FNIRSI FDM-02 Sound Level Meter,...

FNIRSI FDM-02 Sound Level Meter

The FNIRSI FDM-02 is a precision sound level meter equipped with a color display and a high-quality condenser microphone, enabling accurate measurement of noise levels in various work environments. It supports A/C frequency weighting, FAST/SLOW modes, and a data logging function that generates graphs. Additionally, it allows you to monitor ambient temperature and humidity. All of this makes the device ideal for professional acoustic measurements, monitoring working conditions, and more.

FNIRSI FDM-02 Sound Level Meter aprašymas - Prekės nuotrauka

Precise noise measurement

The device uses a condenser microphone, which ensures high sensitivity and measurement stability. The FDM-02 model provides accurate real-time sound level readings, allowing for effective monitoring of noise levels in rooms, workplaces, or public spaces. The easy-to-read display presents current measurement values clearly, facilitating quick analysis of results. Additionally, the meter supports two frequency weighting modes—A and C—allowing you to adjust the measurement method to the type of noise being analyzed. You can also use the FAST and SLOW modes, which enable faster or more stable measurement sampling depending on operating conditions.

FNIRSI FDM-02 Sound Level Meter aprašymas - Prekės nuotrauka

Temperature and Humidity Measurement

The device not only allows you to check sound levels but also to monitor ambient temperature and humidity. This feature enhances the meter’s functionality and makes it easier to control environmental conditions while performing acoustic measurements.

FNIRSI FDM-02 Sound Level Meter aprašymas - Prekės nuotrauka

Color screen and user-friendly operation

The color display provides a clear image and allows for easy reading of parameters. Additionally, the ergonomic button layout allows you to quickly switch between operating modes and change settings, improving user comfort during both field work and indoor measurements. The FNIRSI FDM-02 also offers a data logging function and a Curve Recording mode, which allows you to visualize changes in sound levels in the form of graphs. This makes it easier to analyze noise fluctuations over a specific period and compare results without the need for manual note-taking.

FNIRSI FDM-02 Sound Level Meter aprašymas - Prekės nuotrauka

Included

Sound level meter
USB cable
Carrying case

Manufacturer	FNIRSI
Model	FDM-02
Display	2.0" color TFT screen
Result display	4-digit, resolution 0.1 dB
Frequency weighting characteristics	A and C
Available modes	FAST (approx. 125 ms), SLOW (approx. 1 s)
Frequency range	31.5 Hz – 8.5 kHz
Dynamic range / value update	FAST: 0.5 times per second SLOW: 1 time per second
Dynamic range	3.50 dB
Accuracy	±1.5 dB (standard sound source, 94 dB @ 1 kHz)
Measurement range	30 dB – 130 dB
Alarm log	30 entries, recording time and type of high and low thresholds
Brightness adjustment	From 5% to 100%, 5% adjustment step
Graph interface	Updated every 0.5 s
Overload indicator	Exceeding or falling below the measurement range
Threshold settings	Minimum: 0.0 dB Maximum: 130.0 dB
Supported languages	Chinese / English
Interface mode	Style switching (day / night)
Date and time settings	Year, month, day, hour
Hibernation settings	Adjustable sleep mode brightness and adjustable hibernation time
Auto-off	Yes, adjustable time from 1 to 60 minutes
Battery	Lithium 1500 mAh / 3.7 V
Battery indicator	Yes
Data hold	Yes
Power indicator	Yes
Noise level indicator	Yes
Dimensions	183 × 63 × 28 mm

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