more stable average values. - Accuracy: ±1.5 dB (based on a standard sound source, 94 dB at 1 kHz). - Statistical modes: the instrument can lock and display minimum, average and maximum values (MIN / AVG / MAX). - visual alarm: coloured indication and on-screen alerts (OVER / UNDER) if noise levels exceed the set safety limits. - Wind protection: the pack includes a foam windshield for the 6 mm condenser microphone, which eliminates unwanted noise caused by airflow. - Auto-off: saves battery life and switches the device off after 15 minutes of inactivity. - battery: 600 mAh / 3.7 V lithium battery. Package contents:. - FNIRSI FDM01 multifunctional device. - USB-C charging cable. - user manual

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